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55bc19
algebra_quadratic_discriminant_v1_1978505735_2028
Let $m$ be the number of integers $j$ with $0 \leq j \leq 1536$ such that $\binom{1536}{j}$ is odd. Let $p$ be a positive integer, and define $n$ to be the number of such $p$ for which there exists a positive integer $q$ satisfying $p \cdot q = 54$, $\gcd(p, q) = 1$, and $p < q$. Let $s$ be the set of all ordered pairs...
0
graphs = [ Graph( let={ "_c": Const(1536), "_m": CountOverSet(set=SolutionsSet(var=Var("j"), condition=And(Geq(Var("j"), Const(0)), Leq(Var("j"), Const(1536)), Eq(Mod(value=Binom(n=Ref("_c"), k=Var("j")), modulus=Const(2)), Const(1))), domain='nonnegative_integers')), "_n...
NT
null
COMPUTE
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS/B3", "V8/COPRIME_PAIRS" ]
aecd9c
algebra_quadratic_discriminant_v1
null
6
0
[ "B3", "COPRIME_PAIRS", "V8" ]
3
0.008
2026-02-08T16:37:17.831717Z
{ "verified": true, "answer": 0, "timestamp": "2026-02-08T16:37:17.839282Z" }
228a38
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 265, "completion_tokens": 2446 }, "timestamp": "2026-02-17T08:51:36.009Z", "answer": 0 }, { ...
1
[ { "lemma": "B3", "status": "ok_later" }, { "lemma": "C2", "status": "no" }, { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "K17", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { ...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
ae2bbe
nt_min_crt_v1_397696148_1572
Let $m = 4$ and $k = 5$. Let $a = 3$ and $b = 4$. Define $S$ as the set of all integers $n$ such that $1 \leq n \leq 20$, $n \equiv 3 \pmod{4}$, and $n \equiv 4 \pmod{5}$. Let $r$ be the minimum element of $S$. Compute $r + \phi(|r| + 1) + \tau(|r| + 1)$, where $\phi(n)$ denotes Euler's totient function and $\tau(n)$ d...
33
graphs = [ Graph( let={ "m": Const(4), "k": Const(5), "a": Const(3), "b": Const(4), "upper": Const(20), "result": MinOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("upper")), Eq(Mod(value...
NT
null
EXTREMUM
sympy
MOBIUS_COPRIME
[ "MOBIUS_COPRIME", "B3" ]
233389
nt_min_crt_v1
null
4
0
[ "B3", "MOBIUS_COPRIME" ]
2
0.206
2026-02-08T12:38:57.903373Z
{ "verified": true, "answer": 33, "timestamp": "2026-02-08T12:38:58.108934Z" }
7adedf
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 185, "completion_tokens": 939 }, "timestamp": "2026-02-15T03:09:41.448Z", "answer": 33 }, { ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "K13", "status": "no" }, { "lemma": "MOBIUS_COPRIME", "status": "ok" }, { "lemma": "V5", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status": "no" }, { "lemma": "V...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
eeb685
nt_min_coprime_above_v1_1978505735_5675
Let $S$ be the set of all integers $t$ such that there exist integers $a$ and $b$ with $1 \leq a \leq 19$, $1 \leq b \leq 15$, $8 \leq t \leq 140$, and $t = 5a + 3b$. Let $n$ be the number of elements in $S$. Let $M$ be the number of ordered pairs $(i, j)$ of positive integers such that $i \leq 123$, $j \leq 123$, and ...
12,273
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=19)), Geq(left=Var(name='b'), right=Const(value...
NT
null
EXTREMUM
sympy
LIN_FORM
[ "LIN_FORM/COUNT_SUM_EQUALS" ]
8a3f7a
nt_min_coprime_above_v1
null
7
0
[ "COUNT_SUM_EQUALS", "LIN_FORM" ]
2
0.022
2026-02-08T19:09:38.805857Z
{ "verified": true, "answer": 12273, "timestamp": "2026-02-08T19:09:38.828051Z" }
4ca08d
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 212, "completion_tokens": 5255 }, "timestamp": "2026-02-18T21:32:08.977Z", "answer": 12273 }, ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok_later" }, { "lemma": "K17", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MOD_FACTORIAL", "stat...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
ab43ad
nt_count_divisors_in_range_v1_784195855_6740
Let $n = 45360$. Let $a$ be the number of integers $t$ such that $25 \leq t \leq 101$ and there exist integers $a$ and $b$ with $1 \leq a \leq 17$, $1 \leq b \leq 5$, and $t = 3a + 7b + 15$. Let $b = 3788$. Compute the number of positive divisors $d$ of $n$ such that $a \leq d \leq b$.
59
graphs = [ Graph( let={ "n": Const(45360), "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=17)), Geq(left=Va...
NT
null
COUNT
sympy
B3
[ "LIN_FORM" ]
7b2633
nt_count_divisors_in_range_v1
null
6
0
[ "B3", "LIN_FORM" ]
2
17.492
2026-02-08T08:50:08.797074Z
{ "verified": true, "answer": 59, "timestamp": "2026-02-08T08:50:26.288884Z" }
c620b5
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 158, "completion_tokens": 6695 }, "timestamp": "2026-02-13T22:02:41.972Z", "answer": 59 }, { ...
1
[ { "lemma": "K14", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "V8", "status": "no" } ]
{ "lo": -3.51, "mid": 1.33, "hi": 6.56 }
a9793c
nt_sum_phi_v1_548369836_61
Let $a = 54$ and $b = 35$. Define $m = \sum_{d \mid \gcd(a,b)} \mu(d)$, where $\mu$ is the M\"obius function. Let $e = \lambda(29) + 1$, where $\lambda$ is the Liouville function. Let $S$ be the set of positive integers $n$ such that $1 \le n \le 443m$. Compute the remainder when $48467$ times the sum of $\phi(n)$ over...
53,216
graphs = [ Graph( let={ "a": Const(54), "b": Const(35), "m": SumOverDivisors(n=GCD(a=Ref(name='a'), b=Ref(name='b')), var='d', expr=MoebiusMu(n=Var(name='d'))), "n": Const(29), "e": Sum(LiouvilleLambda(n=Ref(name='n')), Const(1)), "uppe...
NT
null
SUM
sympy
LIOUVILLE_MINUS_ONE
[ "LIOUVILLE_MINUS_ONE", "MOBIUS_COPRIME" ]
add503
nt_sum_phi_v1
null
6
2
[ "LIOUVILLE_MINUS_ONE", "MOBIUS_COPRIME" ]
2
0.024
2026-02-08T02:44:46.123245Z
{ "verified": true, "answer": 53216, "timestamp": "2026-02-08T02:44:46.147415Z" }
66ab70
CC BY 4.0
[ { "id": 4, "model": "NousResearch/Hermes-4-405B", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 186, "completion_tokens": 617 }, "timestamp": "2026-02-09T01:57:26.615Z", "answer": 48467 },...
0
[ { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "LIOUVILLE_MINUS_ONE", "status": "ok" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MOBIUS_COPRIME", "statu...
{ "lo": 2.6, "mid": 6.26, "hi": 10 }
0e1c45
modular_sum_quadratic_residues_v1_601307018_4557
Let $M$ be the number of ordered pairs $(a, b)$ of positive integers with $1 \leq a, b \leq 30$ such that $97a^4 - 292a^3b + 510a^2b^2 - 316ab^3 + 82b^4 = 5780241$. Let $p$ be the minimum value of $|x - y|$ over all ordered pairs $(x, y)$ of positive integers with $xy = 184200$. Let $R = \frac{p(p-1)}{M}$. Find the rem...
23,861
graphs = [ Graph( let={ "_m": Const(4), "_n": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), Const(30)), Geq(Var("b"), Const(1)), Leq(Var("b"), Const(30)), Eq(Sum(Mul(Const(82), Pow(Var("b"), Const(4))), Mu...
NT
null
SUM
sympy
POLY4_COUNT
[ "POLY4_COUNT/B3_DIFF" ]
7522fe
modular_sum_quadratic_residues_v1
null
6
0
[ "B3_DIFF", "POLY4_COUNT" ]
2
0.005
2026-03-10T05:12:47.891610Z
{ "verified": true, "answer": 23861, "timestamp": "2026-03-10T05:12:47.896867Z" }
2c4520
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": "2026-03-29T12:44:22.724Z", "answer": null }, { ...
1
[ { "lemma": "B3_DIFF", "status": "ok_later" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "MOD_MUL", "...
{ "lo": 3.34, "mid": 5.77, "hi": 8.89 }
4892c1
comb_count_permutations_fixed_v1_153355830_1726
Let $m = 9$. Let $s$ be the minimum value of $x + y$ over all ordered pairs $(x, y)$ of positive integers such that $xy = m$. Let $n$ be the maximum value of $xy$ over all ordered pairs $(x, y)$ of positive integers such that $x + y = s$. Let $k$ be the number of positive integers $p$ for which there exists a positive ...
5,544
graphs = [ Graph( let={ "_m": Const(9), "_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("_m")))), expr=Sum(Var("x"), Var("y")))), ...
NT
COMB
COUNT
sympy
LIN_FORM
[ "COPRIME_PAIRS", "B3/B1" ]
62f112
comb_count_permutations_fixed_v1
null
7
0
[ "B1", "B3", "COPRIME_PAIRS", "LIN_FORM" ]
4
0.018
2026-02-08T06:35:24.810346Z
{ "verified": true, "answer": 5544, "timestamp": "2026-02-08T06:35:24.828429Z" }
5fc799
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 199, "completion_tokens": 1893 }, "timestamp": "2026-02-13T02:26:34.584Z", "answer": 5544 }, {...
1
[ { "lemma": "B1", "status": "ok_later" }, { "lemma": "B3", "status": "ok" }, { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MAX_VAL", "stat...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
f425b9
nt_sum_totient_over_divisors_v1_677425708_1161
Let $n = 85239$. Define $S$ to be the set of all positive integers $t$ such that $7 \leq t \leq 317$ and there exist positive integers $a \leq 21$ and $b \leq 55$ satisfying $t = 2a + 5b$. Let $\varphi$ denote Euler's totient function, and define $$ r = \sum_{d \mid n} \varphi(d). $$ Let $m = |S|$, the number of elemen...
6,595
graphs = [ Graph( let={ "n": Const(85239), "result": SumOverDivisors(n=Ref(name='n'), var='d', expr=EulerPhi(n=Var(name='d'))), "Q": Mod(value=Sum(Mod(value=Ref("result"), modulus=CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Ex...
NT
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
d6c893
nt_sum_totient_over_divisors_v1
two_moduli
6
0
[ "LIN_FORM" ]
1
0.003
2026-02-08T04:01:24.635756Z
{ "verified": true, "answer": 6595, "timestamp": "2026-02-08T04:01:24.638916Z" }
2b8c5b
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 279, "completion_tokens": 2885 }, "timestamp": "2026-02-10T15:02:20.533Z", "answer": 6659 }, { ...
1
[ { "lemma": "K14", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": 1.96, "mid": 5.23, "hi": 8.52 }
7af2d9
diophantine_product_count_v1_2051736721_743
Let $k$ be the number of ordered pairs $(i, j)$ such that $1 \leq i \leq 15$ and $1 \leq j \leq 16$. Let $\text{upper} = 38$. Let $T$ be the set of all positive integers $x$ such that $1 \leq x \leq 38$, $x$ divides $k$, and $\frac{k}{x} \leq 38$. Let $r$ be the number of elements in $T$. Let $Q = 26244 + \sum_{i=0}^...
26,252
graphs = [ Graph( let={ "k": CountOverSet(set=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(15)), right=IntegerRange(start=Const(1), end=Const(16)))), "upper": Const(38), "result": CountOverSet(set=SolutionsSet(var=Var("x"), condition=And(Geq(Var("x"), Cons...
NT
null
COUNT
sympy
COUNT_CARTESIAN
[ "COUNT_CARTESIAN" ]
409d7d
diophantine_product_count_v1
null
6
0
[ "COUNT_CARTESIAN" ]
1
0.018
2026-02-08T15:39:12.142840Z
{ "verified": true, "answer": 26252, "timestamp": "2026-02-08T15:39:12.160476Z" }
7fd0cb
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 232, "completion_tokens": 821 }, "timestamp": "2026-02-16T11:08:49.222Z", "answer": 26252 }, {...
1
[ { "lemma": "COUNT_CARTESIAN", "status": "ok" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "V5", "stat...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
8bb078
sequence_lucas_compute_v1_1915831931_2094
Let $n$ be the largest positive divisor of 638 that does not exceed 22. Compute the $n$th Lucas number.
39,603
graphs = [ Graph( let={ "_n": Const(22), "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(638))))), "result": Lucas(arg=Ref(name='n')), }, goal=Ref("res...
NT
null
COMPUTE
sympy
MAX_DIVISOR
[ "MAX_DIVISOR" ]
51757e
sequence_lucas_compute_v1
null
3
0
[ "MAX_DIVISOR" ]
1
0.001
2026-02-08T16:36:36.131536Z
{ "verified": true, "answer": 39603, "timestamp": "2026-02-08T16:36:36.132399Z" }
d4b434
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 75, "completion_tokens": 765 }, "timestamp": "2026-02-17T07:42:05.146Z", "answer": 39603 }, { ...
1
[ { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "MAX_DIVISOR", "status": "ok" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": ...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
5b4d17
modular_inverse_v1_153355830_2192
Let $a$ be the number of ordered pairs $(x_1, x_2)$ of positive odd integers such that $x_1 + x_2 = 224$. Let $n = 19044$ and $m = 277$. Define $u$ to be the minimum value of $x + y$ over all ordered pairs $(x, y)$ of positive integers such that $xy = 19044$. Determine the value of the smallest positive integer $x$ suc...
47
graphs = [ Graph( let={ "_n": Const(19044), "a": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x1"), Var("x2")]), condition=And(IsPositive(arg=Var(name='x1')), IsPositive(arg=Var(name='x2')), IsOdd(arg=Var(name='x1')), IsOdd(arg=Var(name='x2')), Eq(Sum(Var("x1"), Var("x2")),...
NT
null
EXTREMUM
sympy
COMB1
[ "COMB1", "B3" ]
44bb30
modular_inverse_v1
null
6
0
[ "B3", "COMB1" ]
2
0.017
2026-02-08T06:57:51.440682Z
{ "verified": true, "answer": 47, "timestamp": "2026-02-08T06:57:51.457284Z" }
729dc8
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 173, "completion_tokens": 1455 }, "timestamp": "2026-02-13T06:42:09.486Z", "answer": 47 }, { ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COMB1", "status": "ok" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": ...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
048a6a
nt_count_coprime_v1_1520064083_1145
Let $k$ be the largest prime number less than or equal to $36$. Determine the number of positive integers $n \leq 58564$ such that $\gcd(n, k) = 1$.
56,675
graphs = [ Graph( let={ "upper": Const(58564), "k": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Const(36)), IsPrime(Var("n"))))), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1))...
NT
null
COUNT
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW" ]
dc3ad3
nt_count_coprime_v1
null
4
0
[ "MAX_PRIME_BELOW" ]
1
6.208
2026-02-08T03:48:36.827159Z
{ "verified": true, "answer": 56675, "timestamp": "2026-02-08T03:48:43.034867Z" }
ac7afc
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 155, "completion_tokens": 1297 }, "timestamp": "2026-02-10T15:46:29.512Z", "answer": 56675 }, { "...
1
[ { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "MOD_FACTORIAL", "status": "no"...
{ "lo": -5.55, "mid": -3.02, "hi": 0.31 }
6dae95_l
comb_catalan_compute_v1_784195855_17
Let $N$ be the number of ordered triples $(x_1,x_2,x_3)$ of positive integers such that each of $x_1,x_2,x_3$ is odd and $$x_1+x_2+x_3=7.$$ Let $K=\binom{6}{N}$ and let $$F=K!.$$ Let $C_{11}$ be the $11$th Catalan number, and let $$S=\sum_{n=F}^{\lvert C_{11}\rvert} d(n),$$ where $d(n)$ denotes the number of positive d...
0
COMB
null
COMPUTE
sympy
COMB1
[ "COMB1/ZERO_BINOM_N/ONE_FACTORIAL_0" ]
b96107
comb_catalan_compute_v1
sum_divisor_count
7
0
[ "COMB1", "ONE_FACTORIAL_0", "ZERO_BINOM_N" ]
3
0.003
2026-02-08T02:54:14.193493Z
{ "verified": false, "answer": 62818, "timestamp": "2026-02-08T02:54:14.196332Z" }
c5d351
6dae95
legacy_text
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 274, "completion_tokens": 32768 }, "timestamp": "2026-02-23T19:52:51.246Z", "answer": null }, { ...
0
[ { "lemma": "COMB1", "status": "ok" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "ON...
{ "lo": 6.44, "mid": 8.24, "hi": 10 }
21266c
modular_inverse_v1_458359167_5483
Let $a = 124$ and $m = 199$. Let $N$ be the number of ordered pairs $(i,j)$ of integers with $1 \le i \le 199$ and $1 \le j \le 199$ such that $i + j = 199$. Compute the smallest positive integer $x$ such that $1 \le x \le N$ and $ax \equiv 1 \pmod{m}$.
130
graphs = [ Graph( let={ "a": Const(124), "m": Const(199), "upper": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=Eq(Sum(Var("i"), Var("j")), Const(199)), domain=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(199)), right=I...
NT
null
EXTREMUM
sympy
COUNT_SUM_EQUALS
[ "COUNT_SUM_EQUALS" ]
75ab0f
modular_inverse_v1
null
4
0
[ "COUNT_SUM_EQUALS" ]
1
0.014
2026-02-08T12:33:00.729193Z
{ "verified": true, "answer": 130, "timestamp": "2026-02-08T12:33:00.743471Z" }
4cf307
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 140, "completion_tokens": 1178 }, "timestamp": "2026-02-15T02:02:10.961Z", "answer": 130 }, { ...
1
[ { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "K15", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -6.96, "mid": -4.56, "hi": -1.46 }
a984b1
comb_catalan_compute_v1_151522320_1332
Let $t$ be an integer such that $21 \leq t \leq 45$ and there exist integers $a$ and $b$ with $1 \leq a \leq 4$, $1 \leq b \leq 3$, and $t = 4a + 6b + 11$. Let $n$ be the number of such integers $t$. Compute the $n$-th Catalan number.
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=4)), Geq(left=Var(name='b'), right=Const(value=1...
COMB
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
comb_catalan_compute_v1
null
5
0
[ "LIN_FORM" ]
1
0.001
2026-02-08T03:53:20.856606Z
{ "verified": true, "answer": 58786, "timestamp": "2026-02-08T03:53:20.858030Z" }
e9597e
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 206, "completion_tokens": 1368 }, "timestamp": "2026-02-10T16:19:39.602Z", "answer": 58786 }, { "...
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": -2.46, "mid": 0.47, "hi": 3.59 }
ce7de0
modular_sum_quadratic_residues_v1_1978505735_5668
Let $n = 437$ and let $p$ be the largest prime number less than or equal to $n$. Compute the value of $\frac{p(p-1)}{4}$.
46,764
graphs = [ Graph( let={ "_n": Const(437), "p": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Ref("_n")), IsPrime(Var("n"))))), "result": Div(Mul(Ref("p"), Sub(Ref("p"), Const(1))), Const(4)), }, goal=Ref("re...
NT
null
SUM
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW" ]
dc3ad3
modular_sum_quadratic_residues_v1
null
3
0
[ "MAX_PRIME_BELOW" ]
1
0.001
2026-02-08T19:09:08.304442Z
{ "verified": true, "answer": 46764, "timestamp": "2026-02-08T19:09:08.305776Z" }
5688f7
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 85, "completion_tokens": 2180 }, "timestamp": "2026-02-18T21:30:30.722Z", "answer": 46764 }, {...
1
[ { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "V3", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
a8318d
nt_count_divisible_v1_677425708_426
Let $A$ be the set of positive integers $n \leq 45796$ that are divisible by $6$. Let $N$ be the number of elements in $A$. Let $B$ be the set of ordered pairs of positive integers $(x, y)$ such that $x + y = 78$, and let $c$ be the maximum value of $xy$ over all such pairs. Compute the remainder when $N^2 + 11N + c$...
45,985
graphs = [ Graph( let={ "_n": Const(11), "upper": Const(45796), "divisor": Const(6), "result": CountOverSet(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")), Const...
NT
null
COUNT
sympy
B1
[ "B1" ]
bf138c
nt_count_divisible_v1
quadratic_mod
5
0
[ "B1" ]
1
1.443
2026-02-08T03:32:42.393273Z
{ "verified": true, "answer": 45985, "timestamp": "2026-02-08T03:32:43.836292Z" }
382a95
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 222, "completion_tokens": 954 }, "timestamp": "2026-02-08T20:34:10.798Z", "answer": 45985 }, { "i...
1
[ { "lemma": "B1", "status": "ok" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "V8_SUM", "status": "no"...
{ "lo": -3.46, "mid": 1.03, "hi": 5.49 }
778a2d
lin_form_endings_v1_1820931509_655
Let $a = 24$, $b = 32$, $A = 43$, and $B = 18$. Let $g = \gcd(a, b)$, and define $a' = \left\lfloor \frac{a}{g} \right\rfloor$ and $b' = \left\lfloor \frac{b}{g} \right\rfloor$. The size of a certain set $T$ is given by $a'A + b'B - a'b'$. The total number of elements under consideration is $aA + bB - a - b + 1$. Compu...
1,364
graphs = [ Graph( let={ "a_coeff": Const(24), "b_coeff": Const(32), "A_val": Const(43), "B_val": Const(18), "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
2026-02-08T11:49:00.881168Z
{ "verified": true, "answer": 1364, "timestamp": "2026-02-08T11:49:00.883224Z" }
4ff86b
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 183, "completion_tokens": 595 }, "timestamp": "2026-02-14T18:50:39.625Z", "answer": 1364 }, { ...
1
[ { "lemma": "C2", "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": "no" } ]
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
d3d7c4
comb_catalan_compute_v1_1116507919_256
Let $n$ be the number of integers $t$ with $15 \leq t \leq 51$ for which there exist positive integers $a$ and $b$, with $1 \leq a \leq 3$ and $1 \leq b \leq 4$, such that $t = 9a + 6b$. Compute the remainder when $64279 \cdot C_n$ is divided by $62305$, where $C_n$ denotes the $n$-th Catalan number.
31,654
graphs = [ Graph( let={ "_n": Const(64279), "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...
COMB
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
comb_catalan_compute_v1
null
3
0
[ "LIN_FORM" ]
1
0.002
2026-02-08T02:30:05.374704Z
{ "verified": true, "answer": 31654, "timestamp": "2026-02-08T02:30:05.376477Z" }
bc7c1c
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 227, "completion_tokens": 2750 }, "timestamp": "2026-02-08T19:20:18.444Z", "answer": 31654 }, { "...
1
[ { "lemma": "COUNT_INTEGER_RANGE", "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": 1.06, "mid": 2.45, "hi": 3.73 }
3fc908
comb_bell_compute_v1_784195855_8311
Let $m = 64$. Let $n_0$ be the minimum value of $x + y$ over all ordered pairs $(x, y)$ of positive integers such that $xy = m$. Let $n$ be the minimum value of $x + y$ over all ordered pairs $(x, y)$ of positive integers such that $xy = n_0$. Compute the Bell number $B_n$.
4,140
graphs = [ Graph( let={ "_m": Const(64), "_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("_m")))), expr=Sum(Var("x"), Var("y")))), ...
COMB
null
COMPUTE
sympy
B3
[ "B3/B3" ]
8ffef9
comb_bell_compute_v1
null
6
0
[ "B3" ]
1
0.002
2026-02-08T16:00:20.413123Z
{ "verified": true, "answer": 4140, "timestamp": "2026-02-08T16:00:20.414878Z" }
3e607c
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 195, "completion_tokens": 635 }, "timestamp": "2026-02-24T19:31:14.704Z", "answer": 4140 }, { "i...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "V8_SUM", "status":...
{ "lo": -8, "mid": -4.75, "hi": -2.28 }
002b3a
geo_visible_lattice_v1_2051736721_701
Let $n = 89$. Define $L$ to be the number of ordered pairs $(x, y)$ of positive integers such that $1 \leq x, y \leq n$ and $\gcd(x, y) = 1$. Compute the remainder when $2000 - L$ is divided by $60874$.
57,963
graphs = [ Graph( let={ "n": Const(89), "result": VisibleLatticePoints(n=Ref(name='n')), "_c": Const(2000), "Q": Mod(value=Sub(Ref("_c"), Ref("result")), modulus=Const(60874)), }, goal=Ref("Q"), ) ]
GEOM
null
COUNT
sympy
[]
geo_visible_lattice_v1
null
4
0
null
null
0.352
2026-02-08T15:38:40.982207Z
{ "verified": true, "answer": 57963, "timestamp": "2026-02-08T15:38:41.334100Z" }
7ac1df
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 180, "completion_tokens": 3757 }, "timestamp": "2026-02-24T18:09:20.262Z", "answer": 57963 }, { ...
1
[]
{ "lo": 1.98, "mid": 5.23, "hi": 8.52 }
a30d59
antilemma_k3_v1_1470522791_1850
Compute the sum of $\phi(d)$ over all positive divisors $d$ of $59269$, where $\phi$ denotes Euler's totient function.
59,269
graphs = [ Graph( let={ "x": SumOverDivisors(n=Const(value=59269), 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
2026-02-08T14:00:47.609304Z
{ "verified": true, "answer": 59269, "timestamp": "2026-02-08T14:00:47.609762Z" }
33ddee
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 77, "completion_tokens": 2483 }, "timestamp": "2026-02-15T23:45:39.036Z", "answer": 59269 }, {...
1
[ { "lemma": "K18", "status": "no" }, { "lemma": "K3", "status": "ok" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "V1", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
8ee0ad_l
diophantine_fbi2_count_v1_397696148_2320
Let $d$ be a positive integer. Determine the number of values of $d$ such that $3 \leq d \leq 57$, $d$ divides $120$, and the quotient $\frac{120}{d}$ satisfies $3 \leq \frac{120}{d} \leq 57$. Compute this number.
11
NT
null
COUNT
sympy
COMB1
[ "COMB1" ]
567f58
diophantine_fbi2_count_v1
null
3
0
[ "COMB1" ]
1
0.007
2026-02-08T13:06:41.555968Z
{ "verified": false, "answer": 12, "timestamp": "2026-02-08T13:06:41.562664Z" }
ed228e
8ee0ad
legacy_text
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 115, "completion_tokens": 1176 }, "timestamp": "2026-02-15T09:19:46.280Z", "answer": 12 }, { ...
1
[ { "lemma": "COMB1", "status": "ok" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" } ...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
3aba4d
nt_count_intersection_v1_1080341949_197
Let $N$ be the number of positive integers $t$ such that $14 \leq t \leq 5015$ and there exist positive integers $a$ and $b$ with $1 \leq a \leq 2413$, $1 \leq b \leq 60$, and $t = 2a + 3b + 9$. Let $a = \sum_{k=1}^{2} k$ and $b = 14$. Compute the number of positive integers $n$ such that $1 \leq n \leq N$, $a$ divides...
714
graphs = [ Graph( let={ "_n": Const(2), "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=2413)), Geq(left=Var...
NT
null
COUNT
sympy
SUM_ARITHMETIC
[ "SUM_ARITHMETIC", "LIN_FORM" ]
7209d0
nt_count_intersection_v1
null
6
0
[ "LIN_FORM", "SUM_ARITHMETIC" ]
2
0.421
2026-02-08T13:18:03.299801Z
{ "verified": true, "answer": 714, "timestamp": "2026-02-08T13:18:03.720743Z" }
86cbad
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 182, "completion_tokens": 4861 }, "timestamp": "2026-02-15T12:18:47.483Z", "answer": 714 }, { ...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "SUM_ARITHMETIC", "s...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
98bdae
antilemma_coprime_grid_v1_1742523217_743
Let $x$ be the number of ordered pairs $(i, j)$ of positive integers with $1 \leq i \leq 6$ and $1 \leq j \leq 91$ such that $\gcd(i, j) = 1$. Find the remainder when $44121x$ is divided by $91054$.
57,036
graphs = [ Graph( let={ "x": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=Eq(GCD(a=Var("i"), b=Var("j")), Const(1)), domain=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(6)), right=IntegerRange(start=Const(1), end=Const(91))))), "Q"...
NT
COMB
COMPUTE
sympy
COPRIME_PAIRS
[ "COUNT_COPRIME_GRID" ]
20ec03
antilemma_coprime_grid_v1
null
4
0
[ "COPRIME_PAIRS", "COUNT_COPRIME_GRID" ]
2
0.01
2026-02-08T03:11:52.022560Z
{ "verified": true, "answer": 57036, "timestamp": "2026-02-08T03:11:52.033026Z" }
4584b7
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 183, "completion_tokens": 3310 }, "timestamp": "2026-02-09T22:02:18.745Z", "answer": 56236 }, { ...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "ok" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": 1.69, "mid": 5.03, "hi": 8.38 }
2803d7
sequence_lucas_compute_v1_397696148_2769
Let $ n = \sum_{k=1}^{6} k $. Let $ L_n $ denote the $ n $-th Lucas number, where $ L_1 = 1 $, $ L_2 = 3 $, and $ L_k = L_{k-1} + L_{k-2} $ for $ k \geq 3 $. Compute the remainder when $ 82303 \cdot L_n $ is divided by $ 61861 $.
6,624
graphs = [ Graph( let={ "_n": Const(6), "n": Summation(var="k", start=Const(1), end=Ref("_n"), expr=Var("k")), "result": Lucas(arg=Ref(name='n')), "Q": Mod(value=Mul(Const(82303), Ref("result")), modulus=Const(61861)), }, goal=Ref("Q"), ) ]
NT
null
COMPUTE
sympy
SUM_ARITHMETIC
[ "SUM_ARITHMETIC" ]
eb34f0
sequence_lucas_compute_v1
null
3
0
[ "SUM_ARITHMETIC" ]
1
0.001
2026-02-08T13:32:49.947686Z
{ "verified": true, "answer": 6624, "timestamp": "2026-02-08T13:32:49.948579Z" }
e4e6d4
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 144, "completion_tokens": 1500 }, "timestamp": "2026-02-16T00:04:06.397Z", "answer": 6624 }, {...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "SUM_ARITHMETIC", "status": "ok" }, { "lemma": "V7", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
3430c6
nt_max_prime_below_v1_1915831931_1459
Let $A$ be the set of all positive integers $p$ for which there exists a positive integer $q$ such that $pq = 54$, $\gcd(p, q) = 1$, and $p < q$. Let $L = |A|$, the number of elements in $A$. Let $B$ be the set of all prime numbers $n$ such that $L \leq n \leq 25281$. Let $M$ be the maximum element of $B$. Define $Q = ...
15,590
graphs = [ Graph( let={ "upper": Const(25281), "result": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("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'), V...
NT
null
EXTREMUM
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS" ]
2bb3aa
nt_max_prime_below_v1
null
4
0
[ "COPRIME_PAIRS" ]
1
0.8
2026-02-08T16:09:12.488725Z
{ "verified": true, "answer": 15590, "timestamp": "2026-02-08T16:09:13.288258Z" }
221483
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 175, "completion_tokens": 3952 }, "timestamp": "2026-02-16T21:49:40.362Z", "answer": 15590 }, ...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "K14", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "V5", "status": "no" }, { "lemma": "V8", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
310ad3
nt_sum_divisors_mod_v1_1520064083_1325
Let $S$ be the set of all ordered pairs $(x, y)$ of positive integers such that $xy = 396900$. For each pair $(x, y)$ in $S$, compute $x + y$. Let $n$ be the minimum value of $x + y$ over all such pairs. Let $\sigma(n)$ denote the sum of all positive divisors of $n$. Find the remainder when $\sigma(n)$ is divided by $1...
4,368
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(396900)))), expr=Sum(Var("x"), Var("y")))), "M": Const(10331...
NT
null
COMPUTE
sympy
B3
[ "B3" ]
0cd20d
nt_sum_divisors_mod_v1
null
6
0
[ "B3" ]
1
0.002
2026-02-08T03:55:32.497302Z
{ "verified": true, "answer": 4368, "timestamp": "2026-02-08T03:55:32.499266Z" }
a62470
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": 1107 }, "timestamp": "2026-02-10T16:11:08.147Z", "answer": 4368 }, { "i...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8_SUM", "status": "no" }...
{ "lo": -5.55, "mid": -3.02, "hi": 0.31 }
d976af
algebra_quadratic_discriminant_v1_865884756_1617
Let $m = 2$. Let $S$ be the set of all ordered pairs $(x, y)$ of positive integers such that $x + y = 4$. Let $n$ be the maximum value of $xy$ over all such pairs. Define $a = 3$, $b = 10$, and $c = -6$. Let $P$ be the set of all ordered pairs of positive integers $(p, q)$ such that $pq = 108$, $\gcd(p, q) = 1$, and $p...
2
graphs = [ Graph( let={ "_m": Const(2), "_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")), Const(4)))), expr=Mul(Var("x"), Var("y")))), ...
NT
null
COMPUTE
sympy
B1
[ "B1/COPRIME_PAIRS" ]
219c61
algebra_quadratic_discriminant_v1
null
6
0
[ "B1", "COPRIME_PAIRS" ]
2
0.007
2026-02-08T16:11:26.628632Z
{ "verified": true, "answer": 2, "timestamp": "2026-02-08T16:11:26.635172Z" }
dfedd6
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 254, "completion_tokens": 357 }, "timestamp": "2026-02-16T07:11:39.785Z", "answer": 2 }, { "id": 11, "...
2
[ { "lemma": "B1", "status": "ok" }, { "lemma": "COPRIME_PAIRS", "status": "ok_later" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "L3b", "status": ...
{ "lo": -10, "mid": -7.27, "hi": -4.54 }
552334_n
comb_count_derangements_v1_1218484723_5419
A game designer creates puzzles where players must unlock a sequence of $n$ switches, each labeled 1 through $n$, such that no switch is in its original position — a derangement. The value of $n$ is determined by counting how many distinct target scores $t$ between 16 and 25 inclusive can be formed as $t = 2a + 3b + 11...
8,409
COMB
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
comb_count_derangements_v1
null
4
null
[ "LIN_FORM" ]
1
0.002
2026-02-25T06:59:26.218696Z
null
ac472f
552334
narrative
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": 2580 }, "timestamp": "2026-03-30T23:25:39.631Z", "answer": 8409 }, { "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": "LIN_FORM", "status": "ok" }, { "lemma": ...
{ "lo": -5.37, "mid": 0.23, "hi": 5.22 }
e3318d
nt_min_phi_inverse_v1_655260480_4916
Let $T$ be the set of all integers $t$ with $42 \leq t \leq 291$ for which there exist positive integers $a \leq 5$ and $b \leq 12$ such that $t = 21a + 15b + 6$. Let $k = 18$. Let $n$ be the smallest positive integer at most $|T|$ such that $\phi(n) = k$. Compute the remainder when $98348 \cdot n$ is divided by $77183...
16,220
graphs = [ Graph( let={ "upper": 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(val...
NT
null
EXTREMUM
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
nt_min_phi_inverse_v1
null
6
0
[ "LIN_FORM" ]
1
0.007
2026-02-08T18:12:51.344441Z
{ "verified": true, "answer": 16220, "timestamp": "2026-02-08T18:12:51.351310Z" }
1f379f
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 158, "completion_tokens": 2996 }, "timestamp": "2026-02-18T15:04:27.187Z", "answer": 16220 }, ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V5", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
c50422
nt_min_phi_inverse_v1_1742523217_5162
Let $k$ be the largest integer such that $2^k \leq 4531829$. Let $S$ be the set of ordered pairs $(i, j)$ of integers with $1 \leq i \leq 50$ and $1 \leq j \leq 50$ such that $i + j = 51$. The number of elements in $S$ is denoted by $|S|$. Find the smallest positive integer $n \leq |S|$ such that $\phi(n) = k$, where $...
64,135
graphs = [ Graph( let={ "_n": Const(2), "upper": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=Eq(Sum(Var("i"), Var("j")), Const(51)), domain=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(50)), right=IntegerRange(start=Const(1), end=...
NT
null
EXTREMUM
sympy
COUNT_SUM_EQUALS
[ "COUNT_SUM_EQUALS", "MAX_VAL" ]
18ab07
nt_min_phi_inverse_v1
null
7
0
[ "COUNT_SUM_EQUALS", "MAX_VAL" ]
2
0.012
2026-02-08T10:50:31.114458Z
{ "verified": true, "answer": 64135, "timestamp": "2026-02-08T10:50:31.126762Z" }
3f4c50
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 197, "completion_tokens": 2545 }, "timestamp": "2026-02-14T09:00:26.215Z", "answer": 64135 }, ...
1
[ { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K16", "status": "same_pattern_wrong" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_VAL", "status": "ok...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
ffb054
alg_telescope_v1_601307018_1821
Let $B_n$ denote the $n$-th Bell number. Let $S = \left|\{ t : \text{there exist integers } a, b \text{ with } 1 \leq a \leq 153,\ 1 \leq b \leq 1765 \text{ such that } t = 12a + 15b,\ 27 \leq t \leq 28311 \right\}\right|$. Define $M = \left( \sum_{k=0}^{106} (3k^2 + 3k + 1) \right) \bmod S$. Let $Q = B_{M \bmod 11}$. ...
4,140
graphs = [ Graph( let={ "_n": Const(2), "result": Mod(value=Summation(var="k", start=Const(0), end=Const(106), expr=Sum(Mul(Const(3), Pow(Var("k"), Ref("_n"))), Mul(Const(3), Var("k")), Const(1))), modulus=CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a')...
COMB
COMB
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
alg_telescope_v1
null
6
0
[ "LIN_FORM" ]
1
0.266
2026-03-10T02:33:46.662391Z
{ "verified": true, "answer": 4140, "timestamp": "2026-03-10T02:33:46.928868Z" }
a97995
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 264, "completion_tokens": 25545 }, "timestamp": "2026-03-29T03:31:28.767Z", "answer": 1 }, { "...
1
[ { "lemma": "C2", "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": "V8", "st...
{ "lo": 0.86, "mid": 3.78, "hi": 5.89 }
bb0be5
algebra_quadratic_discriminant_v1_1978505735_705
Let $a = -2$, $b = -8$, and $c = 10$. Define $\Delta = b^2 - 4ac$. Compute the value of $$\sum_{n=1}^{|\Delta|} \phi(n),$$ where $\phi(n)$ denotes Euler's totient function. Find the value of this sum.
6,330
graphs = [ Graph( let={ "a": Const(-2), "b": Const(-8), "c": Const(10), "result": Sub(Pow(Ref("b"), Const(2)), Mul(Const(4), Ref("a"), Ref("c"))), "Q": Summation(var="n", start=Const(1), end=Abs(arg=Ref(name='result')), expr=EulerPhi(n=Var("n"))), ...
NT
null
COMPUTE
sympy
COUNT_SUM_EQUALS
[ "COUNT_SUM_EQUALS" ]
75ab0f
algebra_quadratic_discriminant_v1
null
4
0
[ "COUNT_SUM_EQUALS" ]
1
0.047
2026-02-08T15:33:09.809365Z
{ "verified": true, "answer": 6330, "timestamp": "2026-02-08T15:33:09.855956Z" }
bf1c49
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": 2549 }, "timestamp": "2026-02-16T08:19:14.669Z", "answer": 6330 }, {...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "V8", "status...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
ffba15
antilemma_sum_equals_v1_1439011603_1222
Let $n$ be the number of integers $t$ such that $11 \leq t \leq 95$ and there exist positive integers $a$ and $b$ with $1 \leq a \leq 9$, $1 \leq b \leq 8$, and $t = 7a + 4b$. Let $x$ be the number of ordered pairs $(i, j)$ of positive integers such that $1 \leq i \leq 65$, $1 \leq j \leq 66$, and $i + j = n$. Compute ...
65
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=9)), Geq(left=Var(name='b'), right=Const(value=...
COMB
GEOM
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM/COUNT_SUM_EQUALS", "COUNT_SUM_EQUALS" ]
ada383
antilemma_sum_equals_v1
null
4
0
[ "COUNT_SUM_EQUALS", "LIN_FORM" ]
2
0.008
2026-02-08T15:58:46.700006Z
{ "verified": true, "answer": 65, "timestamp": "2026-02-08T15:58:46.707681Z" }
f41bdd
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 241, "completion_tokens": 3574 }, "timestamp": "2026-02-24T19:27:02.729Z", "answer": 65 }, { "id...
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": "LIN_FORM", "status": "ok" }, { "lemma": ...
{ "lo": -4.1, "mid": -1.76, "hi": 1.3 }
eb5787
modular_min_modexp_v1_124444284_9263
Let $a = 13$, and let $b$ be the sum of all real solutions to the equation $x^2 - 682x + 52777 = 0$. Let $m = 709$. Define $u$ to be the number of positive integers $n$, where $1 \le n \le 1180$, such that $n \equiv \left\lfloor \frac{n}{2} \right\rfloor \pmod{5}$. Find the smallest positive integer $x$ such that $1 \l...
158
graphs = [ Graph( let={ "a": Const(13), "b": SumOverSet(set=SolutionsSet(var=Var("x"), condition=Eq(Sum(Pow(Var("x"), Const(2)), Mul(Const(-682), Var("x")), Const(52777)), Const(0)))), "m": Const(709), "upper": CountOverSet(set=SolutionsSet(var=Var("n"), condi...
NT
null
EXTREMUM
sympy
VIETA_SUM
[ "VIETA_SUM", "L3C" ]
e98a55
modular_min_modexp_v1
null
7
0
[ "L3C", "VIETA_SUM" ]
2
0.014
2026-02-08T12:20:31.207468Z
{ "verified": true, "answer": 158, "timestamp": "2026-02-08T12:20:31.221393Z" }
709b6e
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 182, "completion_tokens": 7962 }, "timestamp": "2026-02-15T00:18:07.555Z", "answer": 158 }, { ...
1
[ { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "L3C", "status": "ok" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, ...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
33473a
nt_min_coprime_above_v1_124444284_5385
Let $S$ be the set of all integers $t$ such that $10 \leq t \leq 4413$ and there exist positive integers $a$ and $b$ with $1 \leq a \leq 1415$, $1 \leq b \leq 24$, and $t = 3a + 7b$. Let $s = 4181$ and $m = 201$. Define $u = |S|$. Let $n_0$ be the smallest integer $n$ such that $n > s$, $n \leq u$, and $\gcd(n, m) = 1$...
27,308
graphs = [ Graph( let={ "start": Const(4181), "upper": 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=1415)), Ge...
NT
null
EXTREMUM
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
nt_min_coprime_above_v1
null
6
0
[ "LIN_FORM" ]
1
0.02
2026-02-08T06:34:12.343563Z
{ "verified": true, "answer": 27308, "timestamp": "2026-02-08T06:34:12.363328Z" }
998bab
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 211, "completion_tokens": 4304 }, "timestamp": "2026-02-13T01:28:29.860Z", "answer": 27308 }, ...
1
[ { "lemma": "L3c", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status":...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
4d36eb
geo_count_lattice_rect_v1_655260480_2146
Compute the number of lattice points $(x,y)$ such that $0 \leq x \leq 333$ and $0 \leq y \leq 208$. Let this number be $L$. Find the value of $78961 - L$.
9,155
graphs = [ Graph( let={ "a": Const(333), "b": Const(208), "result": LatticePointsRect(a=Ref(name='a'), b=Ref(name='b')), "_c": Const(78961), "Q": Sub(Ref("_c"), Ref("result")), }, goal=Ref("Q"), ) ]
GEOM
null
COUNT
sympy
[]
geo_count_lattice_rect_v1
null
3
0
null
null
0.001
2026-02-08T16:35:18.645189Z
{ "verified": true, "answer": 9155, "timestamp": "2026-02-08T16:35:18.646062Z" }
b446cd
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": 371 }, "timestamp": "2026-02-17T07:01:53.202Z", "answer": 9155 }, { ...
1
[]
{ "lo": -5.64, "mid": -3.17, "hi": -0.81 }
b21ef9_n
geo_count_lattice_rect_v1_601307018_6303
A city grid extends from avenue 0 to avenue 90 and from street 0 to street 80. Each intersection is a lattice point. How many intersections are there in this grid?
7,371
graphs = [ Graph( let={ "a": Const(90), "b": Const(80), "result": LatticePointsRect(a=Ref(name='a'), b=Ref(name='b')), }, goal=Ref("result"), ) ]
GEOM
GEOM
COUNT
sympy
[]
geo_count_lattice_rect_v1
null
2
null
null
null
0.001
2026-03-10T06:54:49.642344Z
null
f4b07e
b21ef9
narrative
CC BY 4.0
[ { "id": 36, "model": "qwen2.5:3b-32k", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 96, "completion_tokens": 471 }, "timestamp": "2026-04-23T12:05:12.198Z", "answer": 7371 } ]
2
[]
{ "lo": -10, "mid": -5.89, "hi": -1.79 }
43bcde
comb_count_derangements_v1_677425708_1681
Let $a = 2$ and $b = 3$. Define $n_2 = a + b$. Let $$v = \sum_{k=0}^{n_2} (-1)^k \binom{n_2}{k}.$$ Let $u = 4$, and define $n_1 = u + \binom{4}{4} + v$. Let $$t = \sum_{k=0}^{n_1} (-1)^k \binom{n_1}{k}.$$ Let $n = 8$, and let $D_n$ denote the number of derangements of $n$ objects. Compute the remainder when $(66619 + t...
44,047
graphs = [ Graph( let={ "a": Const(2), "b": Const(3), "n2": Sum(Ref("a"), Ref("b")), "v": Summation(var="k", start=Const(0), end=Ref("n2"), expr=Mul(Pow(Const(-1), Var("k")), Binom(n=Ref("n2"), k=Var("k")))), "u": Const(4), "n1": Sum(Re...
COMB
null
COUNT
sympy
BINOMIAL_ALTERNATING
[ "BINOMIAL_ALTERNATING", "ONE_BINOM_N" ]
961fba
comb_count_derangements_v1
null
4
2
[ "BINOMIAL_ALTERNATING", "ONE_BINOM_N" ]
2
0.001
2026-02-08T04:22:25.351484Z
{ "verified": true, "answer": 44047, "timestamp": "2026-02-08T04:22:25.352906Z" }
847f3b
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 269, "completion_tokens": 2096 }, "timestamp": "2026-02-09T23:16:25.080Z", "answer": 44047 }, { "...
1
[ { "lemma": "BINOMIAL_ALTERNATING", "status": "ok" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "ONE_BINOM_N", "status": "ok" }, { "l...
{ "lo": -2.46, "mid": 0.47, "hi": 3.59 }
ac2bb8
nt_min_phi_inverse_v1_865884756_6372
Let $k$ be the largest integer such that $2^k \leq 7026685$. Let $n$ be the smallest positive integer at most 50 for which $\phi(n) = k$. Compute $n$.
23
graphs = [ Graph( let={ "upper": Const(50), "k": MaxOverSet(set=SolutionsSet(var=Var("k1"), condition=Leq(Pow(Const(2), Var("k1")), Const(7026685)))), "result": MinOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("upper")), E...
NT
null
EXTREMUM
sympy
MAX_VAL
[ "MAX_VAL" ]
1da621
nt_min_phi_inverse_v1
null
6
0
[ "MAX_VAL" ]
1
0.008
2026-02-08T19:10:07.162539Z
{ "verified": true, "answer": 23, "timestamp": "2026-02-08T19:10:07.170765Z" }
8dbe82
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 93, "completion_tokens": 1770 }, "timestamp": "2026-02-18T21:27:24.214Z", "answer": 23 }, { ...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K16", "status": "same_pattern_wrong" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MAX_VAL", "status": "ok" }, { "lemma": "MOD_FACTORIAL", ...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
cecf73
geo_count_lattice_rect_v1_601307018_9123
Find the number of lattice points $(x, y)$ with $0 \le x \le 360$ and $0 \le y \le 129$.
46,930
graphs = [ Graph( let={ "a": Const(360), "b": Const(129), "result": LatticePointsRect(a=Ref(name='a'), b=Ref(name='b')), }, goal=Ref("result"), ) ]
GEOM
GEOM
COUNT
sympy
[]
geo_count_lattice_rect_v1
null
3
0
null
null
0.001
2026-03-10T09:30:03.075085Z
{ "verified": true, "answer": 46930, "timestamp": "2026-03-10T09:30:03.076314Z" }
6c4b18
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 143, "completion_tokens": 318 }, "timestamp": "2026-04-19T10:41:35.658Z", "answer": 46930 }, { "...
2
[]
{ "lo": -10, "mid": -5.89, "hi": -1.79 }
40ea5d
alg_qf_psd_min_v1_601307018_5323
Let $R$ be the largest positive integer $d$ such that $d^2 \le 17947$ and $d \mid 17947$. Let $S$ be the minimum value of $x + y$ over all ordered pairs $(x, y)$ of positive integers with $x \le y$ and $xy = 394384$. Let $Q$ be the minimum value of $\min\{ |x_1 - y_1| : x_1, y_1 > 0,\ x_1 y_1 = 3166385 \} \cdot b^2 + S...
2,512
graphs = [ Graph( let={ "_d": Const(2), "_c": Const(2), "_m": MaxOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(1)), Divides(divisor=Var("d"), dividend=Const(17947)), Leq(Mul(Var("d"), Var("d")), Const(17947))))), "_n": MinOverSet(set...
NT
null
COMPUTE
sympy
B3
[ "B3/MIN_PRIME_FACTOR", "B3_CLOSEST/B3", "B3_DIFF" ]
152dcf
alg_qf_psd_min_v1
null
7
0
[ "B3", "B3_CLOSEST", "B3_DIFF", "MIN_PRIME_FACTOR" ]
4
0.094
2026-03-10T05:59:27.456590Z
{ "verified": true, "answer": 2512, "timestamp": "2026-03-10T05:59:27.550875Z" }
28c3ea
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 302, "completion_tokens": 18438 }, "timestamp": "2026-04-19T01:50:25.080Z", "answer": 2512 }, { ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "B3_CLOSEST", "status": "ok" }, { "lemma": "B3_DIFF", "status": "ok" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K17", "status": "no" }, { ...
{ "lo": 2.12, "mid": 5.37, "hi": 8.63 }
c01bf2
diophantine_fbi2_min_v1_124444284_176
Let $d$ be the smallest integer such that $2 \le d \le 20$, $d$ divides $10$, and $\frac{10}{d} \ge 3$. Let $p$ range over the positive integers for which there exists an integer $q > p$ such that $pq = 24$ and $\gcd(p, q) = 1$. Compute $d^{k} + 11d + 1225$, where $k$ is the number of such integers $p$.
1,251
graphs = [ Graph( let={ "k": Const(10), "upper": Const(20), "result": MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(2)), Leq(Var("d"), Ref("upper")), Divides(divisor=Var("d"), dividend=Ref("k")), Geq(Div(Ref("k"), Var("d")), Const(3))))), ...
NT
null
EXTREMUM
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS" ]
14fbb8
diophantine_fbi2_min_v1
quadratic_mod
4
0
[ "COPRIME_PAIRS" ]
1
0.009
2026-02-08T03:02:18.009590Z
{ "verified": true, "answer": 1251, "timestamp": "2026-02-08T03:02:18.018638Z" }
21b2e7
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 222, "completion_tokens": 688 }, "timestamp": "2026-02-09T14:21:59.275Z", "answer": 1251 }, { "id...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" ...
{ "lo": -5.92, "mid": -3.15, "hi": 0.24 }
76908d
nt_sum_divisors_mod_v1_124444284_7973
Let $n = \sum_{k=1}^{15} \phi(k) \left\lfloor \frac{15}{k} \right\rfloor$, where $\phi$ denotes Euler's totient function. Let $\sigma$ be the sum of the positive divisors of $n$. Determine the value of $\sigma \bmod 10771$.
360
graphs = [ Graph( let={ "_n": Const(15), "n": Summation(var="k", start=Const(1), end=Const(15), expr=Mul(EulerPhi(n=Var("k")), Floor(Div(Ref("_n"), Var("k"))))), "M": Const(10771), "sigma": SumDivisors(n=Ref("n")), "result": Mod(value=Ref("sigma"),...
NT
null
COMPUTE
sympy
K2
[ "K2" ]
6897ab
nt_sum_divisors_mod_v1
null
6
0
[ "K2" ]
1
0.003
2026-02-08T09:29:33.549087Z
{ "verified": true, "answer": 360, "timestamp": "2026-02-08T09:29:33.551972Z" }
522406
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 118, "completion_tokens": 768 }, "timestamp": "2026-02-14T04:17:23.422Z", "answer": 360 }, { ...
1
[ { "lemma": "K16", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
23144f
comb_count_permutations_fixed_v1_717093673_1616
Let $n$ be the largest positive integer $d$ such that $1 \leq d \leq 11$ and $d$ divides $187$. Let $k = 6$. Define $R = \binom{n}{k} \cdot !(n - k)$, where $!(n - k)$ denotes the number of derangements of $n - k$ elements. Compute the remainder when $44121 \cdot R$ is divided by $83287$.
57,272
graphs = [ Graph( let={ "_n": Const(44121), "n": MaxOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(1)), Leq(Var("d"), Const(11)), Divides(divisor=Var("d"), dividend=Const(187))))), "k": Const(6), "result": Mul(Binom(n=Ref("n"), k=Ref(...
NT
COMB
COUNT
sympy
MAX_DIVISOR
[ "MAX_DIVISOR" ]
51757e
comb_count_permutations_fixed_v1
null
3
0
[ "MAX_DIVISOR" ]
1
0.002
2026-02-08T16:12:35.461016Z
{ "verified": true, "answer": 57272, "timestamp": "2026-02-08T16:12:35.462665Z" }
b2c893
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 143, "completion_tokens": 1974 }, "timestamp": "2026-02-16T23:14:58.382Z", "answer": 57272 }, ...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MAX_DIVISOR", "status": "ok" }, { "lemma": "V3", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
d51b1c
comb_count_surjections_v1_1874849503_225
Let $n = 8$. Let $k$ be the number of ordered pairs $(x_1, x_2)$ of positive odd integers such that $x_1 + x_2 = 6$. Compute $k! \cdot S(n, k)$, where $S(n, k)$ denotes the Stirling number of the second kind. Find the value of this expression.
5,796
graphs = [ Graph( let={ "_n": Const(6), "n": Const(8), "k": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x1"), Var("x2")]), condition=And(IsPositive(arg=Var(name='x1')), IsPositive(arg=Var(name='x2')), IsOdd(arg=Var(name='x1')), IsOdd(arg=Var(name='x2')), Eq(Sum...
COMB
null
COUNT
sympy
COMB1
[ "COMB1" ]
567f58
comb_count_surjections_v1
null
5
0
[ "COMB1" ]
1
0.002
2026-02-08T12:53:12.154961Z
{ "verified": true, "answer": 5796, "timestamp": "2026-02-08T12:53:12.157366Z" }
993b4d
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 195, "completion_tokens": 978 }, "timestamp": "2026-02-09T14:52:15.145Z", "answer": 5796 }, { "id...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COMB1", "status": "ok" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -4.92, "mid": -2.91, "hi": -0.68 }
b71730
nt_count_intersection_v1_1520064083_9432
Let $N$ be the number of positive integers $n$ such that $1 \leq n \leq 25000$ and $5$ divides the $n$-th Fibonacci number. Let $a = 3$, and let $b$ be the largest positive integer at most $20$ that divides $620$. Compute the number of positive integers $n$ such that $1 \leq n \leq N$, $a$ divides $n$, and $\gcd(n, b) ...
666
graphs = [ Graph( let={ "N": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Const(25000)), Divides(divisor=Const(5), dividend=Fibonacci(arg=Var(name='n')))))), "a": Const(3), "b": MaxOverSet(set=SolutionsSet(var=Var("d"), ...
NT
null
COUNT
sympy
COUNT_FIB_DIVISIBLE
[ "COUNT_FIB_DIVISIBLE", "MAX_DIVISOR" ]
b4c662
nt_count_intersection_v1
null
7
0
[ "COUNT_FIB_DIVISIBLE", "MAX_DIVISOR" ]
2
0.238
2026-02-08T10:45:26.028405Z
{ "verified": true, "answer": 666, "timestamp": "2026-02-08T10:45:26.266885Z" }
9559ca
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": 2521 }, "timestamp": "2026-02-14T08:48:46.831Z", "answer": 666 }, { ...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "ok" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "MAX_DIVISOR", "status": "ok" }, { "lemma": "MAX_VAL", "status": "no" }, ...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
4faef7
comb_count_permutations_fixed_v1_601307018_10994
Let $n = \sum_{k_1 = \binom{17}{0} - 1}^{2} 2^{k_1}$ and let $R = \binom{n}{1} \cdot D_{n-1}$, where $D_m$ denotes the number of derangements of $m$ elements. Find the remainder when $86263 \cdot R$ is divided by $53590$.
51,715
graphs = [ Graph( let={ "_n": Const(53590), "n": Summation(var="k1", start=Sub(Binom(n=Const(17), k=Const(0)), Const(1)), end=Const(2), expr=Pow(Const(2), Var("k1"))), "k": Const(1), "result": Mul(Binom(n=Ref("n"), k=Ref("k")), Subfactorial(arg=Sub(left=Ref(na...
COMB
null
COUNT
sympy
POLY_ORBIT_LEGENDRE
[ "SUM_GEOM", "ZERO_BINOM_0" ]
71c45c
comb_count_permutations_fixed_v1
null
4
0
[ "POLY_ORBIT_LEGENDRE", "SUM_GEOM", "ZERO_BINOM_0" ]
3
0.089
2026-03-10T11:25:28.325060Z
{ "verified": true, "answer": 51715, "timestamp": "2026-03-10T11:25:28.414020Z" }
d2dd43
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 201, "completion_tokens": 1350 }, "timestamp": "2026-04-19T15:15:39.396Z", "answer": 51715 }, { ...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "SUM_GEOM", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "st...
{ "lo": -5.34, "mid": 1.1, "hi": 7.53 }
8c5d3f
comb_sum_binomial_row_v1_124444284_3456
Let $S$ be the set of integers $t$ such that $18 \leq t \leq 100$ and $t = 4a + 14b$ for some positive integers $a \leq 18$ and $b \leq 2$. Let $n$ be the minimum value of $x + y$ over all ordered pairs $(x,y)$ of positive integers such that $xy = |S|$. Let $r = 2^n$. Determine the value of the smallest positive inte...
684
graphs = [ Graph( let={ "_n": Const(2), "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("t"), condit...
NT
null
SUM
sympy
LIN_FORM
[ "LIN_FORM/B3" ]
05313e
comb_sum_binomial_row_v1
null
5
0
[ "B3", "LIN_FORM" ]
2
0.002
2026-02-08T05:24:50.345628Z
{ "verified": true, "answer": 684, "timestamp": "2026-02-08T05:24:50.347509Z" }
24335e
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 172, "completion_tokens": 3261 }, "timestamp": "2026-02-12T08:28:47.190Z", "answer": 684 }, { ...
1
[ { "lemma": "B3", "status": "ok_later" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" ...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
a56450
diophantine_fbi2_min_v1_1248542787_774
Let $x$ and $y$ be positive integers such that $xy = 324$. Let $s$ be the minimum value of $x + y$ over all such pairs. Let $A$ be the set of prime numbers $n$ such that $2 \leq n \leq 6$. Let $m$ be the maximum element of $A$. Find the smallest integer $d$ such that $m \leq d \leq s$, $d$ divides $26$, and $\frac{26}{...
17,068
graphs = [ Graph( let={ "k": Const(26), "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(324)))), expr=Sum(Var("x"), Var("y")))),...
NT
null
EXTREMUM
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW", "B3" ]
78ed98
diophantine_fbi2_min_v1
null
5
0
[ "B3", "MAX_PRIME_BELOW" ]
2
0.006
2026-02-08T03:24:57.657036Z
{ "verified": true, "answer": 17068, "timestamp": "2026-02-08T03:24:57.662832Z" }
7be603
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 254, "completion_tokens": 796 }, "timestamp": "2026-02-09T08:07:11.467Z", "answer": 17068 }, { "i...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "VA...
{ "lo": -3.46, "mid": 0.96, "hi": 5.17 }
73e320
nt_min_coprime_above_v1_1470522791_925
Let $a = 43925$, $s = 61504$, and $u = 61765$. Let $m$ be the largest prime number that is less than or equal to the minimum value of $x + y$ over all ordered pairs $(x, y)$ of positive integers such that $xy = 16384$. Let $r$ be the smallest integer $n$ such that $s < n \leq u$ and $\gcd(n, m) = 1$. Compute the remain...
28,597
graphs = [ Graph( let={ "_n": Const(43925), "start": Const(61504), "upper": Const(61765), "modulus": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[V...
NT
null
EXTREMUM
sympy
B3
[ "B3/MAX_PRIME_BELOW" ]
f253c0
nt_min_coprime_above_v1
null
5
0
[ "B3", "MAX_PRIME_BELOW" ]
2
0.072
2026-02-08T13:18:45.908549Z
{ "verified": true, "answer": 28597, "timestamp": "2026-02-08T13:18:45.980222Z" }
4b2a79
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": 3347 }, "timestamp": "2026-02-15T13:15:45.235Z", "answer": 28597 }, ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok_later" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V7", "st...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
cc061d
antilemma_sum_equals_v1_1439011603_2502
Let $n = 47$. Compute the number of ordered pairs $(i,j)$ of positive integers such that $i + j = n$, $1 \leq i \leq 45$, and $1 \leq j \leq 46$.
45
graphs = [ Graph( let={ "_n": Const(47), "x": 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(45)), right=IntegerRange(start=Const(1), end=Con...
COMB
GEOM
COMPUTE
sympy
COUNT_SUM_EQUALS
[ "COUNT_SUM_EQUALS" ]
75ab0f
antilemma_sum_equals_v1
null
2
0
[ "COUNT_SUM_EQUALS" ]
1
0.066
2026-02-08T16:50:18.972224Z
{ "verified": true, "answer": 45, "timestamp": "2026-02-08T16:50:19.038493Z" }
332f72
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": 1559 }, "timestamp": "2026-02-24T21:59:23.879Z", "answer": 45 }, { ...
2
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -10, "mid": -7.42, "hi": -4.85 }
ca6272
modular_mod_compute_v1_1915831931_1453
Let $a = -144$ and $m = 46368$. Define $r = a \bmod m$, the unique integer such that $0 \leq r < m$ and $r \equiv a \pmod{m}$. Let $S$ be the set of all ordered pairs $(x_1, y_1)$ of positive integers such that $x_1 y_1 = 3481$. Let $s_{\min}$ be the minimum value of $x_1 + y_1$ as $(x_1, y_1)$ ranges over $S$. Let $T$...
12,423
graphs = [ Graph( let={ "_n": Const(55166), "a": Const(-144), "m": Const(46368), "result": Mod(value=Ref("a"), modulus=Ref("m")), "_c": MaxOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(ar...
NT
null
COMPUTE
sympy
B3
[ "B3/B1" ]
6cdf3d
modular_mod_compute_v1
negation_mod
5
0
[ "B1", "B3" ]
2
0.003
2026-02-08T16:08:55.935817Z
{ "verified": true, "answer": 12423, "timestamp": "2026-02-08T16:08:55.938673Z" }
a6d8f5
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 244, "completion_tokens": 926 }, "timestamp": "2026-02-16T21:47:50.364Z", "answer": 12423 }, {...
1
[ { "lemma": "B1", "status": "ok_later" }, { "lemma": "B3", "status": "ok" }, { "lemma": "K18", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "V3", ...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
91b053
nt_count_coprime_and_v1_168721529_653
Let $k_1 = 5$ and let $k_2$ be the largest integer $k$ such that $2^k$ divides $7^{128} - 5^{128}$. Determine the number of positive integers $n$ such that $1 \leq n \leq 34972$, $\gcd(n, k_1) = \phi(1)$, and $\gcd(n, k_2) = 1$. Let $r$ denote this number. Compute $r + \phi(|r| + 1) + \tau(|r| + \phi(2))$, where $\phi$...
36,476
graphs = [ Graph( let={ "upper": Const(34972), "k1": Const(5), "k2": MaxKDivides(target=Sub(Pow(Const(7), Const(128)), Pow(Const(5), Const(128))), base=Const(2)), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(...
NT
null
COUNT
sympy
LTE_DIFF_P2
[ "LTE_DIFF_P2", "ONE_PHI_2", "ONE_PHI_1" ]
84a372
nt_count_coprime_and_v1
null
6
0
[ "LTE_DIFF_P2", "ONE_PHI_1", "ONE_PHI_2" ]
3
5.262
2026-02-08T13:10:40.810342Z
{ "verified": true, "answer": 36476, "timestamp": "2026-02-08T13:10:46.072009Z" }
4e4f8e
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 271, "completion_tokens": 2707 }, "timestamp": "2026-02-09T07:31:47.201Z", "answer": 36476 }, { "...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "ok" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "ONE_PHI_1", "...
{ "lo": -1.99, "mid": 2.14, "hi": 6.33 }
5ce84b
nt_count_divisible_and_v1_677425708_2676
Let $N$ be the number of positive integers $n$ at most $32256$ that are divisible by both $12$ and $18$. Let $c$ be the smallest prime divisor of $1035044771$. Compute the remainder when $$353702 \cdot (|N| \mod 97) + 329703 \cdot \left((N^2 + 1) \mod 101\right) + 215534 \cdot \left(|N| + c \mod 103\right)$$ is divided...
26,573
graphs = [ Graph( let={ "_n": Const(101), "upper": Const(32256), "d1": Const(12), "d2": Const(18), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("upper")), Eq(Mod(value=Var("n"), modu...
NT
null
COUNT
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR" ]
b5b91a
nt_count_divisible_and_v1
crt_mix_3
3
0
[ "MIN_PRIME_FACTOR" ]
1
1.912
2026-02-08T05:11:13.765770Z
{ "verified": true, "answer": 26573, "timestamp": "2026-02-08T05:11:15.677750Z" }
b5d6bf
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 245, "completion_tokens": 6541 }, "timestamp": "2026-02-11T23:05:23.277Z", "answer": 26573 }, { "...
1
[ { "lemma": "K15", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V5", "status": "no" ...
{ "lo": 1.71, "mid": 5.04, "hi": 8.38 }
4ab6b0
sequence_fibonacci_compute_v1_124444284_10388
Let $m = 233$. Let $k$ range over the positive integers from 1 to 28193 inclusive that are divisible by $m$. Define $n$ to be the minimum value of $x + y$ where $x$ and $y$ are positive integers such that $xy$ equals the number of such $k$. Compute the $n$-th Fibonacci number, where the Fibonacci sequence is defined by...
17,711
graphs = [ Graph( let={ "_m": Const(233), "_n": CountOverSet(set=SolutionsSet(var=Var("k"), condition=And(Geq(Var("k"), Const(1)), Leq(Var("k"), Const(28193)), Divides(divisor=Ref("_m"), dividend=Var("k"))), domain='positive_integers')), "n": MinOverSet(set=MapOverSet(set...
NT
null
COMPUTE
sympy
C2
[ "C2/B3" ]
7c8509
sequence_fibonacci_compute_v1
null
5
0
[ "B3", "C2" ]
2
0.003
2026-02-08T13:03:00.456866Z
{ "verified": true, "answer": 17711, "timestamp": "2026-02-08T13:03:00.459512Z" }
41099f
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 175, "completion_tokens": 862 }, "timestamp": "2026-02-15T09:04:11.848Z", "answer": 17711 }, {...
1
[ { "lemma": "B3", "status": "ok_later" }, { "lemma": "C2", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "L3b", "status": "no" }, ...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
d1f928
comb_count_derangements_v1_124444284_9879
Let $m=2$ and $N=1408$. Consider all ordered pairs $(x,y)$ of positive integers such that $xy=495616$. For each such pair, compute the sum $x+y$. Let $S$ be the set of all values of $x+y$ obtained in this way, and let $r$ be the minimum element of $S$. For each integer $j$ with $0\le j\le N$, consider the binomial coe...
14,833
graphs = [ Graph( let={ "_m": Const(2), "_n": Const(1408), "n": CountOverSet(set=SolutionsSet(var=Var("j"), condition=And(Geq(Var("j"), Const(0)), Leq(Var("j"), Ref("_n")), Eq(Mod(value=Binom(n=MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("...
COMB
null
COUNT
sympy
B3
[ "B3/V8" ]
4fad5b
comb_count_derangements_v1
null
8
0
[ "B3", "V8" ]
2
0.003
2026-02-08T12:42:30.194944Z
{ "verified": true, "answer": 14833, "timestamp": "2026-02-08T12:42:30.197697Z" }
7b66d9
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 296, "completion_tokens": 1899 }, "timestamp": "2026-02-24T16:12:58.636Z", "answer": 14833 }, { "...
1
[ { "lemma": "B3", "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": "V7", "status":...
{ "lo": -2.35, "mid": 1.22, "hi": 4.84 }
b8e361
nt_count_divisible_v1_1353956133_460
Let $p$ be the number of prime numbers $q$ such that $2 \leq q \leq 71$. Compute the number of positive integers $n \leq 65025$ that are divisible by $p$.
3,251
graphs = [ Graph( let={ "_n": Const(71), "upper": Const(65025), "divisor": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Ref("_n")), IsPrime(Var("n"))))), "result": CountOverSet(set=SolutionsSet(var=Var("n"), ...
NT
null
COUNT
sympy
COUNT_PRIMES
[ "COUNT_PRIMES" ]
07c874
nt_count_divisible_v1
null
3
0
[ "COUNT_PRIMES" ]
1
2.393
2026-02-08T11:27:46.324971Z
{ "verified": true, "answer": 3251, "timestamp": "2026-02-08T11:27:48.717979Z" }
c7c663
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 93, "completion_tokens": 347 }, "timestamp": "2026-02-14T14:45:10.320Z", "answer": 3250 }, ...
0
[ { "lemma": "COUNT_PRIMES", "status": "ok" }, { "lemma": "K13", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "L3c", "status": "no" } ]
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
d82fe6
alg_poly_preperiod_count_v1_1419126231_931
For a non-negative integer $a$, define the sequence $N = (a^4 + 2a^3 + a^2 + 5a - 3) \bmod 37$, $M = (N^4 + 2N^3 + N^2 + 5N - 3) \bmod 37$, $R = (M^4 + 2M^3 + M^2 + 5M - 3) \bmod 37$, and $S = (R^4 + 2R^3 + R^2 + 5R - 3) \bmod 37$. Find the number of integers $a$ with $0 \leq a \leq 28970$ such that $S = N$, $M \neq N$...
4,698
graphs = [ Graph( let={ "p1": Mod(value=Sum(Pow(Var("a"), Const(4)), Mul(Const(2), Pow(Var("a"), Const(3))), Pow(Var("a"), Const(2)), Mul(Const(5), Var("a")), Const(-3)), modulus=Const(37)), "p2": Mod(value=Sum(Pow(Ref("p1"), Const(4)), Mul(Const(2), Pow(Ref("p1"), Const(3))), Pow(Re...
ALG
null
COUNT
sympy
POLY_ORBIT_COUNT
[ "POLY_ORBIT_COUNT" ]
4ad965
alg_poly_preperiod_count_v1
null
4
null
[ "POLY_ORBIT_COUNT" ]
1
0.074
2026-02-25T10:27:04.123759Z
{ "verified": true, "answer": 4698, "timestamp": "2026-02-25T10:27:04.197810Z" }
7d79df
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 288, "completion_tokens": 8379 }, "timestamp": "2026-03-30T10:43:02.194Z", "answer": 4698 }, { "i...
1
[ { "lemma": "POLY_ORBIT_COUNT", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": 1.5, "mid": 4.69, "hi": 7.23 }
3b7e2d
sequence_fibonacci_compute_v1_397696148_855
Let $n$ be the number of integers $k$ with $1 \leq k \leq 241$ such that $k \equiv \left\lfloor \frac{k}{2} \right\rfloor \pmod{11}$. Let $F_n$ denote the $n$-th Fibonacci number. Compute the remainder when $22621 \cdot F_n$ is divided by $67819$.
2,297
graphs = [ Graph( let={ "_n": Const(241), "n": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("_n")), Congruent(a=Var(name='n'), b=Floor(arg=Div(left=Var(name='n'), right=Const(value=2))), modulus=Const(value=11))))), ...
NT
null
COMPUTE
sympy
L3C
[ "L3C" ]
73f8b0
sequence_fibonacci_compute_v1
null
6
0
[ "L3C" ]
1
0.001
2026-02-08T11:46:51.063132Z
{ "verified": true, "answer": 2297, "timestamp": "2026-02-08T11:46:51.064278Z" }
6c1f0e
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 129, "completion_tokens": 1313 }, "timestamp": "2026-02-14T20:57:12.337Z", "answer": 2297 }, {...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "L3C", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V8", "status": "no" } ...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
a389be
modular_sum_quadratic_residues_v1_1440796553_1461
Let $p = 181$. Define $r = \frac{p(p-1)}{4}$. Let $c$ be the largest prime number less than or equal to $1600$ that is at least $2$. Compute the remainder when $c - r$ is divided by $63187$.
56,639
graphs = [ Graph( let={ "_n": Const(2), "p": Const(181), "result": Div(Mul(Ref("p"), Sub(Ref("p"), Const(1))), Const(4)), "_c": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Ref("_n")), Leq(Var("n"), Const(1600)), IsPrime(Var("n"))))), ...
NT
null
SUM
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW" ]
2ed1de
modular_sum_quadratic_residues_v1
negation_mod
3
0
[ "MAX_PRIME_BELOW" ]
1
0.003
2026-02-08T14:00:59.877368Z
{ "verified": true, "answer": 56639, "timestamp": "2026-02-08T14:00:59.880289Z" }
74813d
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 108, "completion_tokens": 950 }, "timestamp": "2026-02-15T22:59:57.365Z", "answer": 56639 }, {...
1
[ { "lemma": "K14", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" } ]
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
8ea7e6
comb_count_partitions_v1_1742523217_737
Let $N$ be the number of integers $t$ such that $50\le t\le1301$ and there exist integers $a$ and $b$ with $1\le a\le86$ and $1\le b\le12$ satisfying $$t=12a+21b+17.$$ Let $n$ be the minimum value of $x+y$ over all ordered pairs $(x,y)$ of positive integers such that $xy=N$. Let $P(n)$ denote the number of integer part...
37,338
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=86)), Geq(left=Var(name='b'), right=Const(value...
COMB
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM/B3" ]
05313e
comb_count_partitions_v1
null
8
0
[ "B3", "LIN_FORM" ]
2
0.002
2026-02-08T03:11:51.869712Z
{ "verified": true, "answer": 37338, "timestamp": "2026-02-08T03:11:51.872150Z" }
613a39
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 263, "completion_tokens": 32768 }, "timestamp": "2026-02-23T21:54:08.341Z", "answer": null }, { ...
1
[ { "lemma": "B3", "status": "ok_later" }, { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V7", "status": "no" ...
{ "lo": 3.17, "mid": 4.49, "hi": 5.75 }
a22397
nt_euler_phi_compute_v1_677425708_3870
Let $n = 76176$ and define $\varphi(n)$ to be Euler's totient function of $n$. Let $S$ be the set of all positive integers $p$ for which there exists a positive integer $q$ such that $pq = 54$, $\gcd(p, q) = 1$, and $p < q$. Let $|S|$ denote the number of elements in $S$. Compute the remainder when $|S| - \varphi(n)$ i...
41,167
graphs = [ Graph( let={ "n": Const(76176), "result": EulerPhi(n=Ref("n")), "Q": Mod(value=Sub(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=...
NT
null
COMPUTE
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS" ]
c90628
nt_euler_phi_compute_v1
negation_mod
4
0
[ "COPRIME_PAIRS" ]
1
0.001
2026-02-08T05:59:08.405352Z
{ "verified": true, "answer": 41167, "timestamp": "2026-02-08T05:59:08.406303Z" }
256002
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": 1054 }, "timestamp": "2026-02-12T18:26:24.540Z", "answer": 41167 }, ...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" ...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
826c2c
modular_sum_quadratic_residues_v1_809748730_1101
Let $p$ be the largest prime number less than or equal to $137$. Define $r = \frac{p(p-1)}{4}$. Let $m = |r| + 2$. Find the smallest positive integer $k$ such that the $k$-th Fibonacci number is divisible by $m$.
390
graphs = [ Graph( let={ "_n": Const(137), "p": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Ref("_n")), IsPrime(Var("n"))))), "result": Div(Mul(Ref("p"), Sub(Ref("p"), Const(1))), Const(4)), "Q": FibonacciEntry...
NT
null
SUM
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW" ]
dc3ad3
modular_sum_quadratic_residues_v1
null
5
0
[ "MAX_PRIME_BELOW" ]
1
0.001
2026-02-08T12:10:46.735545Z
{ "verified": true, "answer": 390, "timestamp": "2026-02-08T12:10:46.737008Z" }
f8e17c
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": 2824 }, "timestamp": "2026-02-14T22:48:32.797Z", "answer": 390 }, { ...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status":...
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
171253
nt_min_phi_inverse_v1_2051736721_5469
Let $t$ be an integer satisfying $7 \le t \le 42$. Suppose there exist positive integers $a$ and $b$ with $1 \le a \le 3$ and $1 \le b \le 10$ such that $t = 4a + 3b$. Let $u$ be the number of such integers $t$. Let $k = 10$. Determine the smallest positive integer $n$ such that $1 \le n \le u$ and $\phi(n) = k$.
11
graphs = [ Graph( let={ "upper": 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(val...
NT
null
EXTREMUM
sympy
ONE_PHI_1
[ "LIN_FORM" ]
7b2633
nt_min_phi_inverse_v1
null
6
0
[ "LIN_FORM", "ONE_PHI_1" ]
2
0.116
2026-02-08T18:36:54.667696Z
{ "verified": true, "answer": 11, "timestamp": "2026-02-08T18:36:54.784044Z" }
3906ff
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 159, "completion_tokens": 2322 }, "timestamp": "2026-02-18T18:23:34.980Z", "answer": 11 }, { ...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "V7", "status": "...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
c328cf
comb_sum_binomial_row_v1_1353956133_489
Let $m = 2$ and let $S$ be the set of all integers $x$ such that $x^2 - 2x - 4355 = 0$. Define $s$ to be the sum of all elements in $S$. Let $n$ be the smallest divisor of $224939$ that is at least $s$. Let $r = 2^n$. Find the smallest positive integer $k$ such that the $k$-th Fibonacci number is divisible by $|r| + 2$...
300
graphs = [ Graph( let={ "_m": Const(2), "_n": SumOverSet(set=SolutionsSet(var=Var("x"), condition=Eq(Sum(Pow(Var("x"), Ref("_m")), Mul(Const(-2), Var("x")), Const(-4355)), Const(0)))), "n": MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Ref("_n")), ...
NT
null
SUM
sympy
VIETA_SUM
[ "VIETA_SUM/MIN_PRIME_FACTOR" ]
b1c8ca
comb_sum_binomial_row_v1
null
6
0
[ "MIN_PRIME_FACTOR", "VIETA_SUM" ]
2
0.002
2026-02-08T11:28:19.057588Z
{ "verified": true, "answer": 300, "timestamp": "2026-02-08T11:28:19.059554Z" }
1b92bd
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": 1963 }, "timestamp": "2026-02-14T14:50:10.200Z", "answer": 300 }, { ...
1
[ { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok_later" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V8_SUM", "status":...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
445ab4
antilemma_k2_v1_1742523217_1056
Let $ r_1 $ and $ r_2 $ be the roots of the quadratic equation $ x^2 - 181x - 4242 = 0 $. Define $ k_{\text{max}} $ to be the sum of these roots. For each integer $ k $ from $ 1 $ to $ k_{\text{max}} $, let $ a_k = \phi(k) \left\lfloor \frac{s}{k} \right\rfloor $, where $ \phi(k) $ is the number of positive integers at...
16,471
graphs = [ Graph( let={ "_n": Const(2), "x": Summation(var="k", start=Const(1), end=SumOverSet(set=SolutionsSet(var=Var("x"), condition=Eq(Sum(Pow(Var("x"), Ref("_n")), Mul(Const(-181), Var("x")), Const(-4242)), Const(0)))), expr=Mul(EulerPhi(n=Var("k")), Floor(Div(SumOverSet(set=Sol...
NT
COMB
COMPUTE
sympy
K13
[ "VIETA_SUM/K2", "K2" ]
6be084
antilemma_k2_v1
null
7
0
[ "K13", "K2", "VIETA_SUM" ]
3
0.002
2026-02-08T03:24:03.296273Z
{ "verified": true, "answer": 16471, "timestamp": "2026-02-08T03:24:03.298524Z" }
1448d7
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 282, "completion_tokens": 1260 }, "timestamp": "2026-02-10T02:37:37.465Z", "answer": 16471 }, { "...
1
[ { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V8_SUM", "statu...
{ "lo": -3.53, "mid": 1.02, "hi": 5.49 }
de1c59
alg_sym_quad_system_v1_1218484723_5184
Let $N$ be the maximum value of $xy$ over all ordered pairs $(x, y)$ of positive integers such that $x + y = 134$. Define $$R = \sum_{(a,b,c)} \bigl(a^{5} + b^{5} + c^{5}\bigr) \bmod 7461,$$ where the sum is taken over all ordered triples $(a,b,c)$ of positive integers satisfying $$a^{2} + b^{2} + c^{2} = ab + bc + ca ...
64,890
graphs = [ Graph( let={ "_n": Const(5), "result": Mod(value=SumOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b"), Var("c")]), condition=And(Eq(Sum(Pow(Var("a"), Const(2)), Pow(Var("b"), Const(2)), Pow(Var("c"), Const(2))), Sum(Mul(Var("a"), Var("b")), Mul...
ALG
null
COMPUTE
sympy
SUM_GEOM
[ "B1" ]
d2b6e1
alg_sym_quad_system_v1
negation_mod
7
0
[ "B1", "SUM_GEOM" ]
2
0.114
2026-02-25T06:49:11.490664Z
{ "verified": true, "answer": 64890, "timestamp": "2026-02-25T06:49:11.605047Z" }
628ced
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 266, "completion_tokens": 2252 }, "timestamp": "2026-03-29T19:49:36.039Z", "answer": 64890 }, { "...
1
[ { "lemma": "B1", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": -3.33, "mid": 1.03, "hi": 5.26 }
54291d
nt_count_coprime_v1_784195855_532
Let $n = 3$ and $U = 73984$. Let $$ k = \sum_{k=1}^{3} \phi(k) \left\lfloor \frac{n}{k} \right\rfloor. $$ Define $\text{result}$ to be the number of positive integers $n$ such that $1 \leq n \leq U$ and $\gcd(n, k) = 1$. Compute $\text{result}$.
24,661
graphs = [ Graph( let={ "_n": Const(3), "upper": Const(73984), "k": Summation(var="k", start=Const(1), end=Const(3), expr=Mul(EulerPhi(n=Var("k")), Floor(Div(Ref("_n"), Var("k"))))), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("...
NT
null
COUNT
sympy
K2
[ "K2" ]
6897ab
nt_count_coprime_v1
null
7
0
[ "K2" ]
1
5.807
2026-02-08T04:25:46.037140Z
{ "verified": true, "answer": 24661, "timestamp": "2026-02-08T04:25:51.844201Z" }
1ce692
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 210, "completion_tokens": 1119 }, "timestamp": "2026-02-10T16:30:41.719Z", "answer": 24661 }, { ...
1
[ { "lemma": "DS2", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "V3", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -5.55, "mid": -3.01, "hi": 0.33 }
bce0ce
comb_count_permutations_fixed_v1_784195855_8292
Let $n = 10$ and $k = 5$. Define $a = \binom{n}{k} \cdot !(n - k)$, where $!m$ denotes the number of derangements of $m$ elements. Let $S = \sum_{k=1}^{15} \phi(k) \left\lfloor \frac{15}{k} \right\rfloor$, where $\phi$ is Euler's totient function. Compute the remainder when $S - a$ is divided by 97816.
86,848
graphs = [ Graph( let={ "n": Const(10), "k": Const(5), "result": Mul(Binom(n=Ref("n"), k=Ref("k")), Subfactorial(arg=Sub(left=Ref(name='n'), right=Ref(name='k')))), "Q": Mod(value=Sub(Summation(var="k", start=Const(1), end=Const(15), expr=Mul(EulerPhi(n=Var("k...
NT
COMB
COUNT
sympy
K2
[ "K2" ]
9468ae
comb_count_permutations_fixed_v1
negation_mod
4
0
[ "K2" ]
1
0.003
2026-02-08T15:59:57.253671Z
{ "verified": true, "answer": 86848, "timestamp": "2026-02-08T15:59:57.256248Z" }
bf2d05
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 155, "completion_tokens": 1079 }, "timestamp": "2026-02-16T19:00:21.683Z", "answer": 86848 }, ...
1
[ { "lemma": "DS2", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
27b3af
algebra_quadratic_discriminant_v1_458359167_5204
Let $n = 4$, $a = 2$, $b = -28$, and $c = 98$. Let $S$ be the set of all 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$ be the number of elements in $S$. Define $D = b^k - 4ac$. Let $\alpha = \begin{cases} 2 & \text{if } D > 0, \\ ...
1
graphs = [ Graph( let={ "_n": Const(4), "a": Const(2), "b": Const(-28), "c": Const(98), "D": Sub(Pow(Ref("b"), CountOverSet(set=SolutionsSet(var=Var("p"), condition=And(IsPositive(arg=Var(name='p')), Exists(var=Var(name='q'), condition=And(Eq(left=...
NT
null
COMPUTE
sympy
MIN_PRIME_FACTOR
[ "COPRIME_PAIRS" ]
2bb3aa
algebra_quadratic_discriminant_v1
null
4
0
[ "COPRIME_PAIRS", "MIN_PRIME_FACTOR" ]
2
0.1
2026-02-08T12:20:42.840444Z
{ "verified": true, "answer": 1, "timestamp": "2026-02-08T12:20:42.940757Z" }
a4288d
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 203, "completion_tokens": 846 }, "timestamp": "2026-02-15T00:35:08.107Z", "answer": 1 }, { ...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "VAL_SUM_E...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
aa2ec0
nt_sum_divisors_mod_v1_1248542787_565
Let $S$ be the set of all ordered pairs $(x, y)$ of positive integers such that $xy = 6350400$. Let $n$ be the minimum value of $x + y$ over all such pairs. Let $\sigma(n)$ denote the sum of all positive divisors of $n$. Let $M = 11161$, and let $r$ be the remainder when $\sigma(n)$ is divided by $M$. Compute $43264 - ...
35,081
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(6350400)))), expr=Sum(Var("x"), Var("y")))), "M": Const(1116...
NT
null
COMPUTE
sympy
B3
[ "B3" ]
0cd20d
nt_sum_divisors_mod_v1
null
6
0
[ "B3" ]
1
0.002
2026-02-08T03:13:11.533321Z
{ "verified": true, "answer": 35081, "timestamp": "2026-02-08T03:13:11.535305Z" }
475a5c
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": 1783 }, "timestamp": "2026-02-09T05:36:42.277Z", "answer": 35081 }, { "...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": -3.46, "mid": 1.03, "hi": 5.49 }
a27a76
alg_poly3_sum_v1_601307018_1922
Find the remainder when $$ \sum_{\substack{1 \le a \le 300 \\ 1 \le b \le 300}} \left( 72a^3 + 91b^3 + 192a^2b + \left| \left\{ (a_1, b_1) : \begin{array}{c} 1 \le a_1 \le 30, \\ 1 \le b_1 \le 30, \\ 13a_1^2 - 2a_1b_1 + 2b_1^2 \le 1252 \end{array} \right\} \right| \cdot a b^2 \right) $$ is divided by $83147$.
23,736
graphs = [ Graph( let={ "_n": Const(300), "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"), Ref("_n")), Geq(Var("b"), Const(1)), Leq(Var("b"), Const(300)))), expr=Sum(Mul(Const...
ALG
null
COMPUTE
sympy
QF_PSD_COUNT_LEQ
[ "QF_PSD_COUNT_LEQ" ]
009d0f
alg_poly3_sum_v1
null
5
0
[ "QF_PSD_COUNT_LEQ" ]
1
0.197
2026-03-10T02:42:01.236203Z
{ "verified": true, "answer": 23736, "timestamp": "2026-03-10T02:42:01.432899Z" }
9b4f47
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 274, "completion_tokens": 11829 }, "timestamp": "2026-03-29T03:52:37.874Z", "answer": 23736 }, { ...
1
[ { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "QF_PSD_COUNT_LEQ", "status": "ok" } ]
{ "lo": 2.78, "mid": 4.94, "hi": 7.11 }
5bb991
sequence_fibonacci_compute_v1_1116507919_97
Let $T$ be the set of all integers $t$ such that $7 \leq t \leq 30$ and there exist positive integers $a$ and $b$ with $1 \leq a \leq 2$, $1 \leq b \leq 10$, and $t = 5a + 2b$. Let $n$ be the number of elements in $T$. Let $F_n$ denote the $n$th Fibonacci number, where $F_1 = 1$, $F_2 = 1$, and $F_k = F_{k-1} + F_{k-2}...
12,921
graphs = [ Graph( let={ "_n": Const(75404), "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=Va...
NT
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
sequence_fibonacci_compute_v1
null
4
0
[ "LIN_FORM" ]
1
0.001
2026-02-08T02:25:32.824921Z
{ "verified": true, "answer": 12921, "timestamp": "2026-02-08T02:25:32.826064Z" }
2c4d58
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 288, "completion_tokens": 2968 }, "timestamp": "2026-02-08T19:02:48.175Z", "answer": 12921 }, { "...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V5", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" ...
{ "lo": -0.95, "mid": 0.8, "hi": 2.3 }
55b1f9
antilemma_sum_factor_cartesian_v1_1874849503_265
Let $S$ be the set of all ordered pairs $(i, j)$ of positive integers such that $1 \leq i \leq 6$ and $1 \leq j \leq 18$. Define $x$ to be the sum of $i \cdot j$ over all pairs $(i, j)$ in $S$. Let $c = 82819$. Compute the remainder when $c \cdot x$ is divided by $91342$. Determine the value of this remainder.
84,819
graphs = [ Graph( let={ "x": SumOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=EulerPhi(n=Const(1)), domain=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(6)), right=IntegerRange(start=Const(1), end=Const(18)))), expr=Mul(Var("i"), Var("...
NT
null
COMPUTE
sympy
SUM_FACTOR_CARTESIAN
[ "SUM_FACTOR_CARTESIAN", "ONE_PHI_1" ]
1cb432
antilemma_sum_factor_cartesian_v1
null
3
0
[ "ONE_PHI_1", "SUM_FACTOR_CARTESIAN" ]
2
0.001
2026-02-08T12:53:59.729686Z
{ "verified": true, "answer": 84819, "timestamp": "2026-02-08T12:53:59.730913Z" }
31ff2e
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 221, "completion_tokens": 2405 }, "timestamp": "2026-02-09T15:07:34.138Z", "answer": 84819 }, { "...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "ONE_PHI_1", "status": "ok" }, { "lemma": "SUM_FACTOR_CARTESIAN", "status": "...
{ "lo": -6.51, "mid": -0.31, "hi": 5.43 }
17fd4c
algebra_quadratic_discriminant_v1_2051736721_2000
Let $N$ be the number of elements in the Cartesian product $\{1,2\} \times \{1,2\}$. Let $S$ be the set of all ordered pairs $(x,y)$ of positive integers such that $x + y = N$. Define $b$ to be the maximum value of $xy$ as $(x,y)$ ranges over $S$. Let $P$ be the set of all positive integers $p$ for which there exists a...
0
graphs = [ Graph( let={ "_n": CountOverSet(set=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(2)), right=IntegerRange(start=Const(1), end=Const(2)))), "a": Const(2), "b": MaxOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), co...
NT
null
COMPUTE
sympy
COUNT_CARTESIAN
[ "COUNT_CARTESIAN/B1", "COPRIME_PAIRS" ]
a2ff45
algebra_quadratic_discriminant_v1
null
5
0
[ "B1", "COPRIME_PAIRS", "COUNT_CARTESIAN" ]
3
0.008
2026-02-08T16:24:51.206071Z
{ "verified": true, "answer": 0, "timestamp": "2026-02-08T16:24:51.214028Z" }
7ccd61
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 197, "completion_tokens": 1600 }, "timestamp": "2026-02-17T04:06:41.969Z", "answer": 0 }, { ...
1
[ { "lemma": "B1", "status": "ok_later" }, { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_CARTESIAN", "status": "ok" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "K15", "status": "no"...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
825e61
alg_linear_system_2x2_v1_1218484723_5876
Let $\text{det} = -14 \cdot (-9)$. Let $M = -604043 \cdot (-9) + 747 \cdot \left|\left\{ (a, b) : 1 \leq a, b \leq 35,\ 17a^4 + 102a^2b^2 + 68a^3b + 68ab^3 + 17b^4 = 653072 \right\}\right|$, and let $R = -14 \cdot (-747)$. Compute $\frac{M}{\text{det}} + \frac{R}{\text{det}}$.
43,306
graphs = [ Graph( let={ "_n": Const(4), "num_x": Sub(Mul(Const(-604043), Const(-9)), Mul(Const(-747), CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), Const(35)), Geq(Var("b"), Const(1)), Leq(Var("b"), Const(...
ALG
null
COMPUTE
sympy
POLY4_COUNT
[ "POLY4_COUNT" ]
861d91
alg_linear_system_2x2_v1
null
4
0
[ "POLY4_COUNT" ]
1
0.004
2026-02-25T07:26:38.182322Z
{ "verified": true, "answer": 43306, "timestamp": "2026-02-25T07:26:38.186114Z" }
48ecb3
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 252, "completion_tokens": 2281 }, "timestamp": "2026-03-29T23:10:52.259Z", "answer": 43306 }, { "...
1
[ { "lemma": "POLY4_COUNT", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": -3.33, "mid": 1.03, "hi": 5.26 }
472a32
comb_count_permutations_fixed_v1_601307018_152
Let $D_n$ denote the number of derangements of $n$ elements. Let $n$ be the largest integer such that $3^n$ divides $2187 \cdot 81$. Compute $\binom{n}{7} \cdot D_{n - 7}$.
2,970
graphs = [ Graph( let={ "n": MaxKDivides(target=Mul(Const(2187), Const(81)), base=Const(3)), "k": Const(7), "result": Mul(Binom(n=Ref("n"), k=Ref("k")), Subfactorial(arg=Sub(left=Ref(name='n'), right=Ref(name='k')))), }, goal=Ref("result"), ) ]
COMB
NT
COUNT
sympy
POLY_ORBIT_LEGENDRE
[ "K13" ]
8d970a
comb_count_permutations_fixed_v1
null
3
0
[ "K13", "POLY_ORBIT_LEGENDRE" ]
2
0.063
2026-03-10T00:46:04.756604Z
{ "verified": true, "answer": 2970, "timestamp": "2026-03-10T00:46:04.819552Z" }
454807
CC BY 4.0
null
null
[ { "lemma": "K13", "status": "ok" }, { "lemma": "K14", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "V8", "status": "no" } ]
{ "lo": -10, "mid": 0, "hi": 10 }
f8ab12
algebra_quadratic_discriminant_v1_601307018_3903
Let $c$ be the minimum value of $x + y$ over all ordered pairs $(x, y)$ of positive integers such that $xy = 6400$. Compute $4^{2} - 4(-2) \cdot c$.
1,296
graphs = [ Graph( let={ "_n": Const(2), "a": Const(-2), "b": Const(4), "c": 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...
ALG
null
COMPUTE
sympy
B3
[ "B3" ]
0cd20d
algebra_quadratic_discriminant_v1
null
2
0
[ "B3" ]
1
0.004
2026-03-10T04:30:51.733135Z
{ "verified": true, "answer": 1296, "timestamp": "2026-03-10T04:30:51.737361Z" }
e61186
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 162, "completion_tokens": 682 }, "timestamp": "2026-03-29T10:18:12.574Z", "answer": 1296 }, { "id...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": -6.2, "mid": -2.87, "hi": 0.44 }
e1487b
comb_binomial_compute_v1_124444284_2443
Let $n$ be the minimum value of $x + y$ over all pairs of positive integers $(x,y)$ such that $xy = 49$. Compute $\binom{n}{6}$.
3,003
graphs = [ Graph( let={ "_n": Const(49), "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")))), ...
ALG
COMB
COMPUTE
sympy
B3
[ "B3" ]
0cd20d
comb_binomial_compute_v1
null
5
0
[ "B3" ]
1
0.002
2026-02-08T04:40:41.456322Z
{ "verified": true, "answer": 3003, "timestamp": "2026-02-08T04:40:41.457954Z" }
a18488
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 152, "completion_tokens": 452 }, "timestamp": "2026-02-24T01:25:34.674Z", "answer": 3003 }, { "id...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": -9.23, "mid": -6.18, "hi": -4.06 }
cc6da7
nt_count_divisors_in_range_v1_1520064083_1326
Let $n = 221760$. Determine the number of positive divisors $d$ of $n$ such that $65 \leq d \leq 18483$. Let this count be $C$. Now compute the value of $$ \left( \sum_{k=1}^{10} \phi(k) \left\lfloor \frac{1 + 2 + 3 + 4}{k} \right\rfloor \right) - C, $$ and find the remainder when this result is divided by $94179$.
94,113
graphs = [ Graph( let={ "_n": Const(10), "n": Const(221760), "a": Const(65), "b": Const(18483), "result": CountOverSet(set=SolutionsSet(var=Var("d"), condition=And(Divides(divisor=Var("d"), dividend=Ref("n")), Geq(Var("d"), Ref("a")), Leq(Var("d"),...
NT
null
COUNT
sympy
SUM_ARITHMETIC
[ "SUM_ARITHMETIC/K2" ]
18f523
nt_count_divisors_in_range_v1
negation_mod
6
0
[ "K2", "SUM_ARITHMETIC" ]
2
0.159
2026-02-08T03:55:32.504537Z
{ "verified": true, "answer": 94113, "timestamp": "2026-02-08T03:55:32.663524Z" }
3529a6
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 226, "completion_tokens": 5208 }, "timestamp": "2026-02-10T14:45:27.754Z", "answer": 94113 }, { ...
1
[ { "lemma": "K2", "status": "ok_later" }, { "lemma": "K5", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "SUM_ARITHMETIC", "status": "ok" }, { "lemma": "V1", "status": "no" }, { ...
{ "lo": -3.42, "mid": 1.86, "hi": 7.55 }
0f5845
comb_count_surjections_v1_601307018_4162
Let $k = 3$. For each integer $a$ with $0 \leq a \leq 3720$, define the sequence $M = a^2 + a + 1104 \bmod 3721$, $R = M^2 + M + 1104 \bmod 3721$, $S = R^2 + R + 1104 \bmod 3721$, and $T = S^2 + S + 1104 \bmod 3721$. Let $n$ be the number of values of $a$ for which $T = a$, but $M \ne a$, $R \ne a$, and $S \ne a$. Comp...
5,796
graphs = [ Graph( let={ "_n": Const(1104), "n": CountOverSet(set=SolutionsSet(var=Var("a"), condition=And(Geq(Var("a"), Const(0)), Leq(Var("a"), Const(3720)), Eq(Ref("_po_p4"), Var("a")), Neq(Ref("_po_p1"), Var("a")), Neq(Ref("_po_p2"), Var("a")), Neq(Ref("_po_p3"), Var("a"))))), ...
COMB
null
COUNT
sympy
POLY_ORBIT_LEGENDRE
[ "POLY_ORBIT_HENSEL" ]
53b6eb
comb_count_surjections_v1
null
7
0
[ "POLY_ORBIT_HENSEL", "POLY_ORBIT_LEGENDRE" ]
2
0.077
2026-03-10T04:47:26.927165Z
{ "verified": true, "answer": 5796, "timestamp": "2026-03-10T04:47:27.003842Z" }
5429ec
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 287, "completion_tokens": 32768 }, "timestamp": "2026-03-29T11:17:26.583Z", "answer": null }, { ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "POLY_ORBIT_HENSEL", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8_SUM", "status"...
{ "lo": 1.19, "mid": 4.27, "hi": 6.7 }
b49cab
nt_count_divisible_and_v1_1742523217_1399
Let $d_1 = 4$ and let $d_2 = \sum_{k=1}^{3} \phi(k) \left\lfloor \frac{3}{k} \right\rfloor$. Let $N$ be the number of positive integers $n$ such that $1 \le n \le 45852$, $n$ is divisible by $d_1$, and $n$ is divisible by $d_2$. Compute $\sum_{n=1}^{N} \tau(n)$, where $\tau(n)$ denotes the number of positive divisors o...
32,103
graphs = [ Graph( let={ "upper": Const(45852), "d1": Const(4), "d2": Summation(var="k", start=Const(1), end=Const(3), expr=Mul(EulerPhi(n=Var("k")), Floor(Div(Const(3), Var("k"))))), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("...
NT
null
COUNT
sympy
K2
[ "K2" ]
6897ab
nt_count_divisible_and_v1
null
6
0
[ "K2" ]
1
1.645
2026-02-08T03:42:18.475876Z
{ "verified": true, "answer": 32103, "timestamp": "2026-02-08T03:42:20.121018Z" }
457fe4
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 237, "completion_tokens": 7829 }, "timestamp": "2026-02-10T16:26:45.185Z", "answer": 32103 }, { "...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "st...
{ "lo": -3.46, "mid": 1.03, "hi": 5.49 }
e66608
nt_sum_divisors_mod_v1_865884756_1856
Let $S$ be the set of all ordered pairs $(x, y)$ of positive integers such that $xy = 1587600$. Let $n$ be the minimum value of $x + y$ over all pairs in $S$. Let $\sigma$ be the sum of all positive divisors of $n$. Compute the remainder when $44262 \cdot \sigma$ is divided by $71129$.
37,024
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(1587600)))), expr=Sum(Var("x"), Var("y")))), "M": Const(1032...
NT
null
COMPUTE
sympy
B3
[ "B3" ]
0cd20d
nt_sum_divisors_mod_v1
null
4
0
[ "B3" ]
1
0.002
2026-02-08T16:19:40.528643Z
{ "verified": true, "answer": 37024, "timestamp": "2026-02-08T16:19:40.530754Z" }
bbe78c
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 131, "completion_tokens": 2173 }, "timestamp": "2026-02-17T01:53:12.225Z", "answer": 37024 }, ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
ad7264
nt_count_divisors_in_range_v1_971394319_84
Let $S$ be the set of all ordered pairs $(x, y)$ of positive integers such that $xy = 6350400$. Define $T$ to be the set of all values $x + y$ where $(x, y) \in S$. Let $n$ be the minimum element of $T$. Determine the number of positive divisors $d$ of $n$ such that $7 \leq d \leq 724$. Find the value of this number.
48
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(6350400)))), expr=Sum(Var("x"), Var("y")))), "a": Const(7), ...
NT
null
COUNT
sympy
B3
[ "B3" ]
0cd20d
nt_count_divisors_in_range_v1
null
5
0
[ "B3" ]
1
0.1
2026-02-08T12:49:54.918294Z
{ "verified": true, "answer": 48, "timestamp": "2026-02-08T12:49:55.018280Z" }
50f87c
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": 2267 }, "timestamp": "2026-02-15T05:42:54.941Z", "answer": 48 }, { ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "K13", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "V7", "status": "no" } ]
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
bf97e6
diophantine_product_count_v1_784195855_8077
Let $k = 120$ and let $u = 52$. Consider the set of all positive integers $x$ such that $1 \leq x \leq u$, $x$ divides $k$, and $\frac{k}{x} \leq u$. Compute the number of elements in this set.
12
graphs = [ Graph( let={ "k": Const(120), "upper": Const(52), "result": CountOverSet(set=SolutionsSet(var=Var("x"), condition=And(Geq(Var("x"), Const(1)), Leq(Var("x"), Ref("upper")), Divides(divisor=Var("x"), dividend=Ref("k")), Leq(Div(Ref("k"), Var("x")), Ref("upper")))...
NT
null
COUNT
sympy
ONE_PHI_2
[ "LIN_FORM", "V1" ]
489129
diophantine_product_count_v1
null
4
0
[ "LIN_FORM", "ONE_PHI_2", "V1" ]
3
0.077
2026-02-08T10:47:34.181294Z
{ "verified": true, "answer": 12, "timestamp": "2026-02-08T10:47:34.258712Z" }
6aecce
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 110, "completion_tokens": 1439 }, "timestamp": "2026-02-14T08:34:48.458Z", "answer": 12 }, { ...
1
[ { "lemma": "K14", "status": "no" }, { "lemma": "K5", "status": "same_pattern_wrong" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V1", "status": "ok"...
{ "lo": -6.96, "mid": -4.56, "hi": -1.46 }
38edd6
comb_count_partitions_v1_898971024_1646
Let $a$ be the largest prime number between $2$ and $8$, inclusive. For each $k$ from $1$ to $9$ and each $j$ from $1$ to $3$, compute $\phi(k) \left\lfloor \frac{9}{k} \right\rfloor$, and let $s$ be the sum of all these values. Let $n = \frac{a \cdot s}{21}$. Let $p(n)$ denote the number of integer partitions of $n$. ...
1,236
graphs = [ Graph( let={ "_m": Const(21), "_n": Const(9), "n": Div(Mul(MaxOverSet(set=SolutionsSet(var=Var("n1"), condition=And(Geq(Var("n1"), Const(2)), Leq(Var("n1"), Const(8)), IsPrime(Var("n1"))))), SumOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("k"...
NT
COMB
COUNT
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW/SUM_INDEPENDENT", "K2" ]
262f95
comb_count_partitions_v1
null
7
0
[ "K2", "MAX_PRIME_BELOW", "SUM_INDEPENDENT" ]
3
0.007
2026-02-08T16:13:00.819860Z
{ "verified": true, "answer": 1236, "timestamp": "2026-02-08T16:13:00.827235Z" }
add748
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 183, "completion_tokens": 2692 }, "timestamp": "2026-02-16T23:35:58.480Z", "answer": 1236 }, {...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "MOD_ADD", "status": "no" }, ...
{ "lo": 2.52, "mid": 6.26, "hi": 10 }
d1f5a7
nt_count_divisors_in_range_v1_2051736721_4452
Let $T$ be the set of all positive integers $t$ such that $36 \leq t \leq 1623$ and $t = 21a + 15b$ for some positive integers $a \leq 8$ and $b \leq 97$. Let $b = |T|$. Let $D$ be the number of positive divisors of $20160$ that are at least $1$ and at most $b$. Compute the smallest positive integer $k$ such that the $...
24
graphs = [ Graph( let={ "n": Const(20160), "a": Const(1), "b": 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=Co...
NT
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
nt_count_divisors_in_range_v1
null
6
0
[ "LIN_FORM" ]
1
0.016
2026-02-08T17:59:40.708145Z
{ "verified": true, "answer": 24, "timestamp": "2026-02-08T17:59:40.724167Z" }
1ab1c2
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 169, "completion_tokens": 5690 }, "timestamp": "2026-02-18T11:33:27.868Z", "answer": 24 }, { ...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "V8", "status": "no" ...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
b6b913
comb_factorial_compute_v1_784195855_6385
Let $n$ be the sum of all positive integers at most 7 that are divisible by 7. Determine the value of $n!$.
5,040
graphs = [ Graph( let={ "_n": Const(7), "n": SumOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Const(7)), Eq(Mod(value=Var("n"), modulus=Ref("_n")), Const(0))))), "result": Factorial(Ref("n")), }, goal=Ref("resu...
ALG
COMB
COMPUTE
sympy
SUM_DIVISIBLE
[ "SUM_DIVISIBLE" ]
02dbe3
comb_factorial_compute_v1
null
2
0
[ "SUM_DIVISIBLE" ]
1
0.001
2026-02-08T08:37:49.165931Z
{ "verified": true, "answer": 5040, "timestamp": "2026-02-08T08:37:49.167316Z" }
eee5d8
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 140, "completion_tokens": 366 }, "timestamp": "2026-02-24T09:43:17.142Z", "answer": 5040 }, { "id...
1
[ { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "SUM_DIVISIBLE", "status": "ok" } ]
{ "lo": -7.18, "mid": -5, "hi": -3.01 }
4837eb
nt_min_phi_inverse_v1_784195855_8104
Let $k$ be the number of integers $t$ such that $14 \leq t \leq 44$ and there exist positive integers $a$ and $b$ with $1 \leq a \leq 6$, $1 \leq b \leq 2$, and $t = 4a + 10b$. Let $n$ be the smallest positive integer such that $1 \leq n \leq 50$ and $\phi(n) = k$. Compute the remainder when $44121 \cdot n$ is divided ...
44,837
graphs = [ Graph( let={ "_n": Const(66092), "upper": Const(50), "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'), ri...
NT
null
EXTREMUM
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
nt_min_phi_inverse_v1
null
6
0
[ "LIN_FORM" ]
1
0.005
2026-02-08T10:49:33.749033Z
{ "verified": true, "answer": 44837, "timestamp": "2026-02-08T10:49:33.754200Z" }
7f3056
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 163, "completion_tokens": 1256 }, "timestamp": "2026-02-16T16:06:56.562Z", "answer": 44837 }, ...
1
[ { "lemma": "K16", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
ebe99d
nt_count_intersection_v1_1520064083_5136
Let $T$ be the set of all integers $t$ such that $22 \leq t \leq 15037$ and $t = 9a + 12b + 1$ for some positive integers $a$ and $b$ with $1 \leq a \leq 552$ and $1 \leq b \leq 839$. Let $N$ be the number of elements in $T$. Now, let $S$ be the set of all positive integers $n$ such that $1 \leq n \leq N$, $11$ divides...
15,067
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=552)), Geq(left=Var(name='b'), right=Const(value...
NT
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
nt_count_intersection_v1
null
6
0
[ "LIN_FORM" ]
1
0.164
2026-02-08T06:38:46.765870Z
{ "verified": true, "answer": 15067, "timestamp": "2026-02-08T06:38:46.930229Z" }
76d68c
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 204, "completion_tokens": 4222 }, "timestamp": "2026-02-13T03:00:38.648Z", "answer": 15067 }, ...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V3", "status": "no" } ]
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
165846
alg_telescope_v1_1218484723_1586
Let $A$ be the number of ordered pairs $(a,b)$ of integers with $1 \le a \le 40$ and $1 \le b \le 40$ such that $$17b^{2} + 17a^{2} - 34ab = 3332.$$ Define $$R = \sum_{k=0}^{A} \bigl((k+1)^{2} - k^{2}\bigr) \bmod B,$$ where $B$ is the number of integers $t$ for which there exist integers $a,b$ with $1 \le a \le 424$ an...
29,177
graphs = [ Graph( let={ "_m": Const(40), "_n": Const(62516), "result": Mod(value=Summation(var="k", start=Const(0), end=CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), Const(40)), Geq(Var("b"), C...
ALG
null
COMPUTE
sympy
QF_PSD_COUNT
[ "QF_PSD_COUNT", "LIN_FORM" ]
1faef7
alg_telescope_v1
null
8
0
[ "LIN_FORM", "QF_PSD_COUNT" ]
2
0.009
2026-02-25T03:19:06.157016Z
{ "verified": true, "answer": 29177, "timestamp": "2026-02-25T03:19:06.165611Z" }
b026a0
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 298, "completion_tokens": 2315 }, "timestamp": "2026-03-10T07:12:19.115Z", "answer": 29177 }, { "...
1
[ { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "QF_PSD_COUNT", "status": "ok" } ]
{ "lo": -2.47, "mid": 1.2, "hi": 4.81 }
94c84c
nt_sum_gcd_range_mod_v1_458359167_1724
Let $N$ be the maximum value of $xy$ over all pairs of positive integers $(x, y)$ such that $x + y = 174$. Let $\text{sum} = \sum_{n=1}^{N} \gcd(n, 168)$. Compute the remainder when $\text{sum}$ is divided by $10639$.
5,340
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")), Const(174)))), expr=Mul(Var("x"), Var("y")))), "k": Const(168), ...
NT
null
COMPUTE
sympy
B1
[ "B1" ]
5b950e
nt_sum_gcd_range_mod_v1
null
6
0
[ "B1" ]
1
0.34
2026-02-08T04:49:20.539028Z
{ "verified": true, "answer": 5340, "timestamp": "2026-02-08T04:49:20.879357Z" }
a0b51a
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 184, "completion_tokens": 2812 }, "timestamp": "2026-02-11T22:10:55.650Z", "answer": 5340 }, { "...
1
[ { "lemma": "B1", "status": "ok" }, { "lemma": "DS2", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "V3", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -3.42, "mid": 1.86, "hi": 7.55 }
090e22
diophantine_fbi2_min_v1_1439011603_1725
Let $n$ be the number of positive integers $p$ for which there exists a positive integer $q$ such that $pq = 12$, $\gcd(p, q) = 1$, and $p < q$. Let $k = 8$ and let the upper bound be $18$. Define $d$ to be an integer satisfying $4 \le d \le 18$, $d$ divides $k$, and $\frac{k}{d} \ge n$. Determine the value of the smal...
1,760
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=12)), Eq(left=GCD(a=Var(name='p'), b=Var(name='q')), right=Const(value=1)), ...
NT
null
EXTREMUM
sympy
B3
[ "B3", "COPRIME_PAIRS/B3" ]
bfccae
diophantine_fbi2_min_v1
negation_mod
5
0
[ "B3", "COPRIME_PAIRS" ]
2
0.017
2026-02-08T16:14:22.287894Z
{ "verified": true, "answer": 1760, "timestamp": "2026-02-08T16:14:22.304499Z" }
84b321
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 206, "completion_tokens": 1552 }, "timestamp": "2026-02-17T00:34:00.271Z", "answer": 1760 }, {...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", ...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
c67614
comb_count_permutations_fixed_v1_677425708_2838
Let $S$ be the set of all positive integers $p$ for which there exists a positive integer $q > p$ such that $pq = 24$ and $\gcd(p, q) = 1$. Let $m$ be the number of elements in $S$. Define $$ n = \sum_{k=1}^{3} \phi(k) \left\lfloor \frac{\sum_{k=1}^{m} k}{k} \right\rfloor. $$Compute the value of $\binom{n}{3} \cdot !(n...
23,140
graphs = [ Graph( let={ "_n": Const(19729), "n": Summation(var="k", start=Const(1), end=Const(3), expr=Mul(EulerPhi(n=Var("k")), Floor(Div(Summation(var="k", start=Const(1), end=CountOverSet(set=SolutionsSet(var=Var("p"), condition=And(IsPositive(arg=Var(name='p')), Exists(var=Var(na...
NT
COMB
COUNT
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS/SUM_ARITHMETIC/K2" ]
5e07bd
comb_count_permutations_fixed_v1
null
7
0
[ "COPRIME_PAIRS", "K2", "SUM_ARITHMETIC" ]
3
0.003
2026-02-08T05:19:44.735567Z
{ "verified": true, "answer": 23140, "timestamp": "2026-02-08T05:19:44.738320Z" }
c9ed59
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 202, "completion_tokens": 951 }, "timestamp": "2026-02-12T06:33:28.611Z", "answer": 23140 }, {...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "K13", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "K2", "status": "ok_later" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, {...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
416423
antilemma_v7_kummer_798873815_26
Let $m = 413$. Define $S$ to be the set of all positive integers $n$ such that $1 \leq n \leq m$ and $n \equiv 0 \pmod{59}$. Let $N$ be the sum of all elements in $S$. Determine the value of $k$ such that $2^k$ divides $\binom{4130}{N}$, but $2^{k+1}$ does not.
10
graphs = [ Graph( let={ "_m": Const(413), "_n": SumOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("_m")), Eq(Mod(value=Var("n"), modulus=Const(59)), Const(0))))), "x": MaxKDivides(target=Binom(n=Const(4130), k=Ref("_n")), b...
NT
null
COMPUTE
sympy
V7
[ "SUM_DIVISIBLE/V7", "V7" ]
3b997e
antilemma_v7_kummer
null
7
0
[ "SUM_DIVISIBLE", "V7" ]
2
0.01
2026-02-08T02:24:24.184179Z
{ "verified": true, "answer": 10, "timestamp": "2026-02-08T02:24:24.193935Z" }
661fc3
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 214, "completion_tokens": 3799 }, "timestamp": "2026-02-08T18:30:15.911Z", "answer": 10 }, { "id"...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "SUM_DIVISIBLE", "status": "ok" }, { "lemma": "V1", "status": "no" }, ...
{ "lo": -1.89, "mid": 1.79, "hi": 4.93 }
7cf40f
algebra_poly_eval_v1_677425708_3762
Let $T$ be the set of all integers $t$ such that $20 \leq t \leq 54$ and there exist integers $a$ and $b$ with $1 \leq a \leq 7$, $1 \leq b \leq 5$, and $t = 3a + 4b + 13$. Define $r = \frac{6 \cdot 9^5 + 23 \cdot 9^4 - 65 \cdot 9^3 - 45 \cdot 9^2 + 55 \cdot 9}{|T|}$. Let $Q$ be the remainder when $84523 \cdot r$ is di...
76,434
graphs = [ Graph( let={ "_n": Const(79608), "k": Const(9), "result": Div(Sum(Mul(Const(6), Pow(Ref("k"), Const(5))), Mul(Const(23), Pow(Ref("k"), Const(4))), Mul(Const(-65), Pow(Ref("k"), Const(3))), Mul(Const(-45), Pow(Ref("k"), Const(2))), Mul(Const(55), Ref("k"))), Cou...
NT
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
algebra_poly_eval_v1
null
5
0
[ "LIN_FORM" ]
1
0.005
2026-02-08T05:55:27.379395Z
{ "verified": true, "answer": 76434, "timestamp": "2026-02-08T05:55:27.384795Z" }
c0ad8b
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 200, "completion_tokens": 3403 }, "timestamp": "2026-02-12T16:50:05.491Z", "answer": 76434 }, ...
1
[ { "lemma": "K16", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -3.51, "mid": 1.33, "hi": 6.56 }
33d1a9
nt_count_coprime_v1_153355830_49
Let $ S $ be the set of all integers $ n $ such that $ 1 \leq n \leq 22500 $ and $ \gcd(n, 31) = 1 $. Compute the number of elements in $ S $.
21,775
graphs = [ Graph( let={ "upper": Const(22500), "k": Const(31), "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='d')))), Leq(Var("n"), Ref("upp...
NT
null
COUNT
sympy
MOBIUS_COPRIME
[ "MOBIUS_COPRIME" ]
ac54ac
nt_count_coprime_v1
null
4
0
[ "MOBIUS_COPRIME" ]
1
1.676
2026-02-08T02:51:27.068818Z
{ "verified": true, "answer": 21775, "timestamp": "2026-02-08T02:51:28.745273Z" }
3a1e94
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 166, "completion_tokens": 289 }, "timestamp": "2026-02-08T22:27:35.746Z", "answer": 21775 }, { "...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MOBIUS_COPRIME", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST"...
{ "lo": -6.49, "mid": 0.51, "hi": 7.52 }
782e08
alg_poly_orbit_count_v1_1218484723_2230
For a non-negative integer $a$, define a sequence by $N = (a^4 - 2a^3 + a^2 - 4a) \bmod 31$, $M = (N^4 - 2N^3 + N^2 - 4N) \bmod 31$, $R = (M^4 - 2M^3 + M^2 - 4M) \bmod 31$, $S = (R^4 - 2R^3 + R^2 - 4R) \bmod 31$, and $T = (S^4 - 2S^3 + S^2 - 4S) \bmod 31$. Find the number of integers $a$ with $0 \le a \le 38563$ such t...
6,220
graphs = [ Graph( let={ "p1": Mod(value=Sum(Pow(Var("a"), Const(4)), Mul(Const(-2), Pow(Var("a"), Const(3))), Pow(Var("a"), Const(2)), Mul(Const(-4), Var("a"))), modulus=Const(31)), "p2": Mod(value=Sum(Pow(Ref("p1"), Const(4)), Mul(Const(-2), Pow(Ref("p1"), Const(3))), Pow(Ref("p1"),...
ALG
null
COUNT
sympy
POLY_ORBIT_COUNT
[ "POLY_ORBIT_COUNT" ]
4ad965
alg_poly_orbit_count_v1
null
5
null
[ "POLY_ORBIT_COUNT" ]
1
0.081
2026-02-25T04:00:25.315939Z
{ "verified": true, "answer": 6220, "timestamp": "2026-02-25T04:00:25.397320Z" }
a1c367
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 316, "completion_tokens": 15130 }, "timestamp": "2026-03-29T03:40:35.544Z", "answer": 5 }, { "...
1
[ { "lemma": "POLY_ORBIT_COUNT", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": 3.81, "mid": 6.33, "hi": 9.49 }