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89c592
antilemma_k3_v1_1915831931_3305
Let $n = 16313$. Compute the sum $$ \sum_{d \mid n} \phi(d), $$ where $\phi(d)$ denotes Euler's totient function. Find the value of this sum.
16,313
graphs = [ Graph( let={ "_n": Const(16313), "x": SumOverDivisors(n=Ref(name='_n'), var='d', expr=EulerPhi(n=Var(name='d'))), }, goal=Ref("x"), ) ]
NT
COMB
COMPUTE
sympy
K3
[ "K3" ]
54c41e
antilemma_k3_v1
null
3
0
[ "K3" ]
1
0.001
2026-02-08T17:32:31.042119Z
{ "verified": true, "answer": 16313, "timestamp": "2026-02-08T17:32:31.042833Z" }
cc7d6c
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 1, "correct": { "strict": false, "boxed": false, "relaxed": true }, "usage": { "prompt_tokens": 110, "completion_tokens": 870 }, "timestamp": "2026-02-16T11:23:42.102Z", "answer": 8072 }, { "id": 11, ...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "K3", "status": "ok" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" } ]
{ "lo": -8.26, "mid": -5.01, "hi": -1.76 }
627c6f
nt_sum_divisors_mod_v1_784195855_8718
Let $n = 20160$ and $M = 10957$. Define $\sigma$ to be the sum of all positive divisors of $n$. Let $r$ be the remainder when $\sigma$ is divided by $M$. Let $P$ be the set of all prime numbers $p$ such that $2 \leq p \leq 11$. Compute the Bell number $B_k$, where $k$ is the remainder when $|r|$ is divided by the maxim...
4,140
graphs = [ Graph( let={ "n": Const(20160), "M": Const(10957), "sigma": SumDivisors(n=Ref("n")), "result": Mod(value=Ref("sigma"), modulus=Ref("M")), "Q": Bell(Mod(value=Abs(arg=Ref(name='result')), modulus=MaxOverSet(set=SolutionsSet(var=Var("n"), ...
NT
COMB
COMPUTE
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW" ]
88ea9c
nt_sum_divisors_mod_v1
bell_mod
6
0
[ "MAX_PRIME_BELOW" ]
1
0.004
2026-02-08T16:17:21.065335Z
{ "verified": true, "answer": 4140, "timestamp": "2026-02-08T16:17:21.069252Z" }
09c07b
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": 1215 }, "timestamp": "2026-02-17T01:04:07.344Z", "answer": 4140 }, {...
1
[ { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V1", "statu...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
fa1045
antilemma_k3_v1_1874849503_1032
Compute the sum of $\phi(d)$ over all positive divisors $d$ of $61693$, where $\phi$ denotes Euler's totient function.
61,693
graphs = [ Graph( let={ "x": SumOverDivisors(n=Const(value=61693), var='d', expr=EulerPhi(n=Var(name='d'))), }, goal=Ref("x"), ) ]
NT
COMB
COMPUTE
sympy
K13
[ "K3" ]
54c41e
antilemma_k3_v1
null
3
0
[ "K13", "K3" ]
2
0.002
2026-02-08T13:30:55.746695Z
{ "verified": true, "answer": 61693, "timestamp": "2026-02-08T13:30:55.748759Z" }
74a093
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 142, "completion_tokens": 1424 }, "timestamp": "2026-02-10T00:07:24.773Z", "answer": 61693 }, { "...
1
[ { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K3", "status": "ok" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" } ]
{ "lo": -8.26, "mid": -5.01, "hi": -1.76 }
c0f405
algebra_poly_eval_v1_153355830_617
Let $m = 4$, $n = 3$, and $x = 7$. Define \[ Q = 4 \cdot 7^4 - 9 \cdot 7^p - 8 \cdot 7^2 + 7 + c, \] where $p$ is the largest prime number not exceeding $n$, and $c$ is the number of positive integers $p$ for which there exists a positive integer $q$ such that $p < q$, $pq = 17640$, and $\gcd(p, q) = 1$. Find the remai...
27,595
graphs = [ Graph( let={ "_m": Const(4), "_n": Const(3), "x": Const(7), "result": Sum(Mul(Ref("_m"), Pow(Ref("x"), Const(4))), Mul(Const(-9), Pow(Ref("x"), MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Ref("_n"))...
NT
null
COMPUTE
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW", "COPRIME_PAIRS" ]
05d703
algebra_poly_eval_v1
null
5
0
[ "COPRIME_PAIRS", "MAX_PRIME_BELOW" ]
2
0.004
2026-02-08T04:05:16.575676Z
{ "verified": true, "answer": 27595, "timestamp": "2026-02-08T04:05:16.580079Z" }
328ea4
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 255, "completion_tokens": 2811 }, "timestamp": "2026-02-10T15:15:42.930Z", "answer": 27595 }, { ...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "MOD_SUB", "stat...
{ "lo": -3.42, "mid": 1.86, "hi": 7.55 }
b0377d
comb_sum_binomial_row_v1_2051736721_47
Let $n$ be the number of ordered pairs $(x_1, x_2)$ of positive odd integers such that $x_1 + x_2 = 24$. Compute $2^n$.
4,096
graphs = [ Graph( let={ "_n": Const(24), "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")), Re...
NT
null
SUM
sympy
COMB1
[ "COMB1" ]
567f58
comb_sum_binomial_row_v1
null
3
0
[ "COMB1" ]
1
0.003
2026-02-08T15:10:14.097741Z
{ "verified": true, "answer": 4096, "timestamp": "2026-02-08T15:10:14.100335Z" }
57bc8a
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 89, "completion_tokens": 461 }, "timestamp": "2026-02-16T01:07:33.862Z", "answer": 4096 }, { ...
1
[ { "lemma": "COMB1", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CON...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
0eb2eb
antilemma_v7_kummer_2080023795_116
Let $ c = 11 $ and $ n = 3 $. Let $ m $ be the number of integers $ t $ with $ 27 \leq t \leq 2730 $ for which there exist positive integers $ a \leq 94 $ and $ b \leq 110 $ such that $ t = 15a + 12b $. Let $ k $ be the largest integer such that $ c^k $ divides $ 22264! $. Define $ x $ to be the largest integer such th...
6
graphs = [ Graph( let={ "_c": Const(11), "_m": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=94)), Geq(left=Var...
NT
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM/V1/V7", "V7" ]
7ddbbb
antilemma_v7_kummer
null
7
0
[ "LIN_FORM", "V1", "V7" ]
3
0.028
2026-02-08T11:34:00.226886Z
{ "verified": true, "answer": 6, "timestamp": "2026-02-08T11:34:00.254425Z" }
7bdd65
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 1, "correct": { "strict": false, "boxed": false, "relaxed": true }, "usage": { "prompt_tokens": 239, "completion_tokens": 4200 }, "timestamp": "2026-02-10T05:28:31.936Z", "answer": 3 }, { "i...
1
[ { "lemma": "L3c", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" ...
{ "lo": 2.06, "mid": 5.24, "hi": 8.53 }
6e3af1
modular_inverse_v1_349078426_449
Let $m$ be the largest prime number $n$ such that $2 \leq n \leq N$, where $N$ is the number of integers $t$ with $24 \leq t \leq 1013$ for which there exist positive integers $a \leq 309$ and $b \leq 14$ such that $t = 3a + 5b + 16$. Let $s$ be the minimum value of $x + y$ over all pairs of positive integers $(x, y)$ ...
34,774
graphs = [ Graph( let={ "_n": Const(44121), "a": Const(523), "m": 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='...
NT
null
EXTREMUM
sympy
LIN_FORM
[ "LIN_FORM/MAX_PRIME_BELOW", "B3" ]
2a7052
modular_inverse_v1
null
6
0
[ "B3", "LIN_FORM", "MAX_PRIME_BELOW" ]
3
0.045
2026-02-08T13:03:55.596008Z
{ "verified": true, "answer": 34774, "timestamp": "2026-02-08T13:03:55.641366Z" }
518a4c
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 218, "completion_tokens": 5960 }, "timestamp": "2026-02-15T09:25:54.971Z", "answer": 34774 }, ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok_later...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
9016c6
comb_bell_compute_v1_151522320_1394
Let $t$ be an integer satisfying $8 \leq t \leq 400$. A value of $t$ is said to be representable if there exist integers $a$ and $b$ such that $1 \leq a \leq 11$, $1 \leq b \leq 115$, and $t = 5a + 3b$. Let $m = 385$ and let $n$ be the number of nonnegative integers $j$ with $0 \leq j \leq m$ such that $\binom{n}{j}$ i...
4,140
graphs = [ Graph( let={ "_m": Const(385), "_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=11)), Geq(left=Va...
COMB
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM/V8" ]
654a7e
comb_bell_compute_v1
null
7
0
[ "LIN_FORM", "V8" ]
2
0.005
2026-02-08T03:58:23.858138Z
{ "verified": true, "answer": 4140, "timestamp": "2026-02-08T03:58:23.862707Z" }
f652cd
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 1, "correct": { "strict": false, "boxed": false, "relaxed": true }, "usage": { "prompt_tokens": 288, "completion_tokens": 6240 }, "timestamp": "2026-02-11T16:12:06.305Z", "answer": 190899322 }, {...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V7", "statu...
{ "lo": 3.43, "mid": 5.73, "hi": 8.84 }
daa5bc
antilemma_sum_primes_v1_784195855_2043
Let $t = \sum_{d \mid 10} \mu(d)$ and $m = \sum_{d \mid 1} \mu(d)$. Let $n_0 = (2 + t) \cdot m$. Compute the sum of all prime numbers $n$ such that $n_0 \le n \le 3^k$, where $k$ is the largest integer for which $3^k$ divides $2^9 + 1^9$.
5
graphs = [ Graph( let={ "_m": Const(2), "n1": Const(10), "t": SumOverDivisors(n=Ref(name='n1'), var='d', expr=MoebiusMu(n=Var(name='d'))), "n": Const(1), "m": SumOverDivisors(n=Ref(name='n'), var='d', expr=MoebiusMu(n=Var(name='d'))), "...
NT
null
COMPUTE
sympy
B1
[ "LTE_SUM/SUM_PRIMES", "MOBIUS_SUM", "SUM_PRIMES" ]
9ee86c
antilemma_sum_primes_v1
null
5
2
[ "B1", "LTE_SUM", "MOBIUS_SUM", "SUM_PRIMES" ]
4
0.01
2026-02-08T05:27:34.991780Z
{ "verified": true, "answer": 5, "timestamp": "2026-02-08T05:27:35.002212Z" }
ad502e
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 197, "completion_tokens": 460 }, "timestamp": "2026-02-18T16:48:08.816Z", "answer": 5 } ]
2
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LTE_SUM", "status": "ok" }, { "le...
{ "lo": -10, "mid": -6.47, "hi": -2.95 }
9cf3a6
diophantine_product_count_v1_1520064083_10268
Let $n = 13916$. Let $k$ be the sum of all real solutions $x$ to the equation $x^2 - 240x + n = 0$. Let $T$ be the set of all integers $t$ such that $21 \leq t \leq 288$ and $t = 9a + 12b$ for some integers $a$, $b$ with $1 \leq a \leq 4$ and $1 \leq b \leq 21$. Let $u$ be the number of elements in $T$. Determine the n...
16
graphs = [ Graph( let={ "_n": Const(13916), "k": SumOverSet(set=SolutionsSet(var=Var("x"), condition=Eq(Sum(Pow(Var("x"), Const(2)), Mul(Const(-240), Var("x")), Ref("_n")), Const(0)))), "upper": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'...
NT
null
COUNT
sympy
COUNT_CARTESIAN
[ "VIETA_SUM", "LIN_FORM" ]
f0d186
diophantine_product_count_v1
null
6
0
[ "COUNT_CARTESIAN", "LIN_FORM", "VIETA_SUM" ]
3
0.077
2026-02-08T11:18:56.316032Z
{ "verified": true, "answer": 16, "timestamp": "2026-02-08T11:18:56.392684Z" }
d80a64
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 205, "completion_tokens": 3053 }, "timestamp": "2026-02-14T12:01:17.693Z", "answer": 16 }, { ...
1
[ { "lemma": "K17", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" }, { "le...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
f92b33_n
comb_count_permutations_fixed_v1_1218484723_4747
A security system has $n$ distinct access cards that must be assigned to $n$ distinct employees so that no employee receives their own original card. The number of such assignments is $D_n$, the number of derangements of $n$ elements. A technician first computes a parameter $M$ as follows: consider all integers $a$ wit...
315
COMB
null
COUNT
sympy
POLY_ORBIT_LEGENDRE
[ "POLY_ORBIT_LEGENDRE/SUM_GEOM" ]
82d294
comb_count_permutations_fixed_v1
null
7
null
[ "POLY_ORBIT_LEGENDRE", "SUM_GEOM" ]
2
0.003
2026-02-25T06:24:16.546177Z
null
2d3400
f92b33
narrative
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 1, "correct": { "strict": false, "boxed": false, "relaxed": true }, "usage": { "prompt_tokens": 435, "completion_tokens": 32768 }, "timestamp": "2026-03-30T22:20:22.024Z", "answer": null }, { ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "POLY_ORBIT_LEGENDRE", "status": "ok" }, { "lemma": "SUM_...
{ "lo": 1.5, "mid": 4.69, "hi": 7.23 }
525f4a
nt_count_coprime_and_v1_124444284_3496
Let $k_1 = 11$ and let $k_2$ be the largest prime number less than or equal to $14$. Determine the number of positive integers $n$ such that $1 \leq n \leq 32892$, $\gcd(n, k_1) = 1$, and $\gcd(n, k_2) = 1$.
27,602
graphs = [ Graph( let={ "upper": Const(32892), "k1": Const(11), "k2": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Const(14)), IsPrime(Var("n"))))), "result": CountOverSet(set=SolutionsSet(var=Var("n"), conditi...
NT
null
COUNT
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW" ]
dc3ad3
nt_count_coprime_and_v1
null
4
0
[ "MAX_PRIME_BELOW" ]
1
3.729
2026-02-08T05:25:51.292513Z
{ "verified": true, "answer": 27602, "timestamp": "2026-02-08T05:25:55.021390Z" }
3b11ad
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": 1385 }, "timestamp": "2026-02-12T08:31:29.743Z", "answer": 27602 }, ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "st...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
a8cee1
nt_count_phi_equals_v1_798873815_522
Let \[w = \sum_{d \mid 32} \mu(d),\] where $\mu$ is the Möbius function. Let $u$ be the value of the Liouville function $\lambda(213)$. Let $P$ be the set of all positive integers $p$ for which there exists an integer $q$ such that \[pq = 216,\quad \gcd(p,q)=1,\quad p<q.\] Let $c$ be the number of elements of $P$. L...
0
graphs = [ Graph( let={ "_n": Const(389), "n1": Const(32), "w": SumOverDivisors(n=Ref(name='n1'), var='d', expr=MoebiusMu(n=Var(name='d'))), "n": Const(213), "u": LiouvilleLambda(n=Ref(name='n')), "upper": Sum(MinOverSet(set=SolutionsSe...
NT
null
COUNT
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS/MIN_PRIME_FACTOR/MOBIUS_SUM", "LIOUVILLE_ONE" ]
050fa6
nt_count_phi_equals_v1
null
8
2
[ "COPRIME_PAIRS", "LIOUVILLE_ONE", "MIN_PRIME_FACTOR", "MOBIUS_SUM" ]
4
0.121
2026-02-08T02:40:27.703560Z
{ "verified": true, "answer": 0, "timestamp": "2026-02-08T02:40:27.824816Z" }
c220bc
CC BY 4.0
[ { "id": 4, "model": "NousResearch/Hermes-4-405B", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 280, "completion_tokens": 799 }, "timestamp": "2026-02-09T01:14:30.100Z", "answer": 0 }, { ...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "LIOUVILLE_ONE", "status": "ok" }, { "lemma": "LTE_SUM", "status": "n...
{ "lo": -4.84, "mid": -1.64, "hi": 2.05 }
516ff5
algebra_quadratic_discriminant_v1_865884756_3043
Let $n$ be a positive integer such that $1 \leq n \leq 35$. Define $b$ to be the number of such integers $n$ for which the sum of the digits of $n$ is odd. Let $a = -1$ and $c = -81$. Compute $b^2 - 4ac$.
0
graphs = [ Graph( let={ "_n": Const(2), "a": Const(-1), "b": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Const(35)), Eq(Mod(value=DigitSum(Var("n")), modulus=Const(2)), Const(1))))), "c": Const(-81), ...
NT
null
COMPUTE
sympy
BINOMIAL_ALTERNATING
[ "L3B" ]
cc148f
algebra_quadratic_discriminant_v1
null
3
0
[ "BINOMIAL_ALTERNATING", "L3B" ]
2
0.012
2026-02-08T17:08:08.301875Z
{ "verified": true, "answer": 0, "timestamp": "2026-02-08T17:08:08.313634Z" }
0cc8c7
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 119, "completion_tokens": 704 }, "timestamp": "2026-02-17T19:56:46.208Z", "answer": 0 }, { ...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "L3B", "status": "ok" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "V1", "status": "no...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
4b6a4c
antilemma_v1_legendre_124444284_223
Let $m = 16263$ and let $n$ be the smallest divisor of $1356277$ that is at least $2$. Let $x$ be the largest integer $k$ such that $n^k$ divides $m!$. Compute the Bell number $B_y$, where $y$ is the absolute value of $x$ modulo $11$.
1
graphs = [ Graph( let={ "_m": Const(16263), "_n": MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(2)), Divides(divisor=Var("d"), dividend=Const(1356277))))), "x": MaxKDivides(target=Factorial(Ref("_m")), base=Ref("_n")), "Q": Bell(M...
NT
COMB
COMPUTE
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR/V1", "V1" ]
1d9641
antilemma_v1_legendre
null
6
0
[ "MIN_PRIME_FACTOR", "V1" ]
2
0.001
2026-02-08T03:04:56.245168Z
{ "verified": true, "answer": 1, "timestamp": "2026-02-08T03:04:56.246073Z" }
61a3e7
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": 1267 }, "timestamp": "2026-02-09T14:53:12.569Z", "answer": 1 }, { "id":...
1
[ { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K5", "status": "same_pattern_wrong" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR...
{ "lo": -6.51, "mid": -0.31, "hi": 5.43 }
a115be
nt_min_crt_v1_1915831931_1773
Let $m = 8$, $a = 7$, $b = 8$, and $u = 88$. Let $k$ be the largest prime number $n$ such that $2 \leq n \leq 11$. Compute the smallest positive integer $n_1$ such that $1 \leq n_1 \leq u$, $n_1 \equiv a \pmod{m}$, and $n_1 \equiv b \pmod{k}$.
63
graphs = [ Graph( let={ "_n": Const(2), "m": Const(8), "k": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Ref("_n")), Leq(Var("n"), Const(11)), IsPrime(Var("n"))))), "a": Const(7), "b": Const(8), "upper": Const(8...
NT
null
EXTREMUM
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW" ]
dc3ad3
nt_min_crt_v1
null
5
0
[ "MAX_PRIME_BELOW" ]
1
0.008
2026-02-08T16:26:12.126288Z
{ "verified": true, "answer": 63, "timestamp": "2026-02-08T16:26:12.134129Z" }
7eb497
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": 750 }, "timestamp": "2026-02-17T03:39:29.198Z", "answer": 63 }, { ...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "V3", "status": "no" }, { "lemma": "V7", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
de9270
nt_count_coprime_and_v1_1520064083_8587
Let $U$ be the number of positive integers $n \leq 587460$ such that the $n$-th Fibonacci number is divisible by $30$. Let $k_1 = 7$ and $k_2 = 11$. Define $R$ to be the number of positive integers $n \leq U$ such that $\gcd(n, k_1) = 1$ and $\gcd(n, k_2) = 1$. Determine the value of $R$.
7,630
graphs = [ Graph( let={ "upper": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Const(587460)), Divides(divisor=Const(30), dividend=Fibonacci(arg=Var(name='n')))))), "k1": Const(7), "k2": Const(11), "result": C...
NT
null
COUNT
sympy
COUNT_FIB_DIVISIBLE
[ "COUNT_FIB_DIVISIBLE" ]
66de3c
nt_count_coprime_and_v1
null
7
0
[ "COUNT_FIB_DIVISIBLE" ]
1
1.769
2026-02-08T10:15:42.711743Z
{ "verified": true, "answer": 7630, "timestamp": "2026-02-08T10:15:44.480348Z" }
dbf56c
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 149, "completion_tokens": 1288 }, "timestamp": "2026-02-14T06:54:35.335Z", "answer": 7630 }, {...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "ok" }, { "lemma": "K13", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" } ]
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
966b45
lin_form_endings_v1_809748730_728
Let $a = 48$ and $b = 36$. Define $g$ to be the greatest common divisor of $a$ and $b$. Let $a' = \left\lfloor \frac{a}{g} \right\rfloor$ and $b' = \left\lfloor \frac{b}{g} \right\rfloor$. Given $A = 11$ and $B = 22$, compute the quantity $$Q = a' A + b' B - a' b'.$$ Multiply $Q$ by $17373$ to obtain $Q'$. Let $x$ be t...
16,146
graphs = [ Graph( let={ "a_coeff": Const(48), "b_coeff": Const(36), "A_val": Const(11), "B_val": Const(22), "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
2
null
[ "LIN_FORM" ]
1
0.001
2026-02-08T11:42:37.644074Z
{ "verified": true, "answer": 16146, "timestamp": "2026-02-08T11:42:37.645030Z" }
37ffbe
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 193, "completion_tokens": 709 }, "timestamp": "2026-02-14T17:33:41.115Z", "answer": 16146 }, {...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" } ]
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
100a93
nt_count_divisors_in_range_v1_865884756_5824
Let $n = 10080$. Let $a$ be the number of ordered pairs $(i,j)$ of positive integers such that $i + j = 37$, $1 \leq i \leq 36$, and $1 \leq j \leq 37$. Let $b = 847$. Compute the number of positive divisors $d$ of $n$ such that $a \leq d \leq b$.
40
graphs = [ Graph( let={ "_n": Const(37), "n": Const(10080), "a": 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(36)), right=Integ...
NT
null
COUNT
sympy
COUNT_SUM_EQUALS
[ "COUNT_SUM_EQUALS" ]
75ab0f
nt_count_divisors_in_range_v1
null
4
0
[ "COUNT_SUM_EQUALS" ]
1
0.63
2026-02-08T18:48:00.024437Z
{ "verified": true, "answer": 40, "timestamp": "2026-02-08T18:48:00.653978Z" }
057c4a
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 134, "completion_tokens": 2758 }, "timestamp": "2026-02-18T19:41:27.275Z", "answer": 40 }, { ...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "K13", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "L3b", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
e409f9
comb_count_surjections_v1_1116507919_415
Let $k$ be the number of ordered pairs $(i, j)$ of integers with $1 \leq i \leq 6$, $1 \leq j \leq 6$, and $i + j = 8$. Compute $k! \cdot S(6, k)$, where $S(6, k)$ denotes the Stirling number of the second kind.
1,800
graphs = [ Graph( let={ "n": Const(6), "k": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=Eq(Sum(Var("i"), Var("j")), Const(8)), domain=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(6)), right=IntegerRange(start=Const(1), end=Const(6...
COMB
null
COUNT
sympy
COUNT_SUM_EQUALS
[ "COUNT_SUM_EQUALS" ]
75ab0f
comb_count_surjections_v1
null
3
0
[ "COUNT_SUM_EQUALS" ]
1
0.011
2026-02-08T02:34:05.320855Z
{ "verified": true, "answer": 1800, "timestamp": "2026-02-08T02:34:05.332177Z" }
288948
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": 773 }, "timestamp": "2026-02-08T19:31:31.211Z", "answer": 1800 }, { "id...
1
[ { "lemma": "C2", "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_SUM", "stat...
{ "lo": -4.8, "mid": -2.89, "hi": -0.93 }
9e5743
antilemma_sum_equals_v1_1080341949_226
Let $n$ be the number of ordered pairs $(i,j)$ of positive integers such that $i + j = 87$ and $1 \le i \le 87$, $1 \le j \le 87$. Compute $n$.
86
graphs = [ Graph( let={ "x": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=Eq(Sum(Var("i"), Var("j")), Const(87)), domain=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(87)), right=IntegerRange(start=Const(1), end=Const(87))))), }, ...
COMB
GEOM
COMPUTE
sympy
COMB1
[ "COUNT_SUM_EQUALS" ]
75ab0f
antilemma_sum_equals_v1
null
2
0
[ "COMB1", "COUNT_SUM_EQUALS" ]
2
0.022
2026-02-08T13:19:29.206096Z
{ "verified": true, "answer": 86, "timestamp": "2026-02-08T13:19:29.228355Z" }
de2885
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 162, "completion_tokens": 266 }, "timestamp": "2026-02-24T18:06:28.377Z", "answer": 86 }, { "id":...
1
[ { "lemma": "C2", "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_SUM", "stat...
{ "lo": -9.23, "mid": -6.18, "hi": -4.06 }
abc6c4
diophantine_fbi2_min_v1_579913215_155
Let $S$ be the set of all integers $t$ such that $10 \leq t \leq 95$ and there exist positive integers $a$, $b$ with $1 \leq a \leq 20$, $1 \leq b \leq 5$, satisfying $$t = 3a + 7b.$$ Let $U$ be the number of elements in $S$. Find the smallest integer $d$ such that $5 \leq d \leq U$, $d$ divides $64$, and $\frac{64}{d...
8
graphs = [ Graph( let={ "_n": Const(5), "k": Const(64), "upper": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=...
NT
null
EXTREMUM
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
diophantine_fbi2_min_v1
null
5
0
[ "LIN_FORM" ]
1
0.006
2026-02-08T12:55:33.639047Z
{ "verified": true, "answer": 8, "timestamp": "2026-02-08T12:55:33.644745Z" }
ee44ee
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 168, "completion_tokens": 2613 }, "timestamp": "2026-02-15T07:55:57.522Z", "answer": 8 }, { ...
1
[ { "lemma": "K13", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "V1", "status": "no" } ]
{ "lo": -9.12, "mid": -6.02, "hi": -3.62 }
d4e2aa
antilemma_sum_equals_v1_655260480_5556
Let $n$ be the number of ordered pairs $(x_1, x_2)$ of positive odd integers such that $x_1 + x_2 = 60$. Let $x$ be the number of ordered pairs $(i, j)$ of integers with $1 \leq i \leq 29$ and $1 \leq j \leq 29$ such that $i + j = n$. Compute the remainder when $17207 \cdot x$ is divided by $76211$.
41,737
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")), Const(60))))), "x"...
COMB
GEOM
COMPUTE
sympy
COMB1
[ "COMB1/COUNT_SUM_EQUALS", "COUNT_SUM_EQUALS" ]
3e1adf
antilemma_sum_equals_v1
null
4
0
[ "COMB1", "COUNT_SUM_EQUALS" ]
2
0.024
2026-02-08T18:33:35.903005Z
{ "verified": true, "answer": 41737, "timestamp": "2026-02-08T18:33:35.927301Z" }
4ef6a8
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 150, "completion_tokens": 1460 }, "timestamp": "2026-02-18T17:30:22.053Z", "answer": 41737 }, ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COMB1", "status": "ok" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" }, ...
{ "lo": -3.12, "mid": 1.47, "hi": 6.57 }
cce608
comb_count_permutations_fixed_v1_1439011603_227
Let $A$ be the set of all ordered pairs of positive integers $(x, y)$ such that $xy = 9$. Let $n$ be the minimum value of $x + y$ as $(x, y)$ ranges over $A$. Let $B$ be the set of all positive integers $p$ for which there exists a positive integer $q$ such that $pq = 24$, $\gcd(p, q) = 1$, and $p < q$. Let $k$ be the ...
60,615
graphs = [ Graph( let={ "_m": Const(47153), "_n": Const(70056), "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(9)))), e...
NT
COMB
COUNT
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS", "B3" ]
1999ea
comb_count_permutations_fixed_v1
null
5
0
[ "B3", "COPRIME_PAIRS" ]
2
0.005
2026-02-08T15:22:11.541990Z
{ "verified": true, "answer": 60615, "timestamp": "2026-02-08T15:22:11.546873Z" }
155f43
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 225, "completion_tokens": 2910 }, "timestamp": "2026-02-16T05:13:43.327Z", "answer": 60615 }, ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "V7", "status": "no" }, { ...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
654c7f
comb_factorial_compute_v1_1918700295_2529
Let $n$ be the number of positive integers $p$ for which there exists a positive integer $q$ such that $p < q$, $\gcd(p, q) = 1$, and $pq = 10290$. Compute $n!$.
40,320
graphs = [ Graph( let={ "n": CountOverSet(set=SolutionsSet(var=Var("p"), condition=And(IsPositive(arg=Var(name='p')), Exists(var=Var(name='q'), condition=And(Eq(left=Mul(Var(name='p'), Var(name='q')), right=Const(value=10290)), Eq(left=GCD(a=Var(name='p'), b=Var(name='q')), right=Const(value=1))...
NT
null
COMPUTE
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS" ]
2bb3aa
comb_factorial_compute_v1
null
4
0
[ "COPRIME_PAIRS" ]
1
0.002
2026-02-08T07:56:50.571897Z
{ "verified": true, "answer": 40320, "timestamp": "2026-02-08T07:56:50.574173Z" }
7e8972
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 100, "completion_tokens": 2377 }, "timestamp": "2026-02-13T13:50:47.417Z", "answer": 40320 }, ...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "L3b", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "V3", "status": "no" } ]
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
03404f
comb_bell_compute_v1_677425708_692
Define $u = \sum_{k=0}^{n_2} (-1)^k \binom{n_2}{k}$, where $n_2 = \sum_{k=0}^{3} (-1)^k \binom{3}{k}$. Define $w = \sum_{k=0}^{10} (-1)^k \binom{10}{k}$. Let $n = 9u + w$, where 9 is the number of ordered pairs $(i,j)$ with $1 \leq i \leq 3$ and $1 \leq j \leq 3$. Compute the Bell number $B_n$, which counts the number ...
21,147
graphs = [ Graph( let={ "n2": Const(0), "u": Summation(var="k", start=Summation(var="k", start=Const(0), end=Const(3), expr=Mul(Pow(Const(-1), Var("k")), Binom(n=Const(3), k=Var("k")))), end=Ref("n2"), expr=Mul(Pow(Const(-1), Var("k")), Binom(n=Ref("n2"), k=Var("k")))), "...
COMB
null
COMPUTE
sympy
COUNT_CARTESIAN
[ "COUNT_CARTESIAN/BINOMIAL_ALTERNATING" ]
d0de27
comb_bell_compute_v1
null
4
2
[ "BINOMIAL_ALTERNATING", "COUNT_CARTESIAN" ]
2
0.003
2026-02-08T03:41:23.389739Z
{ "verified": true, "answer": 21147, "timestamp": "2026-02-08T03:41:23.392974Z" }
e060f5
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 270, "completion_tokens": 489 }, "timestamp": "2026-02-08T20:56:35.751Z", "answer": 21147 }, { "i...
1
[ { "lemma": "BINOMIAL_ALTERNATING", "status": "ok_later" }, { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma":...
{ "lo": -4.92, "mid": -2.9, "hi": -0.7 }
f99a41
nt_min_with_divisor_count_v1_458359167_5095
Find the smallest positive integer $n$ at most $87025$ that has exactly $10$ positive divisors.
48
graphs = [ Graph( let={ "upper": Const(87025), "div_count": Const(10), "result": MinOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("upper")), Eq(NumDivisors(n=Var("n")), Ref("div_count"))))), }, goal=Ref("re...
NT
null
EXTREMUM
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS/ONE_PHI_2" ]
761f00
nt_min_with_divisor_count_v1
null
4
0
[ "COPRIME_PAIRS", "ONE_PHI_2" ]
2
8.207
2026-02-08T12:16:32.943718Z
{ "verified": true, "answer": 48, "timestamp": "2026-02-08T12:16:41.150830Z" }
e1f56c
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 70, "completion_tokens": 1033 }, "timestamp": "2026-02-14T23:52:18.192Z", "answer": 48 }, { ...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "K5", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "ONE_PHI_2", "status": "ok_later" }, { "lemma": "POLY_PADIC_VAL_CONST", "status"...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
844ead
sequence_lucas_compute_v1_1978505735_2140
Let $n = 23$. Define $L_n$ to be the $n$th Lucas number, where the Lucas sequence is defined by $L_1 = 1$, $L_2 = 3$, and $L_k = L_{k-1} + L_{k-2}$ for $k \geq 3$. Let $c$ be the number of positive integers $p$ for which there exists an integer $q$ such that $pq = 150$, $\gcd(p, q) = 1$, and $p < q$. Compute the remain...
14,340
graphs = [ Graph( let={ "_n": Const(78415), "n": Const(23), "result": Lucas(arg=Ref(name='n')), "_c": 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'), Va...
NT
null
COMPUTE
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS" ]
c90628
sequence_lucas_compute_v1
negation_mod
4
0
[ "COPRIME_PAIRS" ]
1
0.002
2026-02-08T16:40:33.765839Z
{ "verified": true, "answer": 14340, "timestamp": "2026-02-08T16:40:33.767732Z" }
397a2d
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": 1645 }, "timestamp": "2026-02-17T11:08:56.601Z", "answer": 14340 }, ...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "K16", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "V8", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
0b298e
sequence_fibonacci_compute_v1_898971024_1854
Let $n = \sum_{k=1}^{6} \phi(k) \left\lfloor \frac{6}{k} \right\rfloor$, where $\phi(k)$ denotes Euler's totient function. Let $F_n$ be the $n$th Fibonacci number, where $F_1 = 1$, $F_2 = 1$, and $F_k = F_{k-1} + F_{k-2}$ for $k \geq 3$. Compute the remainder when $44121 \cdot F_n$ is divided by $96700$.
28,666
graphs = [ Graph( let={ "_n": Const(96700), "n": Summation(var="k", start=Const(1), end=Const(6), expr=Mul(EulerPhi(n=Var("k")), Floor(Div(Const(6), Var("k"))))), "result": Fibonacci(arg=Ref(name='n')), "Q": Mod(value=Mul(Const(44121), Ref("result")), modulus=...
NT
null
COMPUTE
sympy
K2
[ "K2" ]
6897ab
sequence_fibonacci_compute_v1
null
4
0
[ "K2" ]
1
0.001
2026-02-08T16:23:26.505927Z
{ "verified": true, "answer": 28666, "timestamp": "2026-02-08T16:23:26.506902Z" }
7b2b69
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 167, "completion_tokens": 2338 }, "timestamp": "2026-02-17T02:46:46.325Z", "answer": 28666 }, ...
1
[ { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" } ...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
1cf86e
nt_sum_divisors_mod_v1_1742523217_961
Let $n$ be the minimum value of $x + y$ over all ordered pairs $(x, y)$ of positive integers such that $xy = 6350400$. Let $\sigma(n)$ denote the sum of the positive divisors of $n$. Compute the remainder when $\sigma(n)$ is divided by 11071.
8,273
graphs = [ Graph( let={ "n": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Mul(Var("x"), Var("y")), Const(6350400)))), expr=Sum(Var("x"), Var("y")))), "M": Const(1107...
NT
null
COMPUTE
sympy
B3
[ "B3" ]
0cd20d
nt_sum_divisors_mod_v1
null
6
0
[ "B3" ]
1
0.001
2026-02-08T03:22:17.510712Z
{ "verified": true, "answer": 8273, "timestamp": "2026-02-08T03:22:17.512006Z" }
1c7f59
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 178, "completion_tokens": 1649 }, "timestamp": "2026-02-10T01:10:42.686Z", "answer": 8273 }, { "i...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status":...
{ "lo": -5.15, "mid": 0.01, "hi": 5.44 }
82e7b6_n
alg_poly4_min_v1_1218484723_3543
A software algorithm computes a performance score based on two parameters $a$ and $b$, each between $1$ and $300$. The score is $S \cdot b^4 + 12288a^4 + 6144a^3b + 57600a^2b^2 + 14208ab^3$, where $S$ is the smallest possible sum of two positive numbers whose product is $16353936$. What is the lowest achievable score?
98,328
ALG
null
COMPUTE
sympy
B3
[ "B3" ]
0cd20d
alg_poly4_min_v1
null
6
null
[ "B3" ]
1
0.859
2026-02-25T05:10:47.597230Z
null
4ac130
82e7b6
narrative
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": 8521 }, "timestamp": "2026-03-30T20:12:29.761Z", "answer": 98328 }, { "...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": -5.37, "mid": 0.23, "hi": 5.22 }
f29ed4
antilemma_k3_v1_784195855_7586
Let $n = 77644$. Compute the sum of $\phi(d)$ over all positive divisors $d$ of $n$, where $\phi$ denotes Euler's totient function.
77,644
graphs = [ Graph( let={ "_n": Const(77644), "x": SumOverDivisors(n=Ref(name='_n'), var='d', expr=EulerPhi(n=Var(name='d'))), }, goal=Ref("x"), ) ]
NT
COMB
COMPUTE
sympy
K3
[ "K3" ]
54c41e
antilemma_k3_v1
null
3
0
[ "K3" ]
1
0
2026-02-08T09:24:16.168388Z
{ "verified": true, "answer": 77644, "timestamp": "2026-02-08T09:24:16.168801Z" }
f1e692
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 1, "correct": { "strict": false, "boxed": false, "relaxed": true }, "usage": { "prompt_tokens": 100, "completion_tokens": 262 }, "timestamp": "2026-02-15T20:40:23.853Z", "answer": 1080 }, { "id": 11, ...
1
[ { "lemma": "DS2", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "K3", "status": "ok" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V5", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -8.26, "mid": -5.01, "hi": -1.76 }
ab3250
antilemma_sum_equals_v1_124444284_1511
Determine the number of ordered pairs $(i,j)$ of positive integers such that $i + j = 26$ and $1 \leq i \leq 25$, $1 \leq j \leq 25$.
25
graphs = [ Graph( let={ "_n": Const(26), "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(25)), 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
0.015
2026-02-08T03:57:41.211279Z
{ "verified": true, "answer": 25, "timestamp": "2026-02-08T03:57:41.225871Z" }
34887c
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 158, "completion_tokens": 259 }, "timestamp": "2026-02-10T16:17:29.060Z", "answer": 25 }, { "id":...
2
[ { "lemma": "COUNT_COPRIME_GRID", "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", "stat...
{ "lo": -10, "mid": -7.79, "hi": -5.57 }
bd400f
nt_sum_over_divisible_v1_168721529_1508
Let $s$ be the minimum value of $x + y$ where $x$ and $y$ are positive integers such that $xy = 9025$. Let $T$ be the set of all positive integers $n \leq 6666$ such that $n$ is divisible by $s$. Let $S$ be the sum of all elements in $T$. Compute the Bell number of $|S| \bmod 11$.
21,147
graphs = [ Graph( let={ "_n": Const(9025), "upper": Const(6666), "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...
COMB
null
SUM
sympy
B3
[ "B3" ]
0cd20d
nt_sum_over_divisible_v1
null
4
0
[ "B3" ]
1
0.224
2026-02-08T13:44:34.875198Z
{ "verified": true, "answer": 21147, "timestamp": "2026-02-08T13:44:35.098841Z" }
cbc061
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 204, "completion_tokens": 1305 }, "timestamp": "2026-02-09T18:16:14.630Z", "answer": 21147 }, { "...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": 1.15, "mid": 4.18, "hi": 6.61 }
dc51b6
nt_gcd_compute_v1_655260480_5294
Let $a = 230616$ and $b = 435608$. Define $\text{result} = \gcd(a, b)$. Let $S$ be the set of all positive integers $n$ such that $1 \leq n \leq 244$, $n$ is even, and $\gcd(n, 21) = 1$. Let $\text{count}$ be the number of elements in $S$. Define $$ \text{digit_sum} = \sum_{i=0}^{\text{NumDigits}(\text{result}) - 1} \t...
266
graphs = [ Graph( let={ "_n": Const(2), "a": Const(230616), "b": Const(435608), "result": GCD(a=Ref("a"), b=Ref("b")), "Q": Sum(Summation(var="i", start=Const(0), end=Sub(NumDigits(x=Abs(arg=Ref(name='result')), base=None), Const(1)), expr=Mul(Digi...
NT
null
COMPUTE
sympy
C5
[ "C5" ]
4bcb45
nt_gcd_compute_v1
digits_weighted_mod
4
0
[ "C5" ]
1
0.005
2026-02-08T18:24:07.004831Z
{ "verified": true, "answer": 266, "timestamp": "2026-02-08T18:24:07.009729Z" }
b27c55
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 242, "completion_tokens": 1623 }, "timestamp": "2026-02-18T16:49:32.815Z", "answer": 266 }, { ...
1
[ { "lemma": "C5", "status": "ok" }, { "lemma": "K15", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
88dc65_n
comb_count_derangements_v1_1419126231_990
A theater has $n$ performers, each assigned a unique costume. At the end of a show, costumes are returned randomly such that no one gets their own — a derangement. The number of performers $n$ is calculated by summing $2^k$ for $k = 1$ to $3$, multiplying the sum by 3, and dividing by 9. How many ways can the costumes ...
1,854
COMB
null
COUNT
sympy
SUM_INDEPENDENT
[ "SUM_INDEPENDENT", "SUM_GEOM" ]
a4c575
comb_count_derangements_v1
null
4
null
[ "SUM_GEOM", "SUM_INDEPENDENT" ]
2
0.001
2026-02-25T10:30:19.717745Z
null
6ec227
88dc65
narrative
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 1, "correct": { "strict": false, "boxed": false, "relaxed": true }, "usage": { "prompt_tokens": 204, "completion_tokens": 6275 }, "timestamp": "2026-03-31T04:13:06.656Z", "answer": 32071101049 }, ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "SUM_GEOM", "status": "ok" }, { "lemma": "SUM_INDEPENDENT", "status": "ok" }, { "lemma": "V8", "status": ...
{ "lo": 3.8, "mid": 6.33, "hi": 9.49 }
1603bf
diophantine_fbi2_count_v1_1978505735_1242
Let $ s $ be the set of all ordered pairs $ (x, y) $ of positive integers such that $ xy = 32400 $. Let $ \text{sums} $ be the set of all values $ x + y $ for $ (x, y) \in s $. Define $ k $ to be the minimum element of $ \text{sums} $. Compute the number of integers $ d $ such that $ 2 \leq d \leq 81 $, $ d $ divides $...
28,908
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(32400)))), expr=Sum(Var("x"), Var("y")))), "result": CountOv...
NT
null
COUNT
sympy
B3
[ "B3" ]
0cd20d
diophantine_fbi2_count_v1
null
5
0
[ "B3" ]
1
0.008
2026-02-08T15:59:08.158837Z
{ "verified": true, "answer": 28908, "timestamp": "2026-02-08T15:59:08.166505Z" }
f059ce
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 201, "completion_tokens": 1529 }, "timestamp": "2026-02-16T18:05:33.063Z", "answer": 28908 }, ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
ca42fb
antilemma_sum_equals_v1_1978505735_7606
Let $T$ be the set of all integers $t$ such that $12 \leq t \leq 91$ and there exist positive integers $a$ and $b$ with $1 \leq a \leq 8$, $1 \leq b \leq 7$, and $t = 7a + 5b$. Let $N$ be the number of elements in $T$. Let $S$ be the set of all ordered pairs $(i, j)$ of positive integers such that $1 \leq i \leq 55$,...
87
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=8)), 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
0.009
2026-02-08T20:21:46.991409Z
{ "verified": true, "answer": 87, "timestamp": "2026-02-08T20:21:47.000283Z" }
7907c9
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 235, "completion_tokens": 2496 }, "timestamp": "2026-02-19T00:24:26.849Z", "answer": 87 }, { ...
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": -3.12, "mid": 1.47, "hi": 6.57 }
4892e0
sequence_fibonacci_compute_v1_717093673_3333
Let $S$ be the set of all nonnegative integers $j$ such that $0 \leq j \leq 4865$ and $\binom{4865}{j}$ is odd. Let $m$ be the number of elements in $S$. Define $n = m + 9$. Let $F_n$ denote the $n$th Fibonacci number, where $F_0 = 0$, $F_1 = 1$, and $F_k = F_{k-1} + F_{k-2}$ for $k \geq 2$. Find the remainder when $26...
13,463
graphs = [ Graph( let={ "_n": Const(67312), "n": Sum(CountOverSet(set=SolutionsSet(var=Var("j"), condition=And(Geq(Var("j"), Const(0)), Leq(Var("j"), Const(4865)), Eq(Mod(value=Binom(n=Const(4865), k=Var("j")), modulus=Const(2)), Const(1))), domain='nonnegative_integers')), Const(9))...
ALG
COMB
COMPUTE
sympy
V8
[ "V8" ]
86348e
sequence_fibonacci_compute_v1
null
6
0
[ "V8" ]
1
0.002
2026-02-08T17:30:02.122491Z
{ "verified": true, "answer": 13463, "timestamp": "2026-02-08T17:30:02.124252Z" }
0cb89a
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 185, "completion_tokens": 3122 }, "timestamp": "2026-02-18T03:54:21.298Z", "answer": 13463 }, ...
1
[ { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "V8", "status": "ok" }, { "lemma": "V8_SUM", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -2.38, "mid": 1.74, "hi": 6.59 }
972ea3
nt_lcm_compute_v1_717093673_1956
Let $a$ be the number of prime numbers $n$ such that $2 \leq n \leq 6947$. Let $b = 2862$. Compute the least common multiple of $a$ and $b$.
94,446
graphs = [ Graph( let={ "a": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Const(6947)), IsPrime(Var("n"))))), "b": Const(2862), "result": LCM(a=Ref("a"), b=Ref("b")), }, goal=Ref("result"), ) ]
NT
null
COMPUTE
sympy
L3C
[ "COUNT_PRIMES" ]
07c874
nt_lcm_compute_v1
null
4
0
[ "COUNT_PRIMES", "L3C" ]
2
0.011
2026-02-08T16:24:53.303713Z
{ "verified": true, "answer": 94446, "timestamp": "2026-02-08T16:24:53.314535Z" }
75f8d2
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 94, "completion_tokens": 3143 }, "timestamp": "2026-02-17T03:06:15.750Z", "answer": 94446 }, {...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "ok" }, { "lemma": "K17", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "V3", "status": "no" ...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
08f509
comb_count_surjections_v1_458359167_1298
Let $n$ be the number of ordered pairs $(i,j)$ of integers with $1 \le i \le 6$ and $1 \le j \le 6$ such that $i + j = 6$. Let $k = 4$. Compute $k! \cdot S(n, k)$, where $S(n, k)$ denotes the Stirling number of the second kind.
240
graphs = [ Graph( let={ "n": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=Eq(Sum(Var("i"), Var("j")), Const(6)), domain=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(6)), right=IntegerRange(start=Const(1), end=Const(6))))), "k": Con...
COMB
null
COUNT
sympy
COUNT_SUM_EQUALS
[ "COUNT_SUM_EQUALS" ]
75ab0f
comb_count_surjections_v1
null
4
0
[ "COUNT_SUM_EQUALS" ]
1
0.015
2026-02-08T04:32:24.693431Z
{ "verified": true, "answer": 240, "timestamp": "2026-02-08T04:32:24.708543Z" }
daa3ab
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 195, "completion_tokens": 655 }, "timestamp": "2026-02-24T00:56:45.748Z", "answer": 240 }, { "id"...
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": -7.18, "mid": -4.99, "hi": -3 }
6aa513
antilemma_v8_lucas_124444284_494
Let $m = 49151$. A pair of positive integers $(p, q)$ is called reduced if $p < q$, $\gcd(p, q) = 1$, and $p \cdot q = 108$. Let $n$ be the number of such reduced pairs. Let $x$ be the number of nonnegative integers $j$ such that $0 \leq j \leq 49151$ and \[ \binom{49151}{j} \equiv \phi(1) \pmod{n}, \] where $\phi$ de...
32,768
graphs = [ Graph( let={ "_m": Const(49151), "_n": CountOverSet(set=SolutionsSet(var=Var("p"), condition=And(IsPositive(arg=Var(name='p')), Exists(var=Var(name='q'), condition=And(Eq(left=Mul(Var(name='p'), Var(name='q')), right=Const(value=108)), Eq(left=GCD(a=Var(name='p'), b=Var(na...
NT
COMB
COMPUTE
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS/V8", "ONE_PHI_1", "V8" ]
5f4336
antilemma_v8_lucas
null
7
0
[ "COPRIME_PAIRS", "ONE_PHI_1", "V8" ]
3
0.004
2026-02-08T03:19:55.274571Z
{ "verified": true, "answer": 32768, "timestamp": "2026-02-08T03:19:55.278191Z" }
9ae542
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 247, "completion_tokens": 2008 }, "timestamp": "2026-02-09T18:23:10.209Z", "answer": 32768 }, { "...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "ONE_PHI_1", "status": "ok" },...
{ "lo": -6.51, "mid": -0.31, "hi": 5.43 }
a482e0
modular_modexp_compute_v1_601307018_2267
Let $N$ be the number of positive integers $t$ such that there exist integers $c, b$ with $1 \leq c \leq 2$, $1 \leq b \leq 9$, $t = 21c + 6b$, $27 \leq t \leq 96$. Let $M$ be the largest prime $n$ with $2 \leq n \leq N$. Let $e$ be the minimum value of $x + y$ over all ordered pairs $(x, y)$ of positive integers with ...
27,673
graphs = [ Graph( let={ "_n": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=2)), Geq(left=Var(name='b'), right=Const(value=...
NT
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM/MAX_PRIME_BELOW", "B3" ]
2a7052
modular_modexp_compute_v1
null
6
0
[ "B3", "LIN_FORM", "MAX_PRIME_BELOW" ]
3
0.007
2026-03-10T02:56:09.962748Z
{ "verified": true, "answer": 27673, "timestamp": "2026-03-10T02:56:09.969556Z" }
a68aab
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 263, "completion_tokens": 6681 }, "timestamp": "2026-03-29T04:52:34.973Z", "answer": 27673 }, { "...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok_later" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "V3", "status": "no" }, { ...
{ "lo": -2.46, "mid": 1.23, "hi": 4.93 }
e7cb19
comb_count_permutations_fixed_v1_784195855_4634
Let $S$ be the set of all positive integers $p$ for which there exists a positive integer $q$ such that $pq = 54$, $\gcd(p, q) = 1$, and $p < q$. Let $L$ be the number of elements in $S$. Define $n$ to be the largest prime number satisfying $L \leq n \leq 11$. Let $k$ be the largest prime number not exceeding 10. Compu...
2,970
graphs = [ Graph( let={ "_n": Const(11), "n": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), CountOverSet(set=SolutionsSet(var=Var("p"), condition=And(IsPositive(arg=Var(name='p')), Exists(var=Var(name='q'), condition=And(Eq(left=Mul(Var(name='p'), Var(name='q'...
NT
COMB
COUNT
sympy
MIN_PRIME_FACTOR
[ "COPRIME_PAIRS/MAX_PRIME_BELOW" ]
2248fc
comb_count_permutations_fixed_v1
null
6
0
[ "COPRIME_PAIRS", "MAX_PRIME_BELOW", "MIN_PRIME_FACTOR" ]
3
0.015
2026-02-08T07:13:34.924900Z
{ "verified": true, "answer": 2970, "timestamp": "2026-02-08T07:13:34.939728Z" }
9fea1e
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 175, "completion_tokens": 1737 }, "timestamp": "2026-02-13T08:59:25.540Z", "answer": 2970 }, {...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok_later" }, { "lemma": "POLY_PADIC_VAL_CONS...
{ "lo": -5.55, "mid": -3.01, "hi": 0.32 }
a71b69
comb_count_partitions_v1_1915831931_3081
Let $n = 38$ and let $\text{result} = p(n)$, the number of integer partitions of $n$. Let $\pi$ be the number of prime numbers $p$ such that $2 \leq p \leq 2143$. Let $Q$ be the remainder when $\pi - \text{result}$ is divided by $95890$. Compute $Q$.
70,199
graphs = [ Graph( let={ "_n": Const(2), "n": Const(38), "result": Partition(arg=Ref(name='n')), "Q": Mod(value=Sub(CountOverSet(set=SolutionsSet(var=Var("n1"), condition=And(Geq(Var("n1"), Ref("_n")), Leq(Var("n1"), Const(2143)), IsPrime(Var("n1"))))), Ref("re...
NT
COMB
COUNT
sympy
SUM_ARITHMETIC
[ "COUNT_PRIMES" ]
ad5c3c
comb_count_partitions_v1
negation_mod
6
0
[ "COUNT_PRIMES", "SUM_ARITHMETIC" ]
2
0.027
2026-02-08T17:21:10.151508Z
{ "verified": true, "answer": 70199, "timestamp": "2026-02-08T17:21:10.178198Z" }
11f920
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": 1196 }, "timestamp": "2026-02-18T01:08:23.153Z", "answer": 70199 }, ...
1
[ { "lemma": "COUNT_PRIMES", "status": "ok" }, { "lemma": "DS2", "status": "no" }, { "lemma": "V3", "status": "no" }, { "lemma": "V5", "status": "no" }, { "lemma": "V8_SUM", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
5848c9
geo_visible_lattice_v1_1520064083_3995
Let $n = 100$. Define $R$ to be the number of ordered pairs $(x, y)$ of positive integers such that $1 \leq x, y \leq n$ and $\gcd(x, y) = 1$. Compute the remainder when $34054 \cdot R$ is divided by $88707$.
67,146
graphs = [ Graph( let={ "n": Const(100), "result": VisibleLatticePoints(n=Ref(name='n')), "Q": Mod(value=Mul(Const(34054), Ref("result")), modulus=Const(88707)), }, goal=Ref("Q"), ) ]
GEOM
null
COUNT
sympy
[]
geo_visible_lattice_v1
null
6
0
null
null
0.216
2026-02-08T06:00:52.694947Z
{ "verified": true, "answer": 67146, "timestamp": "2026-02-08T06:00:52.910910Z" }
576056
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 182, "completion_tokens": 3207 }, "timestamp": "2026-02-24T05:06:44.254Z", "answer": 67146 }, { "...
1
[]
{ "lo": 1.97, "mid": 4.36, "hi": 6.69 }
791c93
nt_count_divisors_in_range_v1_1742523217_3031
Let $n = 166320$. Define $S$ as the set of all positive integers $p$ such that there exists a positive integer $q$ satisfying $pq = 205800$, $\gcd(p, q) = 1$, and $p < q$. Let $a = |S|$. Compute the number of positive divisors $d$ of $n$ such that $a \leq d \leq 55442$.
151
graphs = [ Graph( let={ "n": Const(166320), "a": 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=205800)), Eq(left=GCD(a=Var(name='p'), b=Var(...
NT
null
COUNT
sympy
MAX_PRIME_BELOW
[ "COPRIME_PAIRS" ]
2bb3aa
nt_count_divisors_in_range_v1
null
6
0
[ "COPRIME_PAIRS", "MAX_PRIME_BELOW" ]
2
1.005
2026-02-08T05:30:20.403089Z
{ "verified": true, "answer": 151, "timestamp": "2026-02-08T05:30:21.407649Z" }
3d87ea
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": 3276 }, "timestamp": "2026-02-12T11:43:39.777Z", "answer": 151 }, { ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "K14", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" } ]
{ "lo": -3.51, "mid": 1.33, "hi": 6.56 }
27cfed
comb_count_permutations_fixed_v1_2051736721_5458
Let $n = 9$ and let $k$ be the largest prime number satisfying $2 \leq k \leq 3$. Compute the value of $$ \binom{n}{k} \cdot !(n - k), $$ where $!m$ denotes the number of derangements of $m$ elements.
22,260
graphs = [ Graph( let={ "_n": Const(2), "n": Const(9), "k": MaxOverSet(set=SolutionsSet(var=Var("n1"), condition=And(Geq(Var("n1"), Ref("_n")), Leq(Var("n1"), Const(3)), IsPrime(Var("n1"))))), "result": Mul(Binom(n=Ref("n"), k=Ref("k")), Subfactorial(arg=Sub(l...
NT
COMB
COUNT
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW" ]
dc3ad3
comb_count_permutations_fixed_v1
null
4
0
[ "MAX_PRIME_BELOW" ]
1
0.002
2026-02-08T18:36:33.137761Z
{ "verified": true, "answer": 22260, "timestamp": "2026-02-08T18:36:33.139559Z" }
6efd67
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 113, "completion_tokens": 778 }, "timestamp": "2026-02-18T18:19:34.824Z", "answer": 22260 }, {...
1
[ { "lemma": "K18", "status": "no" }, { "lemma": "K5", "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 }
fdfc1a
geo_count_lattice_triangle_v1_1520064083_7718
Let $A$ be the area of the triangle with vertices at $(0, 0)$, $(180, 111)$, and $(300, 289)$, multiplied by 2. Compute $A$ as \[ A = \left| 180 \cdot 289 - 111 \cdot \sum_{k=1}^{24} \varphi(k) \left\lfloor \frac{24}{k} \right\rfloor \right|. \] Let $B$ be the number of lattice points on the boundary of this triangle, ...
60,192
graphs = [ Graph( let={ "_m": Const(180), "_n": Const(111), "area_2x": Abs(arg=Sum(Mul(Const(value=180), Const(value=289)), Mul(Summation(expr=Mul(EulerPhi(n=Var(name='k')), Floor(arg=Div(left=Const(value=24), right=Var(name='k')))), var='k', start=Const(value=1), end=Con...
NT
null
COUNT
sympy
B1
[ "B1", "K2" ]
492c3e
geo_count_lattice_triangle_v1
negation_mod
6
0
[ "B1", "K2" ]
2
0.011
2026-02-08T09:16:21.825806Z
{ "verified": true, "answer": 60192, "timestamp": "2026-02-08T09:16:21.836678Z" }
6c7b7d
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 291, "completion_tokens": 1239 }, "timestamp": "2026-02-14T02:12:34.938Z", "answer": 60192 }, ...
1
[ { "lemma": "B1", "status": "ok" }, { "lemma": "K14", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "L3b", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MAX_PRIME...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
e91298
nt_sum_divisors_mod_v1_677425708_1639
Let $S$ be the set of all ordered pairs $(x, y)$ of positive integers such that $xy = 176400$. Let $T$ be the set of all positive integers $n$ such that $1 \le n \le \min\{x + y : (x, y) \in S\}$ and $n \equiv \left\lfloor \frac{n}{2} \right\rfloor \pmod{7}$. Let $n$ be the number of elements in $T$. Let $\sigma$ be th...
360
graphs = [ Graph( let={ "n": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("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(Va...
NT
null
COMPUTE
sympy
B3
[ "B3/L3C" ]
345f3b
nt_sum_divisors_mod_v1
null
7
0
[ "B3", "L3C" ]
2
0.008
2026-02-08T04:21:10.388316Z
{ "verified": true, "answer": 360, "timestamp": "2026-02-08T04:21:10.396386Z" }
149991
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 252, "completion_tokens": 2597 }, "timestamp": "2026-02-09T22:44:00.551Z", "answer": 360 }, { "id...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "L3C", "status": "ok_later" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "V8_SUM", "status": "no" ...
{ "lo": -3.46, "mid": 1.03, "hi": 5.49 }
767a38
comb_sum_binomial_row_v1_1918700295_2997
Let $n = 14$ and let $r = \left( \sum_{d \mid 2} \phi(d) \right)^n$, where $\phi$ denotes Euler's totient function. Compute the remainder when $62298 \cdot r$ is divided by $71165$.
42,002
graphs = [ Graph( let={ "_n": Const(71165), "n": Const(14), "result": Pow(SumOverDivisors(n=Const(value=2), var='d', expr=EulerPhi(n=Var(name='d'))), Ref("n")), "Q": Mod(value=Mul(Const(62298), Ref("result")), modulus=Ref("_n")), }, goal=Ref("Q...
NT
null
SUM
sympy
K3
[ "K3" ]
54c41e
comb_sum_binomial_row_v1
null
3
0
[ "K3" ]
1
0.001
2026-02-08T08:20:59.461819Z
{ "verified": true, "answer": 42002, "timestamp": "2026-02-08T08:20:59.462777Z" }
789fbb
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 108, "completion_tokens": 1480 }, "timestamp": "2026-02-13T17:44:47.837Z", "answer": 42002 }, ...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K3", "status": "ok" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "V3", "status": "no" }, { "lemma": "V5", "status": "no" } ]
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
b3ad73
nt_count_coprime_v1_124444284_9491
Let $k$ be the number of nonnegative integers $j$ with $0 \le j \le 16451$ such that $\binom{16451}{j}$ is odd. Determine the number of positive integers $n$ with $1 \le n \le 18225$ that are relatively prime to $k$.
9,113
graphs = [ Graph( let={ "upper": Const(18225), "k": CountOverSet(set=SolutionsSet(var=Var("j"), condition=And(Geq(Var("j"), Const(0)), Leq(Var("j"), Const(16451)), Eq(Mod(value=Binom(n=Const(16451), k=Var("j")), modulus=Const(2)), Const(1))), domain='nonnegative_integers')), ...
NT
null
COUNT
sympy
V8
[ "V8" ]
86348e
nt_count_coprime_v1
null
7
0
[ "V8" ]
1
1.748
2026-02-08T12:32:03.471109Z
{ "verified": true, "answer": 9113, "timestamp": "2026-02-08T12:32:05.218896Z" }
37c156
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 115, "completion_tokens": 1227 }, "timestamp": "2026-02-15T01:46:33.477Z", "answer": 9113 }, {...
1
[ { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "V8", "status": "ok" } ]
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
23ba97
diophantine_fbi2_count_v1_1978505735_7486
Let $ k $ be the number of positive integers $ t $ for which there exist positive integers $ a $ and $ b $ such that $ 1 \leq a \leq 48 $, $ 1 \leq b \leq 51 $, $ 10 \leq t \leq 501 $, and $ t = 3a + 7b $. Let $ r $ be the number of integers $ d $ such that $ 3 \leq d \leq 202 $, $ d $ divides $ k $, and $ 2 \leq \frac...
18,729
graphs = [ Graph( let={ "_n": Const(202), "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=48)), Geq(left=Var...
NT
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
diophantine_fbi2_count_v1
null
6
0
[ "LIN_FORM" ]
1
0.014
2026-02-08T20:17:25.930252Z
{ "verified": true, "answer": 18729, "timestamp": "2026-02-08T20:17:25.944407Z" }
ac02bd
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 284, "completion_tokens": 7828 }, "timestamp": "2026-02-19T00:17:41.877Z", "answer": 18729 }, ...
1
[ { "lemma": "DS2", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
977a0c
comb_binomial_compute_v1_784195855_3851
Let $m = 2$. Define $T$ as the set of all ordered pairs $(x, y)$ of positive integers such that $xy = 64$. Let $s$ be the minimum value of $x + y$ as $(x, y)$ ranges over $T$. Let $n$ be the largest prime number $n$ such that $m \leq n \leq s$. Let $k = 6$, and define $r = \binom{n}{k}$. Define $U$ as the set of all or...
41,802
graphs = [ Graph( let={ "_m": Const(2), "_n": Const(97191), "n": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Ref("_m")), Leq(Var("n"), MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(a...
NT
null
COMPUTE
sympy
B3
[ "B3/MAX_PRIME_BELOW", "B3" ]
fd33c1
comb_binomial_compute_v1
affine_mod
5
0
[ "B3", "MAX_PRIME_BELOW" ]
2
0.003
2026-02-08T06:40:20.044448Z
{ "verified": true, "answer": 41802, "timestamp": "2026-02-08T06:40:20.047639Z" }
f95af2
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 225, "completion_tokens": 1311 }, "timestamp": "2026-02-13T03:05:25.947Z", "answer": 41802 }, ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok_later" }, { "lemma": "MOD_SUB", "status":...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
a6cf8e
nt_count_with_divisor_count_v1_784195855_2542
Let $r$ be the number of positive integers $n \leq 6000$ that have exactly 3 positive divisors. Let $s$ be the number of positive integers $n \leq 96$ such that $8$ divides the $n$-th Fibonacci number. Compute the value of $$ r + 2^{r \bmod s} \bmod 74039.$$ (Note: The Fibonacci sequence is defined by $F_1 = F_2 = 1$ a...
53
graphs = [ Graph( let={ "_n": Const(8), "upper": Const(6000), "div_count": Const(3), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("upper")), Eq(NumDivisors(n=Var("n")), Ref("div_count"))))), ...
NT
null
COUNT
sympy
COUNT_FIB_DIVISIBLE
[ "COUNT_FIB_DIVISIBLE" ]
5f885f
nt_count_with_divisor_count_v1
mod_exp
5
0
[ "COUNT_FIB_DIVISIBLE" ]
1
0.259
2026-02-08T05:50:49.739345Z
{ "verified": true, "answer": 53, "timestamp": "2026-02-08T05:50:49.998515Z" }
6eaad2
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": 1609 }, "timestamp": "2026-02-12T14:49:32.487Z", "answer": 53 }, { ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "ok" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "V5", "status": "no" }, { "lemma": "V8", "status": "no" } ]
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
c22d7e
lin_form_endings_v1_1520064083_314
Let $a = 16$ and $b = 40$. Let $A = 48$ and $B = 27$. Define $g = \gcd(a, b)$. Let $a' = \left\lfloor \frac{a}{g} \right\rfloor$ and $b' = \left\lfloor \frac{b}{g} \right\rfloor$. Define $T$ to be the quantity $$ T = a' \cdot A + b' \cdot B - a' \cdot b'. $$ Define $S$ to be the quantity $$ S = a \cdot A + b \cdot B - ...
1,572
graphs = [ Graph( let={ "a_coeff": Const(16), "b_coeff": Const(40), "A_val": Const(48), "B_val": Const(27), "g_step": GCD(a=Ref("a_coeff"), b=Ref("b_coeff")), "ap_node": Floor(Div(Ref("a_coeff"), Ref("g_step"))), "bp_node": ...
COMB
NT
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
lin_form_endings_v1
null
6
null
[ "LIN_FORM" ]
1
0.003
2026-02-08T03:14:37.617379Z
{ "verified": true, "answer": 1572, "timestamp": "2026-02-08T03:14:37.620119Z" }
4a5834
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 272, "completion_tokens": 434 }, "timestamp": "2026-02-10T13:37:10.191Z", "answer": 1572 }, { "id...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "st...
{ "lo": -7.01, "mid": -4.68, "hi": -2.15 }
e79cd3
comb_binomial_compute_v1_601307018_3570
Find the number of ordered pairs $(a, b)$ of positive integers with $1 \leq a \leq b \leq 25$ such that $2a^2 - 4ab + 2b^2 = 338$. Let $n$ be this number. Compute $\binom{n}{6}$.
924
graphs = [ Graph( let={ "_n": Const(25), "n": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), Ref("_n")), Geq(Var("b"), Const(1)), Leq(Var("b"), Const(25)), Leq(Var("a"), Var("b")), Eq(Sum(Mul(Const(-4), Var...
COMB
null
COMPUTE
sympy
QF_PSD_ORBIT
[ "QF_PSD_ORBIT" ]
1d37f3
comb_binomial_compute_v1
null
4
0
[ "QF_PSD_ORBIT" ]
1
0.003
2026-03-10T04:09:58.599116Z
{ "verified": true, "answer": 924, "timestamp": "2026-03-10T04:09:58.602173Z" }
9c38e6
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 180, "completion_tokens": 512 }, "timestamp": "2026-03-29T09:07:13.753Z", "answer": 924 }, { "id"...
2
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "QF_PSD_ORBIT", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no...
{ "lo": -10, "mid": -6.41, "hi": -2.82 }
0798e8
diophantine_fbi2_count_v1_784195855_6314
Let $k = 180$ and $n = 4$. Consider the set of all positive integers $d$ such that $3 \leq d \leq 62$, $d$ divides $k$, and $\frac{k}{d}$ is an integer satisfying $4 \leq \frac{k}{d} \leq 63$. Determine the value of the number of elements in this set.
13
graphs = [ Graph( let={ "_n": Const(4), "k": Const(180), "result": CountOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(3)), Leq(Var("d"), Const(62)), Divides(divisor=Var("d"), dividend=Ref("k")), Geq(Div(Ref("k"), Var("d")), Ref("_n")), Leq(Div(R...
NT
null
COUNT
sympy
K13
[ "COPRIME_PAIRS" ]
2bb3aa
diophantine_fbi2_count_v1
null
3
0
[ "COPRIME_PAIRS", "K13" ]
2
0.093
2026-02-08T08:34:42.246151Z
{ "verified": true, "answer": 13, "timestamp": "2026-02-08T08:34:42.339215Z" }
da7e95
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 144, "completion_tokens": 671 }, "timestamp": "2026-02-15T20:16:08.580Z", "answer": 13 }, { "id": 11, ...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "V8", "status": "...
{ "lo": -7.01, "mid": -4.68, "hi": -2.15 }
4e97f1
nt_max_prime_below_v1_1526740231_128
Let $S$ be the set of all positive integers $p$ such that there exists a positive integer $q$ satisfying $pq = 24$, $\gcd(p, q) = 1$, and $p < q$. Let $L$ be the number of elements in $S$. Determine the largest prime number $n$ such that $L \le n \le 65536$.
65,521
graphs = [ Graph( let={ "upper": Const(65536), "result": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), CountOverSet(set=SolutionsSet(var=Var("p"), condition=And(IsPositive(arg=Var(name='p')), Exists(var=Var(name='q'), condition=And(Eq(left=Mul(Var(name='p'), V...
NT
null
EXTREMUM
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS" ]
2bb3aa
nt_max_prime_below_v1
null
4
0
[ "COPRIME_PAIRS" ]
1
1.823
2026-02-08T11:22:00.871304Z
{ "verified": true, "answer": 65521, "timestamp": "2026-02-08T11:22:02.694600Z" }
79babf
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 128, "completion_tokens": 1252 }, "timestamp": "2026-02-14T12:45:01.076Z", "answer": 65521 }, ...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "K17", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -6.96, "mid": -4.56, "hi": -1.46 }
31a731
alg_poly_preperiod_count_v1_1218484723_4438
Define sequences modulo $29$: $N = (a^2 + a - 1) \bmod 29$, $M = (N^2 + N - 1) \bmod 29$, $R = (M^2 + M - 1) \bmod 29$, $S = (R^2 + R - 1) \bmod 29$, $T = (S^2 + S - 1) \bmod 29$. Find the number of non-negative integers $a$ with $0 \le a \le 811$ such that $T = M$, $R \ne M$, and $S \ne M$.
196
graphs = [ Graph( let={ "p1": Mod(value=Sum(Pow(Var("a"), Const(2)), Var("a"), Const(-1)), modulus=Const(29)), "p2": Mod(value=Sum(Pow(Ref("p1"), Const(2)), Ref("p1"), Const(-1)), modulus=Const(29)), "p3": Mod(value=Sum(Pow(Ref("p2"), Const(2)), Ref("p2"), Const(-1)), mod...
ALG
null
COUNT
sympy
POLY_ORBIT_COUNT
[ "POLY_ORBIT_COUNT" ]
4ad965
alg_poly_preperiod_count_v1
null
5
null
[ "POLY_ORBIT_COUNT" ]
1
0.03
2026-02-25T06:04:43.713408Z
{ "verified": true, "answer": 196, "timestamp": "2026-02-25T06:04:43.743781Z" }
fc75ab
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 252, "completion_tokens": 16055 }, "timestamp": "2026-03-29T15:44:32.244Z", "answer": 196 }, { "i...
1
[ { "lemma": "POLY_ORBIT_COUNT", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": -2.45, "mid": 1.37, "hi": 5.29 }
80263e
nt_count_divisible_v1_151522320_2286
Let $T$ be the set of all integers $t$ such that $21 \leq t \leq 102$ and there exist positive integers $a \leq 6$, $b \leq 4$ for which $t = 9a + 12b$. Let $d$ be the number of elements in $T$. Compute the number of positive integers $n$ such that $1 \leq n \leq 72900$ and $n$ is divisible by $d$.
3,313
graphs = [ Graph( let={ "upper": Const(72900), "divisor": 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)), Ge...
NT
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
nt_count_divisible_v1
null
4
0
[ "LIN_FORM" ]
1
2.313
2026-02-08T04:43:19.112091Z
{ "verified": true, "answer": 3313, "timestamp": "2026-02-08T04:43:21.425558Z" }
94d3a9
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 220, "completion_tokens": 1128 }, "timestamp": "2026-02-11T21:48:37.011Z", "answer": 3313 }, { "...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V8_SUM", "status": "no" }...
{ "lo": -3.42, "mid": 1.86, "hi": 7.55 }
cdddba
comb_count_derangements_v1_2051736721_184
Let $n$ be the number of nonnegative integers $j \leq 1092$ for which $\binom{1092}{j}$ is odd. Compute the remainder when $99083$ times the subfactorial of $n$ is divided by $96654$.
74,069
graphs = [ Graph( let={ "_n": Const(1092), "n": CountOverSet(set=SolutionsSet(var=Var("j"), condition=And(Geq(Var("j"), Const(0)), Leq(Var("j"), Ref("_n")), Eq(Mod(value=Binom(n=Const(1092), k=Var("j")), modulus=Const(2)), Const(1))), domain='nonnegative_integers')), "res...
COMB
null
COUNT
sympy
V8
[ "V8" ]
86348e
comb_count_derangements_v1
null
6
0
[ "V8" ]
1
0.003
2026-02-08T15:17:33.443618Z
{ "verified": true, "answer": 74069, "timestamp": "2026-02-08T15:17:33.447049Z" }
1dbbcf
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": 3065 }, "timestamp": "2026-02-24T20:16:36.312Z", "answer": 74069 }, { "...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "ok" } ]
{ "lo": -2.43, "mid": 1.2, "hi": 4.84 }
17a96c
comb_count_permutations_fixed_v1_655260480_735
Let $n = 7$ and $k = 2$. Define $\mathcal{S}$ as the set of all ordered pairs $(x, y)$ of positive integers such that $x + y = 6$. Let $P$ be the maximum value of $xy$ as $(x, y)$ ranges over $\mathcal{S}$. Define $T$ as the set of all positive integers $n_1$ such that $1 \leq n_1 \leq 924$ and $P$ divides $F_{n_1}$, w...
95,102
graphs = [ Graph( let={ "_n": Const(924), "n": Const(7), "k": Const(2), "result": Mul(Binom(n=Ref("n"), k=Ref("k")), Subfactorial(arg=Sub(left=Ref(name='n'), right=Ref(name='k')))), "Q": Mod(value=Sub(CountOverSet(set=SolutionsSet(var=Var("n1"), co...
NT
COMB
COUNT
sympy
B1
[ "B1/COUNT_FIB_DIVISIBLE" ]
bfd4a3
comb_count_permutations_fixed_v1
negation_mod
6
0
[ "B1", "COUNT_FIB_DIVISIBLE" ]
2
0.006
2026-02-08T15:33:11.998198Z
{ "verified": true, "answer": 95102, "timestamp": "2026-02-08T15:33:12.003886Z" }
e63710
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 238, "completion_tokens": 1801 }, "timestamp": "2026-02-16T08:36:23.190Z", "answer": 95102 }, ...
1
[ { "lemma": "B1", "status": "ok" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "ok_later" }, { "lemma": "K15", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "V3", "status": ...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
e6d10f
comb_factorial_compute_v1_1218484723_1073
Let $n$ be the number of ordered pairs $(a, b)$ of positive integers with $1 \le a, b \le 25$ such that $$ 144a^2b + \left|\left\{ v : 25 \le v \le 4789,\ \exists\text{ integers }a,b\text{ with }1 \le a \le 11,\ 1 \le b \le 11\text{ such that }4b^2 - 16ab + 41a^2 = v \right\}\right| \cdot ab^2 + 27b^3 + 64a^3 = 571787....
5,040
graphs = [ Graph( let={ "_m": Const(27), "_n": Const(3), "n": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), Const(25)), Geq(Var("b"), Const(1)), Leq(Var("b"), Const(25)), Eq(Sum(Mul(Const(144),...
COMB
null
COMPUTE
sympy
QF_PSD_DISTINCT
[ "QF_PSD_DISTINCT/POLY3_COUNT" ]
5dc0d1
comb_factorial_compute_v1
null
6
0
[ "POLY3_COUNT", "QF_PSD_DISTINCT" ]
2
0.005
2026-02-25T02:46:47.262443Z
{ "verified": true, "answer": 5040, "timestamp": "2026-02-25T02:46:47.267026Z" }
d628be
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 266, "completion_tokens": 22838 }, "timestamp": "2026-03-10T05:16:12.587Z", "answer": 1 }, { "...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "POLY3_COUNT", "status": "ok_later" }, { "lemma": "QF_PSD_DISTINCT", "status": "ok" }, { "lemma": "V7", ...
{ "lo": 3.81, "mid": 5.7, "hi": 7.82 }
17bed8_n
comb_count_partitions_v1_1419126231_761
A composer writes a piece of music with $n$ measures, where $n$ is the sum of the integers from $1$ to $9$. Each measure can be partitioned into beats in various ways, and the total number of distinct rhythmic structures (regardless of order) is given by the partition function $p(n)$. Let $M = p(n)$. Compute the remain...
170
COMB
null
COUNT
sympy
SUM_ARITHMETIC
[ "SUM_ARITHMETIC" ]
eb34f0
comb_count_partitions_v1
null
2
null
[ "SUM_ARITHMETIC" ]
1
0.002
2026-02-25T10:15:39.679332Z
null
01f3e5
17bed8
narrative
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 205, "completion_tokens": 3307 }, "timestamp": "2026-03-31T03:54:10.622Z", "answer": 7008 }, { ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "SUM_ARITHMETIC", "status": "ok" }, { "lemma": "V7", ...
{ "lo": 1.5, "mid": 4.69, "hi": 7.23 }
d0249d
antilemma_k2_v1_1520064083_9284
Let $n = 221$. Compute $$ \sum_{k=1}^{\sum_{d \mid 221} \phi(d)} \phi(k) \left\lfloor \frac{221}{k} \right\rfloor. $$
24,531
graphs = [ Graph( let={ "_n": Const(221), "x": Summation(var="k", start=Const(1), end=SumOverDivisors(n=Const(value=221), var='d', expr=EulerPhi(n=Var(name='d'))), expr=Mul(EulerPhi(n=Var("k")), Floor(Div(Ref("_n"), Var("k"))))), }, goal=Ref("x"), ) ]
NT
COMB
COMPUTE
sympy
K3
[ "K3/K2", "K2" ]
c7f244
antilemma_k2_v1
null
4
0
[ "K2", "K3" ]
2
0.001
2026-02-08T10:40:07.066089Z
{ "verified": true, "answer": 24531, "timestamp": "2026-02-08T10:40:07.067343Z" }
8c90af
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 96, "completion_tokens": 926 }, "timestamp": "2026-02-14T08:01:23.625Z", "answer": 24531 }, { ...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "K3", "status": "ok" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { ...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
6f58b4
antilemma_sum_equals_v1_1978505735_1439
Let $c = 634$ and $m = 5003$. Let $n$ be the number of ordered pairs $(x_1, x_2)$ of positive odd integers such that $x_1 + x_2 = 164$. Let $x$ be the number of ordered pairs $(i, j)$ with $1 \leq i \leq 80$ and $1 \leq j \leq 81$ such that $i + j = n$. Let $s$ be the number of ordered pairs $(x_{11}, x_{21})$ of posit...
26,130
graphs = [ Graph( let={ "_c": Const(634), "_m": Const(5003), "_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')),...
COMB
GEOM
COMPUTE
sympy
COMB1
[ "COMB1/COUNT_SUM_EQUALS", "COMB1", "COUNT_SUM_EQUALS" ]
02c13a
antilemma_sum_equals_v1
two_moduli
5
0
[ "COMB1", "COUNT_SUM_EQUALS" ]
2
0.007
2026-02-08T16:09:04.152787Z
{ "verified": true, "answer": 26130, "timestamp": "2026-02-08T16:09:04.159547Z" }
36d36f
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 297, "completion_tokens": 1886 }, "timestamp": "2026-02-24T20:03:28.672Z", "answer": 26130 }, { ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COMB1", "status": "ok" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" }, { ...
{ "lo": -4.1, "mid": -1.76, "hi": 1.3 }
30019e
nt_count_intersection_v1_898971024_2006
Let $N = 50000$. Consider the set of all positive integers $n$ such that $1 \le n \le N$, $7$ divides $n$, and $\gcd(n, 6) = 1$. Let $A$ be the number of elements in this set. Let $B$ be the maximum prime number less than or equal to $1010$. Compute the value of $(A \bmod 293) + B \cdot (A \bmod 337)$.
22,235
graphs = [ Graph( let={ "_n": Const(2), "N": Const(50000), "a": Const(7), "b": Const(6), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("N")), Divides(divisor=Ref("a"), dividend=Var("n...
NT
null
COUNT
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW" ]
08a653
nt_count_intersection_v1
two_moduli
4
0
[ "MAX_PRIME_BELOW" ]
1
5.392
2026-02-08T16:28:49.749682Z
{ "verified": true, "answer": 22235, "timestamp": "2026-02-08T16:28:55.141278Z" }
6d48af
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 150, "completion_tokens": 1544 }, "timestamp": "2026-02-17T04:21:29.400Z", "answer": 22235 }, ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
c9e61e
nt_euler_phi_compute_v1_1353956133_590
Let $n = 80089$. Define $\phi(n)$ to be the number of positive integers less than or equal to $n$ that are relatively prime to $n$. Compute the remainder when $$\phi(n)^2 + \phi(n) + \sum_{d\mid 20} \phi(d)$$ is divided by $86386$.
10,454
graphs = [ Graph( let={ "n": Const(80089), "result": EulerPhi(n=Ref("n")), "Q": Mod(value=Sum(Pow(Ref("result"), Const(2)), Mul(Const(1), Ref("result")), SumOverDivisors(n=Const(value=20), var='d', expr=EulerPhi(n=Var(name='d')))), modulus=Const(86386)), }, ...
NT
null
COMPUTE
sympy
K3
[ "K3" ]
373090
nt_euler_phi_compute_v1
quadratic_mod
4
0
[ "K3" ]
1
0.002
2026-02-08T11:33:41.278844Z
{ "verified": true, "answer": 10454, "timestamp": "2026-02-08T11:33:41.280613Z" }
c74117
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 118, "completion_tokens": 1220 }, "timestamp": "2026-02-14T17:50:36.630Z", "answer": 10454 }, ...
1
[ { "lemma": "K3", "status": "ok" }, { "lemma": "K5", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "V5", "status": "no" }, { "lemma": "V8", "status": "no" } ]
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
2232ea
comb_count_partitions_v1_48377204_2042
Let $n$ be the number of positive integers $k$ such that $1 \leq k \leq 572$ and $13$ divides $k$. Let $p(n)$ denote the number of integer partitions of $n$. Find the value of $p(n)$.
75,175
graphs = [ Graph( let={ "_n": Const(13), "n": CountOverSet(set=SolutionsSet(var=Var("k"), condition=And(Geq(Var("k"), Const(1)), Leq(Var("k"), Const(572)), Divides(divisor=Ref("_n"), dividend=Var("k"))), domain='positive_integers')), "result": Partition(arg=Ref(name='n'))...
NT
COMB
COUNT
sympy
C2
[ "C2" ]
9685eb
comb_count_partitions_v1
null
4
0
[ "C2" ]
1
0.002
2026-02-08T16:34:05.766351Z
{ "verified": true, "answer": 75175, "timestamp": "2026-02-08T16:34:05.768436Z" }
fb4979
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": 839 }, "timestamp": "2026-02-17T06:29:35.852Z", "answer": 75175 }, {...
1
[ { "lemma": "C2", "status": "ok" }, { "lemma": "K17", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "V1", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
4723a7
nt_euler_phi_compute_v1_1520064083_2079
Let $m = 12$ and $n = 5$. Define $N = 68121$ and let $r = \phi(N)$, the number of positive integers at most $N$ that are relatively prime to $N$. Let $c$ be the number of positive integers $k$ such that $1 \le k \le n$ and $\gcd(k, m) = 1$. Let $d_{\text{max}}$ be the largest positive divisor of 238 that is at most 14....
43,849
graphs = [ Graph( let={ "_m": Const(12), "_n": Const(5), "n": Const(68121), "result": EulerPhi(n=Ref("n")), "Q": Sum(Ref("result"), Mod(value=Pow(CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("...
NT
null
COMPUTE
sympy
MAX_DIVISOR
[ "MAX_DIVISOR", "C4" ]
089193
nt_euler_phi_compute_v1
mod_exp
5
0
[ "C4", "MAX_DIVISOR" ]
2
0.002
2026-02-08T04:30:33.854331Z
{ "verified": true, "answer": 43849, "timestamp": "2026-02-08T04:30:33.856651Z" }
43e0fd
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 249, "completion_tokens": 1277 }, "timestamp": "2026-02-10T16:56:05.892Z", "answer": 43849 }, { ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "C4", "status": "ok" }, { "lemma": "MAX_DIVISOR", "status": "ok" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { ...
{ "lo": -3.42, "mid": 1.86, "hi": 7.55 }
c14c91
sequence_count_fib_divisible_v1_655260480_1344
Let $N$ be the number of positive integers $n \leq 11349$ such that $9$ divides $n$ and $\gcd(n, 35) = 1$. Let $u$ be the largest positive divisor of $762065$ that is at most $N$. Determine the number of positive integers $n_1 \leq u$ such that $5$ divides the $n_1$-th Fibonacci number. Multiply this number by $80031$ ...
46,539
graphs = [ Graph( let={ "upper": MaxOverSet(set=SolutionsSet(var=Var("d1"), condition=And(Geq(Var("d1"), Const(1)), Leq(Var("d1"), CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Const(11349)), Divides(divisor=Const(9), dividend=Var("n")), Eq(GCD(...
NT
null
COUNT
sympy
C5
[ "C5/MAX_DIVISOR" ]
454bdd
sequence_count_fib_divisible_v1
null
7
0
[ "C5", "MAX_DIVISOR" ]
2
0.089
2026-02-08T16:04:14.814929Z
{ "verified": true, "answer": 46539, "timestamp": "2026-02-08T16:04:14.904228Z" }
cccb08
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 154, "completion_tokens": 2366 }, "timestamp": "2026-02-16T20:31:49.331Z", "answer": 46539 }, ...
1
[ { "lemma": "C5", "status": "ok" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MAX_DIVISOR", "status": "ok_later" }, { "lemma": "MOD_ADD", "status": "no" ...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
24bc2e
comb_count_derangements_v1_397696148_498
Let $u = \sum_{k=0}^{4} (-1)^k \binom{4}{k}$. Let $S$ be the set of all integers $t$ such that $5 \leq t \leq 12$ and there exist integers $a$ and $b$ with $1 \leq a \leq 2$, $1 \leq b \leq 3$, and $t = 3a + 2b$. Let $n_1$ be the sum of the number of elements in $S$ and $u$. Let $c = \sum_{k=0}^{n_1} (-1)^k \binom{n_1}...
1,854
graphs = [ Graph( let={ "_n": Const(7), "n2": Const(4), "u": Summation(var="k", start=Const(0), end=Ref("n2"), expr=Mul(Pow(Const(-1), Var("k")), Binom(n=Ref("n2"), k=Var("k")))), "n1": Sum(CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(n...
COMB
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM/BINOMIAL_ALTERNATING" ]
bebeab
comb_count_derangements_v1
null
6
2
[ "BINOMIAL_ALTERNATING", "LIN_FORM" ]
2
0.002
2026-02-08T11:30:53.470926Z
{ "verified": true, "answer": 1854, "timestamp": "2026-02-08T11:30:53.472801Z" }
5f9087
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 284, "completion_tokens": 1305 }, "timestamp": "2026-02-24T14:05:51.516Z", "answer": 1854 }, { "i...
1
[ { "lemma": "BINOMIAL_ALTERNATING", "status": "ok_later" }, { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma"...
{ "lo": -7.18, "mid": -5, "hi": -3.01 }
d8559e
sequence_fibonacci_compute_v1_48377204_1459
Let $S$ be the set of all ordered pairs $(x_1, y_1)$ of positive integers such that $x_1 + y_1 = 22$. Define $P$ to be the maximum value of $x_1 y_1$ over all such pairs in $S$. Let $T$ be the set of all ordered pairs $(x, y)$ of positive integers such that $xy = P$. Define $n$ to be the minimum value of $x + y$ over a...
67,712
graphs = [ Graph( let={ "_n": Const(68071), "n": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Mul(Var("x"), Var("y")), MaxOverSet(set=MapOverSet(set=SolutionsSet(var...
NT
null
COMPUTE
sympy
B1
[ "B1/B3" ]
80b49d
sequence_fibonacci_compute_v1
null
6
0
[ "B1", "B3" ]
2
0.003
2026-02-08T16:05:57.426330Z
{ "verified": true, "answer": 67712, "timestamp": "2026-02-08T16:05:57.429010Z" }
c5182d
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 231, "completion_tokens": 1909 }, "timestamp": "2026-02-16T21:10:41.169Z", "answer": 67712 }, ...
1
[ { "lemma": "B1", "status": "ok" }, { "lemma": "B3", "status": "ok_later" }, { "lemma": "L3b", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "V...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
31bb8e
geo_count_lattice_rect_v1_1116507919_277
Let $a = 435$ and $b = 142$. Define $\mathcal{R}$ to be the rectangle in the coordinate plane with vertices at $(0,0)$, $(a,0)$, $(0,b)$, and $(a,b)$. Compute the number of lattice points (points with integer coordinates) that lie inside or on the boundary of $\mathcal{R}$.
62,348
graphs = [ Graph( let={ "a": Const(435), "b": Const(142), "result": LatticePointsRect(a=Ref(name='a'), b=Ref(name='b')), }, goal=Ref("result"), ) ]
GEOM
null
COUNT
sympy
[]
geo_count_lattice_rect_v1
null
3
0
null
null
0.001
2026-02-08T02:30:17.134932Z
{ "verified": true, "answer": 62348, "timestamp": "2026-02-08T02:30:17.135607Z" }
14b1f2
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 196, "completion_tokens": 450 }, "timestamp": "2026-02-08T19:21:01.390Z", "answer": 62348 }, { "i...
1
[]
{ "lo": -3.8, "mid": -1.88, "hi": 0.06 }
dfeb77
comb_catalan_compute_v1_1520064083_5189
Let $n$ be the number of ordered pairs $(i,j)$ of positive integers such that $i + j = 11$, $1 \le i \le 10$, and $1 \le j \le 11$. Compute the $n$-th Catalan number.
16,796
graphs = [ Graph( let={ "_n": Const(11), "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(10)), right=IntegerRange(start=Const(1), end=Con...
COMB
null
COMPUTE
sympy
COUNT_SUM_EQUALS
[ "COUNT_SUM_EQUALS" ]
75ab0f
comb_catalan_compute_v1
null
4
0
[ "COUNT_SUM_EQUALS" ]
1
0.01
2026-02-08T06:40:52.503527Z
{ "verified": true, "answer": 16796, "timestamp": "2026-02-08T06:40:52.513602Z" }
5c6a97
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 169, "completion_tokens": 1243 }, "timestamp": "2026-02-24T06:48:44.434Z", "answer": 16796 }, { "...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8_SUM", "status"...
{ "lo": -4.93, "mid": -2.91, "hi": -0.71 }
a46f4f_l
modular_product_range_v1_124444284_1508
Let \[ P=\prod_{i=2}^{402} i, \] and let $r$ be the remainder when $P$ is divided by $11003$, so that $0\le r<11003$ and $r\equiv P\pmod{11003}$. Let $S$ be the set of all ordered pairs $(x,y)$ of positive integers such that $x+y=178$, and let $M$ be the maximum value of $xy$ as $(x,y)$ ranges over $S$. Define \[ Q=3...
7,924
ALG
NT
COMPUTE
sympy
B1
[ "B1" ]
b09d85
modular_product_range_v1
two_stage_modexp
8
0
[ "B1" ]
1
0.004
2026-02-08T03:57:40.971334Z
{ "verified": false, "answer": 99868, "timestamp": "2026-02-08T03:57:40.975006Z" }
5f4801
a46f4f
legacy_text
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 216, "completion_tokens": 6057 }, "timestamp": "2026-02-11T20:21:04.804Z", "answer": 7924 }, ...
0
[ { "lemma": "B1", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": 2.46, "mid": 5.21, "hi": 8.42 }
c03c88_l
antilemma_sum_equals_v1_1742523217_1191
Let $n = 100$. Let $x$ be the number of ordered pairs $(i,j)$ of positive integers such that $1 \leq i \leq 98$, $1 \leq j \leq 98$, and $i + j = n$. Compute $x + \left(2^{x \bmod 14} \bmod 86553\right)$.
99
COMB
GEOM
COMPUTE
sympy
COUNT_SUM_EQUALS
[ "COUNT_SUM_EQUALS" ]
75ab0f
antilemma_sum_equals_v1
null
3
0
[ "COUNT_SUM_EQUALS" ]
1
0.003
2026-02-08T03:31:01.342865Z
{ "verified": false, "answer": 8289, "timestamp": "2026-02-08T03:31:01.346015Z" }
b0e832
c03c88
legacy_text
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 194, "completion_tokens": 747 }, "timestamp": "2026-02-10T04:45:12.502Z", "answer": 8289 }, { "id...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "V8_SU...
{ "lo": -3.83, "mid": -1.68, "hi": 1.09 }
31e928
comb_count_permutations_fixed_v1_153355830_869
Let $n = \sum_{k=1}^{4} \phi(k) \left\lfloor \frac{4}{k} \right\rfloor$ and let $k$ be the largest prime number at most $9$. Compute $\binom{n}{k} \cdot !(n - k)$, where $!m$ denotes the number of derangements of $m$ elements.
240
graphs = [ Graph( let={ "_n": Const(9), "n": Summation(var="k", start=Const(1), end=Const(4), expr=Mul(EulerPhi(n=Var("k")), Floor(Div(Const(4), Var("k"))))), "k": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Ref("_n")), I...
NT
COMB
COUNT
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW", "K2" ]
e3ad1e
comb_count_permutations_fixed_v1
null
6
0
[ "K2", "MAX_PRIME_BELOW" ]
2
0.003
2026-02-08T04:13:10.723038Z
{ "verified": true, "answer": 240, "timestamp": "2026-02-08T04:13:10.725877Z" }
308f21
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 195, "completion_tokens": 750 }, "timestamp": "2026-02-10T16:06:32.859Z", "answer": 240 }, { "id...
2
[ { "lemma": "K13", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma"...
{ "lo": -9.14, "mid": -6.05, "hi": -3.73 }
d7e2b0
sequence_fibonacci_compute_v1_1918700295_1373
Let $N$ be the number of positive integers $n \leq 181$ such that $n \equiv \left\lfloor \frac{n}{2} \right\rfloor \pmod{7}$. Compute the $N$-th Fibonacci number.
75,025
graphs = [ Graph( let={ "_n": Const(181), "n": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("_n")), Congruent(a=Var(name='n'), b=Floor(arg=Div(left=Var(name='n'), right=Const(value=2))), modulus=Const(value=7))))), "...
NT
null
COMPUTE
sympy
L3C
[ "L3C" ]
73f8b0
sequence_fibonacci_compute_v1
null
6
0
[ "L3C" ]
1
0.001
2026-02-08T05:48:31.126368Z
{ "verified": true, "answer": 75025, "timestamp": "2026-02-08T05:48:31.127057Z" }
64c687
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 99, "completion_tokens": 3118 }, "timestamp": "2026-02-12T14:15:30.720Z", "answer": 75025 }, {...
1
[ { "lemma": "K15", "status": "no" }, { "lemma": "L3C", "status": "ok" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "V7", "status": "no" } ]
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
080bb9
geo_count_lattice_rect_v1_48377204_461
Compute the number of lattice points in the rectangle $[0, 40] \times [0, 96]$, including the boundary.
3,977
graphs = [ Graph( let={ "a": Const(40), "b": Const(96), "result": LatticePointsRect(a=Ref(name='a'), b=Ref(name='b')), }, goal=Ref("result"), ) ]
GEOM
null
COUNT
sympy
[]
geo_count_lattice_rect_v1
null
3
0
null
null
0.002
2026-02-08T15:30:07.068039Z
{ "verified": true, "answer": 3977, "timestamp": "2026-02-08T15:30:07.070531Z" }
8fb0d6
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 139, "completion_tokens": 138 }, "timestamp": "2026-02-24T21:06:14.340Z", "answer": 3977 }, { "id...
1
[]
{ "lo": -8.52, "mid": -5.43, "hi": -3.2 }
76aa91
nt_sum_divisors_range_v1_458359167_2197
Let $n = 57055$. Define $S$ as the set of all nonnegative integers $j$ such that $0 \le j \le n$ and $\binom{n}{j}$ is odd. Let $k$ be the number of elements in $S$. Compute the sum of the number of positive divisors of all positive integers from $1$ to $k$, inclusive.
75,108
graphs = [ Graph( let={ "_n": Const(57055), "upper": CountOverSet(set=SolutionsSet(var=Var("j"), condition=And(Geq(Var("j"), Const(0)), Leq(Var("j"), Ref("_n")), Eq(Mod(value=Binom(n=Const(57055), k=Var("j")), modulus=Const(2)), Const(1))), domain='nonnegative_integers')), ...
NT
null
SUM
sympy
V8
[ "V8" ]
86348e
nt_sum_divisors_range_v1
null
6
0
[ "V8" ]
1
0.282
2026-02-08T05:10:32.629228Z
{ "verified": true, "answer": 75108, "timestamp": "2026-02-08T05:10:32.910837Z" }
6b0567
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 193, "completion_tokens": 5147 }, "timestamp": "2026-02-11T23:01:25.565Z", "answer": 75108 }, { ...
1
[ { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "V8", "status": "ok" }, { "lemma": "VAL_SUM_EQ", "status"...
{ "lo": -3.42, "mid": 1.86, "hi": 7.55 }
4f381a
antilemma_k2_v1_717093673_3998
Compute the value of $$ \sum_{k=1}^{432} \phi(k) \left\lfloor \frac{432}{k} \right\rfloor, $$ where $\phi(k)$ denotes Euler's totient function. Let $x$ be this sum. Find the remainder when $81948 \cdot x$ is divided by $64615$.
59,704
graphs = [ Graph( let={ "_n": Const(432), "x": Summation(var="k", start=Const(1), end=Ref("_n"), expr=Mul(EulerPhi(n=Var("k")), Floor(Div(Const(432), Var("k"))))), "Q": Mod(value=Mul(Const(81948), Ref("x")), modulus=Const(64615)), }, goal=Ref("Q"), ) ]
NT
COMB
COMPUTE
sympy
K13
[ "K2" ]
6897ab
antilemma_k2_v1
null
5
0
[ "K13", "K2" ]
2
0.002
2026-02-08T17:59:19.090090Z
{ "verified": true, "answer": 59704, "timestamp": "2026-02-08T17:59:19.092448Z" }
8aec78
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 119, "completion_tokens": 1377 }, "timestamp": "2026-02-18T11:00:27.200Z", "answer": 59704 }, ...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "V1", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
94a548
sequence_count_fib_divisible_v1_865884756_2911
Let $d$ be the number of integers $t$ such that $10 \leq t \leq 28$ and there exist positive integers $a$ and $b$ with $1 \leq a \leq 4$, $1 \leq b \leq 2$, and $t = 4a + 6b$. Determine the number of positive integers $n$ such that $1 \leq n \leq 851$ and $d$ divides the $n$th Fibonacci number.
141
graphs = [ Graph( let={ "upper": Const(851), "d": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=4)), Geq(left=V...
NT
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
sequence_count_fib_divisible_v1
null
5
0
[ "LIN_FORM" ]
1
0.035
2026-02-08T17:00:51.381774Z
{ "verified": true, "answer": 141, "timestamp": "2026-02-08T17:00:51.417010Z" }
fcb737
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 150, "completion_tokens": 1224 }, "timestamp": "2026-02-17T17:24:35.858Z", "answer": 141 }, { ...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
a6ba1c
antilemma_k3_v1_124444284_8509
Let $n$ be a positive integer. Define $\phi(n)$ to be the number of positive integers less than or equal to $n$ that are relatively prime to $n$. Compute the sum of $\phi(d)$ over all positive divisors $d$ of $31040$.
31,040
graphs = [ Graph( let={ "x": SumOverDivisors(n=Const(value=31040), var='d', expr=EulerPhi(n=Var(name='d'))), }, goal=Ref("x"), ) ]
NT
COMB
COMPUTE
sympy
K3
[ "K3" ]
54c41e
antilemma_k3_v1
null
3
0
[ "K3" ]
1
0
2026-02-08T09:44:44.521422Z
{ "verified": true, "answer": 31040, "timestamp": "2026-02-08T09:44:44.521726Z" }
e61baf
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 104, "completion_tokens": 377 }, "timestamp": "2026-02-14T05:51:29.809Z", "answer": 31040 }, {...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "K3", "status": "ok" }, { "lemma": "L3c", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
e288ee
antilemma_k3_v1_898971024_3038
Let $x$ be the sum of $\phi(d)$ over all positive divisors $d$ of $6654$. Compute the remainder when $44121 \cdot x$ is divided by $57818$.
39,148
graphs = [ Graph( let={ "x": SumOverDivisors(n=Const(value=6654), var='d', expr=EulerPhi(n=Var(name='d'))), "Q": Mod(value=Mul(Const(44121), Ref("x")), modulus=Const(57818)), }, goal=Ref("Q"), ) ]
NT
COMB
COMPUTE
sympy
K3
[ "K3" ]
54c41e
antilemma_k3_v1
null
3
0
[ "K3" ]
1
0.001
2026-02-08T17:08:12.807832Z
{ "verified": true, "answer": 39148, "timestamp": "2026-02-08T17:08:12.808471Z" }
196ba2
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 89, "completion_tokens": 2172 }, "timestamp": "2026-02-17T19:21:44.534Z", "answer": 39148 }, {...
1
[ { "lemma": "K15", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "K3", "status": "ok" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V5", "status": "no" }, { "lemma": "V8", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
a76ac6
nt_min_coprime_above_v1_1918700295_2973
Let $S$ be the set of all prime numbers $n$ such that $2 \leq n \leq 325$. Define $m$ to be the largest element of $S$. Now, let $T$ be the set of all integers $n$ such that $55555 < n \leq 55882$ and $\gcd(n, m) = 1$. Determine the value of the smallest element of $T$.
55,556
graphs = [ Graph( let={ "start": Const(55555), "upper": Const(55882), "modulus": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Const(325)), IsPrime(Var("n"))))), "result": MinOverSet(set=SolutionsSet(var=Var("n"...
NT
null
EXTREMUM
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW" ]
dc3ad3
nt_min_coprime_above_v1
null
4
0
[ "MAX_PRIME_BELOW" ]
1
0.057
2026-02-08T08:20:32.008262Z
{ "verified": true, "answer": 55556, "timestamp": "2026-02-08T08:20:32.065431Z" }
19db67
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 136, "completion_tokens": 1139 }, "timestamp": "2026-02-13T17:20:15.552Z", "answer": 55556 }, ...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma...
{ "lo": -5.92, "mid": -3.14, "hi": 0.26 }
4bd1e0
nt_count_coprime_and_v1_124444284_1179
Let $d_0$ be the minimum value of $d$ over all integers $d \geq 2$ that divide $1773593$. Let $g = \gcd(13, d_0)$. Let $S$ be the set of all integers $n$ such that $n \geq \sum_{d \mid g} \mu(d)$, $n \leq 52200$, $\gcd(n, 5) = 1$, and $\gcd(n, 9) = 1$. Compute the number of elements in $S$.
27,840
graphs = [ Graph( let={ "upper": Const(52200), "k1": Const(5), "k2": Const(9), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), SumOverDivisors(n=GCD(a=Const(value=13), b=MinOverSet(set=SolutionsSet(var=Var(name='d'), condition...
NT
null
COUNT
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR/MOBIUS_COPRIME" ]
60ba20
nt_count_coprime_and_v1
null
6
0
[ "MIN_PRIME_FACTOR", "MOBIUS_COPRIME" ]
2
6.77
2026-02-08T03:43:28.043978Z
{ "verified": true, "answer": 27840, "timestamp": "2026-02-08T03:43:34.813582Z" }
ec6a6d
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 237, "completion_tokens": 1562 }, "timestamp": "2026-02-09T10:41:18.843Z", "answer": 27840 }, { ...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "MOBIUS_COPRIME", "status": "ok_later" }, { "lemma": "V7", ...
{ "lo": -6.49, "mid": 0.51, "hi": 7.52 }
87f0f7
diophantine_fbi2_min_v1_784195855_702
Let $k$ be the sum of all prime numbers $n$ such that $2 \leq n \leq 19$. Let $S$ be the set of all integers $d$ with $4 \leq d \leq 87$ such that $d$ divides $k$ and $\frac{k}{d} \geq 2$. Determine the value of the smallest element in $S$.
7
graphs = [ Graph( let={ "_n": Const(19), "k": SumOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Ref("_n")), IsPrime(Var("n"))))), "upper": Const(87), "result": MinOverSet(set=SolutionsSet(var=Var("d"), condition=And...
NT
null
EXTREMUM
sympy
B3
[ "SUM_PRIMES" ]
83231d
diophantine_fbi2_min_v1
null
4
0
[ "B3", "SUM_PRIMES" ]
2
0.06
2026-02-08T04:33:53.203703Z
{ "verified": true, "answer": 7, "timestamp": "2026-02-08T04:33:53.263209Z" }
310cf0
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 197, "completion_tokens": 512 }, "timestamp": "2026-02-10T17:03:51.376Z", "answer": 7 }, { "id":...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "SUM_PRIMES", "status": "ok" }, { "lemma": "V3", "status": "no" } ]
{ "lo": -7.01, "mid": -4.68, "hi": -2.15 }
0317f0
diophantine_sum_product_min_v1_898971024_2708
Let $S = 12$ and $P = 36$. Let $N$ be the set of all prime numbers $n$ such that $2 \leq n \leq 11$, and let $m$ be the largest element of $N$. Determine the value of the smallest positive integer $x$ such that $1 \leq x \leq m$ and $x(S - x) = P$.
6
graphs = [ Graph( let={ "S": Const(12), "P": Const(36), "result": MinOverSet(set=SolutionsSet(var=Var("x"), condition=And(Geq(Var("x"), Const(1)), Leq(Var("x"), MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Const(11)), IsPr...
NT
null
EXTREMUM
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW" ]
dc3ad3
diophantine_sum_product_min_v1
null
4
0
[ "MAX_PRIME_BELOW" ]
1
0.014
2026-02-08T16:55:21.241989Z
{ "verified": true, "answer": 6, "timestamp": "2026-02-08T16:55:21.255781Z" }
7142b6
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 144, "completion_tokens": 356 }, "timestamp": "2026-02-16T08:39:50.068Z", "answer": 6 }, { "id": 11, "...
2
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "VAL_SUM_EQ", ...
{ "lo": -10, "mid": -7.27, "hi": -4.54 }
bbc15d
comb_sum_binomial_mod_v1_1218484723_4850
Let $S$ be the number of ordered pairs $(a, b)$ of positive integers with $1 \le a, b \le 30$ satisfying $26a^2 + 26b^2 - 52ab = 936$. Compute $$\sum_{k=8}^{S} \binom{51}{k} \bmod 11069,$$ and then find the remainder when $86399$ times this value is divided by $86702$.
46,897
graphs = [ Graph( let={ "_n": Const(11069), "sum": Summation(var="k", start=Const(8), end=CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), Const(30)), Geq(Var("b"), Const(1)), Leq(Var("b"), Const(30)), Eq(Sum...
COMB
null
COMPUTE
sympy
QF_PSD_COUNT
[ "QF_PSD_COUNT" ]
09ce67
comb_sum_binomial_mod_v1
null
5
0
[ "QF_PSD_COUNT" ]
1
0.005
2026-02-25T06:29:03.830998Z
{ "verified": true, "answer": 46897, "timestamp": "2026-02-25T06:29:03.835933Z" }
20a1c8
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": 7467 }, "timestamp": "2026-03-29T18:02:23.597Z", "answer": 46897 }, { "...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "QF_PSD_COUNT", "status": "ok" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status": "...
{ "lo": -3.33, "mid": 1.03, "hi": 5.26 }
ce0e6c
nt_sum_divisors_mod_v1_2051736721_2930
Let $n = 20160$ and $M = 10259$. Let $\sigma$ be the sum of all positive divisors of $n$. Let $\text{result}$ be the remainder when $\sigma$ is divided by $M$. Let $c$ be the minimum value of $x + y$ over all ordered pairs $(x, y)$ of positive integers such that $xy = 6718464$. Find the remainder when $c - \text{result...
84,325
graphs = [ Graph( let={ "_n": Const(86576), "n": Const(20160), "M": Const(10259), "sigma": SumDivisors(n=Ref("n")), "result": Mod(value=Ref("sigma"), modulus=Ref("M")), "_c": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements...
NT
null
COMPUTE
sympy
B3
[ "B3" ]
fc629c
nt_sum_divisors_mod_v1
negation_mod
4
0
[ "B3" ]
1
0.004
2026-02-08T17:00:29.527886Z
{ "verified": true, "answer": 84325, "timestamp": "2026-02-08T17:00:29.532142Z" }
e55609
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": 2272 }, "timestamp": "2026-02-17T16:51:30.910Z", "answer": 84325 }, ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "V3", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
7bae8f
sequence_lucas_compute_v1_971394319_1039
Let $T$ be the set of all integers $t$ such that $12 \leq t \leq 37$ and there exist positive integers $a$ and $b$ with $1 \leq a \leq 2$, $1 \leq b \leq 10$, and $t = 7a + 2b + 3$. Let $n$ be the number of elements in $T$. Define $\text{result} = L_n$, the $n$-th Lucas number. Compute the smallest positive integer $k$...
2,460
graphs = [ Graph( let={ "n": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=2)), Geq(left=Var(name='b'), right=Const(value=1...
NT
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
sequence_lucas_compute_v1
null
5
0
[ "LIN_FORM" ]
1
0.003
2026-02-08T13:27:04.852355Z
{ "verified": true, "answer": 2460, "timestamp": "2026-02-08T13:27:04.855298Z" }
d11364
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": 2520 }, "timestamp": "2026-02-15T15:55:33.410Z", "answer": 2460 }, {...
1
[ { "lemma": "DS2", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
e227b0
comb_binomial_compute_v1_784195855_8482
Let $ d $ be the smallest integer greater than or equal to $ 2 $ that divides $ 927979 $. Compute the value of $ \binom{d}{7} $.
1,716
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(927979))))), "k": Const(7), "result": Binom(n=Ref("n"), k=Ref("k")), }, goal...
NT
null
COMPUTE
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR" ]
bc3776
comb_binomial_compute_v1
null
2
0
[ "MIN_PRIME_FACTOR" ]
1
0.001
2026-02-08T16:06:45.479838Z
{ "verified": true, "answer": 1716, "timestamp": "2026-02-08T16:06:45.480972Z" }
1eaa16
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 83, "completion_tokens": 2721 }, "timestamp": "2026-02-16T21:07:39.510Z", "answer": 1716 }, { ...
1
[ { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "V5", "status": "no"...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
934056
diophantine_product_count_v1_1918700295_382
Let $k = 480$. Let $U$ be the number of positive integers $j$ such that $1 \le j \le 427$ and $j^5 \le 14195130030907$. Define $S$ to be the set of all positive integers $x$ such that $1 \le x \le U$, $x$ divides $k$, and $\frac{k}{x} \le U$. Compute the number of elements in $S$.
22
graphs = [ Graph( let={ "k": Const(480), "upper": CountOverSet(set=SolutionsSet(var=Var("j"), condition=And(Geq(Var("j"), Const(1)), Leq(Var("j"), Const(427)), Leq(Pow(Var("j"), Const(5)), Const(14195130030907))), domain='positive_integers')), "result": CountOverSet(set=S...
NT
null
COUNT
sympy
VIETA_SUM
[ "C3" ]
8a214c
diophantine_product_count_v1
null
5
0
[ "C3", "VIETA_SUM" ]
2
0.045
2026-02-08T03:11:57.255230Z
{ "verified": true, "answer": 22, "timestamp": "2026-02-08T03:11:57.299888Z" }
a66a79
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": 2628 }, "timestamp": "2026-02-10T13:24:33.569Z", "answer": 22 }, { "id"...
1
[ { "lemma": "C3", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "V5", "status": "no" }...
{ "lo": -3.46, "mid": 1.03, "hi": 5.49 }
99537e
sequence_count_fib_divisible_v1_1918700295_101
Let $T$ be the set of all integers $t$ such that $15 \leq t \leq 428$ and there exist positive integers $a \leq 45$, $b \leq 22$ satisfying $t = 7a + 5b + 3$. Let $u = |T|$. Determine the number of positive integers $n$ with $1 \leq n \leq u$ such that the $n$th Fibonacci number is divisible by 10.
26
graphs = [ Graph( let={ "upper": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=45)), Geq(left=Var(name='b'), right=Const(va...
NT
null
COUNT
sympy
SUM_DIVISIBLE
[ "LIN_FORM" ]
7b2633
sequence_count_fib_divisible_v1
null
6
0
[ "LIN_FORM", "SUM_DIVISIBLE" ]
2
0.271
2026-02-08T03:00:14.703270Z
{ "verified": true, "answer": 26, "timestamp": "2026-02-08T03:00:14.974355Z" }
9f9909
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": 17168 }, "timestamp": "2026-02-23T20:52:13.582Z", "answer": 26 }, { "id...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V5", "status": "no" } ]
{ "lo": 1.1, "mid": 4.17, "hi": 6.61 }
c31227
alg_poly_orbit_hensel_v1_1218484723_5378
Let $N = (2a^3 + 3a) \bmod 29791$, $M = (2N^3 + 3N) \bmod 29791$, $R = (2M^3 + 3M) \bmod 29791$, and $S = (2R^3 + 3R) \bmod 29791$. Find the number of non-negative integers $a$ with $0 \leq a \leq 39711402$ such that $S = a$, but $N \neq a$, $M \neq a$, and $R \neq a$.
5,332
graphs = [ Graph( let={ "p1": Mod(value=Sum(Mul(Const(2), Pow(Var("a"), Const(3))), Mul(Const(3), Var("a"))), modulus=Const(29791)), "p2": Mod(value=Sum(Mul(Const(2), Pow(Ref("p1"), Const(3))), Mul(Const(3), Ref("p1"))), modulus=Const(29791)), "p3": Mod(value=Sum(Mul(Cons...
ALG
null
COUNT
sympy
POLY_ORBIT_COUNT
[ "POLY_ORBIT_COUNT" ]
4ad965
alg_poly_orbit_hensel_v1
null
6
null
[ "POLY_ORBIT_COUNT" ]
1
0.145
2026-02-25T06:57:31.852057Z
{ "verified": true, "answer": 5332, "timestamp": "2026-02-25T06:57:31.996900Z" }
2d8b57
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 244, "completion_tokens": 32768 }, "timestamp": "2026-03-29T20:51:30.583Z", "answer": null }, { ...
1
[ { "lemma": "POLY_ORBIT_COUNT", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": 3.81, "mid": 6.33, "hi": 9.49 }
9fc788
comb_catalan_compute_v1_1218484723_1412
Let $C_n$ denote the $n$-th Catalan number. Let $N = C_{10}$. Find the remainder when $44121N$ is divided by $75667$.
49,385
graphs = [ Graph( let={ "n": Const(10), "result": Catalan(Ref("n")), "Q": Mod(value=Mul(Const(44121), Ref("result")), modulus=Const(75667)), }, goal=Ref("Q"), ) ]
COMB
null
COMPUTE
sympy
STARS_BARS
[ "STARS_BARS", "ONE_BINOM_0" ]
a839e8
comb_catalan_compute_v1
null
2
0
[ "ONE_BINOM_0", "STARS_BARS" ]
2
0.022
2026-02-25T03:08:19.594878Z
{ "verified": true, "answer": 49385, "timestamp": "2026-02-25T03:08:19.616557Z" }
2a0a21
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 151, "completion_tokens": 1651 }, "timestamp": "2026-03-10T06:58:25.473Z", "answer": 49385 }, { "...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "ONE_BINOM_0", "status": "ok" }, { "lemma": "STARS_BARS", "status": "ok" }, { "lemma": "V7", "status":...
{ "lo": -2.47, "mid": 1.2, "hi": 4.81 }
49c261
antilemma_k2_v1_677425708_621
Let $ x = \sum_{k=1}^{247} \phi(k) \left\lfloor \frac{247}{k} \right\rfloor $, where $ \phi(k) $ denotes Euler's totient function. Let $ c = 128 $. Define $ Q $ to be the remainder when $ c - x $ is divided by $ 83177 $. Compute $ Q $.
52,677
graphs = [ Graph( let={ "x": Summation(var="k", start=Const(1), end=Const(247), expr=Mul(EulerPhi(n=Var("k")), Floor(Div(Const(247), Var("k"))))), "_c": Const(128), "Q": Mod(value=Sub(Ref("_c"), Ref("x")), modulus=Const(83177)), }, goal=Ref("Q"), ) ]
NT
COMB
COMPUTE
sympy
K2
[ "K2" ]
6897ab
antilemma_k2_v1
null
7
0
[ "K2" ]
1
0
2026-02-08T03:37:39.713259Z
{ "verified": true, "answer": 52677, "timestamp": "2026-02-08T03:37:39.713625Z" }
3d8301
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 196, "completion_tokens": 726 }, "timestamp": "2026-02-08T20:50:43.871Z", "answer": 52677 }, { "i...
1
[ { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "MOD_ADD", "status": "no" } ]
{ "lo": -3.46, "mid": 1.03, "hi": 5.49 }
5d16cd
nt_num_divisors_compute_v1_153355830_2586
Let $n$ be the sum of all real solutions $x$ to the equation $x^2 - 7056x - 412612 = 0$. Let $r$ be the number of positive divisors of $n$. Compute the remainder when $92921 \cdot r$ is divided by $85360$.
84,165
graphs = [ Graph( let={ "_n": Const(85360), "n": SumOverSet(set=SolutionsSet(var=Var("x"), condition=Eq(Sum(Pow(Var("x"), Const(2)), Mul(Const(-7056), Var("x")), Const(-412612)), Const(0)))), "result": NumDivisors(n=Ref("n")), "Q": Mod(value=Mul(Const(92921), ...
NT
null
COMPUTE
sympy
VIETA_SUM
[ "VIETA_SUM" ]
b33a7a
nt_num_divisors_compute_v1
null
4
0
[ "VIETA_SUM" ]
1
0.003
2026-02-08T07:14:11.759150Z
{ "verified": true, "answer": 84165, "timestamp": "2026-02-08T07:14:11.762255Z" }
ad7800
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 113, "completion_tokens": 1197 }, "timestamp": "2026-02-13T09:06:28.635Z", "answer": 84165 }, ...
1
[ { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "V3", "status": "no" }, { "lemma": "VIETA_SUM", "status": "ok" } ]
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }