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a38213
algebra_poly_eval_v1_2051736721_2494
Let $t = 6$. Let $c$ be the number of ordered pairs $(p, q)$ of positive integers such that $pq = 36$, $\gcd(p, q) = 1$, and $p < q$. Compute the value of $3t^4 - 4t^3 + 4t^c - t - 8$.
3,154
graphs = [ Graph( let={ "_n": Const(3), "t": Const(6), "result": Sum(Mul(Const(3), Pow(Ref("t"), Const(4))), Mul(Const(-4), Pow(Ref("t"), Ref("_n"))), Mul(Const(4), Pow(Ref("t"), CountOverSet(set=SolutionsSet(var=Var("p"), condition=And(IsPositive(arg=Var(name='p')), Exis...
NT
null
COMPUTE
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS" ]
2bb3aa
algebra_poly_eval_v1
null
4
0
[ "COPRIME_PAIRS" ]
1
0.004
2026-02-08T16:44:36.951498Z
{ "verified": true, "answer": 3154, "timestamp": "2026-02-08T16:44:36.955414Z" }
761ba1
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 123, "completion_tokens": 1207 }, "timestamp": "2026-02-17T10:34:42.633Z", "answer": 3154 }, {...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "K16", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "MOD_SUB", "status": "no"...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
d4cb65
comb_count_derangements_v1_601307018_7853
Let $D_n$ denote the number of derangements of $n$ elements. Let $N = D_8$. Find the remainder when $9711N$ is divided by $75628€.
47,551
graphs = [ Graph( let={ "n": Const(8), "result": Subfactorial(arg=Ref(name='n')), "Q": Mod(value=Mul(Const(9711), Ref("result")), modulus=Const(75628)), }, goal=Ref("Q"), ) ]
COMB
null
COUNT
sympy
STARS_BARS
[ "STARS_BARS" ]
a8801b
comb_count_derangements_v1
affine_mod
2
0
[ "STARS_BARS" ]
1
0.009
2026-03-10T08:23:49.926846Z
{ "verified": true, "answer": 47551, "timestamp": "2026-03-10T08:23:49.936271Z" }
fb321a
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 151, "completion_tokens": 1068 }, "timestamp": "2026-04-19T07:39:02.408Z", "answer": 47551 }, { ...
1
[ { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "STARS_BARS", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status": "no"...
{ "lo": -5.34, "mid": 1.1, "hi": 7.53 }
a707ee
algebra_vieta_sum_v1_168721529_1791
Let $f(x) = -x^3 + x^2 + 34x + s$, where $s$ is the number of ordered pairs $(i,j)$ with $1 \leq i \leq 2$ and $1 \leq j \leq 37$ such that $\gcd(i,j) = 1$. Define $r$ to be the sum of all real numbers $x$ such that $f(x) = 0$. Compute $44121 \cdot r$.
44,121
graphs = [ Graph( let={ "_n": Const(2), "result": SumOverSet(set=SolutionsSet(var=Var("x"), condition=Eq(Sum(Mul(Const(-1), Pow(Var("x"), Const(3))), Pow(Var("x"), Ref("_n")), Mul(Const(34), Var("x")), CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=...
NT
null
COMPUTE
sympy
COUNT_COPRIME_GRID
[ "COUNT_COPRIME_GRID" ]
20ec03
algebra_vieta_sum_v1
null
6
0
[ "COUNT_COPRIME_GRID" ]
1
0.012
2026-02-08T13:54:58.957360Z
{ "verified": true, "answer": 44121, "timestamp": "2026-02-08T13:54:58.969019Z" }
1ae7d2
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 217, "completion_tokens": 1632 }, "timestamp": "2026-02-09T21:39:22.246Z", "answer": 44121 }, { "...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "ok" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MOD_SUB",...
{ "lo": -8.26, "mid": -5.01, "hi": -1.76 }
dffe36
nt_min_coprime_above_v1_1978505735_5386
Let $p$ be the largest prime number at most $1265$. Let $T$ be the number of integers $t$ in the interval $44 \leq t \leq 4595$ that can be written as $t = 9a + 21b + 14$ for some integers $a$ and $b$ with $1 \leq a \leq 243$ and $1 \leq b \leq 114$. Let $n_1$ be the smallest integer greater than $p$ and at most $T$ su...
53,933
graphs = [ Graph( let={ "_n": Const(14901), "start": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Const(1265)), IsPrime(Var("n"))))), "upper": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'),...
NT
null
EXTREMUM
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW", "LIN_FORM" ]
d530e2
nt_min_coprime_above_v1
null
6
0
[ "LIN_FORM", "MAX_PRIME_BELOW" ]
2
0.027
2026-02-08T18:58:01.992161Z
{ "verified": true, "answer": 53933, "timestamp": "2026-02-08T18:58:02.019021Z" }
b9df32
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 195, "completion_tokens": 5788 }, "timestamp": "2026-02-18T20:50:36.166Z", "answer": 53933 }, ...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
d14fc9
nt_count_divisible_v1_1431428450_322
Let $N = 33072$ and $U = 55225$. Define $d$ to be the number of nonnegative integers $j \leq 33072$ for which $\binom{33072}{j}$ is odd. Compute the number of positive integers $n \leq 55225$ that are divisible by $d$.
3,451
graphs = [ Graph( let={ "_n": Const(33072), "upper": Const(55225), "divisor": CountOverSet(set=SolutionsSet(var=Var("j"), condition=And(Geq(Var("j"), Const(0)), Leq(Var("j"), Const(33072)), Eq(Mod(value=Binom(n=Ref("_n"), k=Var("j")), modulus=Const(2)), Const(1))), domain...
ALG
COMB
COUNT
sympy
V8
[ "V8" ]
86348e
nt_count_divisible_v1
null
6
0
[ "V8" ]
1
3.113
2026-02-08T13:23:27.139778Z
{ "verified": true, "answer": 3451, "timestamp": "2026-02-08T13:23:30.253228Z" }
4df266
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 183, "completion_tokens": 972 }, "timestamp": "2026-02-24T17:56:57.408Z", "answer": 3451 }, { "id...
1
[ { "lemma": "DS2", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V8", "status": "ok" } ]
{ "lo": -2.35, "mid": 1.22, "hi": 4.84 }
1ea8f2
antilemma_sum_factor_cartesian_v1_1116507919_227
For each ordered pair $(i, j)$ with $1 \leq i \leq 17$ and $1 \leq j \leq 20$, compute the product $i \cdot j$. Let $x$ be the sum of all such products. Compute the remainder when $65922 \cdot x$ is divided by $94955$.
7,630
graphs = [ Graph( let={ "x": SumOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=Const(1), domain=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(17)), right=IntegerRange(start=Const(1), end=Const(20)))), expr=Mul(Var("i"), Var("j")))), ...
NT
null
COMPUTE
sympy
SUM_FACTOR_CARTESIAN
[ "SUM_FACTOR_CARTESIAN" ]
d9e436
antilemma_sum_factor_cartesian_v1
null
3
0
[ "SUM_FACTOR_CARTESIAN" ]
1
0.001
2026-02-08T02:29:19.105316Z
{ "verified": true, "answer": 7630, "timestamp": "2026-02-08T02:29:19.106027Z" }
491a56
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 190, "completion_tokens": 1642 }, "timestamp": "2026-02-08T19:15:15.845Z", "answer": 7630 }, { "i...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "SUM_FACTOR_CARTESIAN", "status": "ok" }, { "lemma": "V1", "s...
{ "lo": -4.6, "mid": 0.19, "hi": 4.77 }
29598f
nt_lcm_compute_v1_124444284_5449
Let $a = 2489$ and $b = 760$. Compute the least common multiple of $a$ and $b$.
99,560
graphs = [ Graph( let={ "a": Const(2489), "b": Const(760), "result": LCM(a=Ref("a"), b=Ref("b")), }, goal=Ref("result"), ) ]
NT
null
COMPUTE
sympy
COUNT_SUM_EQUALS
[ "MIN_PRIME_FACTOR", "LIN_FORM" ]
41af5a
nt_lcm_compute_v1
null
2
0
[ "COUNT_SUM_EQUALS", "LIN_FORM", "MIN_PRIME_FACTOR" ]
3
0.027
2026-02-08T06:35:35.858371Z
{ "verified": true, "answer": 99560, "timestamp": "2026-02-08T06:35:35.885293Z" }
ef9c12
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": 679 }, "timestamp": "2026-02-13T02:18:05.869Z", "answer": 99560 }, { ...
1
[ { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V3", "status": "no" ...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
4628eb
nt_sum_gcd_range_mod_v1_865884756_1731
Let $N = 2704$ and $k = 108$. Define $$ S = \sum_{n=1}^{N} \gcd(n, k). $$ Let $r$ be the remainder when $S$ is divided by $11833$. Let $T$ be the set of all ordered pairs $(x, y)$ of positive integers such that $xy = 9253764$. Let $c$ be the minimum value of $x + y$ over all such pairs. Compute $c - r$.
1,707
graphs = [ Graph( let={ "N": Const(2704), "k": Const(108), "M": Const(11833), "sum": Summation(var="n", start=Const(1), end=Ref("N"), expr=GCD(a=Var("n"), b=Ref("k"))), "result": Mod(value=Ref("sum"), modulus=Ref("M")), "_c": MinOverSet...
NT
null
COMPUTE
sympy
B3
[ "B3" ]
fc629c
nt_sum_gcd_range_mod_v1
negation_mod
5
0
[ "B3" ]
1
0.237
2026-02-08T16:14:33.535592Z
{ "verified": true, "answer": 1707, "timestamp": "2026-02-08T16:14:33.772839Z" }
28fe1c
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": 2087 }, "timestamp": "2026-02-17T00:16:44.538Z", "answer": 1707 }, {...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "L3c", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
1f05ba
antilemma_sum_equals_v1_809748730_422
Let $n = 42$. Define $x$ to be the number of ordered pairs $(i, j)$ of positive integers such that $i + j = n$, $1 \leq i \leq 40$, and $1 \leq j \leq 41$. Let $Q$ be the remainder when $44121 \cdot x$ is divided by $58579$. Find the value of $Q$.
7,470
graphs = [ Graph( let={ "_n": Const(42), "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(40)), right=IntegerRange(start=Const(1), end=Con...
COMB
GEOM
COMPUTE
sympy
LIN_FORM
[ "COUNT_SUM_EQUALS" ]
75ab0f
antilemma_sum_equals_v1
null
2
0
[ "COUNT_SUM_EQUALS", "LIN_FORM" ]
2
0.025
2026-02-08T11:30:49.964090Z
{ "verified": true, "answer": 7470, "timestamp": "2026-02-08T11:30:49.989554Z" }
d045c7
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 200, "completion_tokens": 836 }, "timestamp": "2026-02-24T14:00:35.270Z", "answer": 7470 }, { "id...
1
[ { "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": -3.84, "mid": -1.67, "hi": 1.32 }
b1db78
modular_sum_quadratic_residues_v1_124444284_10024
Let $p$ be the number of positive integers $k$ with $1 \leq k \leq 55400$ that are divisible by $200$. Compute the value of $\frac{p(p-1)}{4}$.
19,113
graphs = [ Graph( let={ "_n": Const(4), "p": CountOverSet(set=SolutionsSet(var=Var("k"), condition=And(Geq(Var("k"), Const(1)), Leq(Var("k"), Const(55400)), Divides(divisor=Const(200), dividend=Var("k"))), domain='positive_integers')), "result": Div(Mul(Ref("p"), Sub(Ref(...
ALG
NT
SUM
sympy
C2
[ "C2" ]
9685eb
modular_sum_quadratic_residues_v1
null
2
0
[ "C2" ]
1
0.001
2026-02-08T12:47:27.798330Z
{ "verified": true, "answer": 19113, "timestamp": "2026-02-08T12:47:27.799803Z" }
92c185
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 92, "completion_tokens": 413 }, "timestamp": "2026-02-15T05:27:48.380Z", "answer": 19113 }, { ...
1
[ { "lemma": "C2", "status": "ok" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" } ]
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
3f6906
nt_count_coprime_v1_124444284_2528
Let $r$ be the number of positive integers $n \leq 31684$ such that $\gcd(n, 49) = 1$. Let $c$ be the number of ordered pairs $(i, j)$ with $1 \leq i \leq 38$ and $1 \leq j \leq 85$ such that $\gcd(i, j) = 1$. Compute the remainder when $r \bmod 251 + c \cdot (r \bmod 397)$ is divided by $82794$.
76,154
graphs = [ Graph( let={ "_n": Const(397), "upper": Const(31684), "k": Const(49), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("upper")), Eq(GCD(a=Var("n"), b=Ref("k")), Const(1))))), ...
NT
null
COUNT
sympy
COUNT_COPRIME_GRID
[ "COUNT_COPRIME_GRID" ]
283923
nt_count_coprime_v1
two_moduli
5
0
[ "COUNT_COPRIME_GRID" ]
1
3.125
2026-02-08T04:44:42.233645Z
{ "verified": true, "answer": 76154, "timestamp": "2026-02-08T04:44:45.358474Z" }
21aa70
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 228, "completion_tokens": 3106 }, "timestamp": "2026-02-11T22:02:18.463Z", "answer": 76154 }, { ...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "ok" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "MOD_MUL", "st...
{ "lo": -3.49, "mid": 1.84, "hi": 7.55 }
204a6d
comb_bell_compute_v1_1520064083_4700
Let $n$ be the number of integers $j$ with $0 \le j \le 8706$ such that $\binom{8706}{j}$ is odd. Let $B_n$ denote the $n$th Bell number, which counts the number of partitions of a set of $n$ elements. Let $c = 81941$ and $m = 71970$. Compute the remainder when $c \cdot B_n$ is divided by $m$.
41,130
graphs = [ Graph( let={ "_n": Const(71970), "n": CountOverSet(set=SolutionsSet(var=Var("j"), condition=And(Geq(Var("j"), Const(0)), Leq(Var("j"), Const(8706)), Eq(Mod(value=Binom(n=Const(8706), k=Var("j")), modulus=Const(2)), Const(1))), domain='nonnegative_integers')), "...
COMB
null
COMPUTE
sympy
V8
[ "V8" ]
86348e
comb_bell_compute_v1
null
6
0
[ "V8" ]
1
0.001
2026-02-08T06:23:19.578058Z
{ "verified": true, "answer": 41130, "timestamp": "2026-02-08T06:23:19.578851Z" }
47afcf
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 211, "completion_tokens": 2399 }, "timestamp": "2026-02-24T06:06:28.645Z", "answer": 41130 }, { "...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "V8", "status": "ok" } ]
{ "lo": -2.46, "mid": 0.47, "hi": 3.59 }
0492c3
comb_count_partitions_v1_458359167_2476
Let $n$ be the sum of all positive integers $k$ such that $1 \le k \le 40$ and $k$ is divisible by 40. Let $p(n)$ denote the number of integer partitions of $n$. Let $c = 18305$ and define $Q = (c \cdot p(n)) \mod 68347$. Compute $Q$.
2,090
graphs = [ Graph( let={ "_n": Const(40), "n": SumOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Const(40)), Eq(Mod(value=Var("n"), modulus=Ref("_n")), Const(0))))), "result": Partition(arg=Ref(name='n')), "_c": Cons...
COMB
null
COUNT
sympy
SUM_DIVISIBLE
[ "SUM_DIVISIBLE" ]
02dbe3
comb_count_partitions_v1
null
5
0
[ "SUM_DIVISIBLE" ]
1
0.001
2026-02-08T05:26:28.850256Z
{ "verified": true, "answer": 2090, "timestamp": "2026-02-08T05:26:28.851182Z" }
f1d03b
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 192, "completion_tokens": 19724 }, "timestamp": "2026-02-24T05:56:47.750Z", "answer": 2090 }, { "...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "SUM_DIVISIBLE", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "n...
{ "lo": -0.06, "mid": 2.89, "hi": 5.27 }
fd2c21
sequence_count_fib_divisible_v1_53965629_58
Let $n$ be a positive integer such that $1 \leq n \leq 463$ and the $n$th Fibonacci number is divisible by 4. Compute the number of such integers $n$.
77
graphs = [ Graph( let={ "upper": Const(463), "d": Const(4), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("upper")), Divides(divisor=Ref("d"), dividend=Fibonacci(arg=Var(name='n')))))), }, go...
NT
null
COUNT
sympy
B3
[ "B3" ]
0cd20d
sequence_count_fib_divisible_v1
null
5
0
[ "B3" ]
1
0.111
2026-02-08T11:15:45.797432Z
{ "verified": true, "answer": 77, "timestamp": "2026-02-08T11:15:45.908633Z" }
87b4aa
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 159, "completion_tokens": 1066 }, "timestamp": "2026-02-09T11:28:51.163Z", "answer": 77 }, { "id"...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -6.96, "mid": -4.56, "hi": -1.46 }
ef10b3
diophantine_fbi2_min_v1_655260480_5088
Let $d$ be an integer satisfying the following conditions: \begin{itemize} \item $d \geq \sum_{k_1=1}^{2} \varphi(k_1) \left\lfloor \frac{2}{k_1} \right\rfloor$, \item $d \leq 16$, \item $d$ divides $6$, \item $\frac{6}{d} \geq 2$. \end{itemize} Let $r$ be the smallest such $d$. Compute $32761 - r$.
32,758
graphs = [ Graph( let={ "_n": Const(2), "k": Const(6), "upper": Const(16), "result": MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Summation(var="k1", start=Const(1), end=Ref("_n"), expr=Mul(EulerPhi(n=Var("k1")), Floor(Div(Const(2), Va...
NT
null
EXTREMUM
sympy
K2
[ "K2" ]
6897ab
diophantine_fbi2_min_v1
null
5
0
[ "K2" ]
1
0.004
2026-02-08T18:16:17.425923Z
{ "verified": true, "answer": 32758, "timestamp": "2026-02-08T18:16:17.429920Z" }
ed38e1
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 183, "completion_tokens": 639 }, "timestamp": "2026-02-16T12:14:49.832Z", "answer": 32759 }, { "id": 11...
1
[ { "lemma": "K14", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "V5", "status": "no" }, { "lemma": "V8", "status": "no" } ]
{ "lo": -8.26, "mid": -5.01, "hi": -1.76 }
4af49b
antilemma_sum_equals_v1_784195855_9268
Let $x$ be the number of ordered pairs $(i, j)$ of positive integers such that $i + j = 82$, $1 \leq i \leq 81$, and $1 \leq j \leq 82$. Let $y$ be the number of ordered pairs of positive odd integers $(x_1, x_2)$ such that $x_1 + x_2 = 9882$. Compute the remainder when $x \cdot y$ is divided by $93110$. Determine the ...
27,781
graphs = [ Graph( let={ "_m": Const(93110), "_n": Const(82), "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(81)), right=Inte...
COMB
GEOM
COMPUTE
sympy
COMB1
[ "COMB1", "COUNT_SUM_EQUALS" ]
a8cbfb
antilemma_sum_equals_v1
affine_mod
3
0
[ "COMB1", "COUNT_SUM_EQUALS" ]
2
0.01
2026-02-08T16:40:20.349748Z
{ "verified": true, "answer": 27781, "timestamp": "2026-02-08T16:40:20.359519Z" }
e044d7
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": 884 }, "timestamp": "2026-02-17T09:26:35.285Z", "answer": 27781 }, {...
1
[ { "lemma": "C2", "status": "no" }, { "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...
{ "lo": -2.38, "mid": 1.74, "hi": 6.59 }
4b310f
nt_sum_gcd_range_mod_v1_677425708_3263
Let $S$ be the set of all ordered pairs $(x,y)$ of positive integers such that $xy = 63504$. Let $T$ be the set of all values $x+y$ where $(x,y) \in S$. Let $k$ be the minimum value in $T$. Define $$\sum_{n=1}^{1225} \gcd(n, k).$$ Find the remainder when this sum is divided by $11393$.
1,640
graphs = [ Graph( let={ "N": Const(1225), "k": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Mul(Var("x"), Var("y")), Const(63504)))), expr=Sum(Var("x"), Var("y")))),...
NT
null
COMPUTE
sympy
B3
[ "B3" ]
0cd20d
nt_sum_gcd_range_mod_v1
null
6
0
[ "B3" ]
1
0.056
2026-02-08T05:35:58.176676Z
{ "verified": true, "answer": 1640, "timestamp": "2026-02-08T05:35:58.232782Z" }
c2a5c4
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": 3168 }, "timestamp": "2026-02-12T11:36:53.576Z", "answer": 1640 }, {...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
b89808
nt_sum_divisors_mod_v1_1742523217_2372
Consider the set of all ordered pairs $(x,y)$ of positive integers such that $xy = 14400$. For each such pair, compute the sum $x + y$. Let $n$ be the minimum value of these sums. Let $\sigma$ denote the sum of all positive divisors of $n$, and let $M = 10687$. Define $r$ to be the remainder when $\sigma$ is divided b...
24,035
graphs = [ Graph( let={ "_n": Const(84119), "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(14400)))), expr=Sum(Var("x"), Var("y")))...
NT
null
COMPUTE
sympy
B3
[ "B3" ]
0cd20d
nt_sum_divisors_mod_v1
null
5
0
[ "B3" ]
1
0.001
2026-02-08T04:43:11.077222Z
{ "verified": true, "answer": 24035, "timestamp": "2026-02-08T04:43:11.078642Z" }
0866ff
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 218, "completion_tokens": 930 }, "timestamp": "2026-02-11T21:53:51.519Z", "answer": 24035 }, { "...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "K14", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -3.49, "mid": 1.84, "hi": 7.55 }
338602
geo_visible_lattice_v1_1742523217_1218
Let $ n = 128 $. 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 $ 39601 - L $.
29,558
graphs = [ Graph( let={ "n": Const(128), "result": VisibleLatticePoints(n=Ref(name='n')), "_c": Const(39601), "Q": Sub(Ref("_c"), Ref("result")), }, goal=Ref("Q"), ) ]
GEOM
null
COUNT
sympy
[]
geo_visible_lattice_v1
null
5
0
null
null
0.735
2026-02-08T03:32:16.201853Z
{ "verified": true, "answer": 29558, "timestamp": "2026-02-08T03:32:16.936909Z" }
32b351
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 175, "completion_tokens": 6385 }, "timestamp": "2026-02-10T05:16:01.341Z", "answer": 29486 }, { ...
1
[]
{ "lo": 3.43, "mid": 5.73, "hi": 8.84 }
726cf5
comb_count_surjections_v1_1218484723_5975
Let $k = 6$ and $n = \sum_{k1=0}^{2} 2^{k1}$. Compute $k! \cdot S(n, k)$, where $S(n, k)$ denotes the Stirling number of the second kind.
15,120
graphs = [ Graph( let={ "n": Summation(var="k1", start=Const(0), end=Const(2), expr=Pow(Const(2), Var("k1"))), "k": Const(6), "result": Mul(Factorial(Ref("k")), Stirling2(n=Ref(name='n'), k=Ref(name='k'))), }, goal=Ref("result"), ) ]
COMB
null
COUNT
sympy
SUM_GEOM
[ "SUM_GEOM" ]
04214c
comb_count_surjections_v1
null
2
0
[ "SUM_GEOM" ]
1
0.001
2026-02-25T07:34:09.671995Z
{ "verified": true, "answer": 15120, "timestamp": "2026-02-25T07:34:09.672897Z" }
dd2360
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 168, "completion_tokens": 659 }, "timestamp": "2026-03-29T23:40:45.692Z", "answer": 15120 }, { "i...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "SUM_GEOM", "status": "ok" }, { "lemma": "V8", "sta...
{ "lo": -3.33, "mid": 1.03, "hi": 5.26 }
b1b5d5
diophantine_fbi2_count_v1_898971024_308
Let $k$ be the minimum value of $x + y$ over all ordered pairs $(x, y)$ of positive integers such that $xy = 14400$. Let $m = 2$ and $n = 4$. Let $P$ be the set of prime numbers $p$ such that $2 \le p \le 131$. Let $q$ be the largest prime in $P$. Determine the number of positive integers $d$ such that $4 \le d \le 131...
14
graphs = [ Graph( let={ "_m": Const(2), "_n": Const(4), "k": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Mul(Var("x"), Var("y")), Const(14400)))), expr=...
NT
null
COUNT
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW/MAX_PRIME_BELOW", "B3" ]
ca513e
diophantine_fbi2_count_v1
null
6
0
[ "B3", "MAX_PRIME_BELOW" ]
2
0.021
2026-02-08T15:20:10.090947Z
{ "verified": true, "answer": 14, "timestamp": "2026-02-08T15:20:10.111497Z" }
74c82b
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 177, "completion_tokens": 1367 }, "timestamp": "2026-02-16T03:17:46.940Z", "answer": 14 }, { ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "V8...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
3d387f
comb_binomial_compute_v1_1978505735_5522
Let $n$ be the number of integers $t$ such that $10 \leq t \leq 38$ and there exist integers $a$ and $b$ with $1 \leq a \leq 5$, $1 \leq b \leq 3$, and $t = 4a + 6b$. Let $k$ be the number of positive integers $n_1$ at most $60$ such that $6$ divides the $n_1$-th Fibonacci number. Compute $\binom{n}{k}$.
1,287
graphs = [ Graph( let={ "_n": Const(6), "n": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=5)), Geq(left=Var(na...
NT
null
COMPUTE
sympy
COUNT_FIB_DIVISIBLE
[ "COUNT_FIB_DIVISIBLE", "LIN_FORM" ]
0f3003
comb_binomial_compute_v1
null
5
0
[ "COUNT_FIB_DIVISIBLE", "LIN_FORM" ]
2
0.004
2026-02-08T19:02:40.184628Z
{ "verified": true, "answer": 1287, "timestamp": "2026-02-08T19:02:40.188692Z" }
d87623
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": 1938 }, "timestamp": "2026-02-18T21:12:22.242Z", "answer": 1287 }, {...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "ok" }, { "lemma": "K14", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "V1", "status": "no" }...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
f14cf3
nt_min_coprime_above_v1_48377204_1323
Let $S$ be the set of all ordered pairs $(x, y)$ of positive integers such that $xy = 33489$. Let $m$ be the minimum value of $x + y$ over all such pairs. Let $I$ be the interval of integers $n$ such that $57291 < n \leq 57667$ and $\gcd(n, m) = 1$. Compute the smallest element of $I$.
57,293
graphs = [ Graph( let={ "start": Const(57291), "upper": Const(57667), "modulus": 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")), Co...
NT
null
EXTREMUM
sympy
B3
[ "B3" ]
0cd20d
nt_min_coprime_above_v1
null
4
0
[ "B3" ]
1
0.04
2026-02-08T16:01:43.150917Z
{ "verified": true, "answer": 57293, "timestamp": "2026-02-08T16:01:43.190572Z" }
3186dd
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 138, "completion_tokens": 1002 }, "timestamp": "2026-02-16T19:55:03.334Z", "answer": 57293 }, ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "DS2", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
7ad089
diophantine_fbi2_count_v1_1520064083_57
Let $k = 420$. Determine the number of integers $d$ such that $5 \leq d \leq 124$, $d$ divides $k$, and $6 \leq \frac{k}{d} \leq 125$.
15
graphs = [ Graph( let={ "k": Const(420), "a": Const(4), "b": Const(5), "upper": Const(120), "result": CountOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(5)), Leq(Var("d"), Const(124)), Divides(divisor=Var("d"), dividend=R...
NT
null
COUNT
sympy
LIN_FORM
[ "COMB1/COUNT_FIB_DIVISIBLE/C5" ]
e1b46c
diophantine_fbi2_count_v1
null
3
0
[ "C5", "COMB1", "COUNT_FIB_DIVISIBLE", "LIN_FORM" ]
4
0.073
2026-02-08T02:58:35.437414Z
{ "verified": true, "answer": 15, "timestamp": "2026-02-08T02:58:35.510084Z" }
a4c81e
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 164, "completion_tokens": 3651 }, "timestamp": "2026-02-10T12:06:55.085Z", "answer": 15 }, { "id"...
1
[ { "lemma": "C5", "status": "ok_later" }, { "lemma": "COMB1", "status": "ok" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "ok_later" }, { "lemma": "K13", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "K5", "status": "no" }, ...
{ "lo": -5.55, "mid": -3.02, "hi": 0.3 }
b88f79
comb_sum_binomial_row_v1_124444284_10083
Let $S$ be the set of all ordered pairs $(p, q)$ of positive integers such that $pq = 36$, $\gcd(p, q) = 1$, and $p < q$. Let $N = |S|^{12}$. Compute the remainder when $15505 \cdot N$ is divided by $54258$.
26,620
graphs = [ Graph( let={ "_n": Const(54258), "n": Const(12), "result": Pow(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=36)), Eq...
NT
null
SUM
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS" ]
2bb3aa
comb_sum_binomial_row_v1
null
3
0
[ "COPRIME_PAIRS" ]
1
0.002
2026-02-08T12:49:15.094806Z
{ "verified": true, "answer": 26620, "timestamp": "2026-02-08T12:49:15.097287Z" }
5da5e8
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 117, "completion_tokens": 1399 }, "timestamp": "2026-02-15T05:31:32.333Z", "answer": 26620 }, ...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" } ]
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
673b0b
alg_linear_system_2x2_v1_601307018_2880
Let $\det = 2 \cdot (-3) - (-10) \cdot (-15)$, $M = 21751 \cdot (-3) - (-79973) \cdot (-15)$, and $$R = \min\{ -96a b^{2} + 24 a^{2} b + 98 b^{3} : a, b \in \mathbb{Z}^+,\, 1 \leq a \leq 20,\, 1 \leq b \leq 20 \} \cdot (-79973) - (-10) \cdot 21751.$$ Compute $\frac{M}{\det} + \frac{R}{\det}$.
7,739
graphs = [ Graph( let={ "_n": Const(21751), "num_x": Sub(Mul(Ref("_n"), Const(-3)), Mul(Const(-79973), Const(-15))), "num_y": Sub(Mul(MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), ...
ALG
null
COMPUTE
sympy
POLY3_MIN
[ "POLY3_MIN" ]
e2e279
alg_linear_system_2x2_v1
null
5
0
[ "POLY3_MIN" ]
1
0.004
2026-03-10T03:29:55.669123Z
{ "verified": true, "answer": 7739, "timestamp": "2026-03-10T03:29:55.673035Z" }
8ef4a3
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 265, "completion_tokens": 2960 }, "timestamp": "2026-03-29T06:48:02.056Z", "answer": 7739 }, { "i...
1
[ { "lemma": "POLY3_MIN", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": -2.46, "mid": 1.23, "hi": 4.93 }
caf404
antilemma_sum_equals_v1_1520064083_9972
Let $n = 41$. Determine the number of ordered pairs $(i, j)$ of integers such that $1 \le i \le 40$, $1 \le j \le 40$, and $i + j = n$. Let $x$ be this number. Find the remainder when $83117x$ is divided by $61663$.
56,541
graphs = [ Graph( let={ "_n": Const(41), "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(40)), right=IntegerRange(start=Const(1), end=Con...
COMB
GEOM
COMPUTE
sympy
COUNT_SUM_EQUALS
[ "COUNT_SUM_EQUALS" ]
75ab0f
antilemma_sum_equals_v1
null
3
0
[ "COUNT_SUM_EQUALS" ]
1
0.007
2026-02-08T11:04:48.415303Z
{ "verified": true, "answer": 56541, "timestamp": "2026-02-08T11:04:48.422445Z" }
cbc532
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 184, "completion_tokens": 858 }, "timestamp": "2026-02-24T12:50:30.326Z", "answer": 56541 }, { "i...
1
[ { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", ...
{ "lo": -2.35, "mid": 1.22, "hi": 4.84 }
1a2db3
nt_count_gcd_equals_v1_124444284_10354
Let $k$ be the number of integers $t$ such that $30 \leq t \leq 558$ and $t = 9a + 21b$ for some integers $a$ and $b$ with $1 \leq a \leq 13$ and $1 \leq b \leq 21$. Determine the number of positive integers $n$ such that $1 \leq n \leq 23104$ and $\gcd(n, k) = 165$.
140
graphs = [ Graph( let={ "upper": Const(23104), "k": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=13)), Geq(lef...
NT
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
nt_count_gcd_equals_v1
null
5
0
[ "LIN_FORM" ]
1
3.867
2026-02-08T13:00:23.660313Z
{ "verified": true, "answer": 140, "timestamp": "2026-02-08T13:00:27.527519Z" }
3b2dbc
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 148, "completion_tokens": 6019 }, "timestamp": "2026-02-15T09:04:14.641Z", "answer": 140 }, { ...
1
[ { "lemma": "K16", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
239350
lin_form_endings_v1_1978505735_1987
Let $a = 84$ and $b = 24$. Compute the least common multiple of $a$ and $b$, multiply it by $12431$, and then compute the remainder when this product is divided by $77520$. Find the value of this remainder.
72,888
graphs = [ Graph( let={ "a_coeff": Const(84), "b_coeff": Const(24), "_inner_result": LCM(a=Ref("a_coeff"), b=Ref("b_coeff")), "_scale_k": Const(12431), "_scaled": Mul(Ref("_scale_k"), Ref("_inner_result")), "_mod_M": Const(77520), ...
COMB
NT
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
lin_form_endings_v1
null
2
null
[ "LIN_FORM" ]
1
0.001
2026-02-08T16:35:22.484672Z
{ "verified": true, "answer": 72888, "timestamp": "2026-02-08T16:35:22.485387Z" }
009628
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 103, "completion_tokens": 2772 }, "timestamp": "2026-02-17T07:17:55.247Z", "answer": 72888 }, ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V8_SUM", ...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
d07d3f
diophantine_fbi2_count_v1_784195855_8168
Let $S$ be the set of all ordered pairs $(x, y)$ of positive integers such that $xy = 44100$. Let $k$ be the minimum value of $x + y$ over all pairs $(x, y) \in S$. Determine the number of positive divisors $d$ of $k$ such that $5 \leq d \leq 132$, and the quotient $k/d$ is an integer between 2 and 129, inclusive.
17
graphs = [ Graph( let={ "_n": Const(5), "k": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Mul(Var("x"), Var("y")), Const(44100)))), expr=Sum(Var("x"), Var("y")))), ...
NT
null
COUNT
sympy
B3
[ "B3" ]
0cd20d
diophantine_fbi2_count_v1
null
5
0
[ "B3" ]
1
0.028
2026-02-08T15:55:18.078108Z
{ "verified": true, "answer": 17, "timestamp": "2026-02-08T15:55:18.106150Z" }
66ace7
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 145, "completion_tokens": 1846 }, "timestamp": "2026-02-16T16:12:54.702Z", "answer": 17 }, { ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status"...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
ca570e
nt_count_gcd_equals_v1_1874849503_744
Let $T$ be the set of all integers $t$ such that $27 \leq t \leq 705$ and $t = 6a + 21b$ for some positive integers $a \leq 51$ and $b \leq 19$. Let $k$ be the number of elements in $T$. Determine the number of positive integers $n$ such that $1 \leq n \leq 15129$ and $\gcd(n, k) = 221$.
68
graphs = [ Graph( let={ "upper": Const(15129), "k": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=51)), Geq(lef...
NT
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
nt_count_gcd_equals_v1
null
7
0
[ "LIN_FORM" ]
1
3.507
2026-02-08T13:16:42.649866Z
{ "verified": true, "answer": 68, "timestamp": "2026-02-08T13:16:46.156582Z" }
707298
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 219, "completion_tokens": 4909 }, "timestamp": "2026-02-09T20:29:58.226Z", "answer": 68 }, { "id"...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V1", "status": "n...
{ "lo": -9.12, "mid": -6.02, "hi": -3.62 }
5344c3
comb_count_surjections_v1_1440796553_1110
Let $n$ be the number of elements in the Cartesian product of the sets $\{1, 2\}$ and $\{1, 2, 3\}$. Let $k$ be the number of ordered pairs $(x_1, x_2)$ of positive odd integers such that $x_1 + x_2 = 10$. Compute $k! \cdot S(n, k)$, where $S(n, k)$ denotes the Stirling number of the second kind. Find the remainder whe...
35,688
graphs = [ Graph( let={ "_n": Const(97282), "n": CountOverSet(set=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(2)), right=IntegerRange(start=Const(1), end=Const(3)))), "k": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x1"), Var("x2")]), condition...
COMB
null
COUNT
sympy
COUNT_CARTESIAN
[ "COUNT_CARTESIAN", "COMB1" ]
e44290
comb_count_surjections_v1
null
5
0
[ "COMB1", "COUNT_CARTESIAN" ]
2
0.003
2026-02-08T12:11:41.022721Z
{ "verified": true, "answer": 35688, "timestamp": "2026-02-08T12:11:41.026007Z" }
288ec5
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 232, "completion_tokens": 2299 }, "timestamp": "2026-02-24T15:21:44.868Z", "answer": 35688 }, { "...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COMB1", "status": "ok" }, { "lemma": "COUNT_CARTESIAN", "status": "ok" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "V7", "status":...
{ "lo": -2.35, "mid": 1.22, "hi": 4.84 }
409724
nt_sum_divisors_range_v1_458359167_2273
Let $ N $ be the number of positive integers $ n $ such that $ 1 \leq n \leq 210000 $ and $ 20 $ divides the $ n $-th Fibonacci number. Compute the sum of the number of positive divisors of all positive integers from $ 1 $ to $ N $. That is, compute $$ \sum_{k=1}^{N} \tau(k),$$ where $ \tau(k) $ is the number of positi...
63,071
graphs = [ Graph( let={ "_n": Const(20), "upper": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Const(210000)), Divides(divisor=Ref("_n"), dividend=Fibonacci(arg=Var(name='n')))))), "result": SumOverSet(set=MapOverSet(set...
NT
null
SUM
sympy
COUNT_FIB_DIVISIBLE
[ "COUNT_FIB_DIVISIBLE" ]
66de3c
nt_sum_divisors_range_v1
null
7
0
[ "COUNT_FIB_DIVISIBLE" ]
1
0.297
2026-02-08T05:17:14.554001Z
{ "verified": true, "answer": 63071, "timestamp": "2026-02-08T05:17:14.851061Z" }
31781b
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 145, "completion_tokens": 4093 }, "timestamp": "2026-02-12T06:03:01.560Z", "answer": 63071 }, ...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "ok" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "V5", ...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
77acde
geo_visible_lattice_v1_1918700295_1981
Let $n = 77$. Define $S$ as the set of all ordered pairs $(x, y)$ of positive integers such that $1 \leq x, y \leq n$ and $\gcd(x, y) = 1$. Let $Q = 32768 - |S|$. Compute the value of $Q$.
29,105
graphs = [ Graph( let={ "n": Const(77), "result": VisibleLatticePoints(n=Ref(name='n')), "Q": Sub(Const(32768), Ref("result")), }, goal=Ref("Q"), ) ]
GEOM
null
COUNT
sympy
[]
geo_visible_lattice_v1
null
3
0
null
null
0.126
2026-02-08T07:36:05.275586Z
{ "verified": true, "answer": 29105, "timestamp": "2026-02-08T07:36:05.401686Z" }
0d9f01
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 182, "completion_tokens": 7206 }, "timestamp": "2026-02-24T08:19:41.636Z", "answer": 29102 }, { ...
1
[]
{ "lo": 1.15, "mid": 4.18, "hi": 6.61 }
7ef3a6
diophantine_product_count_v1_865884756_4316
Let $k = 420$ and $n = 9$. Let $r$ be the number of positive integers $x$ such that $1 \leq x \leq 242$, $x$ divides $k$, and $\frac{k}{x} \leq 242$. Let $c$ be the number of integers $t$ such that $9 \leq t \leq 9045$ and there exist positive integers $a$ and $b$ with $1 \leq a \leq 1157$, $1 \leq b \leq 815$, and $t ...
9,707
graphs = [ Graph( let={ "_n": Const(9), "k": Const(420), "upper": Const(242), "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...
NT
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM" ]
2ba0ea
diophantine_product_count_v1
quadratic_mod
4
0
[ "LIN_FORM" ]
1
0.018
2026-02-08T17:53:11.971965Z
{ "verified": true, "answer": 9707, "timestamp": "2026-02-08T17:53:11.989472Z" }
70c980
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 188, "completion_tokens": 5613 }, "timestamp": "2026-02-18T09:10:21.503Z", "answer": 9707 }, {...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "V7", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
8fab39
antilemma_k2_v1_124444284_8596
Define $x = \sum_{k=1}^{257} \phi(k) \left\lfloor \frac{257}{k} \right\rfloor$. Let $y$ be the sum of all real solutions to the equation $t^2 - 7001t - 288722 = 0$. Compute the remainder when $\left(x \bmod{199}\right) + \left(y \cdot \left(x \bmod{499}\right)\right)$ is divided by $64300$.
54,438
graphs = [ Graph( let={ "_m": Const(64300), "_n": Const(257), "x": Summation(var="k", start=Const(1), end=Ref("_n"), expr=Mul(EulerPhi(n=Var("k")), Floor(Div(Const(257), Var("k"))))), "Q": Mod(value=Sum(Mod(value=Ref("x"), modulus=Const(199)), Mul(SumOverSet(s...
NT
COMB
COMPUTE
sympy
VIETA_SUM
[ "VIETA_SUM", "K2" ]
838ba1
antilemma_k2_v1
two_moduli
7
0
[ "K2", "VIETA_SUM" ]
2
0.001
2026-02-08T09:48:16.604208Z
{ "verified": true, "answer": 54438, "timestamp": "2026-02-08T09:48:16.605343Z" }
435842
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 152, "completion_tokens": 939 }, "timestamp": "2026-02-14T19:40:12.537Z", "answer": 54438 }, {...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" }, { ...
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
7ed905
nt_sum_over_divisible_v1_548369836_118
Let $S$ be the set of all ordered pairs $(x, y)$ of positive integers such that $xy = 2829124$. Let $T$ be the set of all values $x + y$ where $(x, y) \in S$. Let $m$ be the minimum value in $T$. Now let $U$ be the set of all ordered pairs $(x, y)$ of positive integers such that $xy = m$. Let $d$ be the minimum value o...
48,442
graphs = [ Graph( let={ "_n": Const(70123), "upper": Const(42849), "divisor": 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")), MinOv...
COMB
null
SUM
sympy
BINOMIAL_ALTERNATING
[ "BINOMIAL_ALTERNATING", "B3/B3", "ONE_BINOM_N" ]
dedaf6
nt_sum_over_divisible_v1
null
6
0
[ "B3", "BINOMIAL_ALTERNATING", "ONE_BINOM_N" ]
3
1.28
2026-02-08T02:46:10.761446Z
{ "verified": true, "answer": 48442, "timestamp": "2026-02-08T02:46:12.041512Z" }
0a8559
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 307, "completion_tokens": 21372 }, "timestamp": "2026-02-23T16:09:13.609Z", "answer": 48442 }, { ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "BINOMIAL_ALTERNATING", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "ONE_BINOM_N", ...
{ "lo": 1.81, "mid": 3.24, "hi": 4.6 }
a482e0_n
modular_modexp_compute_v1_601307018_2267
A factory produces items in batches of size $t = 21c + 6b$, where $c$ is the number of machines (1 or 2) and $b$ is the number of workers (from 1 to 9). Only batches between 27 and 96 units are valid. Let $N$ be the number of distinct valid batch sizes. The supervisor selects the largest prime number $M$ that does not ...
27,673
NT
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM/MAX_PRIME_BELOW", "B3" ]
2a7052
modular_modexp_compute_v1
null
6
null
[ "B3", "LIN_FORM", "MAX_PRIME_BELOW" ]
3
0.007
2026-03-10T02:56:09.962748Z
null
facf9e
a482e0
narrative
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 256, "completion_tokens": 5204 }, "timestamp": "2026-03-29T16:00:23.657Z", "answer": 27673 }, { "...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "LTE_SUM", "s...
{ "lo": -5.36, "mid": 0.27, "hi": 5.45 }
e0daf1
comb_count_partitions_v1_655260480_1194
Let $m = 6$. Let $n_0$ be the largest integer $k$ such that $2^k \leq m$. Let $n$ be the smallest divisor of $127434929$ that is at least $n_0$. Compute $50625 - p(n)$, where $p(n)$ denotes the number of integer partitions of $n$. Find the value of this expression.
6,042
graphs = [ Graph( let={ "_m": Const(6), "_n": MaxOverSet(set=SolutionsSet(var=Var("k"), condition=Leq(Pow(Const(2), Var("k")), Ref("_m")))), "n": MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Ref("_n")), Divides(divisor=Var("d"), dividend=Const(127...
NT
COMB
COUNT
sympy
MAX_VAL
[ "MAX_VAL/MIN_PRIME_FACTOR" ]
565dfa
comb_count_partitions_v1
null
5
0
[ "MAX_VAL", "MIN_PRIME_FACTOR" ]
2
0.003
2026-02-08T15:59:09.703315Z
{ "verified": true, "answer": 6042, "timestamp": "2026-02-08T15:59:09.706780Z" }
3799d4
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": 1485 }, "timestamp": "2026-02-16T19:13:25.422Z", "answer": 6042 }, {...
1
[ { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K16", "status": "same_pattern_wrong" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MAX_VAL", "statu...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
a81c84_n
comb_binomial_compute_v1_1218484723_1917
A lab analyzes cell cultures on a $30 \times 30$ grid. A cell at position $(a,b)$ is active if $64a^3 + 27b^3 + 144a^2b + 108ab^2 = 1061208$. Let $S$ be the total number of active cells. Two researchers split a project of $S$ tasks into positive integer parts $x$ and $y$ such that $x + y = S$, maximizing their combined...
11,440
COMB
null
COMPUTE
sympy
POLY3_COUNT
[ "POLY3_COUNT/B1" ]
ede8bc
comb_binomial_compute_v1
null
6
null
[ "B1", "POLY3_COUNT" ]
2
0.003
2026-02-25T03:39:22.380899Z
null
8d147f
a81c84
narrative
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 249, "completion_tokens": 1886 }, "timestamp": "2026-03-30T17:32:01.743Z", "answer": 11440 }, { "...
1
[ { "lemma": "B1", "status": "ok_later" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "POLY3_COUNT", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "...
{ "lo": -5.37, "mid": 0.23, "hi": 5.22 }
cb8176
comb_count_derangements_v1_1978505735_1016
Let $n$ be the largest prime number such that $2 \leq n \leq 9$. Define $!n$ to be the number of derangements of $n$ objects. Compute $!n$.
1,854
graphs = [ Graph( let={ "_n": Const(2), "n": MaxOverSet(set=SolutionsSet(var=Var("n1"), condition=And(Geq(Var("n1"), Ref("_n")), Leq(Var("n1"), Const(9)), IsPrime(Var("n1"))))), "result": Subfactorial(arg=Ref(name='n')), }, goal=Ref("result"), ) ]
NT
COMB
COUNT
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW" ]
dc3ad3
comb_count_derangements_v1
null
2
0
[ "MAX_PRIME_BELOW" ]
1
0.001
2026-02-08T15:44:30.031667Z
{ "verified": true, "answer": 1854, "timestamp": "2026-02-08T15:44:30.033070Z" }
8addb4
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 91, "completion_tokens": 1165 }, "timestamp": "2026-02-16T13:02:26.293Z", "answer": 1854 }, { ...
1
[ { "lemma": "L3b", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V8", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
b78d1f
antilemma_k3_v1_168721529_562
Let $x = \sum_{d \mid 2084} \phi(d)$, where $\phi$ denotes Euler's totient function. Let $D$ be the number of decimal digits of $|x|$, and for $i = 0, 1, \dots, D-1$, let $d_i$ denote the $i$-th digit of $|x|$ (starting from the units digit as $i=0$). Compute the value of $$ Q = \sum_{i=0}^{D-1} d_i \cdot (i+1)^2 + 360...
3,668
graphs = [ Graph( let={ "x": SumOverDivisors(n=Const(value=2084), var='d', expr=EulerPhi(n=Var(name='d'))), "Q": Sum(Summation(var="i", start=Const(0), end=Sub(NumDigits(x=Abs(arg=Ref(name='x')), base=None), Const(1)), expr=Mul(Digit(x=Abs(arg=Ref(name='x')), k=Var(name='i'), base=No...
NT
COMB
COMPUTE
sympy
K3
[ "K3" ]
54c41e
antilemma_k3_v1
null
4
0
[ "K3" ]
1
0.001
2026-02-08T13:08:32.090968Z
{ "verified": true, "answer": 3668, "timestamp": "2026-02-08T13:08:32.092281Z" }
63d1a6
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": 540 }, "timestamp": "2026-02-09T06:21:46.704Z", "answer": 3668 }, { "id...
1
[ { "lemma": "K3", "status": "ok" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V3", "status": "...
{ "lo": -5.3, "mid": -2.04, "hi": 1.84 }
ce41e9
algebra_poly_eval_v1_124444284_254
Let $P$ be the set of all positive integers $p$ for which there exists a positive integer $q$ such that $pq = 36$, $\gcd(p, q) = 1$, and $p < q$. Let $t$ be the number of elements in $P$. Define $y = 11$ and compute the value of $6y^3 + 2 \cdot y^t + 2y - 1$. Let $R$ be this value. Find the remainder when $44121 \cdot ...
34,412
graphs = [ Graph( let={ "_n": Const(2), "y": Const(11), "result": Sum(Mul(Const(6), Pow(Ref("y"), Const(3))), Mul(Ref("_n"), Pow(Ref("y"), CountOverSet(set=SolutionsSet(var=Var("p"), condition=And(IsPositive(arg=Var(name='p')), Exists(var=Var(name='q'), condition=And(Eq(l...
NT
null
COMPUTE
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS" ]
2bb3aa
algebra_poly_eval_v1
null
5
0
[ "COPRIME_PAIRS" ]
1
0.003
2026-02-08T03:07:01.732500Z
{ "verified": true, "answer": 34412, "timestamp": "2026-02-08T03:07:01.735084Z" }
7bc1dc
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": 2187 }, "timestamp": "2026-02-09T15:13:10.435Z", "answer": 34412 }, { "...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -3.46, "mid": 1.03, "hi": 5.49 }
e48b87
diophantine_fbi2_count_v1_1918700295_3687
Let $k$ be the number of integers $t$ in the range $49 \le t \le 442$ for which there exist positive integers $a$ and $b$ with $1 \le a \le 33$, $1 \le b \le 6$, and $t = 9a + 21b + 19$. Let $d_{\text{min}}$ be the largest prime number between $2$ and $4$, inclusive. Define $r$ to be the number of positive divisors $d$...
24
graphs = [ Graph( let={ "_m": Const(3), "_n": Const(57), "k": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Con...
NT
null
COUNT
sympy
COPRIME_PAIRS
[ "MAX_PRIME_BELOW", "LIN_FORM" ]
d530e2
diophantine_fbi2_count_v1
null
6
0
[ "COPRIME_PAIRS", "LIN_FORM", "MAX_PRIME_BELOW" ]
3
0.074
2026-02-08T08:49:45.440182Z
{ "verified": true, "answer": 24, "timestamp": "2026-02-08T08:49:45.513742Z" }
bec6b7
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 356, "completion_tokens": 4592 }, "timestamp": "2026-02-13T21:47:43.304Z", "answer": 24 }, { ...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST",...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
05562b
comb_factorial_compute_v1_1915831931_367
Let $m = 2$. Let $n'$ be the largest prime number such that $m \leq n' \leq 9$. Let $n$ be the largest prime number such that $2 \leq n \leq n'$. Compute $n!$.
5,040
graphs = [ Graph( let={ "_m": Const(2), "_n": MaxOverSet(set=SolutionsSet(var=Var("n1"), condition=And(Geq(Var("n1"), Ref("_m")), Leq(Var("n1"), Const(9)), IsPrime(Var("n1"))))), "n": MaxOverSet(set=SolutionsSet(var=Var("n2"), condition=And(Geq(Var("n2"), Const(2)), Leq(V...
NT
null
COMPUTE
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW/MAX_PRIME_BELOW" ]
15be89
comb_factorial_compute_v1
null
3
0
[ "MAX_PRIME_BELOW" ]
1
0.003
2026-02-08T15:23:12.035943Z
{ "verified": true, "answer": 5040, "timestamp": "2026-02-08T15:23:12.038636Z" }
1ad05b
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 103, "completion_tokens": 373 }, "timestamp": "2026-02-16T05:02:28.398Z", "answer": 5040 }, { ...
1
[ { "lemma": "K13", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
196441
antilemma_sum_equals_v1_151522320_1123
Let $ x $ be the number of ordered pairs $ (i, j) $ of positive integers such that $ 1 \leq i \leq 24 $, $ 1 \leq j \leq 24 $, and $ i + j = 25 $. Compute the remainder when $ 44121 \cdot x $ is divided by $ 74384 $.
17,528
graphs = [ Graph( let={ "_n": Const(25), "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(24)), right=IntegerRange(start=Const(1), end=Con...
COMB
GEOM
COMPUTE
sympy
COUNT_SUM_EQUALS
[ "COUNT_SUM_EQUALS" ]
75ab0f
antilemma_sum_equals_v1
null
3
0
[ "COUNT_SUM_EQUALS" ]
1
0.011
2026-02-08T03:48:49.173673Z
{ "verified": true, "answer": 17528, "timestamp": "2026-02-08T03:48:49.184396Z" }
663725
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 188, "completion_tokens": 679 }, "timestamp": "2026-02-10T15:49:27.174Z", "answer": 17528 }, { "i...
1
[ { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status"...
{ "lo": -3.83, "mid": -1.68, "hi": 1.09 }
5b4045
geo_count_lattice_rect_v1_798873815_40
Let $a = 512$ and $b = 160$. Consider the rectangle in the coordinate plane with vertices at $(0,0)$, $(a,0)$, $(0,b)$, and $(a,b)$. The number of lattice points (points with integer coordinates) inside and on the boundary of this rectangle is denoted by $R$. Compute the remainder when $44121 \cdot R$ is divided by $65...
30,417
graphs = [ Graph( let={ "a": Const(512), "b": Const(160), "result": LatticePointsRect(a=Ref(name='a'), b=Ref(name='b')), "Q": Mod(value=Mul(Const(44121), Ref("result")), modulus=Const(65176)), }, goal=Ref("Q"), ) ]
GEOM
null
COUNT
sympy
[]
geo_count_lattice_rect_v1
null
4
0
null
null
0.001
2026-02-08T02:24:46.856751Z
{ "verified": true, "answer": 30417, "timestamp": "2026-02-08T02:24:46.857332Z" }
08feef
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": 2309 }, "timestamp": "2026-02-08T18:31:06.319Z", "answer": 30417 }, { "...
1
[]
{ "lo": -0.97, "mid": 0.77, "hi": 2.26 }
2e3ba6
modular_mod_compute_v1_865884756_280
Let $m$ be the smallest possible value of $x + y$ where $x$ and $y$ are positive integers such that $xy = 9801$. Let $p$ be the maximum value of $xy$ where $x$ and $y$ are positive integers such that $x + y = m$. Compute the remainder when $-128$ is divided by $p$.
9,673
graphs = [ Graph( let={ "_m": Const(9801), "_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
null
COMPUTE
sympy
B3
[ "B3/B1" ]
7f76f7
modular_mod_compute_v1
null
4
0
[ "B1", "B3" ]
2
0.004
2026-02-08T15:17:40.694397Z
{ "verified": true, "answer": 9673, "timestamp": "2026-02-08T15:17:40.698323Z" }
5df78a
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 191, "completion_tokens": 1167 }, "timestamp": "2026-02-10T06:29:09.748Z", "answer": 9673 }, { "i...
1
[ { "lemma": "B1", "status": "ok_later" }, { "lemma": "B3", "status": "ok" }, { "lemma": "K13", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "V5", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma":...
{ "lo": -7.09, "mid": -0.49, "hi": 6.1 }
7de1b9
diophantine_fbi2_count_v1_1978505735_7693
Let $k = 360$. Let $t$ be the minimum value of $x + y$ over all ordered pairs $(x, y)$ of positive integers such that $xy = 4225$. Determine the number of positive integers $d$ such that $3 \leq d \leq 130$, $d$ divides $k$, $\frac{k}{d} \geq 3$, and $\frac{k}{d} \leq t$.
20
graphs = [ Graph( let={ "k": Const(360), "result": CountOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(3)), Leq(Var("d"), Const(130)), Divides(divisor=Var("d"), dividend=Ref("k")), Geq(Div(Ref("k"), Var("d")), Const(3)), Leq(Div(Ref("k"), Var("d")), MinOverS...
NT
null
COUNT
sympy
B3
[ "B3" ]
0cd20d
diophantine_fbi2_count_v1
null
5
0
[ "B3" ]
1
0.008
2026-02-08T20:23:36.375686Z
{ "verified": true, "answer": 20, "timestamp": "2026-02-08T20:23:36.383691Z" }
400ccb
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 139, "completion_tokens": 2563 }, "timestamp": "2026-02-19T00:30:48.193Z", "answer": 20 }, { ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
0c753c
algebra_quadratic_discriminant_v1_458359167_1491
Let $a = \phi(1)$, $b = -7$, and $c = 8$. Let $s$ be the minimum value of $x + y$ over all ordered pairs $(x,y)$ of positive integers such that $xy = 4$. Define $D = b^2 - s \cdot a \cdot c$. Compute $$ 2 \cdot [D > 0] + [D = 0], $$ where $[P]$ is the Iverson bracket, equal to $1$ if $P$ is true and $0$ otherwise.
2
graphs = [ Graph( let={ "_n": Const(2), "a": EulerPhi(n=Const(1)), "b": Const(-7), "c": Const(8), "D": Sub(Pow(Ref("b"), Const(2)), Mul(MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(ar...
NT
null
COMPUTE
sympy
C4
[ "ONE_PHI_1", "B3" ]
d3bb9b
algebra_quadratic_discriminant_v1
null
5
0
[ "B3", "C4", "ONE_PHI_1" ]
3
0.025
2026-02-08T04:38:02.699679Z
{ "verified": true, "answer": 2, "timestamp": "2026-02-08T04:38:02.725157Z" }
002145
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 217, "completion_tokens": 430 }, "timestamp": "2026-02-18T13:04:19.031Z", "answer": 2 } ]
2
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "ONE_PHI_1", "status": "ok" ...
{ "lo": -10, "mid": -6.47, "hi": -2.95 }
e8d756
alg_sum_powers_v1_1218484723_4259
Find the remainder when $\sum_{k=1}^{1913} k^2$ is divided by the number of integers $t$ in the range $35 \le t \le 15741$ that can be expressed as $t = 14a + 6b + 15$ for some integers $a, b$ with $1 \le a \le 972$, $1 \le b \le 353$.
4,933
graphs = [ Graph( let={ "_n": Const(2), "result": Mod(value=Summation(var="k", start=Const(1), end=Const(1913), expr=Pow(Var("k"), Ref("_n"))), modulus=CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Ge...
ALG
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
alg_sum_powers_v1
null
5
0
[ "LIN_FORM" ]
1
0.071
2026-02-25T05:54:24.808706Z
{ "verified": true, "answer": 4933, "timestamp": "2026-02-25T05:54:24.879522Z" }
0242b5
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 200, "completion_tokens": 4875 }, "timestamp": "2026-03-29T14:35:01.108Z", "answer": 4807 }, { ...
1
[ { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": 3.81, "mid": 6.33, "hi": 9.49 }
7b8cf9
alg_qf_psd_sum_v1_1218484723_4345
Let $M$ be the number of ordered pairs $(x_1, x_2)$ of positive odd integers such that $x_1 + x_2 = 11250$. Let $N$ be the number of integers $v$ with $0 \le v \le M$ such that there exist integers $a, b \in \{1, 2, \dots, 26\}$ satisfying $9a^2 - 18ab + 9b^2 = v$. Find the remainder when $$\sum_{\substack{1 \le a \le ...
6,624
graphs = [ Graph( let={ "_m": Const(26), "_n": 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")), C...
ALG
null
COMPUTE
sympy
COMB1
[ "COMB1/QF_PSD_DISTINCT" ]
555ca3
alg_qf_psd_sum_v1
null
6
0
[ "COMB1", "QF_PSD_DISTINCT" ]
2
0.058
2026-02-25T05:58:12.047047Z
{ "verified": true, "answer": 6624, "timestamp": "2026-02-25T05:58:12.105131Z" }
76e3fe
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": 2725 }, "timestamp": "2026-03-29T15:08:58.732Z", "answer": 6624 }, { "i...
1
[ { "lemma": "COMB1", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "QF_PSD_DISTINCT", "status": "ok_later" } ]
{ "lo": -2.45, "mid": 1.37, "hi": 5.29 }
a8852a
nt_sum_over_divisible_v1_124444284_1033
Let $n = 29161$. Let $u$ be the largest prime number less than or equal to $5572$. Consider the set of all positive integers $n$ from $1$ to $u$ that are divisible by $19$, and let $s$ be the sum of all such integers. Let $t$ be the number of positive integers $n$ from $1$ to $n$ such that $\gcd(n, 30) = 1$. Compute th...
95,727
graphs = [ Graph( let={ "_n": Const(29161), "upper": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Const(5572)), IsPrime(Var("n"))))), "divisor": Const(19), "result": SumOverSet(set=SolutionsSet(var=Var("n"), co...
NT
null
SUM
sympy
C4
[ "C4", "MAX_PRIME_BELOW" ]
27f3c2
nt_sum_over_divisible_v1
two_stage_modexp
6
0
[ "C4", "MAX_PRIME_BELOW" ]
2
0.204
2026-02-08T03:39:39.835245Z
{ "verified": true, "answer": 95727, "timestamp": "2026-02-08T03:39:40.039564Z" }
a4b97d
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 231, "completion_tokens": 9389 }, "timestamp": "2026-02-23T21:02:39.871Z", "answer": 95727 }, { ...
1
[ { "lemma": "C4", "status": "ok" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "V1", "status": "no" ...
{ "lo": 1.96, "mid": 5.23, "hi": 8.52 }
289101
modular_mod_compute_v1_124444284_5623
Let $m = 196$. Let $S$ be the set of all ordered pairs of positive integers $(x, y)$ such that $x + y = m$. Let $P$ be the set of all products $xy$ where $(x, y) \in S$. Let $m_1$ be the maximum value in $P$. Let $r = 29161 \bmod{m_1}$. Compute $67593 \cdot r \bmod{76327}$.
4,914
graphs = [ Graph( let={ "_n": Const(196), "a": Const(29161), "m": MaxOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Sum(Var("x"), Var("y")), Ref("_n")))), exp...
NT
null
COMPUTE
sympy
B1
[ "B1" ]
5b950e
modular_mod_compute_v1
null
4
0
[ "B1" ]
1
0.003
2026-02-08T06:45:19.547169Z
{ "verified": true, "answer": 4914, "timestamp": "2026-02-08T06:45:19.549686Z" }
939386
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 147, "completion_tokens": 613 }, "timestamp": "2026-02-13T04:18:30.975Z", "answer": 4914 }, { ...
1
[ { "lemma": "B1", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "V5", "status": "no" } ]
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
066d52
modular_modexp_compute_v1_124444284_1137
Let $n$ be the largest prime number less than or equal to the number of integers $t$ in the range $11 \le t \le 97$ for which there exist positive integers $a \le 12$ and $b \le 7$ such that $t = 4a + 7b$. Define $$ e = \sum_{k=1}^{67} \phi(k) \left\lfloor \frac{n}{k} \right\rfloor, $$ where $\phi(k)$ denotes Euler's t...
1,225
graphs = [ Graph( let={ "_n": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("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...
NT
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM/MAX_PRIME_BELOW/K2" ]
a3f611
modular_modexp_compute_v1
null
7
0
[ "K2", "LIN_FORM", "MAX_PRIME_BELOW" ]
3
0.003
2026-02-08T03:42:24.832013Z
{ "verified": true, "answer": 1225, "timestamp": "2026-02-08T03:42:24.834819Z" }
137c9e
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 263, "completion_tokens": 8156 }, "timestamp": "2026-02-09T10:08:47.212Z", "answer": 1225 }, { "...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "K2", "status": "ok_later" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok_later" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status":...
{ "lo": -3.42, "mid": 1.86, "hi": 7.55 }
be62d9
diophantine_sum_product_min_v1_2051736721_6056
Let $S$ be the number of integers $t$ with $16 \le t \le 98$ for which there exist positive integers $a$ and $b$ such that $1 \le a \le 5$, $1 \le b \le 8$, and $t = 10a + 6b$. Let $P = 289$. Let $x_0$ be the smallest positive integer $x \le 33$ such that $x(S - x) = P$. Let $Q$ be the Bell number $B_m$, where $m$ is...
203
graphs = [ Graph( let={ "_n": Const(11), "S": 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(n...
COMB
null
EXTREMUM
sympy
MAX_PRIME_BELOW
[ "LIN_FORM" ]
7b2633
diophantine_sum_product_min_v1
null
6
0
[ "LIN_FORM", "MAX_PRIME_BELOW" ]
2
0.064
2026-02-08T18:55:07.089101Z
{ "verified": true, "answer": 203, "timestamp": "2026-02-08T18:55:07.153113Z" }
f168ae
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 191, "completion_tokens": 2255 }, "timestamp": "2026-02-18T20:41:45.064Z", "answer": 203 }, { ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8_SUM", "status": "no" ...
{ "lo": -3.12, "mid": 1.47, "hi": 6.57 }
623dc7
nt_lcm_compute_v1_151522320_622
Let $n = 70$. Define $a$ to be the maximum value of $xy$ over all ordered pairs $(x, y)$ of positive integers such that $x + y = n$. Define $b$ to be the sum of all real solutions $x$ to the equation $x^2 - 875x - 87906 = 0$. Compute $\mathrm{LCM}(a, b)$.
6,125
graphs = [ Graph( let={ "_n": Const(70), "a": 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")), Ref("_n")))), expr=Mul(Var("x"), Var("y")))), ...
NT
null
COMPUTE
sympy
B3
[ "VIETA_SUM", "B1" ]
928088
nt_lcm_compute_v1
null
6
0
[ "B1", "B3", "VIETA_SUM" ]
3
0.005
2026-02-08T03:25:51.685461Z
{ "verified": true, "answer": 6125, "timestamp": "2026-02-08T03:25:51.690799Z" }
a27814
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 197, "completion_tokens": 703 }, "timestamp": "2026-02-10T14:18:27.858Z", "answer": 6125 }, { "id...
1
[ { "lemma": "B1", "status": "ok" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V8_SUM", "status": "no" }, { "...
{ "lo": -5.55, "mid": -3.02, "hi": 0.31 }
1ff210
algebra_poly_eval_v1_784195855_5562
Let $S$ be the set of all ordered pairs $(x, y)$ of positive integers such that $x + y = 6$. Let $P$ be the maximum value of $xy$ over all pairs in $S$. Compute the value of $$ P \cdot 8^4 + 8 \cdot 8^3 - 3 \cdot 8^2 + 10 \cdot 8 - 8. $$
40,840
graphs = [ Graph( let={ "_n": Const(3), "y": Const(8), "result": Sum(Mul(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(6)))...
NT
null
COMPUTE
sympy
B1
[ "B1" ]
5b950e
algebra_poly_eval_v1
null
3
0
[ "B1" ]
1
0.004
2026-02-08T07:58:06.959118Z
{ "verified": true, "answer": 40840, "timestamp": "2026-02-08T07:58:06.962958Z" }
03d312
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 137, "completion_tokens": 635 }, "timestamp": "2026-02-13T13:35:32.934Z", "answer": 40840 }, {...
1
[ { "lemma": "B1", "status": "ok" }, { "lemma": "K17", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" } ]
{ "lo": -5.55, "mid": -3.01, "hi": 0.32 }
ce6dcc_l
comb_sum_binomial_row_v1_1116507919_146
Let $m = 2$ and $n = 5$. For each integer $k$ from 1 to $n$, define $\phi(k)$ to be the number of positive integers at most $k$ that are relatively prime to $k$. For each such $k$, let $t_k$ be the smallest divisor of the number of integer solutions $(a, b)$ to the conditions $1 \leq a \leq 8$, $1 \leq b \leq 5$, and $...
8
NT
null
SUM
sympy
LIN_FORM
[ "LIN_FORM/MIN_PRIME_FACTOR/K2" ]
db5ec0
comb_sum_binomial_row_v1
null
7
0
[ "K2", "LIN_FORM", "MIN_PRIME_FACTOR" ]
3
0.002
2026-02-08T02:26:49.117593Z
{ "verified": false, "answer": 32768, "timestamp": "2026-02-08T02:26:49.119882Z" }
05809a
ce6dcc
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": 305, "completion_tokens": 1721 }, "timestamp": "2026-02-08T19:07:22.275Z", "answer": 8 }, { "i...
0
[ { "lemma": "DS2", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "K2", "status": "ok_later" }, { "lemma": "L3b", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lem...
{ "lo": 5.92, "mid": 7.64, "hi": 10 }
5536e1_n
alg_poly4_min_v1_1218484723_5405
A biologist models a population where the $n$-th generation has $F_n$ individuals, the $n$-th Fibonacci number. She counts how many times the population is divisible by 21 over the first 58384 generations, calling this count $T$. She then designs a lab experiment with two parameters $a$ and $b$ (positive integers from ...
29,993
ALG
null
COMPUTE
sympy
COUNT_FIB_DIVISIBLE
[ "COUNT_FIB_DIVISIBLE" ]
66de3c
alg_poly4_min_v1
null
6
null
[ "COUNT_FIB_DIVISIBLE" ]
1
0.294
2026-02-25T06:58:36.732700Z
null
f94ab4
5536e1
narrative
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 241, "completion_tokens": 2796 }, "timestamp": "2026-03-30T23:24:07.192Z", "answer": 29993 }, { "...
1
[ { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "ok" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "MOD_SUB", ...
{ "lo": 1.5, "mid": 4.69, "hi": 7.23 }
a377ed
comb_catalan_compute_v1_2051736721_5385
Let $n$ be the number of ordered pairs $(i, j)$ of positive integers such that $1 \leq i \leq 12$, $1 \leq j \leq 12$, and $i + j = 14$. Let $C_n$ denote the $n$-th Catalan number, defined by $$ C_n = \frac{1}{n+1} \binom{2n}{n}. $$ Compute $73441 - C_n$.
14,655
graphs = [ Graph( let={ "_n": Const(14), "n": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=Eq(Sum(Var("i"), Var("j")), Ref("_n")), domain=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(12)), right=IntegerRange(start=Const(1), end=Con...
COMB
null
COMPUTE
sympy
COUNT_SUM_EQUALS
[ "COUNT_SUM_EQUALS" ]
75ab0f
comb_catalan_compute_v1
null
3
0
[ "COUNT_SUM_EQUALS" ]
1
0.01
2026-02-08T18:31:39.555738Z
{ "verified": true, "answer": 14655, "timestamp": "2026-02-08T18:31:39.565620Z" }
959cf4
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": 1003 }, "timestamp": "2026-02-18T17:36:13.889Z", "answer": 14655 }, ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status":...
{ "lo": -7.92, "mid": -4.6, "hi": -1.84 }
eeac6a
comb_count_permutations_fixed_v1_898971024_1705
Let $k$ be the number of positive integers $p$ for which there exists a positive integer $q$ such that $pq = 24$, $\gcd(p, q) = 1$, and $p < q$. Compute $\binom{5}{k} \cdot !(5 - k)$, where $!m$ denotes the number of derangements of $m$ elements.
20
graphs = [ Graph( let={ "n": Const(5), "k": 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=24)), Eq(left=GCD(a=Var(name='p'), b=Var(name='q')...
NT
COMB
COUNT
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS" ]
2bb3aa
comb_count_permutations_fixed_v1
null
4
0
[ "COPRIME_PAIRS" ]
1
0.002
2026-02-08T16:15:10.775181Z
{ "verified": true, "answer": 20, "timestamp": "2026-02-08T16:15:10.777434Z" }
9531c0
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 127, "completion_tokens": 1164 }, "timestamp": "2026-02-16T23:42:38.523Z", "answer": 20 }, { ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "K5", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
84345a
nt_count_divisible_v1_458359167_3755
Let $n = 36$. Consider the set of all ordered pairs $(x, y)$ of positive integers such that $xy = 36$. Let $\text{divisor}$ be the minimum value of $x + y$ over all such pairs. Let $\text{result}$ be the number of positive integers $n$ such that $1 \leq n \leq 71824$ and $n$ is divisible by $\text{divisor}$. Compute $\...
5,985
graphs = [ Graph( let={ "_n": Const(36), "upper": Const(71824), "divisor": 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"...
NT
null
COUNT
sympy
B3
[ "B3" ]
0cd20d
nt_count_divisible_v1
null
4
0
[ "B3" ]
1
2.551
2026-02-08T11:18:55.881116Z
{ "verified": true, "answer": 5985, "timestamp": "2026-02-08T11:18:58.431895Z" }
1e33fc
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 164, "completion_tokens": 330 }, "timestamp": "2026-02-15T21:47:10.002Z", "answer": 4788 }, { "id": 11,...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "V3", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -6.96, "mid": -4.56, "hi": -1.46 }
8173d2
nt_count_digit_sum_v1_168721529_1873
Let $n = 44$ and $\text{upper} = 108900$. Define $\text{target\_sum}$ to be the number of ordered pairs $(x_1, x_2)$ of positive odd integers such that $x_1 + x_2 = n$. Define $\text{result}$ to be the number of positive integers $n$ with $1 \leq n \leq \text{upper}$ such that the sum of the decimal digits of $n$ is eq...
6,514
graphs = [ Graph( let={ "_n": Const(44), "upper": Const(108900), "target_sum": 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(...
NT
null
COUNT
sympy
COMB1
[ "COMB1" ]
567f58
nt_count_digit_sum_v1
null
4
0
[ "COMB1" ]
1
4.14
2026-02-08T13:58:23.984867Z
{ "verified": true, "answer": 6514, "timestamp": "2026-02-08T13:58:28.124455Z" }
fa1c8b
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 235, "completion_tokens": 6286 }, "timestamp": "2026-02-11T08:06:16.138Z", "answer": 6514 }, { "...
1
[ { "lemma": "COMB1", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" } ]
{ "lo": -5.48, "mid": 0.74, "hi": 7.52 }
9bd4b0_l
nt_count_coprime_and_v1_1456120455_29
Let $d$ be the smallest integer greater than or equal to 2 that divides $$ \sum_{x} \left( x^{-7007} \cdot 629356 \right), $$ defined over all positive integers $x$ for which there exist positive integers $p$ and $q$ with $pq = 54$, $\gcd(p, q) = 1$, and $p < q$. Let $k_1 = 3$ and $k_2 = d$. Compute the number of posit...
11,803
NT
null
COUNT
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS/VIETA_SUM/MIN_PRIME_FACTOR" ]
c492f6
nt_count_coprime_and_v1
null
7
0
[ "COPRIME_PAIRS", "MIN_PRIME_FACTOR", "VIETA_SUM" ]
3
12.106
2026-02-08T02:50:55.136830Z
{ "verified": false, "answer": 20233, "timestamp": "2026-02-08T02:51:07.243254Z" }
3c1919
9bd4b0
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": 259, "completion_tokens": 3605 }, "timestamp": "2026-02-23T17:43:07.697Z", "answer": 11803 }, { ...
0
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "K15", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok_later" }, { "lemma": "V1", "status": "no" }, { "lemma": "V5", "status": "no" }, { "lemma": "V8_SUM", "status": "no" }, ...
{ "lo": 4.68, "mid": 6.57, "hi": 9.55 }
3630a8
nt_count_coprime_v1_1915831931_2405
Let $t$ be an integer. Define $n$ to be the number of integers $t$ such that $7 \leq t \leq 42$ and there exist positive integers $a$ and $b$ with $1 \leq a \leq 6$, $1 \leq b \leq 6$, and $t = 4a + 3b$. Let $k$ be the largest prime number not exceeding $n$. Determine the value of the number of positive integers $n_1$ ...
26,287
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=6)), Geq(left=Var(name='b'), right=Const(value=...
NT
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM/MAX_PRIME_BELOW" ]
47006e
nt_count_coprime_v1
null
5
0
[ "LIN_FORM", "MAX_PRIME_BELOW" ]
2
2.078
2026-02-08T16:46:26.832972Z
{ "verified": true, "answer": 26287, "timestamp": "2026-02-08T16:46:28.911248Z" }
2749d9
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 181, "completion_tokens": 1543 }, "timestamp": "2026-02-17T12:19:13.539Z", "answer": 26287 }, ...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok_later" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "V8", "sta...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
17b108
antilemma_sum_equals_v1_238844314_966
Let $t$ be an integer. Consider the set of all integers $t$ such that $27 \leq t \leq 315$ and there exist positive integers $a$ and $b$ with $1 \leq a \leq 20$, $1 \leq b \leq 5$, satisfying $t = 12a + 15b$. Let $S$ be the number of ordered pairs $(i, j)$ of positive integers, each at most $85$, such that $i + j = S$....
84
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=20)), 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
5
0
[ "COUNT_SUM_EQUALS", "LIN_FORM" ]
2
0.006
2026-02-08T13:50:18.290975Z
{ "verified": true, "answer": 84, "timestamp": "2026-02-08T13:50:18.296706Z" }
2c2046
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 1, "correct": { "strict": false, "boxed": false, "relaxed": true }, "usage": { "prompt_tokens": 231, "completion_tokens": 12685 }, "timestamp": "2026-02-24T19:14:55.855Z", "answer": 85 }, { "...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" }, ...
{ "lo": 1.15, "mid": 4.18, "hi": 6.61 }
1b5da3
nt_num_divisors_compute_v1_784195855_6794
Let $n = 42436$. Let $\text{result}$ be the number of positive divisors of $n$. Let $S$ be the set of all ordered pairs $(x, y)$ of positive integers such that $xy = 82944$. Define $m$ to be the minimum value of $x + y$ over all such pairs. Compute the value of $$\sum_{i=0}^{\text{NumDigits}(|\text{result}|)-1} \left( ...
585
graphs = [ Graph( let={ "n": Const(42436), "result": NumDivisors(n=Ref("n")), "Q": Sum(Summation(var="i", start=Const(0), end=Sub(NumDigits(x=Abs(arg=Ref(name='result')), base=None), Const(1)), expr=Mul(Digit(x=Abs(arg=Ref(name='result')), k=Var(name='i'), base=None), Pow...
NT
null
COMPUTE
sympy
B3
[ "B3" ]
8e300c
nt_num_divisors_compute_v1
digits_weighted_mod
5
0
[ "B3" ]
1
0.003
2026-02-08T08:52:12.787575Z
{ "verified": true, "answer": 585, "timestamp": "2026-02-08T08:52:12.790529Z" }
8a0c93
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 174, "completion_tokens": 986 }, "timestamp": "2026-02-13T22:14:29.168Z", "answer": 585 }, { ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
6bd40e
antilemma_cartesian_v1_153355830_1606
Let $x$ be the number of ordered pairs $(u,v)$ of integers such that $1\le u\le 35$ and $1\le v\le 42$. Let $S$ be the set of all integers $t$ for which there exist integers $a$ and $b$ satisfying $1\le a\le 5$, $1\le b\le 2$, $22\le t\le 61$, and $$t = 6a + 15b + 1.$$ Let $M$ be the number of elements in $S$. Define...
10,956
graphs = [ Graph( let={ "_n": Const(10), "x": CountOverSet(set=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(35)), right=IntegerRange(start=Const(1), end=Const(42)))), "Q": Summation(var="n", start=Factorial(Summation(var="k", start=Const(0), end=Ref("_n"),...
COMB
GEOM
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM/BINOMIAL_ALTERNATING/ONE_FACTORIAL_0", "COUNT_CARTESIAN" ]
e5f080
antilemma_cartesian_v1
sum_divisor_count
7
0
[ "BINOMIAL_ALTERNATING", "COUNT_CARTESIAN", "LIN_FORM", "ONE_FACTORIAL_0" ]
4
0.002
2026-02-08T06:31:37.005372Z
{ "verified": true, "answer": 10956, "timestamp": "2026-02-08T06:31:37.007596Z" }
b4628d
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 1, "correct": { "strict": false, "boxed": false, "relaxed": true }, "usage": { "prompt_tokens": 317, "completion_tokens": 3031 }, "timestamp": "2026-02-24T06:23:21.768Z", "answer": 10960 }, { ...
1
[ { "lemma": "BINOMIAL_ALTERNATING", "status": "ok_later" }, { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "ok" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma"...
{ "lo": 1.97, "mid": 4.36, "hi": 6.69 }
26641b
nt_min_coprime_above_v1_971394319_112
Let $s = 2048$. Let $u$ be the number of positive integers $j$ such that $1 \leq j \leq 2171$ and $j^5 \leq 48227985011979851$. Let $n$ be the smallest integer such that $n > s$, $n \leq u$, and $\gcd(n, 113) = 1$. Let $Q$ be the remainder when $36119 \cdot n$ is divided by $85660$. Find the value of $Q$.
83,251
graphs = [ Graph( let={ "start": Const(2048), "upper": CountOverSet(set=SolutionsSet(var=Var("j"), condition=And(Geq(Var("j"), Const(1)), Leq(Var("j"), Const(2171)), Leq(Pow(Var("j"), Const(5)), Const(48227985011979851))), domain='positive_integers')), "modulus": Const(11...
NT
null
EXTREMUM
sympy
C3
[ "C3" ]
8a214c
nt_min_coprime_above_v1
null
5
0
[ "C3" ]
1
0.015
2026-02-08T12:50:35.160828Z
{ "verified": true, "answer": 83251, "timestamp": "2026-02-08T12:50:35.175365Z" }
b6d6da
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": 2806 }, "timestamp": "2026-02-15T06:48:51.997Z", "answer": 83251 }, ...
1
[ { "lemma": "C3", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" ...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
34a40f
comb_count_surjections_v1_1918700295_2090
Let $n$ be the number of ordered pairs $(x_1, x_2)$ of positive odd integers such that $x_1 + x_2$ equals the number of integers $t$ in the interval $23 \leq t \leq 57$ for which there exist integers $a$ and $b$ with $1 \leq a \leq 2$, $1 \leq b \leq 7$, and $t = 10a + 4b + 9$. Let $k = 4$. Compute $k! \cdot S(n, k)$, ...
8,400
graphs = [ Graph( let={ "n": 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")), CountOverSet(set=SolutionsSet(v...
COMB
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM/COMB1" ]
268a62
comb_count_surjections_v1
null
6
0
[ "COMB1", "LIN_FORM" ]
2
0.002
2026-02-08T07:40:57.512243Z
{ "verified": true, "answer": 8400, "timestamp": "2026-02-08T07:40:57.514366Z" }
1f14d4
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 256, "completion_tokens": 1514 }, "timestamp": "2026-02-24T08:21:08.661Z", "answer": 8400 }, { "i...
1
[ { "lemma": "COMB1", "status": "ok_later" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma...
{ "lo": -2.35, "mid": 1.22, "hi": 4.84 }
0cdf9d
diophantine_product_count_v1_1742523217_1933
Let $k$ be the minimum value of $x + y$ over all ordered pairs of positive integers $(x, y)$ such that $xy = 8100$. Compute the number of positive integers $x$ such that $1 \leq x \leq 73$, $x$ divides $k$, and $\frac{k}{x} \leq 73$.
14
graphs = [ Graph( let={ "k": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Mul(Var("x"), Var("y")), Const(8100)))), expr=Sum(Var("x"), Var("y")))), "upper": Const(73)...
NT
null
COUNT
sympy
B3
[ "B3" ]
0cd20d
diophantine_product_count_v1
null
5
0
[ "B3" ]
1
0.037
2026-02-08T04:21:13.177872Z
{ "verified": true, "answer": 14, "timestamp": "2026-02-08T04:21:13.215099Z" }
65d8fd
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 188, "completion_tokens": 1453 }, "timestamp": "2026-02-10T16:24:25.286Z", "answer": 14 }, { "id...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "V8_SUM", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -5.55, "mid": -3.01, "hi": 0.33 }
939116
nt_min_crt_v1_1978505735_7534
Let $N$ be the number of positive integers $n$ at most $236$ that are even and relatively prime to $15$. Determine the smallest positive integer $n_1$ such that $n_1 \leq N$, $n_1 \equiv 1 \pmod{7}$, and $n_1 \equiv 5 \pmod{9}$.
50
graphs = [ Graph( let={ "_n": Const(15), "m": Const(7), "k": Const(9), "a": Const(1), "b": Const(5), "upper": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Const(236)), Divides(divisor=...
NT
null
EXTREMUM
sympy
B1
[ "C5" ]
1d9668
nt_min_crt_v1
null
5
0
[ "B1", "C5" ]
2
0.105
2026-02-08T20:18:15.922185Z
{ "verified": true, "answer": 50, "timestamp": "2026-02-08T20:18:16.027522Z" }
b630a8
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 1, "correct": { "strict": false, "boxed": false, "relaxed": true }, "usage": { "prompt_tokens": 136, "completion_tokens": 827 }, "timestamp": "2026-02-16T18:50:16.055Z", "answer": 5 }, { "id": 11, ...
1
[ { "lemma": "C5", "status": "ok" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V3", "status": "n...
{ "lo": -8.26, "mid": -5.01, "hi": -1.76 }
e54361
comb_count_surjections_v1_1431428450_603
Let $n = 7$. Let $k$ be the number of ordered pairs $(i, j)$ of integers with $1 \leq i \leq 6$, $1 \leq j \leq 6$, and $i + j = 7$. Define $S$ to be the product of $k!$ and the Stirling number of the second kind $S(n, k)$. Compute the remainder when $S$ multiplied by the number of elements in the Cartesian product of ...
13,986
graphs = [ Graph( let={ "n": Const(7), "k": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=Eq(Sum(Var("i"), Var("j")), Const(7)), domain=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(6)), right=IntegerRange(start=Const(1), end=Const(6...
COMB
null
COUNT
sympy
COUNT_CARTESIAN
[ "COUNT_CARTESIAN", "COUNT_SUM_EQUALS" ]
81018e
comb_count_surjections_v1
affine_mod
4
0
[ "COUNT_CARTESIAN", "COUNT_SUM_EQUALS" ]
2
0.013
2026-02-08T13:33:15.969226Z
{ "verified": true, "answer": 13986, "timestamp": "2026-02-08T13:33:15.982489Z" }
d0420a
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 251, "completion_tokens": 1603 }, "timestamp": "2026-02-24T18:42:15.550Z", "answer": 13986 }, { "...
1
[ { "lemma": "COUNT_CARTESIAN", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", ...
{ "lo": -2.35, "mid": 1.22, "hi": 4.84 }
df7b6d
lin_form_endings_v1_124444284_1519
Let $ a = 30 $ and $ b = 45 $. Let $ d = \gcd(a,b) $. Let $ k = 8816 $. Compute the remainder when $ k \cdot \left\lfloor \frac{45}{d} \right\rfloor $ is divided by 97115.
26,448
graphs = [ Graph( let={ "a_coeff": Const(30), "b_coeff": Const(45), "_inner_result": Floor(Div(Const(45), GCD(a=Ref("a_coeff"), b=Ref("b_coeff")))), "_scale_k": Const(8816), "_scaled": Mul(Ref("_scale_k"), Ref("_inner_result")), "_mod_M...
COMB
NT
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
lin_form_endings_v1
null
2
null
[ "LIN_FORM" ]
1
0
2026-02-08T03:58:06.418288Z
{ "verified": true, "answer": 26448, "timestamp": "2026-02-08T03:58:06.418783Z" }
defcef
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 177, "completion_tokens": 467 }, "timestamp": "2026-02-10T16:17:55.502Z", "answer": 26448 }, { "i...
2
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ...
{ "lo": -9.14, "mid": -6.05, "hi": -3.74 }
309add
nt_count_phi_equals_v1_809748730_708
Let $n = 44121$. Let $r_1$ and $r_2$ be the two real solutions to the equation $x^2 - 3364x - 30357 = 0$. Define $S$ to be the set of all integers $x$ such that $x = r_1$ or $x = r_2$. Let $\text{upper}$ be the sum of all elements in $S$. Let $k = 48$. Define $T$ to be the set of all positive integers $n$ such that $1 ...
30,346
graphs = [ Graph( let={ "_n": Const(44121), "upper": SumOverSet(set=SolutionsSet(var=Var("x"), condition=Eq(Sum(Pow(Var("x"), Const(2)), Mul(Const(-3364), Var("x")), Const(-30357)), Const(0)))), "k": Const(48), "result": CountOverSet(set=SolutionsSet(var=Var("...
NT
null
COUNT
sympy
VIETA_SUM
[ "VIETA_SUM" ]
b33a7a
nt_count_phi_equals_v1
null
6
0
[ "VIETA_SUM" ]
1
0.245
2026-02-08T11:42:05.559553Z
{ "verified": true, "answer": 30346, "timestamp": "2026-02-08T11:42:05.804909Z" }
e97e95
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 236, "completion_tokens": 4432 }, "timestamp": "2026-02-14T17:32:49.302Z", "answer": 30346 }, ...
1
[ { "lemma": "K16", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" }, { "lemma": "VIETA_SUM", "status": "ok" } ]
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
830b86
comb_binomial_compute_v1_784195855_8004
Let $f = \sum_{k=0}^{7} (-1)^k \binom{7}{k}$, and let $a = 1 + f$, $b = 0!$, and $n_1 = a + b$. Let $w = \sum_{k=0}^{n_1} (-1)^k \binom{n_1}{k}$. Let $\binom{16}{7}$ denote the binomial coefficient. Let $c$ be the number of ordered pairs $(x_1, x_2)$ of positive odd integers such that $x_1 + x_2 = 16200$. Let $Q$ be th...
50,695
graphs = [ Graph( let={ "n2": Const(7), "f": Summation(var="k", start=Const(0), end=Ref("n2"), expr=Mul(Pow(Const(-1), Var("k")), Binom(n=Ref("n2"), k=Var("k")))), "a": Sum(Const(1), Ref("f")), "b": Factorial(Const(0)), "n1": Sum(Ref("a"), Ref("b")...
COMB
null
COMPUTE
sympy
COMB1
[ "COMB1", "BINOMIAL_ALTERNATING", "ONE_FACTORIAL_0" ]
bf0891
comb_binomial_compute_v1
negation_mod
6
2
[ "BINOMIAL_ALTERNATING", "COMB1", "ONE_FACTORIAL_0" ]
3
0.004
2026-02-08T09:39:36.288006Z
{ "verified": true, "answer": 50695, "timestamp": "2026-02-08T09:39:36.292337Z" }
13832b
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 278, "completion_tokens": 1828 }, "timestamp": "2026-02-24T12:14:01.214Z", "answer": 50695 }, { "...
1
[ { "lemma": "BINOMIAL_ALTERNATING", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "COMB1", "status": "ok" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "ONE_FACTORIAL_...
{ "lo": -5.97, "mid": -3.97, "hi": -1.93 }
37ef2a
geo_visible_lattice_v1_124444284_5665
Let $n = 91$. A visible lattice point $(x, y)$ is a point with integer coordinates such that $1 \leq x, y \leq n$ and $\gcd(x, y) = 1$. Compute the number of visible lattice points $(x, y)$ in the $n \times n$ grid.
5,103
graphs = [ Graph( let={ "n": Const(91), "result": VisibleLatticePoints(n=Ref(name='n')), "Q": Ref("result"), }, goal=Ref("Q"), ) ]
GEOM
null
COUNT
sympy
[]
geo_visible_lattice_v1
null
4
0
null
null
0.184
2026-02-08T06:46:07.849368Z
{ "verified": true, "answer": 5103, "timestamp": "2026-02-08T06:46:08.033352Z" }
550700
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 181, "completion_tokens": 5179 }, "timestamp": "2026-02-24T07:00:33.701Z", "answer": 5103 }, { "i...
1
[]
{ "lo": 1.97, "mid": 4.36, "hi": 6.69 }
4b3618
nt_num_divisors_compute_v1_717093673_3394
Let $n_0 = 2$. Let $n$ be the smallest integer $d$ such that $d \geq n_0$ and $d$ divides $115002253$. Define $\text{result} = \tau(n)$, the number of positive divisors of $n$. Compute $$\sum_{n_1=1}^{\left|\text{result}\right|} \phi(n_1),$$ where $\phi$ denotes Euler's totient function.
2
graphs = [ Graph( let={ "_n": Const(2), "n": MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Ref("_n")), Divides(divisor=Var("d"), dividend=Const(115002253))))), "result": NumDivisors(n=Ref("n")), "Q": Summation(var="n1", start=Const(1), ...
NT
null
COMPUTE
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR" ]
bc3776
nt_num_divisors_compute_v1
null
4
0
[ "MIN_PRIME_FACTOR" ]
1
0.002
2026-02-08T17:34:40.643778Z
{ "verified": true, "answer": 2, "timestamp": "2026-02-08T17:34:40.645675Z" }
29784b
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 164, "completion_tokens": 376 }, "timestamp": "2026-02-16T11:21:38.044Z", "answer": 2 }, { "id": 11, "...
2
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "V5", "status...
{ "lo": -10, "mid": -7.27, "hi": -4.54 }
bea585
nt_min_crt_v1_784195855_1147
Let $b$ be the number of positive integers $p$ for which there exists a positive integer $q$ such that $pq = 18$, $\gcd(p, q) = 1$, and $p < q$. Let $S$ be the set of all positive integers $n \leq 55$ such that $n \equiv 1 \pmod{5}$ and $n \equiv b \pmod{11}$. Determine the minimum element of $S$.
46
graphs = [ Graph( let={ "m": Const(5), "k": Const(11), "a": Const(1), "b": 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(v...
NT
null
EXTREMUM
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS" ]
2bb3aa
nt_min_crt_v1
null
5
0
[ "COPRIME_PAIRS" ]
1
0.017
2026-02-08T04:52:36.202734Z
{ "verified": true, "answer": 46, "timestamp": "2026-02-08T04:52:36.219923Z" }
031fd6
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 214, "completion_tokens": 936 }, "timestamp": "2026-02-11T22:16:35.188Z", "answer": 46 }, { "id"...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "V5", "status": "no" } ]
{ "lo": -5.55, "mid": -3.01, "hi": 0.33 }
f44aaa
diophantine_fbi2_count_v1_124444284_7839
Let $k$ be the number of positive integers from 1 to 13680 that are divisible by 19. Define a positive integer $d$ to be good if $2 \le d \le 78$, $d$ divides $k$, and $5 \le \frac{k}{d} \le 81$. Let $r$ be the number of good integers. Compute $36100 - r$.
36,085
graphs = [ Graph( let={ "k": CountOverSet(set=SolutionsSet(var=Var("k"), condition=And(Geq(Var("k"), Const(1)), Leq(Var("k"), Const(13680)), Divides(divisor=Const(19), dividend=Var("k"))), domain='positive_integers')), "result": CountOverSet(set=SolutionsSet(var=Var("d"), condition=A...
NT
null
COUNT
sympy
C2
[ "C2" ]
9685eb
diophantine_fbi2_count_v1
null
4
0
[ "C2" ]
1
0.016
2026-02-08T09:23:23.312202Z
{ "verified": true, "answer": 36085, "timestamp": "2026-02-08T09:23:23.327968Z" }
83918f
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 133, "completion_tokens": 1057 }, "timestamp": "2026-02-14T03:40:37.355Z", "answer": 36085 }, ...
1
[ { "lemma": "C2", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "V8_SUM", "status": "no" ...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
afad30
nt_sum_divisors_compute_v1_349078426_2018
Let $p$ be the greatest prime number $n$ such that $2\le n\le 105$. Let $$N=\sum_{d\mid p} \varphi(d),$$ where the sum is taken over all positive divisors $d$ of $p$ and $\varphi$ denotes Euler's totient function. Let $n=20449$, and let $S$ be the sum of all positive divisors of $n$. Let $c=48$. Let $L$ be the smalle...
11,104
graphs = [ Graph( let={ "_d": Const(2), "_m": Const(58218), "_n": SumOverDivisors(n=MaxOverSet(set=SolutionsSet(var=Var(name='n'), condition=And(Geq(left=Var(name='n'), right=Const(value=2)), Leq(left=Var(name='n'), right=Const(value=105)), IsPrime(arg=Var(name='n'))))), ...
NT
null
COMPUTE
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW/K3/MIN_PRIME_FACTOR" ]
e5ae1e
nt_sum_divisors_compute_v1
crt_mix_3
5
0
[ "K3", "MAX_PRIME_BELOW", "MIN_PRIME_FACTOR" ]
3
0.006
2026-02-08T14:04:05.970080Z
{ "verified": true, "answer": 11104, "timestamp": "2026-02-08T14:04:05.975595Z" }
9c97f7
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 325, "completion_tokens": 6169 }, "timestamp": "2026-02-15T23:20:42.455Z", "answer": 11104 }, ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "K3", "status": "ok_later" }, { "lemma": "K5", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma"...
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
61f851
antilemma_sum_equals_v1_151522320_516
Let $n = 74$. Consider the set of all ordered pairs $(i, j)$ of positive integers such that $i + j = n$, where $1 \leq i \leq 72$ and $1 \leq j \leq 73$. Let $x$ be the number of such pairs. Compute $2209 - x$.
2,137
graphs = [ Graph( let={ "_n": Const(74), "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(72)), 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
0.004
2026-02-08T03:21:58.208770Z
{ "verified": true, "answer": 2137, "timestamp": "2026-02-08T03:21:58.212962Z" }
448a3b
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 185, "completion_tokens": 3297 }, "timestamp": "2026-02-10T13:59:52.114Z", "answer": 2137 }, { "i...
1
[ { "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": -7.18, "mid": -4.99, "hi": -3 }
fc1b04_l
comb_count_partitions_v1_798873815_9
Let $n = 39$. Define $s = \sum_{d \mid n} \phi(d)$, where $\phi$ denotes Euler's totient function and the sum is over all positive divisors $d$ of $n$. Let $r$ be the number of integer partitions of $s$. Determine the value of $r$.
31,044
NT
COMB
COUNT
sympy
K3
[ "K3" ]
54c41e
comb_count_partitions_v1
null
4
0
[ "K3" ]
1
0.001
2026-02-08T02:23:38.882289Z
{ "verified": false, "answer": 31185, "timestamp": "2026-02-08T02:23:38.883574Z" }
025315
fc1b04
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": 185, "completion_tokens": 1127 }, "timestamp": "2026-02-08T18:28:23.658Z", "answer": 31044 }, { ...
1
[ { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "K3", "status": "ok" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" } ...
{ "lo": 3.15, "mid": 4.33, "hi": 5.51 }
155c5c
nt_min_phi_inverse_v1_677425708_2248
Let $n_0$ be the sum of all positive integers $n \leq 20$ such that $n$ is divisible by the smallest divisor $d \geq 2$ of $35$. Let $n_1$ be the smallest positive integer $n \leq n_0$ such that $\phi(n) = 12$. Compute the value of $7^{|n_1|} + 50176$ modulo $99991$.
81,376
graphs = [ Graph( let={ "_m": Const(35), "_n": Const(20), "upper": SumOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("_n")), Eq(Mod(value=Var("n"), modulus=MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"...
NT
null
EXTREMUM
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR/SUM_DIVISIBLE" ]
9f1b23
nt_min_phi_inverse_v1
null
6
0
[ "MIN_PRIME_FACTOR", "SUM_DIVISIBLE" ]
2
0.013
2026-02-08T04:52:23.280903Z
{ "verified": true, "answer": 81376, "timestamp": "2026-02-08T04:52:23.293415Z" }
6455e8
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 207, "completion_tokens": 2094 }, "timestamp": "2026-02-11T22:35:26.391Z", "answer": 81376 }, { ...
1
[ { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "SUM_DIVISIBLE", "status": "ok_...
{ "lo": -3.42, "mid": 1.86, "hi": 7.55 }
d8ecd9
antilemma_sum_equals_v1_655260480_4337
Let $m = 45$. Let $n$ be the number of ordered pairs $(i, j)$ of positive integers such that $1 \leq i \leq 44$, $1 \leq j \leq 45$, and $i + j = m$. Let $x$ be the number of ordered pairs $(i_1, j_1)$ of positive integers such that $1 \leq i_1 \leq 44$, $1 \leq j_1 \leq 44$, and $i_1 + j_1 = n$. Find the value of $x$.
43
graphs = [ Graph( let={ "_m": Const(45), "_n": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=Eq(Sum(Var("i"), Var("j")), Ref("_m")), domain=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(44)), right=IntegerRange(start=Const(1), end=Co...
COMB
GEOM
COMPUTE
sympy
LIN_FORM
[ "COUNT_SUM_EQUALS/COUNT_SUM_EQUALS", "COUNT_SUM_EQUALS" ]
ae9919
antilemma_sum_equals_v1
null
3
0
[ "COUNT_SUM_EQUALS", "LIN_FORM" ]
2
0.1
2026-02-08T17:53:21.639288Z
{ "verified": true, "answer": 43, "timestamp": "2026-02-08T17:53:21.739187Z" }
5ce206
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": 1355 }, "timestamp": "2026-02-24T23:08:22.545Z", "answer": 43 }, { ...
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": "V8", "status": "no" }, { "lemma": "V8_SU...
{ "lo": -8.52, "mid": -5.43, "hi": -3.2 }
f1d5e6
comb_sum_binomial_row_v1_601307018_514
For each integer $a$ with $0 \leq a \leq 60$, define the sequence \[ M = (a^2 - 2) \bmod 61,\quad R = (M^2 - 2) \bmod 61,\quad S = (R^2 - 2) \bmod 61,\quad T = (S^2 - 2) \bmod 61,\quad K = (T^2 - 2) \bmod 61. \] Let $n$ be the number of such $a$ for which $K = a$, but $M \neq a$, $R \neq a$, $S \neq a$, and $T \neq a$....
32,768
graphs = [ Graph( let={ "_n": Const(2), "n": CountOverSet(set=SolutionsSet(var=Var("a"), condition=And(Geq(Var("a"), Const(0)), Leq(Var("a"), Const(60)), Eq(Ref("_po_p5"), Var("a")), Neq(Ref("_po_p1"), Var("a")), Neq(Ref("_po_p2"), Var("a")), Neq(Ref("_po_p3"), Var("a")), Neq(Ref("_p...
COMB
null
SUM
sympy
POLY_ORBIT_COUNT
[ "POLY_ORBIT_COUNT" ]
4ad965
comb_sum_binomial_row_v1
null
7
0
[ "POLY_ORBIT_COUNT" ]
1
0.004
2026-03-10T01:00:39.707785Z
{ "verified": true, "answer": 32768, "timestamp": "2026-03-10T01:00:39.712250Z" }
3b583b
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 272, "completion_tokens": 28376 }, "timestamp": "2026-03-28T23:16:44.560Z", "answer": 33554432 }, ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "POLY_ORBIT_COUNT", "status": "ok" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status": "...
{ "lo": 4.01, "mid": 6.11, "hi": 9.15 }
8b59de_n
alg_poly3_count_v1_1419126231_818
A sculptor carves blocks of material into shapes whose volume is given by the expression $64a^3 - 96a^2b + 48ab^2 - 8b^3$ cubic units, where $a$ and $b$ are positive integers between 1 and 189. She wants to know how many distinct pairs $(a, b)$ will yield a volume of exactly 11,543,176 cubic units. How many such pairs ...
95
ALG
null
COUNT
sympy
MAX_DIVISOR
[ "B3/POLY4_COUNT" ]
a7d975
alg_poly3_count_v1
null
4
null
[ "B3", "MAX_DIVISOR", "POLY4_COUNT" ]
3
5.132
2026-02-25T10:18:22.126701Z
null
7f8032
8b59de
narrative
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 208, "completion_tokens": 965 }, "timestamp": "2026-03-31T03:59:03.928Z", "answer": 95 }, { "id":...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "POLY4_COUNT", "status": "ok_later" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": -5.37, "mid": 0.23, "hi": 5.22 }
4160a3
comb_factorial_compute_v1_601307018_7498
Let $n$ be the minimum value of $10a^2 - 32ab + 32b^2$ over all ordered pairs $(a, b)$ of positive integers with $1 \leq a \leq \left|\{ (a_1, b_1) : 1 \leq a_1 \leq 25,\ 1 \leq b_1 \leq 25,\ a_1 \leq b_1,\ 32a_1^2 - 64a_1b_1 + 32b_1^2 = \min\{ x + y : x > 0, y > 0, xy = 3748096 \} \}\right|$ and $1 \leq b \leq 14$. Co...
40,320
graphs = [ Graph( let={ "_c": Const(2), "_m": Const(32), "_n": Const(2), "n": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), CountOverSet(set=SolutionsSet(var=Tuple(elem...
COMB
null
COMPUTE
sympy
B3
[ "B3/QF_PSD_ORBIT/QF_PSD_MIN" ]
e708ee
comb_factorial_compute_v1
null
7
0
[ "B3", "QF_PSD_MIN", "QF_PSD_ORBIT" ]
3
0.011
2026-03-10T08:01:42.448556Z
{ "verified": true, "answer": 40320, "timestamp": "2026-03-10T08:01:42.459213Z" }
1cc7f8
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 283, "completion_tokens": 3286 }, "timestamp": "2026-04-19T06:53:00.419Z", "answer": 40320 }, { ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "QF_PSD_MIN", "status": "ok_later" }, { "lemma": "QF_PSD_ORBIT", "status": "ok_later" }, { "lemma": "V7", "status": ...
{ "lo": -5.34, "mid": 1.1, "hi": 7.53 }
e7362b_n
alg_qf_psd_sum_v1_1218484723_2413
A game board has four positions, each of which can be filled with a tile numbered 1 through 4. A player rolls four dice to determine values $a$, $b$, $c$, and $d$. The score for a roll is computed using the formula: $27a^2 + 59b^2 + 30c^2 + 66d^2 + 40bc - 8ac - 40ad - 112bd - 66cd + K \cdot ab$, where $K$ is the smalle...
36,221
ALG
null
COMPUTE
sympy
B3
[ "B3" ]
0cd20d
alg_qf_psd_sum_v1
null
4
null
[ "B3" ]
1
0.049
2026-02-25T04:12:50.595753Z
null
863db2
e7362b
narrative
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 257, "completion_tokens": 1792 }, "timestamp": "2026-03-30T18:27:24.817Z", "answer": 36121 }, { ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": 1.5, "mid": 4.69, "hi": 7.23 }
30be3d
nt_count_divisible_and_v1_784195855_1250
Let $d_1$ be the maximum value of $xy$ over all ordered pairs of positive integers $(x, y)$ such that $x + y = 6$. Let $d_2 = 12$. Let $s = \sum_{k=0}^{t} (-1)^k \binom{10}{k}$, where $t$ is the number of integers in the interval $[21, 60]$ that can be expressed as $15a + 6b$ for positive integers $a \in \{1,2\}$ and $...
4,059
graphs = [ Graph( let={ "_n": Const(6), "upper": Const(146124), "d1": 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")), Ref("_n")))),...
COMB
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM/BINOMIAL_ALTERNATING", "B1" ]
c703bd
nt_count_divisible_and_v1
null
7
0
[ "B1", "BINOMIAL_ALTERNATING", "LIN_FORM" ]
3
4.888
2026-02-08T04:55:20.118145Z
{ "verified": true, "answer": 4059, "timestamp": "2026-02-08T04:55:25.006245Z" }
a07975
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 295, "completion_tokens": 1733 }, "timestamp": "2026-02-24T02:19:29.994Z", "answer": 4059 }, { "i...
1
[ { "lemma": "B1", "status": "ok" }, { "lemma": "BINOMIAL_ALTERNATING", "status": "ok_later" }, { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "LIN_FORM", ...
{ "lo": -2.46, "mid": 0.47, "hi": 3.59 }
ad7436
nt_count_divisible_v1_865884756_6470
Let $S$ be the set of all positive integers $n$ such that $1 \leq n \leq 49284$ and $n$ is divisible by $\sum_{k=1}^{5} k$. Compute the number of elements in $S$.
3,285
graphs = [ Graph( let={ "upper": Const(49284), "divisor": Summation(var="k", start=Const(1), end=Const(5), expr=Var("k")), "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
SUM_ARITHMETIC
[ "SUM_ARITHMETIC" ]
eb34f0
nt_count_divisible_v1
null
2
0
[ "SUM_ARITHMETIC" ]
1
1.44
2026-02-08T19:13:29.935448Z
{ "verified": true, "answer": 3285, "timestamp": "2026-02-08T19:13:31.375872Z" }
f5fd5f
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 114, "completion_tokens": 286 }, "timestamp": "2026-02-16T18:36:01.384Z", "answer": 3285 }, { "id": 11, ...
2
[ { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "SUM_ARITHMETIC", "status": "ok" } ]
{ "lo": -10, "mid": -7.27, "hi": -4.54 }
25dfb9
v7_endings_v1_1248542787_189
For each integer $k$ with $0 \le k \le 823$, let $e_k$ be the largest integer $e$ such that $2^e$ divides $\binom{823}{k}$. Let $m$ be the maximum value of $e_k$ over all such $k$. Compute the remainder when $13683 \cdot m$ is divided by $97183$.
82,098
graphs = [ Graph( let={ "_inner_result": MaxOverSet(set=MapOverSet(set=SolutionsSet(var=Var("k"), condition=And(Geq(Var("k"), Const(0)), Leq(Var("k"), Const(823)))), expr=MaxKDivides(target=Binom(n=Const(823), k=Var("k")), base=Const(2)))), "_scale_k": Const(13683), "_sca...
NT
null
COMPUTE
sympy
V7
[ "V7" ]
0672d4
v7_endings_v1
null
7
null
[ "V7" ]
1
0.002
2026-02-08T03:00:44.696173Z
{ "verified": true, "answer": 82098, "timestamp": "2026-02-08T03:00:44.697806Z" }
c8e676
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 198, "completion_tokens": 7071 }, "timestamp": "2026-02-09T01:10:56.154Z", "answer": 82098 }, { "...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "V7", "status": "ok" } ]
{ "lo": -6.5, "mid": -0.2, "hi": 6.11 }
9eaf75
nt_sum_totient_over_divisors_v1_458359167_4917
Let $m = 30$, and let $n$ be the number of positive integers at most $21461$ that are relatively prime to $m$. Let $\text{result} = \sum_{d \mid 18891} \phi(d)$, where $\phi$ denotes Euler's totient function. Let $c$ be the largest positive divisor of $32832851$ that is at most $n$. Compute the remainder when $c \cdot ...
49,241
graphs = [ Graph( let={ "_m": Const(30), "_n": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Const(21461)), Eq(GCD(a=Var("n"), b=Ref("_m")), Const(1))))), "n": Const(18891), "result": SumOverDivisors(n=Ref(nam...
NT
null
COMPUTE
sympy
C4
[ "C4/MAX_DIVISOR" ]
93b7fc
nt_sum_totient_over_divisors_v1
affine_mod
5
0
[ "C4", "MAX_DIVISOR" ]
2
0.004
2026-02-08T12:07:34.798303Z
{ "verified": true, "answer": 49241, "timestamp": "2026-02-08T12:07:34.802654Z" }
1b7639
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 152, "completion_tokens": 3171 }, "timestamp": "2026-02-14T22:23:23.729Z", "answer": 49241 }, ...
1
[ { "lemma": "C4", "status": "ok" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "MAX_DIVISOR", "status": "ok_later" }, { "lemma": "MOD_MUL", "status"...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
eca4a8
comb_binomial_compute_v1_1978505735_7206
Let $n$ be the number of ordered pairs $(i, j)$ of positive integers such that $i + j = 13$, $1 \le i \le 12$, and $1 \le j \le 13$. Compute $\binom{n}{5}$.
792
graphs = [ Graph( let={ "_n": Const(13), "n": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=Eq(Sum(Var("i"), Var("j")), Ref("_n")), domain=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(12)), right=IntegerRange(start=Const(1), end=Con...
ALG
COMB
COMPUTE
sympy
COUNT_SUM_EQUALS
[ "COUNT_SUM_EQUALS" ]
75ab0f
comb_binomial_compute_v1
null
3
0
[ "COUNT_SUM_EQUALS" ]
1
0.011
2026-02-08T20:06:50.987210Z
{ "verified": true, "answer": 792, "timestamp": "2026-02-08T20:06:50.997874Z" }
ad8f4c
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 103, "completion_tokens": 816 }, "timestamp": "2026-02-18T23:57:50.001Z", "answer": 792 }, { ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8_SUM", "status":...
{ "lo": -7.92, "mid": -4.6, "hi": -1.84 }
0b77ad
nt_min_coprime_above_v1_784195855_9584
Let $m$ be the largest positive divisor of $396899$ that does not exceed $629$. Let $n$ be the number of positive integers at most $m$ that are relatively prime to $10$. Let $c = 2$, and let $p_{\text{max}}$ be the largest prime number $n$ such that $c \leq n \leq n$. Compute the smallest integer $k$ such that $21609 <...
21,610
graphs = [ Graph( let={ "_c": Const(2), "_m": MaxOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(1)), Leq(Var("d"), Const(629)), Divides(divisor=Var("d"), dividend=Const(396899))))), "_n": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(...
NT
null
EXTREMUM
sympy
MAX_DIVISOR
[ "MAX_DIVISOR/C4/MAX_PRIME_BELOW" ]
139b52
nt_min_coprime_above_v1
null
7
0
[ "C4", "MAX_DIVISOR", "MAX_PRIME_BELOW" ]
3
0.047
2026-02-08T16:54:07.616291Z
{ "verified": true, "answer": 21610, "timestamp": "2026-02-08T16:54:07.663770Z" }
3ae601
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 161, "completion_tokens": 1529 }, "timestamp": "2026-02-17T15:30:43.842Z", "answer": 21610 }, ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "C4", "status": "ok_later" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "MAX_DIVIS...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
7ef2b6
modular_count_residue_v1_151522320_1307
Let $m = \sum_{d \mid 30} \phi(d)$, where $\phi$ denotes Euler's totient function. Let $r = 10$ and let $\text{upper} = 32057$. Define $\text{result}$ to be the number of positive integers $n$ such that $1 \leq n \leq \text{upper}$ and $n \equiv r \pmod{m}$. Let $\_n = 44121$. Compute $\_n \cdot \text{result}$, and the...
15,890
graphs = [ Graph( let={ "_n": Const(44121), "upper": Const(32057), "m": SumOverDivisors(n=Const(value=30), var='d', expr=EulerPhi(n=Var(name='d'))), "r": Const(10), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), C...
NT
null
COUNT
sympy
K3
[ "K3" ]
54c41e
modular_count_residue_v1
null
3
0
[ "K3" ]
1
1.046
2026-02-08T03:52:37.878739Z
{ "verified": true, "answer": 15890, "timestamp": "2026-02-08T03:52:38.924309Z" }
bec544
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 248, "completion_tokens": 1313 }, "timestamp": "2026-02-10T16:19:01.055Z", "answer": 15890 }, { "...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K3", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V1", "status": "no" } ]
{ "lo": -3.46, "mid": 1.03, "hi": 5.49 }
a488c1
lin_form_endings_v1_1742523217_1145
Let $a = 15$ and $b = 25$. Define $g = \gcd(a, b)$. Let $a' = \left\lfloor \frac{a}{g} \right\rfloor$ and $b' = \left\lfloor \frac{b}{g} \right\rfloor$. Compute the value of $$ (5437 \cdot (a' \cdot 17 + b' \cdot 37 - a' \cdot b')) \mod 61397. $$
35,034
graphs = [ Graph( let={ "a_coeff": Const(15), "b_coeff": Const(25), "A_val": Const(17), "B_val": Const(37), "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
3
null
[ "LIN_FORM" ]
1
0.001
2026-02-08T03:28:30.443198Z
{ "verified": true, "answer": 35034, "timestamp": "2026-02-08T03:28:30.443765Z" }
2c8e44
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 226, "completion_tokens": 650 }, "timestamp": "2026-02-10T04:06:41.414Z", "answer": 35034 }, { "i...
1
[ { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status": "no" ...
{ "lo": -3.46, "mid": 1.03, "hi": 5.49 }
6349bc
nt_lcm_compute_v1_865884756_3107
Let $n = 38$. Let $a$ be the minimum value of $x + y$ over all ordered pairs $(x, y)$ of positive integers such that $xy = 173056$. Let $b = \sum_{k=1}^{n} k$. Compute the least common multiple of $a$ and $b$.
47,424
graphs = [ Graph( let={ "_n": Const(38), "a": 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(173056)))), expr=Sum(Var("x"), Var("y")))),...
NT
null
COMPUTE
sympy
SUM_ARITHMETIC
[ "SUM_ARITHMETIC", "B3" ]
dee757
nt_lcm_compute_v1
null
5
0
[ "B3", "SUM_ARITHMETIC" ]
2
0.002
2026-02-08T17:10:47.745120Z
{ "verified": true, "answer": 47424, "timestamp": "2026-02-08T17:10:47.747033Z" }
b562cd
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 117, "completion_tokens": 1323 }, "timestamp": "2026-02-17T20:56:03.128Z", "answer": 47424 }, ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "le...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
2ca0b6
alg_poly3_min_v1_1218484723_5603
Find the remainder when the minimum value of $-21a^2b + 21ab^2 - 91b^{\max \{ n : n \geq 2,\, n \leq 4,\, n \text{ is prime} \}}$ over all integers $a, b$ with $1 \leq a \leq 115$ and $1 \leq b \leq 115$ is divided by $65396$.
43,707
graphs = [ Graph( let={ "_n": Const(65396), "result": Mod(value=MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), Const(115)), Geq(Var("b"), Const(1)), Leq(Var("b"), Const(115)))), expr=Sum(Mul(Co...
NT
null
COMPUTE
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW" ]
dc3ad3
alg_poly3_min_v1
null
3
0
[ "MAX_PRIME_BELOW" ]
1
0.024
2026-02-25T07:05:40.082127Z
{ "verified": true, "answer": 43707, "timestamp": "2026-02-25T07:05:40.105797Z" }
f68061
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 209, "completion_tokens": 5179 }, "timestamp": "2026-03-29T21:55:33.532Z", "answer": 43707 }, { "...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V8", "status": "no" ...
{ "lo": -3.33, "mid": 1.03, "hi": 5.26 }