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dbadf6
lin_form_endings_v1_677425708_3237
Let $a = 21$ and $b = 6$. Define $g = \gcd(a, b)$, and let $a' = \left\lfloor \frac{a}{g} \right\rfloor$ and $b' = \left\lfloor \frac{b}{g} \right\rfloor$. Let $$ S = a' \cdot 44 + b' \cdot 56 - a' \cdot b'. $$ Multiply $S$ by 5040, and let $T$ be the result. Compute the remainder when $T$ is divided by 58210.
8,890
graphs = [ Graph( let={ "a_coeff": Const(21), "b_coeff": Const(6), "A_val": Const(44), "B_val": Const(56), "g_step": GCD(a=Ref("a_coeff"), b=Ref("b_coeff")), "ap_node": Floor(Div(Ref("a_coeff"), Ref("g_step"))), "bp_node": F...
COMB
NT
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
lin_form_endings_v1
null
2
null
[ "LIN_FORM" ]
1
0.001
2026-02-08T05:33:23.414184Z
{ "verified": true, "answer": 8890, "timestamp": "2026-02-08T05:33:23.415015Z" }
9bb27a
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 170, "completion_tokens": 713 }, "timestamp": "2026-02-12T11:30:29.389Z", "answer": 8890 }, { ...
1
[ { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": ...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
386ae6
algebra_poly_eval_v1_865884756_573
Let $y$ be the number of positive integers $n$ such that $1 \leq n \leq 144$ and $9$ divides the $n$th Fibonacci number. Compute $3y^4 - 10y^3 + 4y^2 - 5y - 10$.
45,434
graphs = [ Graph( let={ "_n": Const(4), "y": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Const(144)), Divides(divisor=Const(9), dividend=Fibonacci(arg=Var(name='n')))))), "result": Sum(Mul(Const(3), Pow(Ref("y"), Ref("_...
ALG
NT
COMPUTE
sympy
COUNT_FIB_DIVISIBLE
[ "COUNT_FIB_DIVISIBLE" ]
66de3c
algebra_poly_eval_v1
null
5
0
[ "COUNT_FIB_DIVISIBLE" ]
1
0.003
2026-02-08T15:31:02.278932Z
{ "verified": true, "answer": 45434, "timestamp": "2026-02-08T15:31:02.282197Z" }
ca56c4
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 111, "completion_tokens": 1557 }, "timestamp": "2026-02-16T07:41:07.223Z", "answer": 45434 }, ...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "ok" }, { "lemma": "K17", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V3", "status": "no" }, { "lemma": "V5", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
16c9af
antilemma_v7_kummer_1520064083_2987
Let $ n = 380 $. Let $ x $ be the largest integer $ k $ such that $ 3^k $ divides $ \binom{n}{152} $. Compute $ x $.
4
graphs = [ Graph( let={ "_n": Const(380), "x": MaxKDivides(target=Binom(n=Ref("_n"), k=Const(152)), base=Const(3)), }, goal=Ref("x"), ) ]
NT
null
COMPUTE
sympy
COUNT_FIB_DIVISIBLE
[ "V7" ]
0672d4
antilemma_v7_kummer
null
6
0
[ "COUNT_FIB_DIVISIBLE", "V7" ]
2
0.012
2026-02-08T05:23:21.895056Z
{ "verified": true, "answer": 4, "timestamp": "2026-02-08T05:23:21.907084Z" }
041466
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 138, "completion_tokens": 506 }, "timestamp": "2026-02-18T16:00:35.173Z", "answer": 4 } ]
2
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V7", "status": "ok" }, { "lemma": "VAL_SUM_EQ", "st...
{ "lo": -10, "mid": -6.47, "hi": -2.95 }
1b0dcb
alg_poly4_sum_v1_1218484723_2111
Let $V = \left|\left\{ v : 4 \le v \le 5165,\ \exists\text{ integers } a, b \in [1,14] \text{ such that } 13b^2 + 29a^2 - 38ab = v \right\}\right|$. Find the remainder when \[ \sum_{\substack{a=1 \\ b=1}}^{155, V} \left( 97a^4 - 32a^3b + 24a^2b^2 - 8ab^3 + b^4 \right) \] is divided by $77506€.
12,974
graphs = [ Graph( let={ "_n": Const(24), "result": Mod(value=SumOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), Const(155)), Geq(Var("b"), Const(1)), Leq(Var("b"), CountOverSet(set=SolutionsSet(var...
ALG
null
COMPUTE
sympy
QF_PSD_DISTINCT
[ "QF_PSD_DISTINCT" ]
a8f9cb
alg_poly4_sum_v1
null
5
0
[ "QF_PSD_DISTINCT" ]
1
0.063
2026-02-25T03:50:16.609710Z
{ "verified": true, "answer": 12974, "timestamp": "2026-02-25T03:50:16.672383Z" }
fbd62f
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 252, "completion_tokens": 32768 }, "timestamp": "2026-03-29T03:07:00.452Z", "answer": null }, { ...
1
[ { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "QF_PSD_DISTINCT", "status": "ok" } ]
{ "lo": 4.43, "mid": 6.62, "hi": 9.7 }
717fc3
nt_count_divisors_in_range_v1_655260480_1287
Let $n_0 = 1089$. Let $S$ be the set of all ordered pairs $(x,y)$ of positive integers such that $xy = 176400$. Define $n$ to be the minimum value of $x + y$ over all pairs $(x,y) \in S$. Let $a = 1$. Let $T$ be the set of all ordered pairs $(x_1,y_1)$ of positive integers such that $x_1 y_1 = n_0$. Define $b$ to be th...
22
graphs = [ Graph( let={ "_n": Const(1089), "n": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Mul(Var("x"), Var("y")), Const(176400)))), expr=Sum(Var("x"), Var("y")))...
NT
null
COUNT
sympy
B3
[ "B3" ]
0cd20d
nt_count_divisors_in_range_v1
null
5
0
[ "B3" ]
1
0.005
2026-02-08T16:03:11.638199Z
{ "verified": true, "answer": 22, "timestamp": "2026-02-08T16:03:11.643206Z" }
9eabc0
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 215, "completion_tokens": 2455 }, "timestamp": "2026-02-16T20:26:46.577Z", "answer": 22 }, { ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "K18", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
d88233
modular_count_residue_v1_124444284_1646
Let $r$ be the number of positive integers $p$ for which there exists a positive integer $q$ such that $p < q$, $\gcd(p, q) = 1$, and $pq = 450$. Let $S$ be the set of all integers $n$ with $1 \leq n \leq 80089$ such that $n \equiv r \pmod{6}$. Compute $60025$ minus the number of elements in $S$.
46,677
graphs = [ Graph( let={ "upper": Const(80089), "m": Const(6), "r": CountOverSet(set=SolutionsSet(var=Var("p"), condition=And(IsPositive(arg=Var(name='p')), Exists(var=Var(name='q'), condition=And(Eq(left=Mul(Var(name='p'), Var(name='q')), right=Const(value=450)), Eq(left=...
NT
null
COUNT
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS" ]
2bb3aa
modular_count_residue_v1
null
5
0
[ "COPRIME_PAIRS" ]
1
4.597
2026-02-08T04:03:59.127013Z
{ "verified": true, "answer": 46677, "timestamp": "2026-02-08T04:04:03.723777Z" }
2759c3
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 214, "completion_tokens": 1918 }, "timestamp": "2026-02-10T15:21:21.596Z", "answer": 46677 }, { ...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V7", "...
{ "lo": -7.01, "mid": -4.68, "hi": -2.15 }
db9edf
comb_count_derangements_v1_655260480_905
Let $n$ be the largest prime number such that $2 \le n \le 8$. Define $r$ to be the number of derangements of $n$ elements. Let $Q$ be the remainder when $44121 \cdot r$ is divided by $76765$. Find the value of $Q$.
45,609
graphs = [ Graph( let={ "_n": Const(44121), "n": MaxOverSet(set=SolutionsSet(var=Var("n1"), condition=And(Geq(Var("n1"), Const(2)), Leq(Var("n1"), Const(8)), IsPrime(Var("n1"))))), "result": Subfactorial(arg=Ref(name='n')), "Q": Mod(value=Mul(Ref("_n"), Ref("r...
NT
COMB
COUNT
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW" ]
dc3ad3
comb_count_derangements_v1
null
4
0
[ "MAX_PRIME_BELOW" ]
1
0.002
2026-02-08T15:44:47.164790Z
{ "verified": true, "answer": 45609, "timestamp": "2026-02-08T15:44:47.166660Z" }
e5ca51
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 114, "completion_tokens": 1672 }, "timestamp": "2026-02-16T12:53:21.858Z", "answer": 45609 }, ...
1
[ { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "MO...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
dcb4bf
algebra_vieta_sum_v1_655260480_2400
Let $m = 49$ and let $n$ be the largest prime number less than or equal to $135$. Consider the cubic equation $x^3 - 20x^2 + n x - 280 = 0$. Let $r$ be the product of all integer roots of this equation. Define $c = \sum_{k=1}^{49} \phi(k) \left\lfloor \frac{m}{k} \right\rfloor$, where $\phi$ denotes Euler's totient fun...
945
graphs = [ Graph( let={ "_m": Const(49), "_n": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Const(135)), IsPrime(Var("n"))))), "result": ProductOverSet(set=SolutionsSet(var=Var(name='x'), condition=Eq(left=Sum(Pow(base=Var...
NT
null
COMPUTE
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW/K2", "K2" ]
daab4c
algebra_vieta_sum_v1
negation_mod
6
0
[ "K2", "MAX_PRIME_BELOW" ]
2
0.015
2026-02-08T16:42:35.663920Z
{ "verified": true, "answer": 945, "timestamp": "2026-02-08T16:42:35.679185Z" }
52331b
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 165, "completion_tokens": 1198 }, "timestamp": "2026-02-17T09:34:33.294Z", "answer": 945 }, { ...
1
[ { "lemma": "DS2", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma"...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
e69911
comb_binomial_compute_v1_238844314_618
Let $n = 14$. Let $k$ be the smallest integer greater than or equal to 2 that divides 77. Compute $\binom{n}{k}$.
3,432
graphs = [ Graph( let={ "n": Const(14), "k": MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(2)), Divides(divisor=Var("d"), dividend=Const(77))))), "result": Binom(n=Ref("n"), k=Ref("k")), }, goal=Ref("result"), ) ]
NT
null
COMPUTE
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR" ]
bc3776
comb_binomial_compute_v1
null
3
0
[ "MIN_PRIME_FACTOR" ]
1
0.002
2026-02-08T13:25:52.484882Z
{ "verified": true, "answer": 3432, "timestamp": "2026-02-08T13:25:52.486514Z" }
2d6cc7
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 81, "completion_tokens": 990 }, "timestamp": "2026-02-15T15:21:25.121Z", "answer": 3432 }, { ...
1
[ { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "V3", "status": "no" }, { "lemma": "V5", "status": "no" } ]
{ "lo": -8.26, "mid": -5.01, "hi": -1.76 }
3cbf1a
comb_factorial_compute_v1_655260480_2540
Let $n_2 = \binom{11}{11} - 1$. Define $h = \sum_{k=0}^{n_2} (-1)^k \binom{n_2}{k}$. Let $n_1 = 0$ and define $e = \sum_{k_1=0}^{n_1} (-1)^{k_1} \binom{n_1}{k_1}$. Let $n = 8 \cdot e$. Compute $n!$.
40,320
graphs = [ Graph( let={ "n2": Sub(Binom(n=Const(11), k=Const(11)), Const(1)), "h": Summation(var="k", start=Const(0), end=Ref("n2"), expr=Mul(Pow(Const(-1), Var("k")), Binom(n=Ref("n2"), k=Var("k")))), "n1": Const(0), "e": Summation(var="k1", start=Const(0), e...
COMB
null
COMPUTE
sympy
BINOMIAL_ALTERNATING
[ "BINOMIAL_ALTERNATING", "ZERO_BINOM_N" ]
ba7829
comb_factorial_compute_v1
null
2
2
[ "BINOMIAL_ALTERNATING", "ZERO_BINOM_N" ]
2
0.003
2026-02-08T16:49:38.661539Z
{ "verified": true, "answer": 40320, "timestamp": "2026-02-08T16:49:38.664391Z" }
209805
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 150, "completion_tokens": 407 }, "timestamp": "2026-02-24T21:59:02.525Z", "answer": 40320 }, {...
2
[ { "lemma": "BINOMIAL_ALTERNATING", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "...
{ "lo": -10, "mid": -7.42, "hi": -4.85 }
81b311_n
comb_count_partitions_v1_601307018_2654
A museum has a collection of identical tiles, and they plan to arrange them into rows such that each row contains at least as many tiles as the row below it. The total number of tiles is $n = 3^0 + 3^1 + 3^2 + 3^3$. The curator counts $M$, the number of distinct non-increasing arrangements (partitions) of these tiles. ...
24,542
COMB
null
COUNT
sympy
POLY_ORBIT_LEGENDRE
[ "SUM_GEOM" ]
04214c
comb_count_partitions_v1
null
4
null
[ "POLY_ORBIT_LEGENDRE", "SUM_GEOM" ]
2
0.02
2026-03-10T03:19:11.085467Z
null
a3e5ca
81b311
narrative
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 210, "completion_tokens": 32768 }, "timestamp": "2026-03-29T16:32:28.603Z", "answer": null }, { ...
1
[ { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "SUM_GEOM", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status": "no" ...
{ "lo": 1.7, "mid": 5.03, "hi": 8.38 }
145322
nt_count_gcd_equals_v1_1520064083_4435
Let $S$ be the set of positive integers $n$ such that $1 \leq n \leq 13689$ and $\gcd(n, 341) = 11$. Let $T$ be the set of ordered pairs $(x, y)$ of positive integers such that $xy = 7744$. Let $s_{\min}$ be the minimum value of $x + y$ over all pairs $(x, y) \in T$. Let $P$ be the set of ordered pairs $(x, y)$ of posi...
6,540
graphs = [ Graph( let={ "upper": Const(13689), "k": Const(341), "d": Const(11), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("upper")), Eq(GCD(a=Var("n"), b=Ref("k")), Ref("d"))))), ...
NT
null
COUNT
sympy
B3
[ "B3/B1" ]
6cdf3d
nt_count_gcd_equals_v1
negation_mod
6
0
[ "B1", "B3" ]
2
4.721
2026-02-08T06:16:08.395424Z
{ "verified": true, "answer": 6540, "timestamp": "2026-02-08T06:16:13.116084Z" }
6f43f8
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 201, "completion_tokens": 1344 }, "timestamp": "2026-02-12T22:08:48.027Z", "answer": 6540 }, {...
1
[ { "lemma": "B1", "status": "ok_later" }, { "lemma": "B3", "status": "ok" }, { "lemma": "DS2", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "V8_SU...
{ "lo": -5.55, "mid": -3.01, "hi": 0.32 }
2c8b23
modular_min_linear_v1_1742523217_1097
Let $a$ be the number of integers $t$ with $33 \leq t \leq 684$ such that there exist integers $a$ and $b$ with $1 \leq a \leq 8$, $1 \leq b \leq 43$, and $t = 21a + 12b$. Let $b$ be the minimum value of $x + y$ over all ordered pairs of positive integers $(x, y)$ such that $xy = 2917264$. Let $m = 20109$. Compute the ...
17,713
graphs = [ Graph( let={ "a": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=8)), Geq(left=Var(name='b'), right=Const(value=1...
NT
null
EXTREMUM
sympy
LIN_FORM
[ "LIN_FORM", "B3" ]
688dbe
modular_min_linear_v1
null
7
0
[ "B3", "LIN_FORM" ]
2
0.777
2026-02-08T03:25:20.218983Z
{ "verified": true, "answer": 17713, "timestamp": "2026-02-08T03:25:20.995811Z" }
5f522e
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 263, "completion_tokens": 7671 }, "timestamp": "2026-02-10T03:20:40.324Z", "answer": 17713 }, { "...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "le...
{ "lo": 1.71, "mid": 5.04, "hi": 8.38 }
57dddc
diophantine_fbi2_min_v1_1978505735_2486
Let $k = 96$. Let $d$ be the smallest integer such that $4 \leq d \leq 106$, $d$ divides $k$, and $\frac{k}{d} \geq 2$. Let $r$ be this value of $d$. Compute $$ \sum_{n=1}^{r} d(n), $$where $d(n)$ denotes the number of positive divisors of $n$.
8
graphs = [ Graph( let={ "k": Const(96), "a": Const(3), "b": Const(1), "upper": Const(106), "result": MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(4)), Leq(Var("d"), Ref("upper")), Divides(divisor=Var("d"), dividend=Re...
NT
null
EXTREMUM
sympy
LIN_FORM
[ "SUM_ARITHMETIC/MIN_PRIME_FACTOR", "MOBIUS_COPRIME" ]
a20823
diophantine_fbi2_min_v1
null
3
0
[ "LIN_FORM", "MIN_PRIME_FACTOR", "MOBIUS_COPRIME", "SUM_ARITHMETIC" ]
4
0.113
2026-02-08T16:54:58.550613Z
{ "verified": true, "answer": 8, "timestamp": "2026-02-08T16:54:58.663653Z" }
28d165
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 133, "completion_tokens": 856 }, "timestamp": "2026-02-17T15:53:39.092Z", "answer": 8 }, { ...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok_later" }, { "lemma": "MOBIUS_COPRIME", "status": "ok" }, { "lemma": "MOD_SU...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
5f5439
modular_count_residue_v1_1742523217_830
Let $m$ be the number of integers $t$ such that $9 \le t \le 38$ and there exist positive integers $a$ and $b$ with $1 \le a \le 12$, $1 \le b \le 2$, and $t = 2a + 7b$. Let $U = 84681$. Let $R$ be the number of positive integers $n$ such that $1 \le n \le U$ and $n \equiv 0 \pmod{m}$. Let $c = 37877$. Compute the rema...
36,258
graphs = [ Graph( let={ "upper": Const(84681), "m": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=12)), Geq(lef...
NT
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
modular_count_residue_v1
null
6
0
[ "LIN_FORM" ]
1
7.283
2026-02-08T03:17:16.438391Z
{ "verified": true, "answer": 36258, "timestamp": "2026-02-08T03:17:23.721186Z" }
554611
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 256, "completion_tokens": 1963 }, "timestamp": "2026-02-09T07:39:47.236Z", "answer": 36258 }, { ...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "V8", "status": "no" } ]
{ "lo": -3.42, "mid": 1.86, "hi": 7.55 }
5d87d9
nt_count_gcd_equals_v1_1520064083_1664
Let $N = 9409$ and $k = 210$. Define $d = 15$. Let $r$ be the number of positive integers $n \le N$ such that $\gcd(n, k) = d$. Let $s$ be the minimum value of $x + y$ over all ordered pairs $(x, y)$ of positive integers such that $xy = 49$. Compute $r + 2^{r \bmod s} \bmod 64576$.
277
graphs = [ Graph( let={ "upper": Const(9409), "k": Const(210), "d": Const(15), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("upper")), Eq(GCD(a=Var("n"), b=Ref("k")), Ref("d"))))), "...
NT
null
COUNT
sympy
B3
[ "B3" ]
385411
nt_count_gcd_equals_v1
mod_exp
5
0
[ "B3" ]
1
1.386
2026-02-08T04:12:11.891425Z
{ "verified": true, "answer": 277, "timestamp": "2026-02-08T04:12:13.277494Z" }
00fb65
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 215, "completion_tokens": 1642 }, "timestamp": "2026-02-10T15:48:31.821Z", "answer": 277 }, { "i...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "V1", "status": "no" } ]
{ "lo": -3.42, "mid": 1.86, "hi": 7.55 }
bcf707
modular_modexp_compute_v1_1520064083_2565
Let $a = 23$. Let $e$ be the sum of all real solutions $x$ to the equation $x^2 - 3844x + 72675 = 0$. Let $m = 36481$. Compute $a^e \bmod m$.
34,669
graphs = [ Graph( let={ "_n": Const(2), "a": Const(23), "e": SumOverSet(set=SolutionsSet(var=Var("x"), condition=Eq(Sum(Pow(Var("x"), Ref("_n")), Mul(Const(-3844), Var("x")), Const(72675)), Const(0)))), "m": Const(36481), "result": ModExp(base=Ref(...
NT
null
COMPUTE
sympy
VIETA_SUM
[ "VIETA_SUM" ]
b33a7a
modular_modexp_compute_v1
null
6
0
[ "VIETA_SUM" ]
1
0.001
2026-02-08T04:51:59.268908Z
{ "verified": true, "answer": 34669, "timestamp": "2026-02-08T04:51:59.270365Z" }
53f604
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 169, "completion_tokens": 6831 }, "timestamp": "2026-02-11T22:23:40.445Z", "answer": 34669 }, { ...
1
[ { "lemma": "K18", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "V8_SUM", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" }, { "lemma": "VIETA_SUM", "status": "ok" } ]
{ "lo": -3.42, "mid": 1.86, "hi": 7.55 }
48ee26
antilemma_k3_v1_48377204_686
Let $n = 60732$. Compute the sum of $\phi(d)$ over all positive divisors $d$ of $n$, where $\phi$ denotes Euler's totient function.
60,732
graphs = [ Graph( let={ "x": SumOverDivisors(n=Const(value=60732), var='d', expr=EulerPhi(n=Var(name='d'))), }, goal=Ref("x"), ) ]
NT
COMB
COMPUTE
sympy
K3
[ "K3" ]
54c41e
antilemma_k3_v1
null
3
0
[ "K3" ]
1
0.001
2026-02-08T15:39:04.225692Z
{ "verified": true, "answer": 60732, "timestamp": "2026-02-08T15:39:04.226499Z" }
c05565
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 84, "completion_tokens": 437 }, "timestamp": "2026-02-16T10:40:31.161Z", "answer": 60732 }, { ...
1
[ { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K3", "status": "ok" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MOD_ADD"...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
49eced
antilemma_cartesian_v1_865884756_6927
Let $x$ be the number of ordered pairs $(a, b)$ such that $1 \leq a \leq 16$ and $1 \leq b \leq 23$. Compute the remainder when $34329 \cdot x$ is divided by $52115$.
21,242
graphs = [ Graph( let={ "x": CountOverSet(set=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(16)), right=IntegerRange(start=Const(1), end=Const(23)))), "Q": Mod(value=Mul(Const(34329), Ref("x")), modulus=Const(52115)), }, goal=Ref("Q"), ) ]
COMB
GEOM
COMPUTE
sympy
COUNT_CARTESIAN
[ "COUNT_CARTESIAN" ]
409d7d
antilemma_cartesian_v1
null
2
0
[ "COUNT_CARTESIAN" ]
1
0.001
2026-02-08T19:27:37.333454Z
{ "verified": true, "answer": 21242, "timestamp": "2026-02-08T19:27:37.334170Z" }
921d6a
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 103, "completion_tokens": 897 }, "timestamp": "2026-02-18T22:40:31.834Z", "answer": 21242 }, {...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "V8_SU...
{ "lo": -3.12, "mid": 1.47, "hi": 6.57 }
a96987
nt_count_intersection_v1_784195855_6683
Let $N = 100000$. Define $a = 3$. Let $b$ be the number of positive integers $n \leq 240$ such that $12$ divides the $n$-th Fibonacci number. Let $r$ be the number of positive integers $n \leq N$ such that $3$ divides $n$ and $\gcd(n, b) = 1$. Compute the remainder when $58921 \cdot r$ is divided by $68693$. Find the v...
10,773
graphs = [ Graph( let={ "N": Const(100000), "a": Const(3), "b": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Const(240)), Divides(divisor=Const(12), dividend=Fibonacci(arg=Var(name='n')))))), "result": CountO...
NT
null
COUNT
sympy
COUNT_FIB_DIVISIBLE
[ "COUNT_FIB_DIVISIBLE" ]
66de3c
nt_count_intersection_v1
null
5
0
[ "COUNT_FIB_DIVISIBLE" ]
1
4.969
2026-02-08T08:47:01.715460Z
{ "verified": true, "answer": 10773, "timestamp": "2026-02-08T08:47:06.684321Z" }
3ec022
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 154, "completion_tokens": 2586 }, "timestamp": "2026-02-13T21:54:21.267Z", "answer": 10773 }, ...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "ok" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V8_SUM", ...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
c327b7
antilemma_coprime_grid_v1_798873815_12
Let $\phi$ denote Euler's totient function. Compute the number of ordered pairs $(i, j)$ with $1 \le i \le 38$ and $1 \le j \le 143$ such that $\gcd(i, j) = \phi(\phi(1))$.
3,363
graphs = [ Graph( let={ "x": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=Eq(GCD(a=Var("i"), b=Var("j")), EulerPhi(n=EulerPhi(n=Const(1)))), domain=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(38)), right=IntegerRange(start=Const(1), end=Const...
NT
COMB
COMPUTE
sympy
COUNT_COPRIME_GRID
[ "COUNT_COPRIME_GRID", "ONE_PHI_1" ]
3d404c
antilemma_coprime_grid_v1
null
4
0
[ "COUNT_COPRIME_GRID", "ONE_PHI_1" ]
2
0.001
2026-02-08T02:23:40.231464Z
{ "verified": true, "answer": 3363, "timestamp": "2026-02-08T02:23:40.232364Z" }
060ff2
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 176, "completion_tokens": 4689 }, "timestamp": "2026-02-08T18:28:59.615Z", "answer": 3371 }, { ...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "ok" }, { "lemma": "K5", "status": "no" }, { "lemma": "ONE_PHI_1", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V3", "status": "no" }, { "lemma": "V5", "status": "no" ...
{ "lo": -1.89, "mid": 1.79, "hi": 4.93 }
3e14dc
nt_sum_gcd_range_mod_v1_168721529_1845
Let $N = 1283$. Let $k$ be the number of positive integers $j$ such that $1 \le j \le 336$ and $j^5 \le 4282490290176$. Define $$ \text{sum} = \sum_{n=1}^{N} \gcd(n, k). $$ Let $M = 11789$. Compute the remainder when $44121$ times the value of $\text{sum}$ modulo $M$ is divided by $62429$.
41,925
graphs = [ Graph( let={ "N": Const(1283), "k": CountOverSet(set=SolutionsSet(var=Var("j"), condition=And(Geq(Var("j"), Const(1)), Leq(Var("j"), Const(336)), Leq(Pow(Var("j"), Const(5)), Const(4282490290176))), domain='positive_integers')), "M": Const(11789), "...
NT
null
COMPUTE
sympy
C3
[ "C3" ]
8a214c
nt_sum_gcd_range_mod_v1
null
5
0
[ "C3" ]
1
0.136
2026-02-08T13:57:16.667067Z
{ "verified": true, "answer": 41925, "timestamp": "2026-02-08T13:57:16.803042Z" }
5e4b39
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 221, "completion_tokens": 4691 }, "timestamp": "2026-02-11T08:05:53.766Z", "answer": 41925 }, { ...
1
[ { "lemma": "C3", "status": "ok" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -5.48, "mid": 0.74, "hi": 7.52 }
d6f7e8
comb_count_partitions_v1_1742523217_2113
Let $\mathcal{S}$ be the set of all real numbers $x$ such that $x^2 - 9x - 1386 = 0$. Let $\_n$ be the sum of all elements in $\mathcal{S}$. Define $n = \sum_{k=1}^{\_n} k$. Let $\text{result}$ be the number of integer partitions of $n$. Determine the value of $\text{result}$.
89,134
graphs = [ Graph( let={ "_m": Const(2), "_n": SumOverSet(set=SolutionsSet(var=Var("x"), condition=Eq(Sum(Pow(Var("x"), Ref("_m")), Mul(Const(-9), Var("x")), Const(-1386)), Const(0)))), "n": Summation(var="k", start=Const(1), end=Ref("_n"), expr=Var("k")), "res...
COMB
null
COUNT
sympy
VIETA_SUM
[ "VIETA_SUM/SUM_ARITHMETIC" ]
42ea97
comb_count_partitions_v1
null
6
0
[ "SUM_ARITHMETIC", "VIETA_SUM" ]
2
0.002
2026-02-08T04:28:38.457991Z
{ "verified": true, "answer": 89134, "timestamp": "2026-02-08T04:28:38.460301Z" }
3dd8e6
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 207, "completion_tokens": 828 }, "timestamp": "2026-02-24T00:44:57.852Z", "answer": 89134 }, { "i...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "SUM_ARITHMETIC", "status": "ok_later" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8_SUM", "stat...
{ "lo": -2.46, "mid": 0.47, "hi": 3.59 }
ea4ef9
comb_count_derangements_v1_238844314_982
Let $n = 7$. Let $r = !n$, the subfactorial of $n$. Let $t$ be the number of positive integers $p$ for which there exists a positive integer $q > p$ such that $pq = 108$ and $\gcd(p, q) = 1$. For each digit $d_i$ of $|r|$ (in base 10, starting from the units place as position 0), compute $d_i \cdot (i+1)^t$. Sum these ...
49,396
graphs = [ Graph( let={ "n": Const(7), "result": Subfactorial(arg=Ref(name='n')), "_c": Const(49284), "Q": Sum(Summation(var="i", start=Const(0), end=Sub(NumDigits(x=Abs(arg=Ref(name='result')), base=None), Const(1)), expr=Mul(Digit(x=Abs(arg=Ref(name='result'...
NT
COMB
COUNT
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS" ]
a9a663
comb_count_derangements_v1
digits_weighted_mod
6
0
[ "COPRIME_PAIRS" ]
1
0.004
2026-02-08T13:50:33.043299Z
{ "verified": true, "answer": 49396, "timestamp": "2026-02-08T13:50:33.047687Z" }
51883e
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 180, "completion_tokens": 1774 }, "timestamp": "2026-02-15T21:17:51.034Z", "answer": 49396 }, ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "K14", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" } ]
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
c2857d
nt_count_divisible_and_v1_1520064083_2641
Let $g = \gcd(11, 13)$. Define $m = \sum_{d \mid g} \mu(d)$, where $\mu$ is the M\"obius function. Determine the number of positive integers $n$ such that $m \leq n \leq 112830$, $n$ is divisible by 10, and $n$ is divisible by 15.
3,761
graphs = [ Graph( let={ "upper": Const(112830), "d1": Const(10), "d2": Const(15), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), SumOverDivisors(n=GCD(a=Const(value=11), b=Const(value=13)), var='d', expr=MoebiusMu(n=Var(name=...
NT
null
COUNT
sympy
MOBIUS_COPRIME
[ "MOBIUS_COPRIME" ]
ac54ac
nt_count_divisible_and_v1
null
4
0
[ "MOBIUS_COPRIME" ]
1
12.826
2026-02-08T04:53:44.174709Z
{ "verified": true, "answer": 3761, "timestamp": "2026-02-08T04:53:57.000341Z" }
9456f2
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 188, "completion_tokens": 400 }, "timestamp": "2026-02-18T14:35:19.370Z", "answer": 3761 } ]
2
[ { "lemma": "K14", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MOBIUS_COPRIME", "status": "ok" }, { "lemma": "MOD_ADD", "status": "no" } ]
{ "lo": -10, "mid": -6.47, "hi": -2.95 }
45e94b
nt_count_gcd_equals_v1_260342960_91
Let $n_1 = 2$, and define $m = \lambda(n_1) + 1$, where $\lambda(n)$ is the Liouville function. Let $n = 1 + m$ and $w = \Omega(n)$, the number of prime factors of $n$ counted with multiplicity. Let $\text{upper}$ be the number of nonnegative integers $j$ such that $0 \leq j \leq 24511$ and $\binom{24511}{j} \equiv 1 \...
2,704
graphs = [ Graph( let={ "_n": Const(2), "n1": Const(2), "m": Sum(LiouvilleLambda(n=Ref(name='n1')), Const(1)), "n": Sum(Const(1), Ref("m")), "w": BigOmega(n=Ref(name='n')), "upper": CountOverSet(set=SolutionsSet(var=Var("j"), condition=...
NT
null
COUNT
sympy
LIOUVILLE_MINUS_ONE
[ "LIOUVILLE_MINUS_ONE", "BIG_OMEGA_ZERO", "V8" ]
373f95
nt_count_gcd_equals_v1
null
6
2
[ "BIG_OMEGA_ZERO", "LIOUVILLE_MINUS_ONE", "V8" ]
3
0.643
2026-02-08T11:13:45.159109Z
{ "verified": true, "answer": 2704, "timestamp": "2026-02-08T11:13:45.801761Z" }
81400f
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 287, "completion_tokens": 2943 }, "timestamp": "2026-02-08T20:28:21.204Z", "answer": 2704 }, { "i...
1
[ { "lemma": "BIG_OMEGA_ZERO", "status": "ok" }, { "lemma": "DS2", "status": "no" }, { "lemma": "LIOUVILLE_MINUS_ONE", "status": "ok" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "V3", "statu...
{ "lo": -2.08, "mid": 1.77, "hi": 4.93 }
4ecb38
algebra_quadratic_discriminant_v1_124444284_8529
Let $a = -9$, $b = 10$, and $c = 5$. Compute $b^2 - 4ac$.
280
graphs = [ Graph( let={ "a": Const(-9), "b": Const(10), "c": Const(5), "result": Sub(Pow(Ref("b"), Const(2)), Mul(Const(4), Ref("a"), Ref("c"))), }, goal=Ref("result"), ) ]
NT
null
COMPUTE
sympy
COPRIME_PAIRS
[ "LIN_FORM" ]
7b2633
algebra_quadratic_discriminant_v1
null
2
0
[ "COPRIME_PAIRS", "LIN_FORM" ]
2
0.021
2026-02-08T09:45:22.355545Z
{ "verified": true, "answer": 280, "timestamp": "2026-02-08T09:45:22.376625Z" }
14a708
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 86, "completion_tokens": 177 }, "timestamp": "2026-02-15T20:48:39.744Z", "answer": 280 }, { "id": 11, ...
2
[ { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "V5", "status": "no" } ]
{ "lo": -9.12, "mid": -6.02, "hi": -3.62 }
759d07
nt_count_coprime_v1_898971024_2932
Let $k = 2$ and let $\text{result}$ be the number of positive integers $n$ with $1 \leq n \leq 58081$ such that $\gcd(n, k) = 1$. Let $A$ be the set of positive integers $p$ for which there exists a positive integer $q$ such that $pq = 12$, $\gcd(p, q) = 1$, and $p < q$. Let $a = |A|$. Define $Q = \text{result} + (a^{\...
29,043
graphs = [ Graph( let={ "upper": Const(58081), "k": Const(2), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("upper")), Eq(GCD(a=Var("n"), b=Ref("k")), Const(1))))), "Q": Sum(Ref("result"), Mod(va...
NT
null
COUNT
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS" ]
64a51e
nt_count_coprime_v1
mod_exp
5
0
[ "COPRIME_PAIRS" ]
1
6.12
2026-02-08T17:04:32.042774Z
{ "verified": true, "answer": 29043, "timestamp": "2026-02-08T17:04:38.162896Z" }
159875
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 181, "completion_tokens": 1019 }, "timestamp": "2026-02-17T18:41:54.283Z", "answer": 29043 }, ...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "K16", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status":...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
45af9a
algebra_quadratic_discriminant_v1_1742523217_1064
Let $S$ be the set of all ordered pairs $(x,y)$ of positive integers such that $x + y = 4$. Let $m$ be the maximum value of $xy$ over all such pairs. Compute $4^2 - 2 \cdot m \cdot 2$.
0
graphs = [ Graph( let={ "a": Const(2), "b": Const(4), "c": Const(2), "result": Sub(Pow(Ref("b"), Const(2)), Mul(MaxOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var...
NT
null
COMPUTE
sympy
MAX_PRIME_BELOW
[ "B1" ]
5b950e
algebra_quadratic_discriminant_v1
null
2
0
[ "B1", "MAX_PRIME_BELOW" ]
2
0.014
2026-02-08T03:24:03.670229Z
{ "verified": true, "answer": 0, "timestamp": "2026-02-08T03:24:03.684659Z" }
cc463f
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 173, "completion_tokens": 423 }, "timestamp": "2026-02-10T02:47:22.715Z", "answer": 0 }, { "id": ...
2
[ { "lemma": "B1", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "V5", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -10, "mid": -7.73, "hi": -5.46 }
e43a97_l
nt_min_coprime_above_v1_1116507919_68
Let $n$ be the minimum value of $x + y$ over all ordered pairs $(x, y)$ of positive integers such that $xy = 93025$. Let $U$ be the minimum value of $x + y$ over all ordered pairs $(x, y)$ of positive integers such that $xy = 1371241$. Let $m$ be the number of ordered pairs $(x_1, x_2)$ of positive odd integers such ...
2,029
NT
null
EXTREMUM
sympy
B3
[ "B3/COMB1" ]
e26f7e
nt_min_coprime_above_v1
null
7
0
[ "B3", "COMB1" ]
2
0.066
2026-02-08T02:24:13.363621Z
{ "verified": false, "answer": 2028, "timestamp": "2026-02-08T02:24:13.430105Z" }
ea4990
e43a97
legacy_text
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 259, "completion_tokens": 6643 }, "timestamp": "2026-02-08T18:59:46.819Z", "answer": 2028 }, { "i...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COMB1", "status": "ok_later" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LTE_SUM", "status": "no"...
{ "lo": -1.86, "mid": 0.05, "hi": 1.73 }
da5aae
comb_count_partitions_v1_124444284_10099
Let $n$ be the largest integer $k$ such that $2^k \leq 7397537483903$. Compute the number of unordered ways to write $n$ as a sum of positive integers, disregarding order.
53,174
graphs = [ Graph( let={ "_n": Const(2), "n": MaxOverSet(set=SolutionsSet(var=Var("k"), condition=Leq(Pow(Ref("_n"), Var("k")), Const(7397537483903)))), "result": Partition(arg=Ref(name='n')), }, goal=Ref("result"), ) ]
COMB
null
COUNT
sympy
MAX_VAL
[ "MAX_VAL" ]
1da621
comb_count_partitions_v1
null
4
0
[ "MAX_VAL" ]
1
0.001
2026-02-08T12:49:16.968114Z
{ "verified": true, "answer": 53174, "timestamp": "2026-02-08T12:49:16.968984Z" }
50a6d1
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 159, "completion_tokens": 833 }, "timestamp": "2026-02-24T16:23:26.313Z", "answer": 53174 }, { "i...
1
[ { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "K16", "status": "same_pattern_wrong" }, { "lemma": "K17", "status": "no" }, { "lemma": "LTE_DI...
{ "lo": -3.84, "mid": -1.67, "hi": 1.32 }
dd9f7a
comb_bell_compute_v1_124444284_2305
Let $n$ be the number of positive integers $p$ for which there exists a positive integer $q$ such that $p \cdot q = 308700$, $\gcd(p, q) = 1$, and $p < q$. Compute the Bell number $B_n$.
4,140
graphs = [ Graph( let={ "n": CountOverSet(set=SolutionsSet(var=Var("p"), condition=And(IsPositive(arg=Var(name='p')), Exists(var=Var(name='q'), condition=And(Eq(left=Mul(Var(name='p'), Var(name='q')), right=Const(value=308700)), Eq(left=GCD(a=Var(name='p'), b=Var(name='q')), right=Const(value=1)...
NT
COMB
COMPUTE
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS" ]
2bb3aa
comb_bell_compute_v1
null
6
0
[ "COPRIME_PAIRS" ]
1
0.001
2026-02-08T04:35:37.027577Z
{ "verified": true, "answer": 4140, "timestamp": "2026-02-08T04:35:37.028665Z" }
260172
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 171, "completion_tokens": 1084 }, "timestamp": "2026-02-10T17:15:11.283Z", "answer": 4140 }, { "...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "V5", "status": "no" ...
{ "lo": -3.49, "mid": 1.84, "hi": 7.55 }
adf1bf
sequence_lucas_compute_v1_1526740231_53
Let $n$ be the number of ordered pairs of positive integers $(i, j)$ such that $i + j = 23$ and $1 \leq i, j \leq 23$. Compute the $n$-th Lucas number.
39,603
graphs = [ Graph( let={ "_n": Const(23), "n": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=Eq(Sum(Var("i"), Var("j")), Ref("_n")), domain=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(23)), right=IntegerRange(start=Const(1), end=Con...
NT
null
COMPUTE
sympy
COUNT_SUM_EQUALS
[ "COUNT_SUM_EQUALS" ]
75ab0f
sequence_lucas_compute_v1
null
3
0
[ "COUNT_SUM_EQUALS" ]
1
0.011
2026-02-08T11:20:03.625476Z
{ "verified": true, "answer": 39603, "timestamp": "2026-02-08T11:20:03.636420Z" }
d304f6
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 97, "completion_tokens": 778 }, "timestamp": "2026-02-14T11:56:08.459Z", "answer": 39603 }, { ...
1
[ { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "K15", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MOD_SUB", "...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
ca57ce
sequence_count_fib_divisible_v1_2051736721_4453
Let $S$ be the set of all positive integers $n$ such that $1 \leq n \leq 77$ and $n$ is divisible by $11$. Let $U$ be the sum of all elements in $S$. Compute the number of positive integers $n_1$ with $1 \leq n_1 \leq U$ such that the $n_1$-th Fibonacci number is divisible by $12$. Then compute the remainder when $4412...
8,895
graphs = [ Graph( let={ "_n": Const(11), "upper": SumOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Const(77)), Eq(Mod(value=Var("n"), modulus=Ref("_n")), Const(0))))), "d": Const(12), "result": CountOverSet(set=Sol...
NT
null
COUNT
sympy
SUM_DIVISIBLE
[ "SUM_DIVISIBLE" ]
02dbe3
sequence_count_fib_divisible_v1
null
5
0
[ "SUM_DIVISIBLE" ]
1
0.021
2026-02-08T17:59:40.755542Z
{ "verified": true, "answer": 8895, "timestamp": "2026-02-08T17:59:40.776226Z" }
bcb5f4
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 156, "completion_tokens": 1348 }, "timestamp": "2026-02-18T11:31:42.995Z", "answer": 8895 }, {...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "SUM_DIVISIBLE", "status": "ok" }, { "lemma": "V8_SUM", "s...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
1d1163
antilemma_sum_factor_cartesian_v1_677425708_2939
Let $S$ be the set of all ordered pairs $(i,j)$ of integers with $1 \leq i \leq 6$ and $1 \leq j \leq 5$. Define $x$ to be the sum of $i \cdot j$ over all pairs $(i,j)$ in $S$. Let $Q = \sum_{n = \varphi(2)}^{|x|} \tau(n)$, where $\varphi$ is Euler's totient function and $\tau(n)$ is the number of positive divisors of ...
1,867
graphs = [ Graph( let={ "x": SumOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=Const(1), domain=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(6)), right=IntegerRange(start=Const(1), end=Const(5)))), expr=Mul(Var("i"), Var("j")))), ...
NT
null
COMPUTE
sympy
MIN_PRIME_FACTOR
[ "SUM_FACTOR_CARTESIAN", "ONE_PHI_2" ]
09bd3b
antilemma_sum_factor_cartesian_v1
null
3
0
[ "MIN_PRIME_FACTOR", "ONE_PHI_2", "SUM_FACTOR_CARTESIAN" ]
3
0.022
2026-02-08T05:22:53.066679Z
{ "verified": true, "answer": 1867, "timestamp": "2026-02-08T05:22:53.088903Z" }
3c9671
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 217, "completion_tokens": 555 }, "timestamp": "2026-02-18T16:03:22.432Z", "answer": 3072 } ]
0
[ { "lemma": "K13", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "ONE_PHI_2", "status": "ok" }, { "lemma": "SUM_FACTOR_CARTESIAN", "status": "ok" }, { "lemma": "V5", "status": "no" }, { ...
{ "lo": -6.48, "mid": 1.54, "hi": 9.56 }
33f3af
comb_catalan_compute_v1_153355830_2662
Let $ n = 11 $. Define $ r = C_n $, the $ n $-th Catalan number. Let $ s = |r| + \binom{16}{16} $ and $ t = |r| + 1 $. Compute the value of $ (r + \phi(s) + \tau(t)) \bmod{68254} $, where $ \phi $ denotes Euler's totient function and $ \tau $ denotes the number of positive divisors function.
49,320
graphs = [ Graph( let={ "n": Const(11), "result": Catalan(Ref("n")), "Q": Mod(value=Sum(Ref("result"), EulerPhi(n=Sum(Abs(arg=Ref(name='result')), Binom(n=Const(16), k=Const(16)))), NumDivisors(n=Sum(Abs(arg=Ref(name='result')), Const(1)))), modulus=Const(68254)), ...
COMB
NT
COMPUTE
sympy
ONE_BINOM_N
[ "ONE_BINOM_N" ]
9c72e5
comb_catalan_compute_v1
null
4
0
[ "ONE_BINOM_N" ]
1
0.001
2026-02-08T07:15:37.073634Z
{ "verified": true, "answer": 49320, "timestamp": "2026-02-08T07:15:37.075041Z" }
e9f3c2
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 212, "completion_tokens": 8030 }, "timestamp": "2026-02-24T07:51:14.027Z", "answer": 49320 }, { "...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "ONE_BINOM_N", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status": ...
{ "lo": -2.35, "mid": 1.22, "hi": 4.84 }
0a9812
lte_diff_endings_v1_1520064083_4869
Let $a = 101$, $b = 1$, $p = 5$, $n = 125$, and $m = 250$. Let $v_{p}(x)$ denote the largest integer $k$ such that $p^k$ divides $x$. Define $v_{p1} = v_p(a^n - b^n)$ and $v_{p2} = v_p(a^m - b^m)$. Let $s = 10637$ and $M = 72431$. Compute the remainder when $s \cdot (v_{p1} + v_{p2})$ is divided by $M$.
33,939
graphs = [ Graph( let={ "a_val": Const(101), "b_val": Const(1), "p_val": Const(5), "n_val": Const(125), "m_val": Const(250), "a_pow_n": Pow(Ref("a_val"), Ref("n_val")), "b_pow_n": Pow(Ref("b_val"), Ref("n_val")), ...
NT
null
COMPUTE
sympy
LTE_DIFF
[ "LTE_DIFF" ]
cf8260
lte_diff_endings_v1
null
6
null
[ "LTE_DIFF" ]
1
0.001
2026-02-08T06:27:57.122811Z
{ "verified": true, "answer": 33939, "timestamp": "2026-02-08T06:27:57.123687Z" }
e022ff
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 245, "completion_tokens": 821 }, "timestamp": "2026-02-19T08:35:21.749Z", "answer": 33939 } ]
2
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "LTE_DIFF", "status": "ok" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": ...
{ "lo": -10, "mid": -6.47, "hi": -2.95 }
512510
nt_euler_phi_compute_v1_1915831931_522
Let $n = 30628$ and $k = 21$. Compute $\phi(n)$, Euler's totient function of $n$. Let $S$ be the set of all positive integers $n_2$ such that $1 \le n_2 \le 12247$ and $\gcd(n_2, 21) = 1$. Let $s$ be the number of elements in $S$. Let $T$ be the set of all positive integers $n_1$ such that $1 \le n_1 \le s$ and \[ n_1 ...
47,268
graphs = [ Graph( let={ "_n": Const(21), "n": Const(30628), "result": EulerPhi(n=Ref("n")), "_c": CountOverSet(set=SolutionsSet(var=Var("n1"), condition=And(Geq(Var("n1"), Const(1)), Leq(Var("n1"), CountOverSet(set=SolutionsSet(var=Var("n2"), condition=And(Geq...
NT
null
COMPUTE
sympy
C4
[ "C4/L3C" ]
0b9e4c
nt_euler_phi_compute_v1
quadratic_mod
6
0
[ "C4", "L3C" ]
2
0.004
2026-02-08T15:30:28.460660Z
{ "verified": true, "answer": 47268, "timestamp": "2026-02-08T15:30:28.464431Z" }
120a7e
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 240, "completion_tokens": 3219 }, "timestamp": "2026-02-16T07:15:13.487Z", "answer": 47268 }, ...
1
[ { "lemma": "C4", "status": "ok" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "L3C", "status": "ok_later" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, ...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
21dc6a
antilemma_k2_v1_1918700295_3958
Let $n = 310$. Compute the value of $$ \sum_{k=1}^{310} \phi(k) \left\lfloor \frac{1}{k} \sum_{d \mid n} \phi(d) \right\rfloor. $$
48,205
graphs = [ Graph( let={ "_n": Const(310), "x": Summation(var="k", start=Const(1), end=Const(310), expr=Mul(EulerPhi(n=Var("k")), Floor(Div(SumOverDivisors(n=Ref(name='_n'), var='d', expr=EulerPhi(n=Var(name='d'))), Var("k"))))), }, goal=Ref("x"), ) ]
NT
COMB
COMPUTE
sympy
K3
[ "K3/K2", "K2" ]
c7f244
antilemma_k2_v1
null
6
0
[ "K2", "K3" ]
2
0.002
2026-02-08T09:03:48.476497Z
{ "verified": true, "answer": 48205, "timestamp": "2026-02-08T09:03:48.478740Z" }
83be07
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 101, "completion_tokens": 1014 }, "timestamp": "2026-02-13T23:59:20.718Z", "answer": 48205 }, ...
1
[ { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "K3", "status": "ok" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status"...
{ "lo": -3.51, "mid": 1.33, "hi": 6.56 }
d3e11b
diophantine_product_count_v1_1520064083_9131
Let $S$ be the set of all ordered pairs $(x,y)$ of positive integers such that $xy = 129600$. Define $k$ to be the minimum value of $x + y$ over all pairs $(x,y) \in S$. Let $T$ be the set of all positive integers $x$ such that $1 \leq x \leq 278$, $x$ divides $k$, and $\frac{k}{x} \leq 278$. Compute the value of $$ \s...
91
graphs = [ Graph( let={ "k": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Mul(Var("x"), Var("y")), Const(129600)))), expr=Sum(Var("x"), Var("y")))), "upper": Const(2...
NT
null
COUNT
sympy
B3
[ "B3" ]
0cd20d
diophantine_product_count_v1
null
5
0
[ "B3" ]
1
0.033
2026-02-08T10:33:48.961425Z
{ "verified": true, "answer": 91, "timestamp": "2026-02-08T10:33:48.994106Z" }
bb4d9d
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 180, "completion_tokens": 2450 }, "timestamp": "2026-02-14T07:46:38.237Z", "answer": 91 }, { ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" ...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
0c6ec2
comb_count_permutations_fixed_v1_865884756_1334
Let $n = 10$ and let $k$ be the smallest divisor of $1001$ that is greater than or equal to $2$. Compute the remainder when $$ 44121 \cdot \binom{n}{k} \cdot !(n - k) $$ is divided by $66625$, where $!m$ denotes the number of derangements of $m$ elements. Determine the value of this remainder.
62,290
graphs = [ Graph( let={ "_n": Const(1001), "n": Const(10), "k": MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(2)), Divides(divisor=Var("d"), dividend=Ref("_n"))))), "result": Mul(Binom(n=Ref("n"), k=Ref("k")), Subfactorial(arg=Sub...
NT
COMB
COUNT
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR" ]
bc3776
comb_count_permutations_fixed_v1
null
4
0
[ "MIN_PRIME_FACTOR" ]
1
0.002
2026-02-08T15:57:26.056185Z
{ "verified": true, "answer": 62290, "timestamp": "2026-02-08T15:57:26.058549Z" }
780996
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 134, "completion_tokens": 1274 }, "timestamp": "2026-02-16T17:55:17.114Z", "answer": 62290 }, ...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V8_SUM", "status...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
afc9b0
comb_count_surjections_v1_238844314_269
Let $k$ be the number of ordered pairs $(i, j)$ where $i$ and $j$ are integers and $1 \leq i \leq 2$, $1 \leq j \leq 2$. Let $n = 6$. Define $S(n, k)$ to be the number of ways to partition a set of $n$ elements into $k$ nonempty subsets, and let $k!$ denote the factorial of $k$. Compute the remainder when $13967 \cdot ...
82,768
graphs = [ Graph( let={ "_n": Const(88958), "n": Const(6), "k": CountOverSet(set=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(2)), right=IntegerRange(start=Const(1), end=Const(2)))), "result": Mul(Factorial(Ref("k")), Stirling2(n=Ref(name='n'),...
COMB
null
COUNT
sympy
COUNT_CARTESIAN
[ "COUNT_CARTESIAN" ]
409d7d
comb_count_surjections_v1
null
3
0
[ "COUNT_CARTESIAN" ]
1
0.002
2026-02-08T13:12:29.518195Z
{ "verified": true, "answer": 82768, "timestamp": "2026-02-08T13:12:29.520161Z" }
42c29a
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 238, "completion_tokens": 2064 }, "timestamp": "2026-02-24T17:33:21.887Z", "answer": 82768 }, { "...
1
[ { "lemma": "COUNT_CARTESIAN", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SU...
{ "lo": -2.35, "mid": 1.22, "hi": 4.84 }
4db21e
nt_sum_over_divisible_v1_48377204_1475
Let $S$ be the set of all positive integers $n$ such that $1 \leq n \leq 40320$ and $$n \equiv \sum_{k=0}^{9} (-1)^k \binom{9}{k} \pmod{89}.$$ Let $r$ be the sum of all elements of $S$. Compute the remainder when $41594 \cdot r$ is divided by $67639$.
39,961
graphs = [ Graph( let={ "upper": Const(40320), "divisor": Const(89), "result": SumOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("upper")), Eq(Mod(value=Var("n"), modulus=Ref("divisor")), Summation(var="k", start=Const(0), ...
COMB
null
SUM
sympy
BINOMIAL_ALTERNATING
[ "BINOMIAL_ALTERNATING" ]
c21569
nt_sum_over_divisible_v1
null
6
0
[ "BINOMIAL_ALTERNATING" ]
1
1.303
2026-02-08T16:07:20.251617Z
{ "verified": true, "answer": 39961, "timestamp": "2026-02-08T16:07:21.554564Z" }
21c242
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 206, "completion_tokens": 2541 }, "timestamp": "2026-02-24T19:53:23.475Z", "answer": 39961 }, { ...
1
[ { "lemma": "BINOMIAL_ALTERNATING", "status": "ok" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "V...
{ "lo": -2.4, "mid": 1.57, "hi": 5.75 }
18328f_n
alg_poly4_count_v1_1218484723_6324
Two players each choose an integer between 1 and 326 inclusive. Let $a$ and $b$ be their choices. They compute the symmetric expression $337a^4 + 1348a^3b + 2022a^2b^2 + 1348ab^3 + 337b^4$. If the result equals 26,191,814,787,072, they win. In how many ways can they choose $(a, b)$ to win?
125
ALG
null
COUNT
sympy
POLY_ORBIT_LEGENDRE
[ "POLY_ORBIT_LEGENDRE", "B1" ]
612274
alg_poly4_count_v1
null
6
null
[ "B1", "POLY_ORBIT_LEGENDRE" ]
2
4.476
2026-02-25T07:53:08.427403Z
null
d78489
18328f
narrative
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 211, "completion_tokens": 5848 }, "timestamp": "2026-03-31T01:09:04.692Z", "answer": 125 }, { "id...
1
[ { "lemma": "B1", "status": "ok" }, { "lemma": "POLY_ORBIT_LEGENDRE", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": -5.37, "mid": 0.23, "hi": 5.22 }
2bb6ad
nt_min_coprime_above_v1_1978505735_3882
Let $m = 65536$ and $n = 16$. Let $a$ be the number of positive integers $k$ such that $1 \leq k \leq m$ and $n$ divides $k$. Let $T$ be the set of all ordered pairs $(x, y)$ of positive integers such that $xy = 5076009$, and let $b$ be the minimum value of $x + y$ over all such pairs. Let $c$ be the smallest integer $...
4,097
graphs = [ Graph( let={ "_m": Const(65536), "_n": Const(16), "start": CountOverSet(set=SolutionsSet(var=Var("k"), condition=And(Geq(Var("k"), Const(1)), Leq(Var("k"), Ref("_m")), Divides(divisor=Ref("_n"), dividend=Var("k"))), domain='positive_integers')), "up...
NT
null
EXTREMUM
sympy
C2
[ "C2", "B3" ]
83578c
nt_min_coprime_above_v1
null
6
0
[ "B3", "C2" ]
2
0.06
2026-02-08T17:54:51.809018Z
{ "verified": true, "answer": 4097, "timestamp": "2026-02-08T17:54:51.868541Z" }
1d1e97
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 192, "completion_tokens": 4218 }, "timestamp": "2026-02-18T09:55:06.664Z", "answer": 4097 }, {...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "C2", "status": "ok" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
79cd85
antilemma_sum_equals_v1_898971024_1520
Let $m = 76198$. Let $S$ be the set of all ordered pairs $(i, j)$ of positive integers such that $i + j = 57$, $1 \le i \le 57$, and $1 \le j \le 57$. Let $k$ be the number of elements in $S$. Let $T$ be the set of all ordered pairs $(i_1, j_1)$ of positive integers such that $i_1 + j_1 = k$, $1 \le i_1 \le 54$, and $1...
25,710
graphs = [ Graph( let={ "_m": Const(76198), "_n": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=Eq(Sum(Var("i"), Var("j")), Const(57)), domain=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(57)), right=IntegerRange(start=Const(1), end...
COMB
GEOM
COMPUTE
sympy
LIN_FORM
[ "COUNT_SUM_EQUALS/COUNT_SUM_EQUALS", "COUNT_SUM_EQUALS" ]
ae9919
antilemma_sum_equals_v1
null
4
0
[ "COUNT_SUM_EQUALS", "LIN_FORM" ]
2
0.025
2026-02-08T16:11:12.473767Z
{ "verified": true, "answer": 25710, "timestamp": "2026-02-08T16:11:12.499156Z" }
dee60c
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 273, "completion_tokens": 1047 }, "timestamp": "2026-02-24T20:04:34.053Z", "answer": 25710 }, { ...
1
[ { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", ...
{ "lo": -2.4, "mid": 1.57, "hi": 5.75 }
7705dd
nt_sum_divisors_compute_v1_798873815_226
Let $p_1 = 5$. Compute $w = (4! + 1) \bmod p_1$. Let $p = 41$, $q = 61$, and let $r$ be the smallest divisor of $16155911$ that is at least $2$. Define $n_1 = p^{2 + w} \cdot q \cdot r$. Let $s = \mu(n_1)^k$, where $k$ is the number of prime numbers $n$ such that $2 \leq n \leq 3$. Let $n = 41209$. Compute $\sigma(n)...
22,102
graphs = [ Graph( let={ "p1": Const(5), "w": Mod(value=Sum(Factorial(Sub(Ref("p1"), Const(1))), Const(1)), modulus=Ref("p1")), "p": Const(41), "q": Const(61), "r": MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(2)), Div...
NT
null
COMPUTE
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR/MOBIUS_SQUAREFREE", "COUNT_PRIMES/MOBIUS_SQUAREFREE", "WILSON" ]
5b5586
nt_sum_divisors_compute_v1
null
5
2
[ "COUNT_PRIMES", "MIN_PRIME_FACTOR", "MOBIUS_SQUAREFREE", "WILSON" ]
4
0.004
2026-02-08T02:31:30.469939Z
{ "verified": true, "answer": 22102, "timestamp": "2026-02-08T02:31:30.473950Z" }
46301f
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 287, "completion_tokens": 3658 }, "timestamp": "2026-02-08T19:12:50.879Z", "answer": 22102 }, { "...
1
[ { "lemma": "COUNT_PRIMES", "status": "ok" }, { "lemma": "K15", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "MOBIUS_SQUAREFREE", "status": "ok_later" }, { "lemma": "MOD_SUB", "sta...
{ "lo": -4.6, "mid": 0.19, "hi": 4.77 }
f82e39
modular_count_residue_v1_655260480_1581
Let $T$ be the set of all ordered pairs $(x, y)$ of positive integers such that $x + y = \sum_{k=1}^{3} \phi(k) \cdot \left\lfloor \frac{3}{k} \right\rfloor$. Let $m$ be the maximum value of $x \cdot y$ over all pairs $(x, y) \in T$. Determine the number of positive integers $n$ such that $n \leq 53361$ and $n \equiv 1...
21,121
graphs = [ Graph( let={ "_n": Const(91138), "upper": Const(53361), "m": MaxOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Sum(Var("x"), Var("y")), Summation(v...
NT
null
COUNT
sympy
K2
[ "K2/B1" ]
995da8
modular_count_residue_v1
null
5
0
[ "B1", "K2" ]
2
3.909
2026-02-08T16:13:34.022823Z
{ "verified": true, "answer": 21121, "timestamp": "2026-02-08T16:13:37.931522Z" }
62c05f
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 179, "completion_tokens": 2091 }, "timestamp": "2026-02-16T22:53:00.912Z", "answer": 21121 }, ...
1
[ { "lemma": "B1", "status": "ok_later" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "K5", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { ...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
afdd51
comb_sum_binomial_row_v1_601307018_6636
Let $M = a^3 + 3a \bmod 2197$ and $R = M^3 + 3M \bmod 2197$. Let $S$ be the number of non-negative integers $a$ with $0 \le a \le 2196$ such that $R = a$ and $M \ne a$. Let $n$ be the smallest positive divisor of $537251$. Compute $S^n$.
2,048
graphs = [ Graph( let={ "_m": Const(2197), "_n": CountOverSet(set=SolutionsSet(var=Var("a"), condition=And(Geq(Var("a"), Const(0)), Leq(Var("a"), Const(2196)), Eq(Ref("_po_p2"), Var("a")), Neq(Ref("_po_p1"), Var("a"))))), "n": MinOverSet(set=SolutionsSet(var=Var("d"), con...
COMB
NT
SUM
sympy
POLY_ORBIT_HENSEL
[ "POLY_ORBIT_HENSEL/MIN_PRIME_FACTOR" ]
c8b7af
comb_sum_binomial_row_v1
null
6
0
[ "MIN_PRIME_FACTOR", "POLY_ORBIT_HENSEL" ]
2
0.002
2026-03-10T07:17:37.849577Z
{ "verified": true, "answer": 2048, "timestamp": "2026-03-10T07:17:37.852066Z" }
9ed40b
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 206, "completion_tokens": 5004 }, "timestamp": "2026-04-19T04:54:48.344Z", "answer": 2048 }, { "...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok_later" }, { "lemma": "POLY_ORBIT_HENSEL", "status": "ok" }, ...
{ "lo": -5.34, "mid": 1.1, "hi": 7.53 }
064c68
algebra_poly_eval_v1_1419126231_28
Let $R = \frac{72 \cdot 6^{5} -97 \cdot 6^{4} -167 \cdot 6^{3} + 69 \cdot 6^{2} -29\cdot6 + 20}{\left|\{ (a, b) : 1 \le a \le 35,\ 1 \le b \le N,\ b^2 + 4a^2 - 4ab = 9 \}\right|}$, where $N = \left|\{ v : 32 \le v \le 2048,\ \exists\, a,b \in \mathbb{Z}^+\, (1 \le a,b \le 8)\ \text{such that}\ 26a^2 + 26b^2 -20ab = v \...
11,777
graphs = [ Graph( let={ "_m": Const(5), "_n": Const(2), "k": Const(6), "result": Div(Sum(Mul(Const(72), Pow(Ref("k"), Ref("_m"))), Mul(Const(-97), Pow(Ref("k"), Const(4))), Mul(Const(-167), Pow(Ref("k"), Const(3))), Mul(Const(69), Pow(Ref("k"), Const(2))), Mul...
ALG
null
COMPUTE
sympy
QF_PSD_DISTINCT
[ "QF_PSD_DISTINCT/QF_PSD_COUNT" ]
a6a878
algebra_poly_eval_v1
null
5
0
[ "QF_PSD_COUNT", "QF_PSD_DISTINCT" ]
2
0.007
2026-02-25T09:33:35.626177Z
{ "verified": true, "answer": 11777, "timestamp": "2026-02-25T09:33:35.633018Z" }
6bfd99
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 299, "completion_tokens": 32768 }, "timestamp": "2026-03-30T06:37:09.372Z", "answer": null }, { ...
1
[ { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "QF_PSD_COUNT", "status": "ok_later" }, { "lemma": "QF_PSD_DISTINCT", "status": "ok" } ]
{ "lo": 1.53, "mid": 4.7, "hi": 7.23 }
bb2353
antilemma_k3_v1_1439011603_120
Let $N = 29511$. Compute the sum of $\phi(d)$ over all positive divisors $d$ of $N$.
29,511
graphs = [ Graph( let={ "x": SumOverDivisors(n=Const(value=29511), var='d', expr=EulerPhi(n=Var(name='d'))), }, goal=Ref("x"), ) ]
NT
COMB
COMPUTE
sympy
K13
[ "K3" ]
54c41e
antilemma_k3_v1
null
2
0
[ "K13", "K3" ]
2
0.002
2026-02-08T15:13:37.745558Z
{ "verified": true, "answer": 29511, "timestamp": "2026-02-08T15:13:37.747844Z" }
657f4a
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 74, "completion_tokens": 1072 }, "timestamp": "2026-02-16T03:43:07.555Z", "answer": 29511 }, {...
1
[ { "lemma": "K3", "status": "ok" }, { "lemma": "L3b", "status": "no" }, { "lemma": "V3", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
4e85ef
nt_sum_gcd_range_mod_v1_1742523217_765
Let $N = 2411$ and $k = 84$. Define $\text{sum} = \sum_{n=1}^{N} \gcd(n, k)$. Let $M = 11719$ and let $\text{result}$ be the remainder when $\text{sum}$ is divided by $M$. Let $d_{\text{min}}$ be the smallest integer greater than or equal to 2 that divides $75809$. Compute the remainder when $\text{result}^2 + d_{\text...
82,747
graphs = [ Graph( let={ "_n": Const(95615), "N": Const(2411), "k": Const(84), "M": Const(11719), "sum": Summation(var="n", start=Const(1), end=Ref("N"), expr=GCD(a=Var("n"), b=Ref("k"))), "result": Mod(value=Ref("sum"), modulus=Ref("M")...
NT
null
COMPUTE
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR" ]
76121b
nt_sum_gcd_range_mod_v1
quadratic_mod
6
0
[ "MIN_PRIME_FACTOR" ]
1
0.284
2026-02-08T03:12:48.408513Z
{ "verified": true, "answer": 82747, "timestamp": "2026-02-08T03:12:48.692381Z" }
f653b7
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 246, "completion_tokens": 4506 }, "timestamp": "2026-02-09T06:46:47.922Z", "answer": 82747 }, { ...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "...
{ "lo": -3.42, "mid": 1.86, "hi": 7.55 }
2a8053
nt_count_digit_sum_v1_238844314_240
Let $S$ be the set of all pairs of positive integers $(p, q)$ such that $p \cdot q = 1021020$, $\gcd(p, q) = 1$, and $p < q$. Let $M$ be the minimum value of $x + y$ over all pairs of positive integers $(x, y)$ such that $x \cdot y = |S|$. Determine the number of positive integers $n \leq 11923$ such that the sum of th...
778
graphs = [ Graph( let={ "upper": Const(11923), "target_sum": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Mul(Var("x"), Var("y")), CountOverSet(set=SolutionsSet(var=...
NT
null
COUNT
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS/B3" ]
3f0fb0
nt_count_digit_sum_v1
null
7
0
[ "B3", "COPRIME_PAIRS" ]
2
0.482
2026-02-08T13:12:16.467369Z
{ "verified": true, "answer": 778, "timestamp": "2026-02-08T13:12:16.949538Z" }
1866a1
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 162, "completion_tokens": 3475 }, "timestamp": "2026-02-15T11:13:23.752Z", "answer": 778 }, { ...
1
[ { "lemma": "B3", "status": "ok_later" }, { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K17", "status": "no" }, ...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
618342
comb_catalan_compute_v1_865884756_2510
Let $n = 10$. Compute the $n$-th Catalan number, denoted $C_n$. Let $a = |C_n| + 0!$ and $b = |C_n| + \binom{14}{14}$. Compute $C_n + \phi(a) + \tau(b)$, where $\phi$ denotes Euler's totient function and $\tau(k)$ denotes the number of positive divisors of $k$. Find the value of this sum.
26,964
graphs = [ Graph( let={ "n": Const(10), "result": Catalan(Ref("n")), "Q": Sum(Ref("result"), EulerPhi(n=Sum(Abs(arg=Ref(name='result')), Factorial(Const(0)))), NumDivisors(n=Sum(Abs(arg=Ref(name='result')), Binom(n=Const(14), k=Const(14))))), }, goal=Ref("...
COMB
NT
COMPUTE
sympy
ONE_FACTORIAL_0
[ "ONE_FACTORIAL_0", "ONE_BINOM_N" ]
7463f0
comb_catalan_compute_v1
null
3
0
[ "ONE_BINOM_N", "ONE_FACTORIAL_0" ]
2
0.002
2026-02-08T16:48:01.182613Z
{ "verified": true, "answer": 26964, "timestamp": "2026-02-08T16:48:01.184527Z" }
6b8cc1
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 142, "completion_tokens": 1424 }, "timestamp": "2026-02-17T11:50:58.106Z", "answer": 26964 }, ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "ONE_BINOM_N", "status": "ok" }, { "lemma": "ONE_FACTORIAL_0", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" }, ...
{ "lo": -2.38, "mid": 1.74, "hi": 6.59 }
0d8ccf
nt_count_gcd_equals_v1_1520064083_7469
Let $S$ be the set of all ordered pairs $(x,y)$ of positive integers such that $xy = 12446784$. Define $T$ to be the set of all values $x + y$ where $(x,y) \in S$. Let $m$ be the minimum value in $T$. Let $k$ be the number of integers $t$ with $7 \leq t \leq 472$ for which there exist positive integers $a$ and $b$ suc...
917
graphs = [ Graph( let={ "upper": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Mul(Var("x"), Var("y")), Const(12446784)))), expr=Sum(Var("x"), Var("y")))), "k": Count...
NT
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM", "B3" ]
688dbe
nt_count_gcd_equals_v1
null
6
0
[ "B3", "LIN_FORM" ]
2
1.007
2026-02-08T09:03:39.772923Z
{ "verified": true, "answer": 917, "timestamp": "2026-02-08T09:03:40.779556Z" }
9cfd79
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 213, "completion_tokens": 4761 }, "timestamp": "2026-02-13T23:40:53.722Z", "answer": 917 }, { ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V1", "status": "no" }, { "lemma": "V5", "status": "no" }, { "lem...
{ "lo": -3.51, "mid": 1.33, "hi": 6.56 }
f82a4f
comb_count_permutations_fixed_v1_784195855_5172
Let $n = 6$ and $k = 2$. Define $r = \binom{n}{k} \cdot !(n - k)$, where $!m$ denotes the number of derangements of $m$ elements. Let $Q$ be the remainder when $29 - r$ is divided by $85103$. Find the value of $Q$.
84,997
graphs = [ Graph( let={ "n": Const(6), "k": Const(2), "result": Mul(Binom(n=Ref("n"), k=Ref("k")), Subfactorial(arg=Sub(left=Ref(name='n'), right=Ref(name='k')))), "Q": Mod(value=Sub(Const(29), Ref("result")), modulus=Const(85103)), }, goal=Ref...
COMB
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM", "BINOMIAL_ALTERNATING" ]
094a2e
comb_count_permutations_fixed_v1
negation_mod
4
0
[ "BINOMIAL_ALTERNATING", "LIN_FORM" ]
2
0.038
2026-02-08T07:42:38.412255Z
{ "verified": true, "answer": 84997, "timestamp": "2026-02-08T07:42:38.450257Z" }
cea821
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 190, "completion_tokens": 389 }, "timestamp": "2026-02-24T08:28:20.511Z", "answer": 84997 }, { "i...
2
[ { "lemma": "BINOMIAL_ALTERNATING", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" ...
{ "lo": -9.23, "mid": -6.18, "hi": -4.06 }
e36bba
alg_qf_psd_sum_v1_1218484723_7695
Let $$E = \left|\left\{ (a2, b2) : a2 \ge 1,\ a2 \le 15,\ b2 \ge 1,\ b2 \le 15,\ 91a2^{3} + 48a2 b2^{2} - 8b2^{3} - 96a2^{2} b2 = 40824 \right\}\right|.$$ Consider all ordered triples $(a1, b1, c1)$ of positive integers satisfying $$a1^{2} + b1^{2} + c1^{E} = a1 b1 + b1 c1 + c1 a1, \quad 9a1 + 8b1 + 4c1 = 42, \quad a1 ...
37,584
graphs = [ Graph( let={ "_m": Const(2), "_n": Const(84), "result": Mod(value=SumOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b"), Var("c"), Var("d")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), SumOverSet(set=MapOverSet(set=Solutio...
ALG
null
COMPUTE
sympy
POLY3_COUNT
[ "POLY3_COUNT/SUM_SQUARES_IDENTITY" ]
c95cc6
alg_qf_psd_sum_v1
null
7
0
[ "POLY3_COUNT", "SUM_SQUARES_IDENTITY" ]
2
0.09
2026-02-25T09:10:38.662724Z
{ "verified": true, "answer": 37584, "timestamp": "2026-02-25T09:10:38.752359Z" }
c81a4c
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 507, "completion_tokens": 21565 }, "timestamp": "2026-03-30T05:57:41.669Z", "answer": 37584 }, { ...
1
[ { "lemma": "POLY3_COUNT", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "SUM_SQUARES_IDENTITY", "status": "ok_later" } ]
{ "lo": -3.33, "mid": 1.03, "hi": 5.26 }
9b2b8c
alg_sym_quad_system_v1_1419126231_112
Let $S$ be the set of positive integer solutions $(a, b, c)$ to the system: \n$$ a^2 + b^2 + c^2 = ab + bc + ca \quad \text{and} \quad a + 8b + 6c = 2115. $$ Let $M = \left( \sum_{(a,b,c) \in S} a^3 + b^3 + c^3 \right) \bmod m$, where $m = \min\{ x + y \mid x > 0, y > 0,\ xy = 2085136 \}$. Compute $|M|$.
2,695
graphs = [ Graph( let={ "_n": Const(2115), "result": Mod(value=SumOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b"), Var("c")]), condition=And(Eq(Sum(Pow(Var("a"), Const(2)), Pow(Var("b"), Const(2)), Pow(Var("c"), Const(2))), Sum(Mul(Var("a"), Var("b")), ...
ALG
null
COMPUTE
sympy
B3
[ "B3" ]
0cd20d
alg_sym_quad_system_v1
null
6
0
[ "B3" ]
1
0.014
2026-02-25T09:38:25.645073Z
{ "verified": true, "answer": 2695, "timestamp": "2026-02-25T09:38:25.658917Z" }
c56b7a
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 253, "completion_tokens": 2155 }, "timestamp": "2026-03-30T07:05:57.725Z", "answer": 2695 }, { "i...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": -5.37, "mid": 0.23, "hi": 5.22 }
727c82
lin_form_endings_v1_784195855_8119
Let $a = 16$ and $b = 12$. Let $A = 49$ and $B = 10$. Define $g = \gcd(a, b)$, $a' = \left\lfloor \frac{a}{g} \right\rfloor$, and $b' = \left\lfloor \frac{b}{g} \right\rfloor$. Let $$ T = a'A + b'B - a'b'. $$ Let $$ S = aA + bB - a - b + 1. $$ Define $k = 17127$ and $M = 72124$. Compute the remainder when $k(S - T)$ is...
31,733
graphs = [ Graph( let={ "a_coeff": Const(16), "b_coeff": Const(12), "A_val": Const(49), "B_val": Const(10), "g_step": GCD(a=Ref("a_coeff"), b=Ref("b_coeff")), "ap_node": Floor(Div(Ref("a_coeff"), Ref("g_step"))), "bp_node": ...
COMB
NT
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
lin_form_endings_v1
null
6
null
[ "LIN_FORM" ]
1
0.002
2026-02-08T10:49:35.364238Z
{ "verified": true, "answer": 31733, "timestamp": "2026-02-08T10:49:35.366610Z" }
7e9a0d
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 189, "completion_tokens": 908 }, "timestamp": "2026-02-16T16:08:37.143Z", "answer": 31733 }, {...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
72ef36
algebra_vieta_sum_v1_1520064083_249
Let $x$ be a real number satisfying the equation \[ x^3 + \left( \sum_{k=1}^{5} \phi(k) \left\lfloor \frac{5}{k} \right\rfloor \right) x^2 + 44x - 60 = 0. \] Let $r$ be the sum of all real solutions to this equation. Compute $|r|$.
15
graphs = [ Graph( let={ "_n": Const(44), "result": SumOverSet(set=SolutionsSet(var=Var("x"), condition=Eq(Sum(Pow(Var("x"), Const(3)), Mul(Summation(var="k", start=Const(1), end=Const(5), expr=Mul(EulerPhi(n=Var("k")), Floor(Div(Const(5), Var("k"))))), Pow(Var("x"), Const(2))), Mul(R...
NT
null
COMPUTE
sympy
K2
[ "K2" ]
6897ab
algebra_vieta_sum_v1
null
6
0
[ "K2" ]
1
0.008
2026-02-08T03:08:59.048493Z
{ "verified": true, "answer": 15, "timestamp": "2026-02-08T03:08:59.056045Z" }
5bfbec
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 201, "completion_tokens": 1014 }, "timestamp": "2026-02-10T13:34:57.670Z", "answer": 15 }, { "id"...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "L3c", "status": "no" }, { "lemma": "V5", "status": "no" } ]
{ "lo": -7.01, "mid": -4.68, "hi": -2.15 }
e9b3e5
comb_binomial_compute_v1_1978505735_4489
Let $T$ be the set of all integers $t$ with $15 \le t \le 54$ for which there exist integers $a$ and $b$ such that $1 \le a \le 3$, $1 \le b \le 4$, and $t = 6a + 9b$. Let $n$ be the number of elements in $T$. Compute the remainder when $44121 \cdot \binom{n}{6}$ is divided by 95026.
1,650
graphs = [ Graph( let={ "_n": Const(95026), "n": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=3)), Geq(left=Va...
ALG
COMB
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
comb_binomial_compute_v1
null
4
0
[ "LIN_FORM" ]
1
0.002
2026-02-08T18:16:04.461415Z
{ "verified": true, "answer": 1650, "timestamp": "2026-02-08T18:16:04.463285Z" }
a62b54
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 152, "completion_tokens": 1776 }, "timestamp": "2026-02-18T15:40:10.415Z", "answer": 1650 }, {...
1
[ { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": -3.12, "mid": 1.47, "hi": 6.57 }
86ccf2
comb_factorial_compute_v1_784195855_9482
Let $S$ be the set of all ordered pairs $(x,y)$ of positive integers such that $xy$ equals the number of positive integers $p$ for which there exists a positive integer $q$ satisfying $pq = 25467750$, $\gcd(p,q) = 1$, and $p < q$. Let $n$ be the minimum value of $x + y$ over all pairs $(x,y) \in S$. Compute $58081 - n!...
17,761
graphs = [ Graph( let={ "n": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Mul(Var("x"), Var("y")), CountOverSet(set=SolutionsSet(var=Var("p"), condition=And(IsPositive(arg=Var(n...
NT
null
COMPUTE
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS/B3" ]
3f0fb0
comb_factorial_compute_v1
null
5
0
[ "B3", "COPRIME_PAIRS" ]
2
0.001
2026-02-08T16:50:55.077934Z
{ "verified": true, "answer": 17761, "timestamp": "2026-02-08T16:50:55.079414Z" }
21b631
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 146, "completion_tokens": 1775 }, "timestamp": "2026-02-17T13:46:11.479Z", "answer": 17761 }, ...
1
[ { "lemma": "B3", "status": "ok_later" }, { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
fbc999
modular_count_residue_v1_124444284_6856
Let $m$ be the number of integers $t$ such that $14 \leq t \leq 80$ and $t = 4a + 10b$ for some integers $a, b$ with $1 \leq a \leq 10$ and $1 \leq b \leq 4$. Let $r$ be the number of positive integers $n \leq 145$ such that $\gcd(n, 12) = 1$, and then define $r$ again as the number of positive integers $n \leq r$ such...
2,594
graphs = [ Graph( let={ "_n": Const(15), "upper": Const(77841), "m": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), ri...
NT
null
COUNT
sympy
C4
[ "C4/C4", "LIN_FORM" ]
472959
modular_count_residue_v1
null
6
0
[ "C4", "LIN_FORM" ]
2
7.698
2026-02-08T08:40:28.834138Z
{ "verified": true, "answer": 2594, "timestamp": "2026-02-08T08:40:36.531856Z" }
10e020
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 209, "completion_tokens": 2369 }, "timestamp": "2026-02-13T20:39:47.690Z", "answer": 2594 }, {...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "C4", "status": "ok" }, { "lemma": "K14", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V3", "status": "no" }, { "le...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
3a4126
comb_sum_binomial_row_v1_1440796553_299
Let $n$ be the number of positive integers $m$ such that $1 \leq m \leq 79$ and $m \equiv \left\lfloor \frac{m}{2} \right\rfloor \pmod{5}$. Compute $2^n$.
32,768
graphs = [ Graph( let={ "_n": Const(2), "n": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Const(79)), Congruent(a=Var(name='n'), b=Floor(arg=Div(left=Var(name='n'), right=Const(value=2))), modulus=Const(value=5))))), "re...
NT
null
SUM
sympy
L3C
[ "L3C" ]
73f8b0
comb_sum_binomial_row_v1
null
6
0
[ "L3C" ]
1
0.001
2026-02-08T11:43:25.106625Z
{ "verified": true, "answer": 32768, "timestamp": "2026-02-08T11:43:25.107592Z" }
b0fd58
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 102, "completion_tokens": 1728 }, "timestamp": "2026-02-14T17:43:05.250Z", "answer": 32768 }, ...
1
[ { "lemma": "K14", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "L3C", "status": "ok" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "V3", "status": "no" } ]
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
1cb6af
nt_count_divisible_and_v1_1116507919_253
Let $d_1=6$. Let $d_2$ be the number of integers $j$ with $0\le j\le 36865$ such that the binomial coefficient $\binom{36865}{j}$ is odd. Let $S$ be the sum $$S=\sum_{d\mid 95} \mu(d),$$ where $\mu$ denotes the Möbius function. Let $T$ be the number of integers $n$ with $1\le n\le 70656$ such that $n\equiv 0\pmod{d_1...
2,944
graphs = [ Graph( let={ "upper": Const(70656), "d1": Const(6), "d2": CountOverSet(set=SolutionsSet(var=Var("j"), condition=And(Geq(Var("j"), Const(0)), Leq(Var("j"), Const(36865)), Eq(Mod(value=Binom(n=Const(36865), k=Var("j")), modulus=Const(2)), Const(1))), domain='nonn...
NT
null
COUNT
sympy
MOBIUS_COPRIME
[ "MOBIUS_COPRIME", "V8" ]
0d4771
nt_count_divisible_and_v1
null
8
0
[ "MOBIUS_COPRIME", "V8" ]
2
2.198
2026-02-08T02:29:54.047812Z
{ "verified": true, "answer": 2944, "timestamp": "2026-02-08T02:29:56.245611Z" }
12b21f
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 263, "completion_tokens": 1011 }, "timestamp": "2026-02-08T19:16:45.399Z", "answer": 2944 }, { "i...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "MOBIUS_COPRIME", "status": "ok" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", ...
{ "lo": -4.6, "mid": 0.15, "hi": 4.61 }
9a6eab
modular_inverse_v1_717093673_289
Let $a$ be the number of integers $t$ with $5 \leq t \leq 14$ that can be written in the form $3a + 2b$ for positive integers $a$ and $b$ satisfying $1 \leq a \leq 2$ and $1 \leq b \leq 4$. Let $m$ be the number of positive integers $j$ such that $1 \leq j \leq 157$ and $j^2 \leq 24649$. Let $x$ be the smallest positiv...
249
graphs = [ Graph( let={ "_n": Const(2), "a": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=2)), Geq(left=Var(na...
NT
null
EXTREMUM
sympy
LIN_FORM
[ "LIN_FORM", "C3" ]
ea43fe
modular_inverse_v1
null
6
0
[ "C3", "LIN_FORM" ]
2
0.023
2026-02-08T15:17:36.113709Z
{ "verified": true, "answer": 249, "timestamp": "2026-02-08T15:17:36.136407Z" }
7c99ce
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 222, "completion_tokens": 2136 }, "timestamp": "2026-02-16T03:40:34.814Z", "answer": 249 }, { ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "C3", "status": "ok" }, { "lemma": "K14", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V7", ...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
87052b
nt_min_coprime_above_v1_124444284_6053
Let $m = 2019$ and $M = 2108$. Let $d_0$ be the smallest divisor of $48436559$ that is at least $2$. Find the smallest integer $n > m$ with $n \leq M$ such that $\gcd(n, d_0) = 1$.
2,020
graphs = [ Graph( let={ "_n": Const(2), "start": Const(2019), "upper": Const(2108), "modulus": MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Ref("_n")), Divides(divisor=Var("d"), dividend=Const(48436559))))), "result": MinOv...
NT
null
EXTREMUM
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR" ]
bc3776
nt_min_coprime_above_v1
null
4
0
[ "MIN_PRIME_FACTOR" ]
1
0.022
2026-02-08T08:06:06.381233Z
{ "verified": true, "answer": 2020, "timestamp": "2026-02-08T08:06:06.403236Z" }
4fa119
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 116, "completion_tokens": 1296 }, "timestamp": "2026-02-13T14:45:26.568Z", "answer": 2020 }, {...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "MOD_MUL", "status": "no" ...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
1db309
sequence_count_fib_divisible_v1_1125832087_1031
Let $s$ be the minimum value of $x + y$ over all pairs of positive integers $(x, y)$ such that $xy = 49$. Let $T$ be the set of all integers $t$ such that $9 \leq t \leq 266$ and there exist positive integers $a$ and $b$ with $1 \leq a \leq 28$, $1 \leq b \leq 35$, satisfying $t = 7a + 2b$. Let $d$ be the number of ord...
43,090
graphs = [ Graph( let={ "_m": Const(53455), "_n": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Mul(Var("x"), Var("y")), Const(49)))), expr=Sum(Var("x"), Var("y")))),...
NT
null
COUNT
sympy
B3
[ "B3/COUNT_SUM_EQUALS", "LIN_FORM" ]
7d5c7c
sequence_count_fib_divisible_v1
null
7
0
[ "B3", "COUNT_SUM_EQUALS", "LIN_FORM" ]
3
0.024
2026-02-08T03:28:00.455474Z
{ "verified": true, "answer": 43090, "timestamp": "2026-02-08T03:28:00.479612Z" }
3daa01
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 335, "completion_tokens": 6162 }, "timestamp": "2026-02-10T14:30:20.022Z", "answer": 43090 }, { "...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok_later" }, { "lemma": "K17", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { ...
{ "lo": -3.46, "mid": 1.03, "hi": 5.49 }
bcb4fa
geo_visible_lattice_v1_784195855_4681
Let $n = 89$. Define a lattice point $(x, y)$ to be visible from the origin if $\gcd(x, y) = 1$. Let $r$ be the number of visible lattice points $(x, y)$ with $1 \leq x, y \leq n$. Compute $|r|$.
4,911
graphs = [ Graph( let={ "n": Const(89), "result": VisibleLatticePoints(n=Ref(name='n')), "Q": Abs(arg=Ref(name='result')), }, goal=Ref("Q"), ) ]
GEOM
null
COUNT
sympy
[]
geo_visible_lattice_v1
null
5
0
null
null
0.173
2026-02-08T07:16:09.659913Z
{ "verified": true, "answer": 4911, "timestamp": "2026-02-08T07:16:09.832661Z" }
810195
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 180, "completion_tokens": 6600 }, "timestamp": "2026-02-24T07:51:26.322Z", "answer": 4911 }, { "i...
1
[]
{ "lo": 1.15, "mid": 4.18, "hi": 6.61 }
89b231
alg_linear_system_2x2_v1_601307018_5272
Let $\mathrm{det} = (-15)(-19) - (-9) \cdot \left|\left\{ (a, b) : 1 \leq a, b \leq 25,\ 64a^3 + \left|\left\{ v : 4 \leq v \leq 2917,\ \exists\, 1 \leq a', b' \leq 14\ \text{s.t.}\ 16a'^2 - 16a'b' + 5b'^2 = v \right\}\right| \cdot a^2 b + 108ab^2 + 27b^3 = 438976 \right\}\right|$, $R = (-460104)(-19) - (-265463)(6)$, ...
30,017
graphs = [ Graph( let={ "_m": Const(3), "_n": Const(25), "num_x": Sub(Mul(Const(-460104), Const(-19)), Mul(Const(-265463), Const(6))), "num_y": Sub(Mul(Const(-15), Const(-265463)), Mul(Const(-9), Const(-460104))), "det": Sub(Mul(Const(-15), Const(-...
ALG
null
COMPUTE
sympy
POLY_ORBIT_LEGENDRE
[ "QF_PSD_DISTINCT/POLY3_COUNT" ]
5dc0d1
alg_linear_system_2x2_v1
null
7
0
[ "POLY3_COUNT", "POLY_ORBIT_LEGENDRE", "QF_PSD_DISTINCT" ]
3
0.118
2026-03-10T05:56:40.859944Z
{ "verified": true, "answer": 30017, "timestamp": "2026-03-10T05:56:40.977967Z" }
89be18
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 323, "completion_tokens": 24561 }, "timestamp": "2026-04-19T01:43:47.918Z", "answer": null }, { ...
0
[ { "lemma": "POLY3_COUNT", "status": "ok_later" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "QF_PSD_DISTINCT", "status": "ok" } ]
{ "lo": 2.12, "mid": 5.37, "hi": 8.63 }
aefe1b
comb_count_surjections_v1_601307018_758
Let $f(x) = x^5 - 2x^2 - 4x + 3$. Define $R = f(a) \bmod 3721$, $S = f(R) \bmod 3721$, and $T = f(S) \bmod 3721$. Let $k$ be the number of non-negative integers $a$ with $0 \le a \le \left|\{ (x_1, x_2) \in \mathbb{Z}^+ \times \mathbb{Z}^+ : x_1 \text{ odd}, x_2 \text{ odd}, x_1 + x_2 = 7440 \}\right|$ such that $T = a...
1,806
graphs = [ Graph( let={ "_m": Const(5), "_n": Const(3), "n": Const(7), "k": CountOverSet(set=SolutionsSet(var=Var("a"), condition=And(Geq(Var("a"), Const(0)), Leq(Var("a"), CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x1"), Var("x2")]), condition=And...
COMB
null
COUNT
sympy
COMB1
[ "COMB1/POLY_ORBIT_HENSEL" ]
311256
comb_count_surjections_v1
null
6
0
[ "COMB1", "POLY_ORBIT_HENSEL" ]
2
0.006
2026-03-10T01:23:22.335596Z
{ "verified": true, "answer": 1806, "timestamp": "2026-03-10T01:23:22.341965Z" }
451dfb
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 314, "completion_tokens": 20215 }, "timestamp": "2026-03-29T00:04:36.713Z", "answer": 1806 }, { "...
1
[ { "lemma": "COMB1", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "POLY_ORBIT_HENSEL", "status": "ok_later" }, { "lem...
{ "lo": 1.27, "mid": 3.84, "hi": 5.91 }
ae6374
comb_count_partitions_v1_865884756_679
Let $n$ be the minimum value of $x + y$ over all ordered pairs $(x, y)$ of positive integers such that $xy = 441$. Let $p(n)$ denote the number of integer partitions of $n$. Compute the remainder when $12993 \cdot p(n)$ is divided by $65726$.
43,796
graphs = [ Graph( let={ "_n": Const(441), "n": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Mul(Var("x"), Var("y")), Ref("_n")))), expr=Sum(Var("x"), Var("y")))), ...
COMB
null
COUNT
sympy
B3
[ "B3" ]
0cd20d
comb_count_partitions_v1
null
5
0
[ "B3" ]
1
0.002
2026-02-08T15:33:14.072755Z
{ "verified": true, "answer": 43796, "timestamp": "2026-02-08T15:33:14.074857Z" }
290e5c
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 179, "completion_tokens": 1681 }, "timestamp": "2026-02-24T18:00:44.923Z", "answer": 43796 }, { ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", ...
{ "lo": -2.4, "mid": 1.57, "hi": 5.75 }
f0b22d
comb_count_surjections_v1_48377204_1596
Let $T$ be the set of all integers $t$ such that $15 \leq t \leq 42$ and there exist integers $a$ and $b$ with $1 \leq a \leq 2$, $1 \leq b \leq 4$, and $t = 9a + 6b$. Let $n$ be the number of elements in $T$. Let $K$ be the Cartesian product of the sets $\{1, 2\}$ and $\{1, 2\}$, and let $k$ be the number of elements ...
40,824
graphs = [ Graph( let={ "n": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=2)), Geq(left=Var(name='b'), right=Const(value=1...
COMB
null
COUNT
sympy
COUNT_CARTESIAN
[ "COUNT_CARTESIAN", "LIN_FORM" ]
efa619
comb_count_surjections_v1
null
4
0
[ "COUNT_CARTESIAN", "LIN_FORM" ]
2
0.003
2026-02-08T16:13:05.067007Z
{ "verified": true, "answer": 40824, "timestamp": "2026-02-08T16:13:05.070486Z" }
296d5e
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 271, "completion_tokens": 1229 }, "timestamp": "2026-02-24T20:13:17.301Z", "answer": 40824 }, { ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "LIN_F...
{ "lo": -4.1, "mid": -1.76, "hi": 1.3 }
60a886
comb_bell_compute_v1_1742523217_4965
Let $u = \sum_{k=0}^{0} (-1)^k \binom{0}{k}$ and $c = \sum_{k=0}^{3} (-1)^k \binom{3}{k}$. Let $n = 9u + c$. Compute the $n$-th Bell number.
21,147
graphs = [ Graph( let={ "n2": Const(0), "u": Summation(var="k", start=Const(0), end=Ref("n2"), expr=Mul(Pow(Const(-1), Var("k")), Binom(n=Ref("n2"), k=Var("k")))), "n1": Const(3), "c": Summation(var="k", start=Const(0), end=Ref("n1"), expr=Mul(Pow(Const(-1), V...
COMB
null
COMPUTE
sympy
BINOMIAL_ALTERNATING
[ "BINOMIAL_ALTERNATING" ]
c21569
comb_bell_compute_v1
null
4
2
[ "BINOMIAL_ALTERNATING" ]
1
0.001
2026-02-08T10:41:31.190125Z
{ "verified": true, "answer": 21147, "timestamp": "2026-02-08T10:41:31.190847Z" }
bc008a
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 181, "completion_tokens": 393 }, "timestamp": "2026-02-24T12:13:12.486Z", "answer": 21147 }, { "i...
1
[ { "lemma": "BINOMIAL_ALTERNATING", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8_SUM", "sta...
{ "lo": -3.84, "mid": -1.67, "hi": 1.32 }
bd55bc
nt_sum_totient_over_divisors_v1_1470522791_22
Let $n = 44780$. Compute the sum of $\phi(d)$ over all positive divisors $d$ of $n$, where $\phi$ denotes Euler's totient function. Call this sum $s$. Now compute the sum $$ \sum_{k=1}^{44} \phi(k) \left\lfloor \frac{44}{k} \right\rfloor $$ and subtract $s$ from it. Find the remainder when this difference is divided b...
34,232
graphs = [ Graph( let={ "_n": Const(44), "n": Const(44780), "result": SumOverDivisors(n=Ref(name='n'), var='d', expr=EulerPhi(n=Var(name='d'))), "Q": Mod(value=Sub(Summation(var="k", start=Const(1), end=Ref("_n"), expr=Mul(EulerPhi(n=Var("k")), Floor(Div(Const...
NT
null
COMPUTE
sympy
K2
[ "K2" ]
9468ae
nt_sum_totient_over_divisors_v1
negation_mod
6
0
[ "K2" ]
1
0.003
2026-02-08T12:47:47.685472Z
{ "verified": true, "answer": 34232, "timestamp": "2026-02-08T12:47:47.688292Z" }
bf0a96
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 146, "completion_tokens": 583 }, "timestamp": "2026-02-15T05:06:53.348Z", "answer": 34232 }, {...
1
[ { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "VAL_SUM_EQ",...
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
38d1f8
comb_count_surjections_v1_124444284_9933
Let $n_2 = 0!$. Define $$ e = \sum_{k=\sum_{j=0}^{2} (-1)^j \binom{2}{j}}^{n_2} (-1)^k \binom{n_2}{k}. $$ Let $m = \sum_{k=0}^{4} (-1)^k \binom{4}{k}$, and let $k = 4 + e + m$. Compute $k! \cdot S(4, k)$, where $S(n,k)$ denotes the Stirling number of the second kind.
24
graphs = [ Graph( let={ "n2": Factorial(Const(0)), "e": Summation(var="k", start=Summation(var="k", start=Const(0), end=Const(2), expr=Mul(Pow(Const(-1), Var("k")), Binom(n=Const(2), k=Var("k")))), end=Ref("n2"), expr=Mul(Pow(Const(-1), Var("k")), Binom(n=Ref("n2"), k=Var("k")))), ...
COMB
null
COUNT
sympy
COUNT_SUM_EQUALS
[ "BINOMIAL_ALTERNATING", "ONE_FACTORIAL_0" ]
8794cb
comb_count_surjections_v1
null
5
2
[ "BINOMIAL_ALTERNATING", "COUNT_SUM_EQUALS", "ONE_FACTORIAL_0" ]
3
0.028
2026-02-08T12:43:46.264413Z
{ "verified": true, "answer": 24, "timestamp": "2026-02-08T12:43:46.292802Z" }
9bbf96
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 240, "completion_tokens": 849 }, "timestamp": "2026-02-24T16:16:22.925Z", "answer": 24 }, { "id":...
2
[ { "lemma": "BINOMIAL_ALTERNATING", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "ONE_FACTORIAL_0", "status": "ok" }, { "lemma": "V7", ...
{ "lo": -9.23, "mid": -6.18, "hi": -4.06 }
c32f7c
alg_poly3_min_v1_1218484723_2751
Let $A = \min\left\{ 16a_1b_1 + 32b_1^2 + 4a_1^2 : 1 \le a_1, b_1 \le 17 \right\}$. Find the remainder when $$\min\left\{ -65a^3 - 42a^2b - 24ab^2 + 7b^3 : 1 \le a \le A,\, 1 \le b \le 52 \right\}$$ is divided by $99594$.
93,152
graphs = [ Graph( let={ "_n": Const(2), "result": Mod(value=MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a1"), Var("b1")]),...
ALG
null
COMPUTE
sympy
QF_PSD_MIN
[ "QF_PSD_MIN" ]
c66ce3
alg_poly3_min_v1
null
5
0
[ "QF_PSD_MIN" ]
1
0.016
2026-02-25T04:27:35.732462Z
{ "verified": true, "answer": 93152, "timestamp": "2026-02-25T04:27:35.748563Z" }
cd6915
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 232, "completion_tokens": 2744 }, "timestamp": "2026-03-29T06:22:12.291Z", "answer": 93152 }, { "...
1
[ { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "QF_PSD_MIN", "status": "ok" } ]
{ "lo": -2.45, "mid": 1.37, "hi": 5.29 }
fa5598
nt_count_coprime_and_v1_1520064083_176
Let $p$ be the smallest divisor of $41327$ that is at least $2$. Let $m$ be the number of positive integers $p$ for which there exists a positive integer $q$ such that $p \cdot q = 216$, $\gcd(p, q) = 1$, and $p < q$. Let $k_2$ be the largest prime number between $m$ and $p$, inclusive. Compute the number of positive i...
28,205
graphs = [ Graph( let={ "_n": MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(2)), Divides(divisor=Var("d"), dividend=Const(41327))))), "upper": Const(36195), "k1": Const(7), "k2": MaxOverSet(set=SolutionsSet(var=Var("n"), condition...
NT
null
COUNT
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR/COPRIME_PAIRS/MAX_PRIME_BELOW" ]
a2a2d0
nt_count_coprime_and_v1
null
6
0
[ "COPRIME_PAIRS", "MAX_PRIME_BELOW", "MIN_PRIME_FACTOR" ]
3
16.227
2026-02-08T03:07:00.328223Z
{ "verified": true, "answer": 28205, "timestamp": "2026-02-08T03:07:16.555570Z" }
59e6b3
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 246, "completion_tokens": 1718 }, "timestamp": "2026-02-10T12:49:35.078Z", "answer": 28205 }, { ...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok_later" }, { "lemma": "K14", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok_later" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "MOD_MUL", ...
{ "lo": -3.45, "mid": 1.18, "hi": 5.72 }
1b361d
comb_factorial_compute_v1_153355830_29
Let $S$ be the set of all ordered pairs $(x,y)$ of positive integers such that $x + y = 8$. Let $P$ be the maximum value of $xy$ over all such pairs. Now, let $T$ be the set of all ordered pairs $(x,y)$ of positive integers such that $xy = P$. Let $n$ be the minimum value of $x + y$ over all pairs in $T$. Compute $n!$....
50,598
graphs = [ Graph( let={ "_n": Const(55197), "n": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Mul(Var("x"), Var("y")), MaxOverSet(set=MapOverSet(set=SolutionsSet(var...
ALG
COMB
COMPUTE
sympy
B1
[ "B1/B3" ]
80b49d
comb_factorial_compute_v1
null
6
0
[ "B1", "B3" ]
2
0.002
2026-02-08T02:51:18.273107Z
{ "verified": true, "answer": 50598, "timestamp": "2026-02-08T02:51:18.274842Z" }
cd1243
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 228, "completion_tokens": 2055 }, "timestamp": "2026-02-10T11:43:56.905Z", "answer": 50598 }, { "...
1
[ { "lemma": "B1", "status": "ok" }, { "lemma": "B3", "status": "ok_later" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": 0.04, "mid": 1.71, "hi": 3.18 }
fbf1f9
nt_count_digit_sum_v1_1520064083_1241
Let $t$ be an integer. A pair of positive integers $(a, b)$ is called \emph{valid} if $1 \leq a \leq 13$, $1 \leq b \leq 2$, and $t = 6a + 21b$. Define $S$ to be the set of all integers $t$ such that $27 \leq t \leq 120$ and there exists a valid pair $(a, b)$ for $t$. Let $m$ be the number of elements in $S$. Now, let...
21,799
graphs = [ Graph( let={ "_n": Const(67513), "upper": Const(381924), "target_sum": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(...
NT
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
nt_count_digit_sum_v1
null
6
0
[ "LIN_FORM" ]
1
25.341
2026-02-08T03:52:22.414150Z
{ "verified": true, "answer": 21799, "timestamp": "2026-02-08T03:52:47.754879Z" }
ad254a
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 305, "completion_tokens": 6449 }, "timestamp": "2026-02-10T14:41:31.136Z", "answer": 21799 }, { ...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "V7", "status": "no" } ]
{ "lo": -3.49, "mid": 1.84, "hi": 7.55 }
db8065
alg_poly3_count_v1_601307018_4130
Find the number of ordered pairs $(a, b)$ of positive integers with $1 \le a, b \le 478$ such that $$\left| \left\{ (a_1, b_1) : a_1, b_1 \in \mathbb{Z}^+,\ 1 \le a_1, b_1 \le 35,\ 2b_1^2 - 2a_1b_1 + 13a_1^2 \le 1418 \right\} \right| \cdot b^3 + 702a^2b - 234a^3 - 702ab^2 = -29250.$$
473
graphs = [ Graph( let={ "_n": Const(2), "result": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), Const(478)), Geq(Var("b"), Const(1)), Leq(Var("b"), Const(478)), Eq(Sum(Mul(CountOverSet(set=SolutionsSet(var...
ALG
null
COUNT
sympy
MIN_PRIME_FACTOR
[ "QF_PSD_COUNT_LEQ" ]
009d0f
alg_poly3_count_v1
null
7
0
[ "MIN_PRIME_FACTOR", "QF_PSD_COUNT_LEQ" ]
2
12.652
2026-03-10T04:43:30.224686Z
{ "verified": true, "answer": 473, "timestamp": "2026-03-10T04:43:42.876462Z" }
b8cd31
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 257, "completion_tokens": 6612 }, "timestamp": "2026-03-29T11:09:51.819Z", "answer": 473 }, { "id...
1
[ { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "QF_PSD_COUNT_LEQ", "status": "ok" } ]
{ "lo": -3.34, "mid": 0.9, "hi": 4.9 }
d056ca
nt_count_gcd_equals_v1_655260480_4532
Let $k$ be the number of integers $t$ in the range $21 \leq t \leq 285$ for which there exist integers $a$ and $b$ with $1 \leq a \leq 5$, $1 \leq b \leq 17$, and $t = 6a + 15b$. Let $d = 5$. Compute the number of positive integers $n$ such that $1 \leq n \leq 45369$ and $\gcd(n, k) = d$. Let $r$ be this count. Compute...
74,952
graphs = [ Graph( let={ "upper": Const(45369), "k": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=5)), Geq(left...
NT
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
nt_count_gcd_equals_v1
null
6
0
[ "LIN_FORM" ]
1
3.674
2026-02-08T17:58:45.917944Z
{ "verified": true, "answer": 74952, "timestamp": "2026-02-08T17:58:49.591601Z" }
52a1f3
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 186, "completion_tokens": 3885 }, "timestamp": "2026-02-18T11:42:46.885Z", "answer": 74952 }, ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
1b7c98
comb_count_partitions_v1_1520064083_158
Let $T$ be the set of all positive integers $t$ such that $25 \leq t \leq 125$ and there exist positive integers $a$ and $b$ with $1 \leq a \leq 5$, $1 \leq b \leq 12$, and $t = 14a + 4b + 7$. Let $n$ be the number of elements in $T$. Compute the number of integer partitions of $n$.
89,134
graphs = [ Graph( let={ "n": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=5)), Geq(left=Var(name='b'), right=Const(value=1...
COMB
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
comb_count_partitions_v1
null
6
0
[ "LIN_FORM" ]
1
0.003
2026-02-08T03:06:45.453563Z
{ "verified": true, "answer": 89134, "timestamp": "2026-02-08T03:06:45.456291Z" }
e873e8
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 213, "completion_tokens": 1991 }, "timestamp": "2026-02-10T12:58:46.666Z", "answer": 89134 }, { "...
1
[ { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status...
{ "lo": 1.97, "mid": 4.36, "hi": 6.69 }
dca83d
nt_count_divisible_and_v1_1431428450_169
Let $d_1 = 6$. Let $d_2$ be the number of positive integers $p$ for which there exists a positive integer $q$ such that $p \cdot q = 15750$, $\gcd(p, q) = 1$, and $p < q$. Compute the number of positive integers $n$ such that $n \leq 55584$, $n$ is divisible by $d_1$, and $n$ is divisible by $d_2$.
2,316
graphs = [ Graph( let={ "upper": Const(55584), "d1": Const(6), "d2": CountOverSet(set=SolutionsSet(var=Var("p"), condition=And(IsPositive(arg=Var(name='p')), Exists(var=Var(name='q'), condition=And(Eq(left=Mul(Var(name='p'), Var(name='q')), right=Const(value=15750)), Eq(l...
NT
null
COUNT
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS" ]
2bb3aa
nt_count_divisible_and_v1
null
4
0
[ "COPRIME_PAIRS" ]
1
2.602
2026-02-08T13:17:10.493691Z
{ "verified": true, "answer": 2316, "timestamp": "2026-02-08T13:17:13.096181Z" }
8c486c
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 151, "completion_tokens": 2579 }, "timestamp": "2026-02-15T12:02:14.479Z", "answer": 2316 }, {...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "K15", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "V8_SUM", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
76a41c
diophantine_fbi2_min_v1_1742523217_3905
Let $k = 10$. Determine the smallest integer $d$ such that $5 \leq d \leq 20$, $d$ divides $k$, and $\frac{k}{d} \geq 2$. Find the value of this $d$.
5
graphs = [ Graph( let={ "k": Const(10), "a": Const(4), "b": Const(1), "upper": Const(20), "result": MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(5)), Leq(Var("d"), Ref("upper")), Divides(divisor=Var("d"), dividend=Ref...
NT
null
EXTREMUM
sympy
C4
[ "COPRIME_PAIRS/K2" ]
846647
diophantine_fbi2_min_v1
null
2
0
[ "C4", "COPRIME_PAIRS", "K2" ]
3
0.088
2026-02-08T06:07:50.368535Z
{ "verified": true, "answer": 5, "timestamp": "2026-02-08T06:07:50.456890Z" }
0b1e90
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 1, "correct": { "strict": false, "boxed": false, "relaxed": true }, "usage": { "prompt_tokens": 112, "completion_tokens": 357 }, "timestamp": "2026-02-15T17:04:17.993Z", "answer": 2 }, { "id": 11, ...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "K2", "status": "ok_later" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "V3", "status": "no" }, { "...
{ "lo": -9.14, "mid": -6.05, "hi": -3.73 }
6e03e1
comb_count_partitions_v1_1520064083_6654
Let $n$ be the number of integers $t$ such that $27 \leq t \leq 180$ and there exist positive integers $a$ and $b$ with $1 \leq a \leq 8$, $1 \leq b \leq 5$, and $$t = 15a + 12b.$$ Let $p(n)$ denote the number of integer partitions of $n$. Let $Q$ be the remainder when $43464 \cdot p(n)$ is divided by 55643. Find th...
30,737
graphs = [ Graph( let={ "_n": Const(55643), "n": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=8)), Geq(left=Va...
COMB
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
comb_count_partitions_v1
null
7
0
[ "LIN_FORM" ]
1
0.002
2026-02-08T08:15:30.357527Z
{ "verified": true, "answer": 30737, "timestamp": "2026-02-08T08:15:30.359962Z" }
09e2de
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 233, "completion_tokens": 4535 }, "timestamp": "2026-02-24T09:14:05.651Z", "answer": 30737 }, { "...
1
[ { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8_SUM", ...
{ "lo": 1.15, "mid": 4.18, "hi": 6.61 }
84343d
comb_count_surjections_v1_677425708_616
Let $n = 7$. Let $k$ be the number of ordered pairs $(i, j)$ of positive integers such that $i + j = 8$, where $1 \leq i \leq 7$ and $1 \leq j \leq 8$. Define $\text{result} = k! \cdot S(n, k)$, where $S(n, k)$ denotes the Stirling number of the second kind. Let $Q$ be the remainder when $63760 \cdot \text{result}$ is ...
10,293
graphs = [ Graph( let={ "n": Const(7), "k": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=Eq(Sum(Var("i"), Var("j")), Const(8)), domain=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(7)), right=IntegerRange(start=Const(1), end=Const(8...
COMB
null
COUNT
sympy
COUNT_SUM_EQUALS
[ "COUNT_SUM_EQUALS" ]
75ab0f
comb_count_surjections_v1
null
6
0
[ "COUNT_SUM_EQUALS" ]
1
0.012
2026-02-08T03:37:39.058601Z
{ "verified": true, "answer": 10293, "timestamp": "2026-02-08T03:37:39.070181Z" }
b77eb8
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 240, "completion_tokens": 2015 }, "timestamp": "2026-02-08T20:50:43.870Z", "answer": 10293 }, { "...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8_SUM", "status":...
{ "lo": -2.46, "mid": 0.47, "hi": 3.59 }
a007a1
comb_catalan_compute_v1_1218484723_4722
Let $C_n$ denote the $n$-th Catalan number. Let $n$ be the number of integers $t$ in the range $31 \leq t \leq 67$ that can be expressed as $t = 9a + 6b + 16$ for integers $a, b$ with $1 \leq a \leq 3$, $1 \leq b \leq 4$. Compute $C_n$.
58,786
graphs = [ Graph( let={ "n": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=3)), Geq(left=Var(name='b'), right=Const(value=1...
COMB
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
comb_catalan_compute_v1
null
3
0
[ "LIN_FORM" ]
1
0.002
2026-02-25T06:23:40.232118Z
{ "verified": true, "answer": 58786, "timestamp": "2026-02-25T06:23:40.233789Z" }
bfe3bc
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 209, "completion_tokens": 1462 }, "timestamp": "2026-03-29T17:12:07.645Z", "answer": 58786 }, { "...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status": "no...
{ "lo": -6.2, "mid": -2.87, "hi": 0.44 }
3db1fe
nt_sum_divisors_mod_v1_1520064083_2795
Let $S$ be the set of all ordered pairs $(x,y)$ of positive integers such that $xy = 32400$. Define $n$ to be the minimum value of $x + y$ over all such pairs. Let $\sigma$ be the sum of all positive divisors of $n$. Compute the remainder when $\sigma$ is divided by $11287$.
1,170
graphs = [ Graph( let={ "n": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Mul(Var("x"), Var("y")), Const(32400)))), expr=Sum(Var("x"), Var("y")))), "M": Const(11287)...
NT
null
COMPUTE
sympy
B3
[ "B3" ]
0cd20d
nt_sum_divisors_mod_v1
null
5
0
[ "B3" ]
1
0.003
2026-02-08T05:12:55.329318Z
{ "verified": true, "answer": 1170, "timestamp": "2026-02-08T05:12:55.331927Z" }
d6e545
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 187, "completion_tokens": 716 }, "timestamp": "2026-02-11T23:07:47.203Z", "answer": 1170 }, { "i...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "V5", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -7.01, "mid": -4.68, "hi": -2.15 }
542b91
comb_factorial_compute_v1_153355830_1824
Let $n$ be the number of nonnegative integers $j$ with $0 \leq j \leq 265$ such that $\binom{265}{j}$ is odd. Let $r = 16384 - n!$. Compute the remainder when $r$ is divided by 66370. Find the value of this remainder.
42,434
graphs = [ Graph( let={ "_n": Const(16384), "n": CountOverSet(set=SolutionsSet(var=Var("j"), condition=And(Geq(Var("j"), Const(0)), Leq(Var("j"), Const(265)), Eq(Mod(value=Binom(n=Const(265), k=Var("j")), modulus=Const(2)), Const(1))), domain='nonnegative_integers')), "re...
ALG
COMB
COMPUTE
sympy
V8
[ "V8" ]
86348e
comb_factorial_compute_v1
null
4
0
[ "V8" ]
1
0.002
2026-02-08T06:38:39.834550Z
{ "verified": true, "answer": 42434, "timestamp": "2026-02-08T06:38:39.837030Z" }
8ab98d
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 182, "completion_tokens": 559 }, "timestamp": "2026-02-24T06:40:27.337Z", "answer": 42434 }, { "i...
1
[ { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "ok" } ]
{ "lo": -4.93, "mid": -2.91, "hi": -0.71 }
e04b65
nt_max_prime_below_v1_971394319_859
Let $A$ be the set of all positive integers $n$ such that $1 \leq n \leq 2$ and the sum of the digits of $n$ is odd. Let $B$ be the set of all prime numbers $n$ such that $n \geq |A|$ and $n \leq 71824$. Let $p_{\text{max}}$ be the largest element of $B$. Compute the remainder when $44121 \cdot p_{\text{max}}$ is divid...
43,988
graphs = [ Graph( let={ "upper": Const(71824), "result": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Const(2)), Eq(Mod(value=DigitSum(Var("n")), modulus=Const(2)...
NT
null
EXTREMUM
sympy
L3B
[ "L3B" ]
cc148f
nt_max_prime_below_v1
null
3
0
[ "L3B" ]
1
1.841
2026-02-08T13:20:08.873968Z
{ "verified": true, "answer": 43988, "timestamp": "2026-02-08T13:20:10.715259Z" }
95ebf6
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 157, "completion_tokens": 2954 }, "timestamp": "2026-02-15T14:13:52.069Z", "answer": 43988 }, ...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "L3B", "status": "ok" }, { "lemma": "L3b", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
f17e27
comb_sum_binomial_row_v1_601307018_4205
Let $n$ be the number of ordered pairs $(a, b)$ of positive integers with $1 \le a, b \le 15$ such that $$\left|\{ v : 41 \le v \le 11849,\ \exists\text{ integers } a, b \text{ with } 1 \le a \le 17,\ 1 \le b \le 17 \text{ such that } 41 \cdot b^{2} = v \}\right| \cdot a^{4} + 102 \cdot a^{2} \cdot b^{2} + \left|\{ (a_...
1,024
graphs = [ Graph( let={ "_c": Const(2), "_m": Const(17), "_n": Const(4), "n": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), Const(15)), Geq(Var("b"), Const(1)), Leq(Var("b"), Const(...
COMB
null
SUM
sympy
QF_PSD_DISTINCT
[ "QF_PSD_DISTINCT/POLY4_COUNT", "POLY4_COUNT/POLY4_COUNT" ]
548a79
comb_sum_binomial_row_v1
null
7
0
[ "POLY4_COUNT", "QF_PSD_DISTINCT" ]
2
0.027
2026-03-10T04:50:19.730525Z
{ "verified": true, "answer": 1024, "timestamp": "2026-03-10T04:50:19.757501Z" }
9207a2
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 405, "completion_tokens": 2179 }, "timestamp": "2026-03-29T11:24:26.983Z", "answer": 1024 }, { "i...
1
[ { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "POLY4_COUNT", "status": "ok" }, { "lemma...
{ "lo": -3.34, "mid": 0.9, "hi": 4.9 }
ece7db
nt_count_divisible_and_v1_50713871_92
Let $A$ be the set of all integers $n$ such that $1 \leq n \leq 106590$, $n$ is divisible by 6, and $n$ is divisible by 10. Compute the number of elements in $A$.
3,553
graphs = [ Graph( let={ "upper": Const(106590), "d1": Const(6), "d2": Const(10), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), SumOverDivisors(n=GCD(a=Const(value=9), b=Const(value=14)), var='d', expr=MoebiusMu(n=Var(name='d...
NT
null
COUNT
sympy
MOBIUS_COPRIME
[ "MOBIUS_COPRIME" ]
ac54ac
nt_count_divisible_and_v1
null
3
0
[ "MOBIUS_COPRIME" ]
1
3.326
2026-02-08T02:45:11.008404Z
{ "verified": true, "answer": 3553, "timestamp": "2026-02-08T02:45:14.333998Z" }
34196d
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 170, "completion_tokens": 386 }, "timestamp": "2026-02-08T19:48:30.756Z", "answer": 3553 }, { "id...
2
[ { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MOBIUS_COPRIME", "status": "ok" }, { "lemma": "V3", "status": "no" }, { "lemma": "VAL_SUM_EQ", "...
{ "lo": -10, "mid": -6.86, "hi": -3.72 }
2a3ddf
nt_count_intersection_v1_1520064083_2760
Let $k$ be the minimum value of $x + y$ over all ordered pairs $(x,y)$ of positive integers such that $xy = 196$. Let $b$ be the number of ordered pairs $(x_1, x_2)$ of positive odd integers such that $x_1 + x_2 = k$. Let $N = 50000$. Determine the number of positive integers $n \leq N$ such that $11$ divides $n$ and...
48,103
graphs = [ Graph( let={ "_n": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Mul(Var("x"), Var("y")), Const(196)))), expr=Sum(Var("x"), Var("y")))), "N": Const(50000),...
NT
null
COUNT
sympy
B3
[ "B3/COMB1" ]
e26f7e
nt_count_intersection_v1
null
6
0
[ "B3", "COMB1" ]
2
2.065
2026-02-08T04:59:46.426578Z
{ "verified": true, "answer": 48103, "timestamp": "2026-02-08T04:59:48.491225Z" }
42d31e
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 250, "completion_tokens": 1719 }, "timestamp": "2026-02-11T22:39:26.305Z", "answer": 48103 }, { ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COMB1", "status": "ok_later" }, { "lemma": "K14", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "V1", "status": "no" }, ...
{ "lo": -3.42, "mid": 1.86, "hi": 7.55 }
41e142
nt_sum_gcd_range_mod_v1_458359167_524
Let $S$ be the set of all ordered pairs $(x,y)$ of positive integers such that $xy = 115600$. Let $T$ be the set of all values $x+y$ where $(x,y) \in S$. Let $m$ be the minimum value in $T$. Let $A$ be the set of all positive integers $n$ such that $1 \leq n \leq m$ and $3$ divides the $n$th Fibonacci number. Let $N$ b...
1,500
graphs = [ Graph( let={ "N": MaxOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Sum(Var("x"), Var("y")), CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(...
NT
null
COMPUTE
sympy
B3
[ "B3/COUNT_FIB_DIVISIBLE/B1" ]
397de5
nt_sum_gcd_range_mod_v1
null
7
0
[ "B1", "B3", "COUNT_FIB_DIVISIBLE" ]
3
0.416
2026-02-08T03:23:39.317983Z
{ "verified": true, "answer": 1500, "timestamp": "2026-02-08T03:23:39.733624Z" }
1c0380
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 283, "completion_tokens": 5083 }, "timestamp": "2026-02-10T14:08:46.721Z", "answer": 1500 }, { "i...
1
[ { "lemma": "B1", "status": "ok_later" }, { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "ok_later" }, { "lemma": "K14", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "K16", "status": "no" }, { ...
{ "lo": 1.71, "mid": 5.04, "hi": 8.38 }
637022
nt_sum_gcd_range_mod_v1_784195855_8717
Let $N$ be the largest positive divisor of $35212331$ that is at most $5929$. Let $k$ be the minimum value of $x + y$ over all ordered pairs $(x, y)$ of positive integers such that $xy = 20736$. Let $s = \sum_{n=1}^{N} \gcd(n, k)$. Find the remainder when $s$ is divided by $11839$.
931
graphs = [ Graph( let={ "_n": Const(5929), "N": MaxOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(1)), Leq(Var("d"), Ref("_n")), Divides(divisor=Var("d"), dividend=Const(35212331))))), "k": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(ele...
NT
null
COMPUTE
sympy
MAX_DIVISOR
[ "MAX_DIVISOR", "B3" ]
a4accf
nt_sum_gcd_range_mod_v1
null
6
0
[ "B3", "MAX_DIVISOR" ]
2
0.541
2026-02-08T16:17:20.225868Z
{ "verified": true, "answer": 931, "timestamp": "2026-02-08T16:17:20.767132Z" }
d4c7dd
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 138, "completion_tokens": 2750 }, "timestamp": "2026-02-17T01:05:14.438Z", "answer": 931 }, { ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "MAX_DIVISOR", "status": "ok" }, { "lemma": "V1", "status": "no" }, { "lemma": "V8_SUM...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
597355
algebra_poly_eval_v1_1918700295_271
Let $n$ be the number of integers $t$ with $9 \leq t \leq 30$ for which there exist positive integers $a$ and $b$ such that $a \leq 8$, $b \leq 2$, and $t = 2a + 7b$. Let $m$ be the number of unordered pairs of coprime positive integers $(p, q)$ such that $p < q$ and $pq = 72$. Define $$ \text{result} = 8n^3 + 8n^m - ...
49,293
graphs = [ Graph( let={ "_n": Const(8), "n": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=8)), Geq(left=Var(na...
NT
null
COMPUTE
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS", "LIN_FORM" ]
67610e
algebra_poly_eval_v1
null
5
0
[ "COPRIME_PAIRS", "LIN_FORM" ]
2
0.003
2026-02-08T03:08:11.097173Z
{ "verified": true, "answer": 49293, "timestamp": "2026-02-08T03:08:11.100087Z" }
2232a2
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 277, "completion_tokens": 5224 }, "timestamp": "2026-02-10T13:11:20.143Z", "answer": 49293 }, { "...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "MOD_MUL", "status": "no" ...
{ "lo": -3.46, "mid": 1.03, "hi": 5.49 }
cac7d8
nt_num_divisors_compute_v1_124444284_7979
Let $m = 44121$. Let $S$ be the set of all prime numbers $n$ such that $2 \leq n \leq 45481$ and $\gcd(n, 14) = 1$. Let $k$ be the number of elements in $S$. Let $d$ be the smallest integer greater than or equal to 2 that divides $k$. Let $r$ be the number of positive divisors of $d$. Compute $m \cdot r$.
88,242
graphs = [ Graph( let={ "_m": Const(44121), "_n": Const(2), "n": MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Ref("_n")), Divides(divisor=Var("d"), dividend=CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var...
NT
null
COMPUTE
sympy
COUNT_PRIMES
[ "COUNT_PRIMES/C4/MIN_PRIME_FACTOR" ]
171be9
nt_num_divisors_compute_v1
null
5
0
[ "C4", "COUNT_PRIMES", "MIN_PRIME_FACTOR" ]
3
0.006
2026-02-08T09:29:34.830367Z
{ "verified": true, "answer": 88242, "timestamp": "2026-02-08T09:29:34.836572Z" }
ce7e6b
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 148, "completion_tokens": 2611 }, "timestamp": "2026-02-14T04:38:11.310Z", "answer": 88242 }, ...
1
[ { "lemma": "C4", "status": "ok_later" }, { "lemma": "COUNT_PRIMES", "status": "ok" }, { "lemma": "K14", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok_la...
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
e17144
nt_sum_divisors_mod_v1_655260480_2264
Let $m = 8$. Let $p$ be the largest prime number such that $2 \leq p \leq m$. Consider the set of all ordered pairs $(x, y)$ of positive integers satisfying $xy = 518400$. For each such pair, compute $x + y$, and let $S$ be the set of all such sums. Let $T$ be the set of all positive integers $n$ such that $1 \leq n \l...
546
graphs = [ Graph( let={ "_m": Const(8), "_n": MaxOverSet(set=SolutionsSet(var=Var("n1"), condition=And(Geq(Var("n1"), Const(2)), Leq(Var("n1"), Ref("_m")), IsPrime(Var("n1"))))), "n": CountOverSet(set=SolutionsSet(var=Var("n2"), condition=And(Geq(Var("n2"), Const(1)), Leq...
NT
null
COMPUTE
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW/COUNT_FIB_DIVISIBLE", "B3/COUNT_FIB_DIVISIBLE" ]
147494
nt_sum_divisors_mod_v1
null
7
0
[ "B3", "COUNT_FIB_DIVISIBLE", "MAX_PRIME_BELOW" ]
3
0.006
2026-02-08T16:39:19.071364Z
{ "verified": true, "answer": 546, "timestamp": "2026-02-08T16:39:19.077580Z" }
51b50e
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 195, "completion_tokens": 1870 }, "timestamp": "2026-02-17T08:26:24.545Z", "answer": 546 }, { ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "ok_later" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", ...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
d96c0a
alg_qf_psd_count_leq_v1_1218484723_3875
Let $Q$ be the number of ordered pairs $(a,b)$ of positive integers with $1 \le a \le 86$ and $1 \le b \le 86$ such that $$-36ab + K b^{2} + 12a^{2} \le 87576,$$ where $K$ is the number of ordered pairs $(a_1,b_1)$ of positive integers with $1 \le a_1 \le 40$ and $1 \le b_1 \le 40$ satisfying $$68a_1^{3}b_1 + L b_1^{4}...
6,513
graphs = [ Graph( let={ "_m": Const(68), "_n": Const(3), "result": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), Const(86)), Geq(Var("b"), Const(1)), Leq(Var("b"), Const(86)), Leq(Sum(Mul(Const...
ALG
null
COUNT
sympy
QF_PSD_COUNT
[ "QF_PSD_COUNT/POLY4_COUNT" ]
84aa99
alg_qf_psd_count_leq_v1
null
7
0
[ "POLY4_COUNT", "QF_PSD_COUNT" ]
2
0.044
2026-02-25T05:30:30.943040Z
{ "verified": true, "answer": 6513, "timestamp": "2026-02-25T05:30:30.987516Z" }
899892
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 370, "completion_tokens": 10739 }, "timestamp": "2026-03-29T12:42:26.963Z", "answer": 6413 }, { ...
1
[ { "lemma": "POLY4_COUNT", "status": "ok_later" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "QF_PSD_COUNT", "status": "ok" } ]
{ "lo": 3.81, "mid": 6.33, "hi": 9.49 }