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79761d
antilemma_product_of_sums_v1_1520064083_1057
Let $S_1 = \sum_{k=1}^{20} k$. Let $S_2$ be the sum of $i \cdot j$ over all ordered pairs $(i, j)$ with $1 \leq i \leq 4$ and $1 \leq j \leq 7$. Let $x = S_1 \cdot S_2$. Let $d_i$ denote the $i$-th decimal digit of $|x|$, starting from $i=0$ for the units digit. Suppose $x$ has $\ell$ digits, so $i$ ranges from $0$ to ...
4,769
graphs = [ Graph( let={ "S1": Summation(var="k", start=Const(1), end=Const(20), expr=Var("k")), "S2": SumOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=Const(1), domain=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(4)), righ...
NT
null
COMPUTE
sympy
PRODUCT_OF_SUMS
[ "PRODUCT_OF_SUMS" ]
f2b2b0
antilemma_product_of_sums_v1
null
4
0
[ "PRODUCT_OF_SUMS" ]
1
0.001
2026-02-08T03:45:25.931782Z
{ "verified": true, "answer": 4769, "timestamp": "2026-02-08T03:45:25.932625Z" }
94d7b0
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 256, "completion_tokens": 519 }, "timestamp": "2026-02-18T06:05:34.195Z", "answer": 4769 } ]
2
[ { "lemma": "K14", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "PRODUCT_OF_SUMS", "status": "ok" }, { "lemma": "V5", "status": "no" } ]
{ "lo": -10, "mid": -6.47, "hi": -2.95 }
b0c6f4
nt_sum_divisors_compute_v1_458359167_1579
Compute the sum of all positive divisors of $44444$.
79,968
graphs = [ Graph( let={ "n": Const(44444), "result": SumDivisors(n=Ref("n")), }, goal=Ref("result"), ) ]
NT
null
COMPUTE
sympy
BIG_OMEGA_ZERO
[ "BIG_OMEGA_ZERO", "MOBIUS_COPRIME", "LIOUVILLE_ONE" ]
8557b9
nt_sum_divisors_compute_v1
null
3
0
[ "BIG_OMEGA_ZERO", "LIOUVILLE_ONE", "MOBIUS_COPRIME" ]
3
0.004
2026-02-08T04:45:57.248615Z
{ "verified": true, "answer": 79968, "timestamp": "2026-02-08T04:45:57.252677Z" }
33931e
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 123, "completion_tokens": 1053 }, "timestamp": "2026-02-11T21:52:42.977Z", "answer": 79968 }, { ...
1
[ { "lemma": "BIG_OMEGA_ZERO", "status": "ok" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "LIOUVILLE_ONE", "status": "ok" }, { "lemma": "MOBIUS_COPRIME", "status": "ok" }, { "lemma": "MOD_SUB", "stat...
{ "lo": -3.42, "mid": 1.86, "hi": 7.55 }
048d38
comb_factorial_compute_v1_1218484723_7378
Let $n$ be the number of non-negative integers $j$ with $0 \le j \le 1282$ such that $$\binom{\left|\{(a, b) : 1 \le a \le \left|\{(a_1, b_1) : 1 \le a_1 \le 40,\ 1 \le b_1 \le 40,\ -189a_1^{3} = -23625\}\right|,\ 1 \le b \le 40,\ 25b^{2} + 34a^{2} + 22ab \le 65610\}\right|}{j} \bmod 2 = 1.$$ Let $S = n!$. Find the rem...
4,980
graphs = [ Graph( let={ "_c": Const(22847), "_m": Const(2), "_n": Const(70806), "n": CountOverSet(set=SolutionsSet(var=Var("j"), condition=And(Geq(Var("j"), Const(0)), Leq(Var("j"), Const(1282)), Eq(Mod(value=Binom(n=CountOverSet(set=SolutionsSet(var=Tuple(ele...
COMB
null
COMPUTE
sympy
MIN_PRIME_FACTOR
[ "POLY3_COUNT/QF_PSD_COUNT_LEQ/V8" ]
cd9964
comb_factorial_compute_v1
null
7
0
[ "MIN_PRIME_FACTOR", "POLY3_COUNT", "QF_PSD_COUNT_LEQ", "V8" ]
4
0.062
2026-02-25T08:47:12.412471Z
{ "verified": true, "answer": 4980, "timestamp": "2026-02-25T08:47:12.474804Z" }
829820
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 287, "completion_tokens": 32768 }, "timestamp": "2026-03-30T04:17:00.764Z", "answer": null }, { ...
1
[ { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "POLY3_COUNT", "status": "ok" }, { "lemma...
{ "lo": 1.53, "mid": 4.7, "hi": 7.23 }
084548
antilemma_k3_v1_1520064083_8844
Compute the sum of $\phi(d)$ over all positive divisors $d$ of $21915$, where $\phi$ denotes Euler's totient function.
21,915
graphs = [ Graph( let={ "x": SumOverDivisors(n=Const(value=21915), 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
2026-02-08T10:25:01.851847Z
{ "verified": true, "answer": 21915, "timestamp": "2026-02-08T10:25:01.852072Z" }
d05eba
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 77, "completion_tokens": 878 }, "timestamp": "2026-02-14T07:20:56.388Z", "answer": 21915 }, { ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "K3", "status": "ok" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
1163d2
nt_count_divisors_in_range_v1_151522320_104
Let $p = 47$ and $q = 11$. Define $n_2 = p \cdot q$. Let $h = \lambda(n_2)$, where $\lambda$ denotes the Liouville function. Let $n_1 = 2$ and define $f = \left(\sum_{d \mid n_1} \phi(d)\right) - n_1$, where $\phi$ is Euler's totient function. Let $n = 5040$ and $a = 1 + f$. Let $b$ be the number of positive integers $...
51,842
graphs = [ Graph( let={ "p": Const(47), "q": Const(11), "n2": Mul(Ref("p"), Ref("q")), "h": LiouvilleLambda(n=Ref(name='n2')), "n1": Const(2), "f": Sub(SumOverDivisors(n=Ref(name='n1'), var='d', expr=EulerPhi(n=Var(name='d'))), Ref("n1"...
NT
null
COUNT
sympy
EULER_TOTIENT_SUM
[ "EULER_TOTIENT_SUM", "LIOUVILLE_ONE", "LIN_FORM" ]
42b0ed
nt_count_divisors_in_range_v1
null
5
2
[ "EULER_TOTIENT_SUM", "LIN_FORM", "LIOUVILLE_ONE" ]
3
0.025
2026-02-08T02:58:42.156075Z
{ "verified": true, "answer": 51842, "timestamp": "2026-02-08T02:58:42.180721Z" }
c1a289
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 375, "completion_tokens": 5904 }, "timestamp": "2026-02-08T23:07:18.224Z", "answer": 51842 }, { ...
1
[ { "lemma": "EULER_TOTIENT_SUM", "status": "ok" }, { "lemma": "K13", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "LIOUVILLE_ONE", "status": "ok" }, ...
{ "lo": -6.49, "mid": 0.51, "hi": 7.52 }
c71c15
diophantine_product_count_v1_865884756_1336
Let $k$ be the number of prime numbers $n$ such that $2 \leq n \leq 281$. Let $S$ be the set of positive integers $x$ such that $1 \leq x \leq 36$, $x$ divides $k$, and $\frac{k}{x} \leq 36$. Compute the value of $11664 - |S|$.
11,654
graphs = [ Graph( let={ "_n": Const(2), "k": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Ref("_n")), Leq(Var("n"), Const(281)), IsPrime(Var("n"))))), "upper": Const(36), "result": CountOverSet(set=SolutionsSet(var=Var("x"), conditio...
NT
null
COUNT
sympy
COUNT_PRIMES
[ "COUNT_PRIMES" ]
07c874
diophantine_product_count_v1
null
5
0
[ "COUNT_PRIMES" ]
1
0.006
2026-02-08T15:57:27.244157Z
{ "verified": true, "answer": 11654, "timestamp": "2026-02-08T15:57:27.249982Z" }
1d83e3
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": 1226 }, "timestamp": "2026-02-16T17:56:01.141Z", "answer": 11654 }, ...
1
[ { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "ok" }, { "lemma": "K14", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MOD_MUL", "status": "no"...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
fecce0
comb_catalan_compute_v1_1978505735_4861
Let $a = 4$ and $b = 3$, and define $n_2 = a + b$. Compute $$ c = \sum_{k=0}^{n_2} (-1)^k \binom{n_2}{k}. $$ Let $n_1 = c$. Compute $$ v = \sum_{k_1=0}^{n_1} (-1)^{k_1} \binom{n_1}{k_1}. $$ Let $s$ be the number of ordered pairs $(x_1, x_2)$ of positive odd integers such that $x_1 + x_2 = 22$. Define $n = s \cdot v$. C...
58,786
graphs = [ Graph( let={ "a": Const(4), "b": Const(3), "n2": Sum(Ref("a"), Ref("b")), "c": Summation(var="k", start=Const(0), end=Ref("n2"), expr=Mul(Pow(Const(-1), Var("k")), Binom(n=Ref("n2"), k=Var("k")))), "n1": Ref("c"), "v": Summat...
COMB
null
COMPUTE
sympy
COMB1
[ "COMB1/BINOMIAL_ALTERNATING" ]
e72f96
comb_catalan_compute_v1
null
5
2
[ "BINOMIAL_ALTERNATING", "COMB1" ]
2
0.004
2026-02-08T18:36:16.777695Z
{ "verified": true, "answer": 58786, "timestamp": "2026-02-08T18:36:16.781746Z" }
d2f9de
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 200, "completion_tokens": 1041 }, "timestamp": "2026-02-18T18:00:47.839Z", "answer": 58786 }, ...
1
[ { "lemma": "BINOMIAL_ALTERNATING", "status": "ok_later" }, { "lemma": "COMB1", "status": "ok" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "l...
{ "lo": -5.39, "mid": -2.64, "hi": 0.63 }
5ee9ea
geo_count_lattice_triangle_v1_601307018_7927
Let $R = \left|111 \cdot 256 + 256 \cdot (-49)\right|$, $$ S = \gcd(111, 49) + \gcd(|256 - 111|, |256 - 49|) + \gcd(|0 - 256|, |0 - 256|), $$ and $$ T = \frac{R + 2 - S}{\left|\left\{ (a, b) : 1 \leq a, b \leq 15,\ 216a^3b + 82b^4 + 162a^4 + C \cdot ab^3 + 540a^2b^2 = 104992 \right\}\right|}, $$ where $C = \left|\left...
40,153
graphs = [ Graph( let={ "_m": Const(111), "_n": Const(540), "area_2x": Abs(arg=Sum(Mul(Ref(name='_m'), Const(value=256)), Mul(Const(value=256), Sub(left=Const(value=0), right=Const(value=49))))), "boundary": Sum(GCD(a=Abs(arg=Const(value=111)), b=Abs(arg=Const...
GEOM
NT
COUNT
sympy
QF_PSD_DISTINCT
[ "QF_PSD_DISTINCT/POLY4_COUNT" ]
a605ae
geo_count_lattice_triangle_v1
null
7
0
[ "POLY4_COUNT", "QF_PSD_DISTINCT" ]
2
0.021
2026-03-10T08:28:38.653314Z
{ "verified": true, "answer": 40153, "timestamp": "2026-03-10T08:28:38.673837Z" }
b68725
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 356, "completion_tokens": 22795 }, "timestamp": "2026-04-19T07:50:58.560Z", "answer": 40153 }, { ...
1
[ { "lemma": "POLY4_COUNT", "status": "ok_later" }, { "lemma": "QF_PSD_DISTINCT", "status": "ok" } ]
{ "lo": -5.34, "mid": 1.1, "hi": 7.53 }
37f51c
nt_max_prime_below_v1_124444284_225
Let $n$ be the largest prime number satisfying $2 \leq n \leq 14$. Let $r$ be the largest prime number $p$ such that $13^{v_{13}(n \cdot 13)} \leq p \leq 26569$. Compute the remainder when $51287 \cdot r$ is divided by $82290$.
5,347
graphs = [ Graph( let={ "_n": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Const(14)), IsPrime(Var("n"))))), "upper": Const(26569), "result": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), MaxKDivide...
NT
null
EXTREMUM
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW/K13" ]
b92fdf
nt_max_prime_below_v1
null
4
0
[ "K13", "MAX_PRIME_BELOW" ]
2
2.898
2026-02-08T03:04:56.262781Z
{ "verified": true, "answer": 5347, "timestamp": "2026-02-08T03:04:59.160948Z" }
6e5aa2
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 194, "completion_tokens": 6613 }, "timestamp": "2026-02-08T23:59:06.373Z", "answer": 5347 }, { "...
1
[ { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K13", "status": "ok_later" }, { "lemma": "K5", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "MOD_SUB", "status":...
{ "lo": -6.49, "mid": 0.45, "hi": 7.05 }
d9dca8
nt_num_divisors_compute_v1_458359167_5387
Let $ n = 45369 $. Let $ d(n) $ denote the number of positive divisors of $ n $. Compute $ d(n) $.
9
graphs = [ Graph( let={ "n": Const(45369), "result": NumDivisors(n=Ref("n")), }, goal=Ref("result"), ) ]
NT
null
COMPUTE
sympy
LIN_FORM
[ "B3" ]
0cd20d
nt_num_divisors_compute_v1
null
2
0
[ "B3", "LIN_FORM" ]
2
0.184
2026-02-08T12:27:16.953433Z
{ "verified": true, "answer": 9, "timestamp": "2026-02-08T12:27:17.137564Z" }
04a665
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 78, "completion_tokens": 460 }, "timestamp": "2026-02-15T00:58:37.716Z", "answer": 9 }, { ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "V8", "status": "no" } ]
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
666bcb
nt_count_divisors_in_range_v1_1116507919_418
Let $n = 221760$. Define $a = \sum_{k=\phi(1)}^{3} k$ and $b = 24642$. Let $S$ be the set of all positive divisors $d$ of $n$ such that $a \leq d \leq b$. Compute the remainder when $44121$ multiplied by the number of elements in $S$ is divided by $97667$.
2,065
graphs = [ Graph( let={ "n": Const(221760), "a": Summation(var="k", start=EulerPhi(n=Const(1)), end=Const(3), expr=Var("k")), "b": Const(24642), "result": CountOverSet(set=SolutionsSet(var=Var("d"), condition=And(Divides(divisor=Var("d"), dividend=Ref("n")), G...
NT
null
COUNT
sympy
SUM_ARITHMETIC
[ "SUM_ARITHMETIC", "ONE_PHI_1" ]
342157
nt_count_divisors_in_range_v1
null
3
0
[ "ONE_PHI_1", "SUM_ARITHMETIC" ]
2
0.191
2026-02-08T02:34:05.590972Z
{ "verified": true, "answer": 2065, "timestamp": "2026-02-08T02:34:05.782377Z" }
9ae5c8
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 205, "completion_tokens": 2235 }, "timestamp": "2026-02-08T19:31:51.083Z", "answer": 2065 }, { "i...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "ONE_PHI_1", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "SUM_ARITHMETIC", ...
{ "lo": -4.6, "mid": 0.19, "hi": 4.77 }
97945b
modular_count_residue_v1_151522320_1729
Let $r$ be the sum of all real solutions $x$ to the equation $x^2 - 11x + 18 = 0$. Determine the value of the number of positive integers $n$ such that $1 \leq n \leq 44944$ and $n \equiv r \pmod{12}$.
3,745
graphs = [ Graph( let={ "_n": Const(2), "upper": Const(44944), "m": Const(12), "r": SumOverSet(set=SolutionsSet(var=Var("x"), condition=Eq(Sum(Pow(Var("x"), Ref("_n")), Mul(Const(-11), Var("x")), Const(18)), Const(0)))), "result": CountOverSet(set=...
NT
null
COUNT
sympy
VIETA_SUM
[ "VIETA_SUM" ]
b33a7a
modular_count_residue_v1
null
4
0
[ "VIETA_SUM" ]
1
1.708
2026-02-08T04:19:02.867853Z
{ "verified": true, "answer": 3745, "timestamp": "2026-02-08T04:19:04.576051Z" }
80826e
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 183, "completion_tokens": 643 }, "timestamp": "2026-02-10T16:18:05.321Z", "answer": 3745 }, { "i...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "V8_SUM", "status": "no" }, { "lemma": "VIETA_SUM", "status": "ok" } ]
{ "lo": -7.01, "mid": -4.68, "hi": -2.15 }
0b1156
geo_count_lattice_rect_v1_1419126231_792
Find the number of lattice points $(x, y)$ such that $0 \leq x \leq 81$ and $0 \leq y \leq 183$.
15,088
graphs = [ Graph( let={ "a": Const(81), "b": Const(183), "result": LatticePointsRect(a=Ref(name='a'), b=Ref(name='b')), }, goal=Ref("result"), ) ]
GEOM
GEOM
COUNT
sympy
[]
geo_count_lattice_rect_v1
null
2
0
null
null
0.001
2026-02-25T10:17:11.840916Z
{ "verified": true, "answer": 15088, "timestamp": "2026-02-25T10:17:11.841416Z" }
916b8f
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 148, "completion_tokens": 207 }, "timestamp": "2026-03-30T10:02:00.145Z", "answer": 15088 }, { "i...
1
[]
{ "lo": -5.37, "mid": 0.23, "hi": 5.22 }
435e00
modular_product_range_v1_168721529_2094
Let $S$ be the set of all integers $t$ such that $7 \leq t \leq 42$ and $t = 4a + 3b$ for some integers $a$ and $b$ with $1 \leq a \leq 6$ and $1 \leq b \leq 6$. Let $k$ be the number of elements in $S$. Compute the remainder when $$\prod_{i=k}^{107} i$$ is divided by $10391$.
5,558
graphs = [ Graph( let={ "_n": Const(107), "prod": MathProduct(expr=Var("i"), var="i", start=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(na...
NT
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
modular_product_range_v1
null
4
0
[ "LIN_FORM" ]
1
0.008
2026-02-08T14:07:03.551316Z
{ "verified": true, "answer": 5558, "timestamp": "2026-02-08T14:07:03.559365Z" }
eb7b06
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": 8121 }, "timestamp": "2026-02-11T11:02:34.750Z", "answer": 5558 }, { "...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V8", "status": "no" } ]
{ "lo": -7.08, "mid": 0.22, "hi": 7.52 }
354cd2
comb_count_permutations_fixed_v1_898971024_1917
Let $t = \sum_{k_1=0}^{0} (-1)^{k_1} \binom{0}{k_1}$ and let $v = \sum_{k_2=0}^{0} (-1)^{k_2} \binom{0}{k_2}$, where the upper limit of the sum for $v$ is defined as $\sum_{k_3=0}^{10} (-1)^{k_3} \binom{10}{k_3}$ minus $\sum_{k_4=0}^{4} (-1)^{k_4} \binom{4}{k_4}$. Let $r = \binom{5}{3} \cdot !2$, where $!2$ denotes the...
31,090
graphs = [ Graph( let={ "n2": Const(0), "t": Summation(var="k1", start=Const(0), end=Ref("n2"), expr=Mul(Pow(Const(-1), Var("k1")), Binom(n=Ref("n2"), k=Var("k1")))), "n1": Const(0), "v": Summation(var="k2", start=Summation(var="k3", start=Summation(var="k4", ...
COMB
null
COUNT
sympy
BINOMIAL_ALTERNATING
[ "BINOMIAL_ALTERNATING" ]
c21569
comb_count_permutations_fixed_v1
null
3
2
[ "BINOMIAL_ALTERNATING" ]
1
0.004
2026-02-08T16:25:47.106608Z
{ "verified": true, "answer": 31090, "timestamp": "2026-02-08T16:25:47.110286Z" }
3566e8
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 313, "completion_tokens": 1371 }, "timestamp": "2026-02-24T20:52:54.231Z", "answer": 31090 }, { ...
1
[ { "lemma": "BINOMIAL_ALTERNATING", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "V7",...
{ "lo": -4.1, "mid": -1.76, "hi": 1.3 }
009015
nt_count_digit_sum_v1_784195855_5105
Let $U = 99999$ and $s = 26$. Define $N$ to be the number of positive integers $n$ such that $1 \le n \le U$ and the sum of the decimal digits of $n$ is equal to $s$. Let $c = 47$. Consider the decimal digits of $|N|$, indexed starting from $0$ at the units place. Let $t$ be the number of digits in $|N|$, and define $...
177
graphs = [ Graph( let={ "upper": Const(99999), "target_sum": Const(26), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("upper")), Eq(DigitSum(Var("n")), Ref("target_sum"))))), "_c": Const(47), ...
COMB
null
COUNT
sympy
BINOMIAL_ALTERNATING
[ "BINOMIAL_ALTERNATING" ]
c21569
nt_count_digit_sum_v1
null
6
0
[ "BINOMIAL_ALTERNATING" ]
1
7.27
2026-02-08T07:40:26.047465Z
{ "verified": true, "answer": 177, "timestamp": "2026-02-08T07:40:33.317475Z" }
13eb87
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 296, "completion_tokens": 2705 }, "timestamp": "2026-02-24T08:20:02.066Z", "answer": 177 }, { "id...
1
[ { "lemma": "BINOMIAL_ALTERNATING", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "...
{ "lo": -2.35, "mid": 1.22, "hi": 4.84 }
3f8487_n
alg_poly_orbit_legendre_v1_1218484723_4274
A cryptographic function processes an input $a$ modulo 23 through two transformation paths: one via exponentiation ($a^{11}$), the other via a cubic polynomial ($a^3 + 4a$). These yield values $N$ and $M$. The process repeats on $M$ to get $R$ and $T$. The sum $S = N + R$ must be divisible by 3. How many inputs $a$ fro...
2,284
ALG
null
COUNT
sympy
POLY_ORBIT_LEGENDRE_COUNT
[ "POLY_ORBIT_LEGENDRE_COUNT" ]
b47831
alg_poly_orbit_legendre_v1
null
6
null
[ "POLY_ORBIT_LEGENDRE_COUNT" ]
1
0.013
2026-02-25T05:54:59.233801Z
null
c67a39
3f8487
narrative
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 237, "completion_tokens": 8265 }, "timestamp": "2026-03-30T21:24:08.610Z", "answer": 2284 }, { "i...
1
[ { "lemma": "POLY_ORBIT_LEGENDRE_COUNT", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": 3.8, "mid": 6.33, "hi": 9.49 }
058ce1
diophantine_product_count_v1_655260480_1729
Let $k$ be the number of integers $t$ such that $14 \leq t \leq 197$ and there exist integers $a$ and $b$ with $1 \leq a \leq 5$, $1 \leq b \leq 36$, and $t = 2a + 5b + 7$. Let $u$ be the number of integers $t_1$ such that $7 \leq t_1 \leq 61$ and there exist integers $a$ and $b$ with $1 \leq a \leq 13$, $1 \leq b \le...
12
graphs = [ Graph( let={ "k": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=5)), Geq(left=Var(name='b'), right=Const(value=1...
NT
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
diophantine_product_count_v1
null
7
0
[ "LIN_FORM" ]
1
0.009
2026-02-08T16:18:55.962663Z
{ "verified": true, "answer": 12, "timestamp": "2026-02-08T16:18:55.971819Z" }
f39105
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 244, "completion_tokens": 5576 }, "timestamp": "2026-02-17T01:17:40.628Z", "answer": 12 }, { ...
1
[ { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "V8", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
79626a
lin_form_endings_v1_798873815_451
Let $a = 60$ and $b = 75$. Define $r = \left\lfloor \frac{60}{\gcd(a, b)} \right\rfloor$. Let $s = 12666 \cdot r$, and let $x$ be the remainder when $s$ is divided by $81955$. Compute $x$.
50,664
graphs = [ Graph( let={ "a_coeff": Const(60), "b_coeff": Const(75), "_inner_result": Floor(Div(Const(60), GCD(a=Ref("a_coeff"), b=Ref("b_coeff")))), "_scale_k": Const(12666), "_scaled": Mul(Ref("_scale_k"), Ref("_inner_result")), "_mod_...
COMB
NT
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
lin_form_endings_v1
null
2
null
[ "LIN_FORM" ]
1
0.002
2026-02-08T02:38:49.976087Z
{ "verified": true, "answer": 50664, "timestamp": "2026-02-08T02:38:49.978230Z" }
68ab07
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 190, "completion_tokens": 505 }, "timestamp": "2026-02-08T19:32:46.780Z", "answer": 50664 }, { "i...
2
[ { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status...
{ "lo": -7.73, "mid": -5.64, "hi": -3.79 }
785728
comb_count_permutations_fixed_v1_153355830_2336
Let $ d $ be the smallest divisor of $ 539539 $ that is at least $ 2 $. Compute $ \binom{10}{d} \cdot !(10 - d) $, where $ !n $ denotes the number of derangements of $ n $ elements.
240
graphs = [ Graph( let={ "n": Const(10), "k": MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(2)), Divides(divisor=Var("d"), dividend=Const(539539))))), "result": Mul(Binom(n=Ref("n"), k=Ref("k")), Subfactorial(arg=Sub(left=Ref(name='n'), right=...
NT
COMB
COUNT
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR" ]
bc3776
comb_count_permutations_fixed_v1
null
5
0
[ "MIN_PRIME_FACTOR" ]
1
0.002
2026-02-08T07:04:01.206466Z
{ "verified": true, "answer": 240, "timestamp": "2026-02-08T07:04:01.208271Z" }
f2dae2
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 105, "completion_tokens": 1115 }, "timestamp": "2026-02-13T07:29:13.716Z", "answer": 240 }, { ...
1
[ { "lemma": "K18", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V7", "status": "n...
{ "lo": -9.12, "mid": -6.02, "hi": -3.62 }
cf966d
sequence_count_fib_divisible_v1_784195855_387
Let $T$ be the number of integers $t$ with $9 \leq t \leq 143$ for which there exist positive integers $a \leq 26$ and $b \leq 13$ such that $t = 2a + 7b$. Let $d$ be the smallest divisor of $31603$ that is greater than $1$. Determine the number of positive integers $n \leq T$ such that $d$ divides the $n$-th Fibonacci...
4,404
graphs = [ Graph( let={ "_n": Const(31603), "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=26)), Geq(le...
NT
null
COUNT
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR", "LIN_FORM" ]
41af5a
sequence_count_fib_divisible_v1
null
6
0
[ "LIN_FORM", "MIN_PRIME_FACTOR" ]
2
0.143
2026-02-08T03:07:34.764689Z
{ "verified": true, "answer": 4404, "timestamp": "2026-02-08T03:07:34.907634Z" }
faeae3
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 237, "completion_tokens": 6821 }, "timestamp": "2026-02-11T08:57:13.929Z", "answer": 4404 }, { "i...
1
[ { "lemma": "K14", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "V5", "status": "no" }, ...
{ "lo": 1.71, "mid": 5.04, "hi": 8.38 }
af3991
nt_count_with_divisor_count_v1_784195855_4435
Let $n$ be a positive integer such that $1 \leq n \leq 11236$ and the number of positive divisors of $n$ is exactly 7. Compute the number of such integers $n$.
2
graphs = [ Graph( let={ "upper": Const(11236), "div_count": Const(7), "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"))))), }, goal=Ref("r...
NT
null
COUNT
sympy
SUM_ARITHMETIC
[ "SUM_ARITHMETIC/K3" ]
7bbb8e
nt_count_with_divisor_count_v1
null
5
0
[ "K3", "SUM_ARITHMETIC" ]
2
2.96
2026-02-08T07:06:01.873216Z
{ "verified": true, "answer": 2, "timestamp": "2026-02-08T07:06:04.832953Z" }
1dc4a4
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 92, "completion_tokens": 790 }, "timestamp": "2026-02-13T07:40:08.271Z", "answer": 2 }, { ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "K3", "status": "ok_later" }, { "lemma": "L3b", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, ...
{ "lo": -5.55, "mid": -3.01, "hi": 0.32 }
0c8b71
antilemma_k3_v1_784195855_3512
Compute $$ \sum_{d \mid 6715} \phi(d), $$ where $\phi(n)$ denotes Euler's totient function.
6,715
graphs = [ Graph( let={ "x": SumOverDivisors(n=Const(value=6715), 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
2026-02-08T06:28:03.740785Z
{ "verified": true, "answer": 6715, "timestamp": "2026-02-08T06:28:03.741028Z" }
947ad5
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 75, "completion_tokens": 471 }, "timestamp": "2026-02-13T00:35:33.908Z", "answer": 6715 }, { ...
1
[ { "lemma": "K3", "status": "ok" }, { "lemma": "K5", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" } ]
{ "lo": -5.55, "mid": -3.01, "hi": 0.32 }
d10caf
nt_count_divisible_and_v1_153355830_2245
Let $\text{upper} = 111660$ and $d_1 = 6$. Define $$ d_2 = \sum_{k=1}^{4} \phi(k) \left\lfloor \frac{4}{k} \right\rfloor, $$ where $\phi$ denotes Euler's totient function. Compute the number of positive integers $n$ such that $1 \leq n \leq \text{upper}$, $n$ is divisible by $d_1$, and $n$ is divisible by $d_2$.
3,722
graphs = [ Graph( let={ "upper": Const(111660), "d1": Const(6), "d2": Summation(var="k", start=Const(1), end=Const(4), expr=Mul(EulerPhi(n=Var("k")), Floor(Div(Const(4), Var("k"))))), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var(...
NT
null
COUNT
sympy
K2
[ "K2" ]
6897ab
nt_count_divisible_and_v1
null
4
0
[ "K2" ]
1
4.672
2026-02-08T07:00:14.376342Z
{ "verified": true, "answer": 3722, "timestamp": "2026-02-08T07:00:19.048518Z" }
03c5d4
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 184, "completion_tokens": 634 }, "timestamp": "2026-02-15T18:50:15.770Z", "answer": 3722 }, { "id": 11, ...
2
[ { "lemma": "C2", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "L3b", "status": "no" }, { "lemma": "L3c", "status": "no" } ]
{ "lo": -9.14, "mid": -6.05, "hi": -3.73 }
982aa8
modular_modexp_compute_v1_458359167_4310
Let $a$ be the smallest divisor of $175$ that is at least $2$. Let $e$ be the number of positive integers $n$ with $1 \leq n \leq 23809$ such that $n \equiv \left\lfloor \frac{n}{2} \right\rfloor \pmod{5}$. Compute the remainder when $a^e$ is divided by $78606$. Find the value of this remainder.
73,727
graphs = [ Graph( let={ "_n": Const(23809), "a": MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(2)), Divides(divisor=Var("d"), dividend=Const(175))))), "e": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq...
NT
null
COMPUTE
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR", "L3C" ]
156825
modular_modexp_compute_v1
null
5
0
[ "L3C", "MIN_PRIME_FACTOR" ]
2
0.002
2026-02-08T11:41:33.453517Z
{ "verified": true, "answer": 73727, "timestamp": "2026-02-08T11:41:33.455729Z" }
61053e
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 140, "completion_tokens": 2854 }, "timestamp": "2026-02-14T17:12:36.362Z", "answer": 73727 }, ...
1
[ { "lemma": "DS2", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "L3C", "status": "ok" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "V1", "status": "no" }, { "lemma": "...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
54ab39
nt_count_divisors_in_range_v1_124444284_845
Let $n = 20160$. Let $a$ be the smallest divisor of $29645$ that is at least $2$. Let $b = 20165$. Consider the set of all positive integers $d$ such that $d$ divides $n$, $a \leq d$, and $d \leq b$. Compute the number of elements in this set. Multiply this number by $34901$, and find the remainder when the product is ...
26,240
graphs = [ Graph( let={ "n": Const(20160), "a": MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(2)), Divides(divisor=Var("d"), dividend=Const(29645))))), "b": Const(20165), "result": CountOverSet(set=SolutionsSet(var=Var("d"), condi...
NT
null
COUNT
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR" ]
bc3776
nt_count_divisors_in_range_v1
null
4
0
[ "MIN_PRIME_FACTOR" ]
1
0.186
2026-02-08T03:32:55.260446Z
{ "verified": true, "answer": 26240, "timestamp": "2026-02-08T03:32:55.446857Z" }
dcea99
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 218, "completion_tokens": 1280 }, "timestamp": "2026-02-09T22:56:34.022Z", "answer": 26240 }, { "...
1
[ { "lemma": "K16", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V1", "status": "no" } ]
{ "lo": -3.46, "mid": 1.03, "hi": 5.49 }
4a41f5
nt_min_crt_v1_898971024_8
Let $m$ be the number of positive integers $p$ for which there exists a positive integer $q$ such that $pq = 270$, $\gcd(p, q) = 1$, and $p < q$. Let $k$ be the largest prime number less than or equal to $10$. Determine the value of the smallest positive integer $n_1$ such that $1 \leq n_1 \leq 28$, $n_1 \equiv 1 \pmod...
9
graphs = [ Graph( let={ "_n": Const(10), "m": 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=270)), Eq(left=GCD(a=Var(name='p'), b=Var(name='...
NT
null
EXTREMUM
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW", "COPRIME_PAIRS" ]
05d703
nt_min_crt_v1
null
6
0
[ "COPRIME_PAIRS", "MAX_PRIME_BELOW" ]
2
0.13
2026-02-08T15:09:00.086836Z
{ "verified": true, "answer": 9, "timestamp": "2026-02-08T15:09:00.216982Z" }
93b255
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 165, "completion_tokens": 1969 }, "timestamp": "2026-02-16T00:54:01.308Z", "answer": 9 }, { ...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { ...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
6feea3
nt_max_prime_below_v1_397696148_169
Let $P$ be the set of all positive integers $p$ for which there exists a positive integer $q$ such that $pq = 6$, $\gcd(p, q) = 1$, and $p < q$. Let $L = |P|$. Let $B$ be the set of all prime numbers $n$ such that $L \leq n \leq 11449$. Determine the largest element of $B$.
11,447
graphs = [ Graph( let={ "upper": Const(11449), "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
5
0
[ "COPRIME_PAIRS" ]
1
0.27
2026-02-08T11:19:37.177221Z
{ "verified": true, "answer": 11447, "timestamp": "2026-02-08T11:19:37.447583Z" }
79188b
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 138, "completion_tokens": 1382 }, "timestamp": "2026-02-14T12:19:08.151Z", "answer": 11447 }, ...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V1", "status": "n...
{ "lo": -6.96, "mid": -4.56, "hi": -1.46 }
a33fbe
antilemma_cartesian_v1_1918700295_4628
Let $x$ be the number of ordered pairs $(a, b)$ of integers such that $1 \leq a \leq 27$ and $1 \leq b \leq 35$. Find the remainder when $44121 \cdot x$ is divided by $85912$.
27,025
graphs = [ Graph( let={ "x": CountOverSet(set=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(27)), right=IntegerRange(start=Const(1), end=Const(35)))), "Q": Mod(value=Mul(Const(44121), Ref("x")), modulus=Const(85912)), }, goal=Ref("Q"), ) ]
COMB
GEOM
COMPUTE
sympy
COUNT_CARTESIAN
[ "COUNT_CARTESIAN" ]
409d7d
antilemma_cartesian_v1
null
2
0
[ "COUNT_CARTESIAN" ]
1
0.001
2026-02-08T09:29:16.139802Z
{ "verified": true, "answer": 27025, "timestamp": "2026-02-08T09:29:16.140345Z" }
c0fd33
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 173, "completion_tokens": 32768 }, "timestamp": "2026-02-24T11:30:00.079Z", "answer": null }, { ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "ok" }, { "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 }
dd3d2f
sequence_count_fib_divisible_v1_1742523217_5528
Let $u$ be the minimum value of $x + y$ over all pairs of positive integers $(x, y)$ such that $xy = 112225$. Let $d$ be the number of positive integers $p$ for which there exists a positive integer $q > p$ such that $pq = 2315250$ and $\gcd(p, q) = 1$. Determine the number of positive integers $n$ such that $1 \le n...
111
graphs = [ Graph( let={ "upper": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Mul(Var("x"), Var("y")), Const(112225)))), expr=Sum(Var("x"), Var("y")))), "d": CountOv...
NT
null
COUNT
sympy
MAX_PRIME_BELOW
[ "COPRIME_PAIRS", "B3" ]
1999ea
sequence_count_fib_divisible_v1
null
7
0
[ "B3", "COPRIME_PAIRS", "MAX_PRIME_BELOW" ]
3
0.084
2026-02-08T11:02:48.220273Z
{ "verified": true, "answer": 111, "timestamp": "2026-02-08T11:02:48.304200Z" }
b1f3f2
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 170, "completion_tokens": 4104 }, "timestamp": "2026-02-14T10:16:31.048Z", "answer": 111 }, { ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "V5", "status": "no" }, { ...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
971f04
comb_catalan_compute_v1_1439011603_2494
Let $n$ be the number of integers $t$ such that $7 \leq t \leq 20$ and there exist integers $a$ and $b$ with $1 \leq a \leq 2$, $1 \leq b \leq 5$, and $t = 5a + 2b$. Let $C_n$ denote the $n$th Catalan number. Compute the remainder when $83461 \cdot C_n$ is divided by $89832$.
72,428
graphs = [ Graph( let={ "_n": Const(89832), "n": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=2)), Geq(left=Va...
COMB
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
comb_catalan_compute_v1
null
3
0
[ "LIN_FORM" ]
1
0.003
2026-02-08T16:50:12.153849Z
{ "verified": true, "answer": 72428, "timestamp": "2026-02-08T16:50:12.156675Z" }
7a4625
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 148, "completion_tokens": 2598 }, "timestamp": "2026-02-17T13:32:11.453Z", "answer": 72428 }, ...
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": "V8_SUM", "s...
{ "lo": -2.38, "mid": 1.74, "hi": 6.59 }
ada22a
v1_endings_v1_1742523217_858
Let $n = 27744$, $p = 7$, and $q = 5$. Let $v_p$ be the largest integer $k$ such that $p^k$ divides $n!$, and let $v_q$ be the largest integer $k$ such that $q^k$ divides $n!$. Compute the remainder when $v_p \cdot v_q$ is divided by $100000$. Find the value of this remainder.
28,151
graphs = [ Graph( let={ "n_val": Const(27744), "p_val": Const(7), "q_val": Const(5), "n_fact": Factorial(Ref("n_val")), "vp": MaxKDivides(target=Ref("n_fact"), base=Ref("p_val")), "vq": MaxKDivides(target=Ref("n_fact"), base=Ref("q_val"...
NT
null
COMPUTE
sympy
V1
[ "V1" ]
dae96f
v1_endings_v1
null
5
null
[ "V1" ]
1
0
2026-02-08T03:18:03.531128Z
{ "verified": true, "answer": 28151, "timestamp": "2026-02-08T03:18:03.531413Z" }
e3fe1b
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 208, "completion_tokens": 862 }, "timestamp": "2026-02-09T23:42:30.644Z", "answer": 42013 }, { ...
1
[ { "lemma": "K16", "status": "no" }, { "lemma": "K5", "status": "same_pattern_wrong" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "MOD_SUB", "status": "n...
{ "lo": 1.69, "mid": 5.03, "hi": 8.38 }
9b0e8f
alg_poly_orbit_count_v1_1218484723_2775
Let $a$ be a non-negative integer with $0 \le a \le 78384$. Define the sequence $N, M, R, S, T$ by: $$ \begin{aligned} N &= (a^2 + a - 31) \bmod 61, \\ M &= (N^2 + N - 31) \bmod 61, \\ R &= (M^2 + M - 31) \bmod 61, \\ S &= (R^2 + R - 31) \bmod 61, \\ T &= (S^2 + S - 31) \bmod 61. \end{aligned} $$ Find the number of suc...
6,425
graphs = [ Graph( let={ "p1": Mod(value=Sum(Pow(Var("a"), Const(2)), Var("a"), Const(-31)), modulus=Const(61)), "p2": Mod(value=Sum(Pow(Ref("p1"), Const(2)), Ref("p1"), Const(-31)), modulus=Const(61)), "p3": Mod(value=Sum(Pow(Ref("p2"), Const(2)), Ref("p2"), Const(-31)), ...
ALG
null
COUNT
sympy
POLY_ORBIT_COUNT
[ "POLY_ORBIT_COUNT" ]
4ad965
alg_poly_orbit_count_v1
null
6
null
[ "POLY_ORBIT_COUNT" ]
1
0.03
2026-02-25T04:29:09.516779Z
{ "verified": true, "answer": 6425, "timestamp": "2026-02-25T04:29:09.546342Z" }
bb2f67
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 299, "completion_tokens": 13296 }, "timestamp": "2026-03-29T06:31:27.800Z", "answer": 6425 }, { "...
1
[ { "lemma": "POLY_ORBIT_COUNT", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": 1.55, "mid": 4.7, "hi": 7.23 }
e35bc5
nt_count_intersection_v1_1915831931_2833
Let $N$ be the number of positive integers $n \leq 60000$ such that the $n$-th Fibonacci number is divisible by $8$. Let $a = 5$ and $b = 14$. Compute the number of positive integers $n_1 \leq N$ such that $n_1$ is divisible by $a$ and $\gcd(n_1, b) = 1$.
857
graphs = [ Graph( let={ "N": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Const(60000)), Divides(divisor=Const(8), dividend=Fibonacci(arg=Var(name='n')))))), "a": Const(5), "b": Const(14), "result": CountOver...
NT
null
COUNT
sympy
COUNT_FIB_DIVISIBLE
[ "COUNT_FIB_DIVISIBLE" ]
66de3c
nt_count_intersection_v1
null
6
0
[ "COUNT_FIB_DIVISIBLE" ]
1
0.748
2026-02-08T17:10:02.053286Z
{ "verified": true, "answer": 857, "timestamp": "2026-02-08T17:10:02.801253Z" }
942221
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": 2073 }, "timestamp": "2026-02-17T20:24:23.577Z", "answer": 857 }, { ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "ok" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MOD_ADD", "sta...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
57fb75
algebra_poly_eval_v1_601307018_6406
Let $m$ be the smallest positive integer $d$ such that $d \mid 1001$. Compute $7m^3 - 4m^2 + 7m - 4$.
2,250
graphs = [ Graph( let={ "_n": Const(7), "m": MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(2)), Divides(divisor=Var("d"), dividend=Const(1001))))), "result": Sum(Mul(Const(7), Pow(Ref("m"), Const(3))), Mul(Const(-4), Pow(Ref("m"), Const(2))),...
NT
null
COMPUTE
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR" ]
bc3776
algebra_poly_eval_v1
null
2
0
[ "MIN_PRIME_FACTOR" ]
1
0.007
2026-03-10T07:04:58.613161Z
{ "verified": true, "answer": 2250, "timestamp": "2026-03-10T07:04:58.619886Z" }
452e25
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 1, "correct": { "strict": false, "boxed": false, "relaxed": true }, "usage": { "prompt_tokens": 152, "completion_tokens": 750 }, "timestamp": "2026-04-19T04:18:06.024Z", "answer": 6 }, { "id...
1
[ { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "V8", "statu...
{ "lo": -5.34, "mid": 1.1, "hi": 7.53 }
476612
comb_bell_compute_v1_1874849503_1250
Let $m = 54$ and $n = 3$. Consider the set of all ordered pairs $(x, y)$ of positive integers such that $x + y = m$. Let $P$ be the set of all values of $xy$ as $(x, y)$ ranges over this set. Let $j$ be a positive integer satisfying $1 \le j \le 9$ and $j^n \le \max(P)$. Let $n$ be the number of such integers $j$. Comp...
21,147
graphs = [ Graph( let={ "_m": Const(54), "_n": Const(3), "n": CountOverSet(set=SolutionsSet(var=Var("j"), condition=And(Geq(Var("j"), Const(1)), Leq(Var("j"), Const(9)), Leq(Pow(Var("j"), Ref("_n")), MaxOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"),...
COMB
null
COMPUTE
sympy
B1
[ "B1/C3" ]
0a705f
comb_bell_compute_v1
null
6
0
[ "B1", "C3" ]
2
0.003
2026-02-08T13:43:36.642534Z
{ "verified": true, "answer": 21147, "timestamp": "2026-02-08T13:43:36.645987Z" }
b606c8
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 225, "completion_tokens": 991 }, "timestamp": "2026-02-10T02:46:57.867Z", "answer": 21147 }, { "i...
1
[ { "lemma": "B1", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "C3", "status": "ok_later" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "V8", "status": "no" }, ...
{ "lo": -4.92, "mid": -2.91, "hi": -0.68 }
852a9c
algebra_poly_eval_v1_458359167_1117
Let $x = 30$. Let $S$ be the set of all ordered pairs $(x, y)$ of positive integers such that $xy = 133225$. Let $T$ be the set of all values $x + y$ where $(x, y) \in S$. Let $m$ be the minimum value in $T$. Let $k$ be the largest integer such that $2^k \leq m$. Compute $6x^2 + kx + 1$.
5,671
graphs = [ Graph( let={ "_m": Const(2), "_n": Const(2), "x": Const(30), "result": Sum(Mul(Const(6), Pow(Ref("x"), Ref("_m"))), Mul(MaxOverSet(set=SolutionsSet(var=Var("k"), condition=Leq(Pow(Ref("_n"), Var("k")), MinOverSet(set=MapOverSet(set=SolutionsSet(var=...
NT
null
COMPUTE
sympy
B3
[ "B3/MAX_VAL" ]
2438e8
algebra_poly_eval_v1
null
4
0
[ "B3", "MAX_VAL" ]
2
0.004
2026-02-08T04:23:17.425878Z
{ "verified": true, "answer": 5671, "timestamp": "2026-02-08T04:23:17.429778Z" }
ba213c
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 214, "completion_tokens": 1079 }, "timestamp": "2026-02-10T16:27:27.756Z", "answer": 5671 }, { "...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "MAX_VAL", "status": "ok_later" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { ...
{ "lo": -3.42, "mid": 1.86, "hi": 7.55 }
573d91
comb_count_derangements_v1_151522320_956
Let $m = 2$ and $n = 17711$. Define $p$ to be the largest prime number such that $m \leq p \leq 9$. Let $D(p)$ denote the number of derangements of $p$ elements, that is, the number of permutations of $p$ elements with no fixed points. Let $s = D(p)$, and let $d_k$ denote the $k$-th decimal digit of $|s|$, where $k=0$...
17,823
graphs = [ Graph( let={ "_m": Const(2), "_n": Const(17711), "n": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Ref("_m")), Leq(Var("n"), Const(9)), IsPrime(Var("n"))))), "result": Subfactorial(arg=Ref(name='n')), "Q": Sum(Su...
NT
COMB
COUNT
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW/MOBIUS_COPRIME" ]
43dda6
comb_count_derangements_v1
digits_weighted_mod
5
0
[ "MAX_PRIME_BELOW", "MOBIUS_COPRIME" ]
2
0.004
2026-02-08T03:41:12.667979Z
{ "verified": true, "answer": 17823, "timestamp": "2026-02-08T03:41:12.672226Z" }
c54f33
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 315, "completion_tokens": 1091 }, "timestamp": "2026-02-18T04:10:03.123Z", "answer": 17823 } ]
2
[ { "lemma": "K15", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "MOBIUS_COPRIME", "status": "ok_later" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "V3", "status": "no" }...
{ "lo": -10, "mid": -6.47, "hi": -2.95 }
68b580
nt_sum_over_divisible_v1_784195855_3260
Let $s$ be the minimum value of $x + y$ over all pairs of positive integers $(x, y)$ such that $x \cdot y = 400$. Let $d$ be the largest prime number $n$ such that $2 \leq n \leq s$. Let $T$ be the set of all positive integers $n$ such that $1 \leq n \leq 84681$ and $n$ is divisible by $d$. Compute the remainder when $...
39,080
graphs = [ Graph( let={ "_n": Const(77416), "upper": Const(84681), "divisor": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(...
NT
null
SUM
sympy
B3
[ "B3/MAX_PRIME_BELOW" ]
f253c0
nt_sum_over_divisible_v1
null
5
0
[ "B3", "MAX_PRIME_BELOW" ]
2
2.769
2026-02-08T06:19:00.841186Z
{ "verified": true, "answer": 39080, "timestamp": "2026-02-08T06:19:03.610464Z" }
00a78b
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 169, "completion_tokens": 3521 }, "timestamp": "2026-02-12T22:29:37.887Z", "answer": 39080 }, ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "K15", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok_later" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "n...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
2b58d8
comb_count_derangements_v1_124444284_8924
Let $n$ be the number of ordered pairs $(i, j)$ with $1 \leq i \leq 3$ and $1 \leq j \leq 3$ such that $\gcd(i, j) = 1$. Compute the number of derangements of $n$ elements.
1,854
graphs = [ Graph( let={ "n": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=Eq(GCD(a=Var("i"), b=Var("j")), Const(1)), domain=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(3)), right=IntegerRange(start=Const(1), end=Const(3))))), "res...
NT
COMB
COUNT
sympy
COUNT_COPRIME_GRID
[ "COUNT_COPRIME_GRID" ]
20ec03
comb_count_derangements_v1
null
4
0
[ "COUNT_COPRIME_GRID" ]
1
0.001
2026-02-08T11:58:58.086237Z
{ "verified": true, "answer": 1854, "timestamp": "2026-02-08T11:58:58.087199Z" }
59c6a4
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": 756 }, "timestamp": "2026-02-14T22:03:41.343Z", "answer": 1854 }, { ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "ok" }, { "lemma": "DS2", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "V5", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
3c260f
nt_count_divisible_v1_1431428450_1008
Let $A$ be the set of all positive integers $n$ such that $n \leq 75076$ and $n$ is divisible by 27. Let $r$ be the number of elements in $A$. Compute the Bell number $B_k$, where $k = r \bmod p$, and $p$ is the largest prime number satisfying $2 \leq p \leq 11$.
4,140
graphs = [ Graph( let={ "upper": Const(75076), "divisor": Const(27), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("upper")), Eq(Mod(value=Var("n"), modulus=Ref("divisor")), Const(0))))), "Q": Be...
NT
COMB
COUNT
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW" ]
88ea9c
nt_count_divisible_v1
bell_mod
3
0
[ "MAX_PRIME_BELOW" ]
1
2.492
2026-02-08T13:50:57.876845Z
{ "verified": true, "answer": 4140, "timestamp": "2026-02-08T13:51:00.368782Z" }
a564d2
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 132, "completion_tokens": 878 }, "timestamp": "2026-02-15T21:29:38.447Z", "answer": 4140 }, { ...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "MOD_MUL", "st...
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
3d5397
modular_min_linear_v1_1742523217_1248
Let $m = 87494$, $a = 81211$, $b = 81378$, and $n = 72064$. Let $x_0$ be the smallest positive integer $x$ such that $1 \leq x \leq m$ and $ax \equiv b \pmod{m}$. Compute the value of $$ x_0 + \left(2^{x_0 \bmod 15}\right) \bmod n. $$
31,948
graphs = [ Graph( let={ "_n": Const(72064), "a": Const(81211), "b": Const(81378), "m": Const(87494), "result": MinOverSet(set=SolutionsSet(var=Var("x"), condition=And(Geq(Var("x"), Const(1)), Leq(Var("x"), Ref("m")), Eq(Mod(value=Mul(Ref("a"), Var(...
NT
null
EXTREMUM
sympy
SUM_ARITHMETIC
[ "SUM_ARITHMETIC" ]
129eee
modular_min_linear_v1
mod_exp
6
0
[ "SUM_ARITHMETIC" ]
1
4.438
2026-02-08T03:34:41.885970Z
{ "verified": true, "answer": 31948, "timestamp": "2026-02-08T03:34:46.323939Z" }
76d1d7
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 212, "completion_tokens": 3130 }, "timestamp": "2026-02-10T05:40:02.571Z", "answer": 57394 }, { ...
1
[ { "lemma": "K14", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "SUM_ARITHMETIC", "status": "ok" } ]
{ "lo": 1.71, "mid": 5.04, "hi": 8.38 }
e040cf
nt_num_divisors_compute_v1_124444284_5574
Let $n$ be the number of positive integers $p$ for which there exists a positive integer $q$ such that $pq = 72$, $\gcd(p, q) = 1$, and $p < q$. Determine the value of the number of positive divisors of $n$.
2
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=72)), Eq(left=GCD(a=Var(name='p'), b=Var(name='q')), right=Const(value=1)), L...
NT
null
COMPUTE
sympy
MIN_PRIME_FACTOR
[ "COPRIME_PAIRS" ]
2bb3aa
nt_num_divisors_compute_v1
null
4
0
[ "COPRIME_PAIRS", "MIN_PRIME_FACTOR" ]
2
0.036
2026-02-08T06:43:04.185325Z
{ "verified": true, "answer": 2, "timestamp": "2026-02-08T06:43:04.221573Z" }
9a76c6
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 1, "correct": { "strict": false, "boxed": false, "relaxed": true }, "usage": { "prompt_tokens": 121, "completion_tokens": 348 }, "timestamp": "2026-02-15T17:42:55.677Z", "answer": 4 }, { "id": 11, ...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "K15", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V8_SUM", "status": "...
{ "lo": -7.01, "mid": -4.68, "hi": -2.15 }
9661a9
comb_count_permutations_fixed_v1_1439011603_2863
Let $n=8$ and $k=2$. Let $!m$ denote the number of permutations of $m$ elements with no fixed points. Define $$Q = \binom{n}{k}\, !(n-k).$$ Compute $Q$.
7,420
graphs = [ Graph( let={ "n": Const(8), "k": Const(2), "result": Mul(Binom(n=Ref("n"), k=Ref("k")), Subfactorial(arg=Sub(left=Ref(name='n'), right=Ref(name='k')))), }, goal=Ref("result"), ) ]
COMB
null
COUNT
sympy
SUM_ARITHMETIC
[ "SUM_ARITHMETIC/B1/B3", "ONE_PHI_2" ]
a1ddc3
comb_count_permutations_fixed_v1
null
2
0
[ "B1", "B3", "ONE_PHI_2", "SUM_ARITHMETIC" ]
4
0.022
2026-02-08T17:03:02.657602Z
{ "verified": true, "answer": 7420, "timestamp": "2026-02-08T17:03:02.679402Z" }
b8ef36
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": 687 }, "timestamp": "2026-02-17T17:47:15.442Z", "answer": 7420 }, { ...
1
[ { "lemma": "B1", "status": "ok_later" }, { "lemma": "B3", "status": "ok_later" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "ONE_PH...
{ "lo": -5.64, "mid": -3.17, "hi": -0.81 }
a73dcd
algebra_poly_eval_v1_1918700295_1927
Let $d$ be the smallest integer greater than or equal to $2$ that divides $77$. Compute the value of $8d^3 - 2d^2 + 10d + 2$.
2,718
graphs = [ Graph( let={ "_n": Const(2), "a": MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Ref("_n")), Divides(divisor=Var("d"), dividend=Const(77))))), "result": Sum(Mul(Const(8), Pow(Ref("a"), Const(3))), Mul(Const(-2), Pow(Ref("a"), Const(2))), ...
NT
null
COMPUTE
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR" ]
bc3776
algebra_poly_eval_v1
null
2
0
[ "MIN_PRIME_FACTOR" ]
1
0.002
2026-02-08T06:11:10.111263Z
{ "verified": true, "answer": 2718, "timestamp": "2026-02-08T06:11:10.113323Z" }
084dcc
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 91, "completion_tokens": 471 }, "timestamp": "2026-02-13T11:21:28.300Z", "answer": 2718 }, { ...
1
[ { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "MOD_ADD", ...
{ "lo": -7.01, "mid": -4.68, "hi": -2.15 }
5d6249
antilemma_sum_equals_v1_677425708_3831
Let $m = 2$ and $n = 65$. Define $x$ to be the number of ordered pairs $(i, j)$ of positive integers such that $i + j = n$, $1 \leq i \leq 63$, and $1 \leq j \leq 64$. Let $A$ be the sum $$ \sum_{i=0}^{d-1} \left( \text{the } i\text{-th digit of } |x| \right) \cdot (i+1)^m, $$ where $d$ is the number of decimal digits...
3,871
graphs = [ Graph( let={ "_m": Const(2), "_n": Const(65), "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(63)), right=IntegerR...
COMB
GEOM
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM", "COUNT_SUM_EQUALS" ]
3bc3e0
antilemma_sum_equals_v1
digits_weighted_mod
4
0
[ "COUNT_SUM_EQUALS", "LIN_FORM" ]
2
0.006
2026-02-08T05:57:18.855202Z
{ "verified": true, "answer": 3871, "timestamp": "2026-02-08T05:57:18.861510Z" }
95c1e7
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 334, "completion_tokens": 32768 }, "timestamp": "2026-02-24T05:11:49.726Z", "answer": null }, { ...
1
[ { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": ...
{ "lo": 3.43, "mid": 5.73, "hi": 8.84 }
24c792
nt_count_divisible_and_v1_1978505735_5564
Let $S$ be the set of all positive integers $n$ such that $1 \leq n \leq 77940$, $n \equiv r \pmod{10}$, and $n \equiv 0 \pmod{15}$, where $$ r = \sum_{k=0}^{2} (-1)^k \binom{2}{k} \quad \text{and} \quad s = \sum_{k_1=0}^{8} (-1)^{k_1} \binom{8}{k_1}, $$ but with $r$ taken as $s$ modulo $10$. Find the number of eleme...
2,598
graphs = [ Graph( let={ "upper": Const(77940), "d1": Const(10), "d2": Const(15), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("upper")), Eq(Mod(value=Var("n"), modulus=Ref("d1")), Summation(var=...
COMB
null
COUNT
sympy
BINOMIAL_ALTERNATING
[ "BINOMIAL_ALTERNATING" ]
c21569
nt_count_divisible_and_v1
null
5
0
[ "BINOMIAL_ALTERNATING" ]
1
6.145
2026-02-08T19:05:01.550982Z
{ "verified": true, "answer": 2598, "timestamp": "2026-02-08T19:05:07.695502Z" }
5a1cd3
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": 1498 }, "timestamp": "2026-02-18T21:18:20.300Z", "answer": 2598 }, {...
1
[ { "lemma": "BINOMIAL_ALTERNATING", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "...
{ "lo": -5.39, "mid": -2.64, "hi": 0.63 }
0c0826
geo_count_lattice_rect_v1_655260480_4203
Let $a = 128$ and $b = 57$. The number of lattice points in the rectangle $[0, a] \times [0, b]$ is denoted by $r$. Compute $13 \cdot r$.
97,266
graphs = [ Graph( let={ "a": Const(128), "b": Const(57), "result": LatticePointsRect(a=Ref(name='a'), b=Ref(name='b')), "_c": Const(13), "Q": Mul(Ref("_c"), Ref("result")), }, goal=Ref("Q"), ) ]
GEOM
null
COUNT
sympy
[]
geo_count_lattice_rect_v1
null
3
0
null
null
0.005
2026-02-08T17:48:05.644591Z
{ "verified": true, "answer": 97266, "timestamp": "2026-02-08T17:48:05.649392Z" }
a49634
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 95, "completion_tokens": 551 }, "timestamp": "2026-02-18T08:42:19.557Z", "answer": 97266 }, { ...
1
[]
{ "lo": -8, "mid": -4.75, "hi": -2.28 }
0b243f
comb_count_partitions_v1_1520064083_3978
Let $m$ be the number of positive integers $p$ for which there exists a positive integer $q$ such that $pq = 36$, $\gcd(p, q) = 1$, and $p < q$. Let $n$ be the number of positive integers $t$ such that $36 \le t \le 231$ and $t = 15a + 21b$ for some integers $a$ and $b$ with $1 \le a \le 7$ and $1 \le b \le 6$. Let $n_...
44,583
graphs = [ Graph( let={ "_m": CountOverSet(set=SolutionsSet(var=Var("p"), condition=And(IsPositive(arg=Var(name='p')), Exists(var=Var(name='q'), condition=And(Eq(left=Mul(Var(name='p'), Var(name='q')), right=Const(value=36)), Eq(left=GCD(a=Var(name='p'), b=Var(name='q')), right=Const(value=1)), ...
NT
COMB
COUNT
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS/LIN_FORM/MAX_PRIME_BELOW" ]
56a8ee
comb_count_partitions_v1
null
6
0
[ "COPRIME_PAIRS", "LIN_FORM", "MAX_PRIME_BELOW" ]
3
0.003
2026-02-08T05:59:51.243750Z
{ "verified": true, "answer": 44583, "timestamp": "2026-02-08T05:59:51.246442Z" }
964967
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 196, "completion_tokens": 2979 }, "timestamp": "2026-02-12T18:03:05.872Z", "answer": 44583 }, ...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok_later" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok_later" }, { "lemma": "MOD_F...
{ "lo": -3.51, "mid": 1.33, "hi": 6.56 }
16c944
comb_count_derangements_v1_124444284_10121
Let $n$ be the number of positive integers $p$ such that $p < q$, $\gcd(p, q) = 1$, and $pq = 617400$ for some positive integer $q$. Compute the value of the subfactorial of $n$, denoted $!n$, which counts the number of derangements of $n$ elements.
14,833
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=617400)), Eq(left=GCD(a=Var(name='p'), b=Var(name='q')), right=Const(value=1)...
NT
COMB
COUNT
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS" ]
2bb3aa
comb_count_derangements_v1
null
6
0
[ "COPRIME_PAIRS" ]
1
0.001
2026-02-08T12:50:10.949822Z
{ "verified": true, "answer": 14833, "timestamp": "2026-02-08T12:50:10.950681Z" }
0b2e00
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 122, "completion_tokens": 1898 }, "timestamp": "2026-02-15T06:23:50.628Z", "answer": 14833 }, ...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "V5", "status": "no" }, { "lemma": "V8_SUM", "status...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
429289
sequence_fibonacci_compute_v1_1918700295_4410
Let $m = 3$, and let $s = \sum_{k=1}^{m} k$. Define $n = \sum_{k=1}^{s} k$. Compute the $n$-th Fibonacci number, where the Fibonacci sequence is defined by $F_1 = 1$, $F_2 = 1$, and $F_k = F_{k-1} + F_{k-2}$ for $k \geq 3$.
10,946
graphs = [ Graph( let={ "_m": Const(3), "_n": Summation(var="k", start=Const(1), end=Ref("_m"), expr=Var("k")), "n": Summation(var="k", start=Const(1), end=Ref("_n"), expr=Var("k")), "result": Fibonacci(arg=Ref(name='n')), }, goal=Ref("result")...
NT
null
COMPUTE
sympy
SUM_ARITHMETIC
[ "SUM_ARITHMETIC/SUM_ARITHMETIC" ]
2a57af
sequence_fibonacci_compute_v1
null
2
0
[ "SUM_ARITHMETIC" ]
1
0.001
2026-02-08T09:21:46.549916Z
{ "verified": true, "answer": 10946, "timestamp": "2026-02-08T09:21:46.550803Z" }
0d9e57
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 143, "completion_tokens": 456 }, "timestamp": "2026-02-14T03:16:43.783Z", "answer": 10946 }, {...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "SUM_ARITHMETIC", "status": "ok" }, { "lemma": "V1", "status": "no" } ]
{ "lo": -9.12, "mid": -6.02, "hi": -3.62 }
187fc0
comb_count_derangements_v1_655260480_3391
Let $n = 7$. Define $d_n$ to be the number of derangements of $n$ distinct objects. Compute the remainder when $99985 \cdot d_n$ is divided by $75412$.
9,494
graphs = [ Graph( let={ "n": Const(7), "result": Subfactorial(arg=Ref(name='n')), "Q": Mod(value=Mul(Const(99985), Ref("result")), modulus=Const(75412)), }, goal=Ref("Q"), ) ]
COMB
null
COUNT
sympy
BINOMIAL_ALTERNATING
[ "BINOMIAL_ALTERNATING", "VIETA_SUM" ]
4b11a6
comb_count_derangements_v1
null
2
0
[ "BINOMIAL_ALTERNATING", "VIETA_SUM" ]
2
0.021
2026-02-08T17:21:39.989079Z
{ "verified": true, "answer": 9494, "timestamp": "2026-02-08T17:21:40.009829Z" }
df995c
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 92, "completion_tokens": 1666 }, "timestamp": "2026-02-18T00:52:11.165Z", "answer": 9494 }, { ...
1
[ { "lemma": "BINOMIAL_ALTERNATING", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8_SUM", "st...
{ "lo": -2.38, "mid": 1.74, "hi": 6.59 }
8ea081
diophantine_fbi2_count_v1_124444284_6505
Let $n = 3$. Let $k$ be the minimum value of $x + y$ over all pairs of positive integers $(x, y)$ such that $xy = 32400$. Let $T$ be the set of all integers $t$ for which there exist positive integers $a \leq 22$ and $b \leq 5$ such that $t = 9a + 21b$ and $30 \leq t \leq 303$. Let $c$ be the number of elements in $T$....
16
graphs = [ Graph( let={ "_n": Const(3), "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")))), ...
NT
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM", "B3" ]
688dbe
diophantine_fbi2_count_v1
null
7
0
[ "B3", "LIN_FORM" ]
2
0.008
2026-02-08T08:29:40.340394Z
{ "verified": true, "answer": 16, "timestamp": "2026-02-08T08:29:40.348759Z" }
d4ab87
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 211, "completion_tokens": 3517 }, "timestamp": "2026-02-13T19:01:02.453Z", "answer": 16 }, { ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "K15", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "V8",...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
5a4e62
diophantine_product_count_v1_1520064083_7393
Let $n = 8836$. Define $s$ to be the minimum value of $x + y$ over all ordered pairs $(x, y)$ of positive integers such that $xy = n$. Let $T$ be the set of all ordered pairs $(i, j)$ with $1 \leq i \leq 186$ and $1 \leq j \leq 187$ such that $i + j = s$. Let $u$ be the number of elements in $T$. Now consider the set o...
20
graphs = [ Graph( let={ "_n": Const(8836), "k": Const(420), "upper": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=Eq(Sum(Var("i"), Var("j")), MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), conditio...
NT
null
COUNT
sympy
LIN_FORM
[ "B3/COUNT_SUM_EQUALS" ]
63dc97
diophantine_product_count_v1
null
6
0
[ "B3", "COUNT_SUM_EQUALS", "LIN_FORM" ]
3
3.271
2026-02-08T09:00:32.225295Z
{ "verified": true, "answer": 20, "timestamp": "2026-02-08T09:00:35.496387Z" }
30560d
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 199, "completion_tokens": 2050 }, "timestamp": "2026-02-13T23:32:37.184Z", "answer": 20 }, { ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok_later" }, { "lemma": "K18", "status": "no" }, { "lemma": "MAX_VAL", ...
{ "lo": -5.55, "mid": -3.01, "hi": 0.32 }
9fa767
comb_count_surjections_v1_865884756_1323
Let $n$ be the number of ordered pairs $(x_1, x_2)$ of positive odd integers such that $x_1 + x_2 = 12$. Compute the value of $$ (44121 \cdot (2! \cdot S(n, 2))) \bmod 59834, $$ where $S(n, k)$ denotes the Stirling number of the second kind.
42,972
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(12))))), "k":...
COMB
null
COUNT
sympy
COMB1
[ "COMB1" ]
567f58
comb_count_surjections_v1
null
4
0
[ "COMB1" ]
1
0.003
2026-02-08T15:57:12.479674Z
{ "verified": true, "answer": 42972, "timestamp": "2026-02-08T15:57:12.482343Z" }
0f9b41
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 198, "completion_tokens": 1300 }, "timestamp": "2026-02-24T19:13:19.021Z", "answer": 42972 }, { ...
1
[ { "lemma": "COMB1", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "s...
{ "lo": -2.4, "mid": 1.57, "hi": 5.75 }
08441e
geo_visible_lattice_v1_1520064083_7204
Let $n = 64$. Define $L$ to be the number of ordered pairs $(x,y)$ of positive integers such that $1 \leq x, y \leq n$ and $\gcd(x,y) = 1$. Compute the remainder when $44121 \cdot L$ is divided by $86446$.
57,689
graphs = [ Graph( let={ "n": Const(64), "result": VisibleLatticePoints(n=Ref(name='n')), "Q": Mod(value=Mul(Const(44121), Ref("result")), modulus=Const(86446)), }, goal=Ref("Q"), ) ]
GEOM
null
COUNT
sympy
[]
geo_visible_lattice_v1
null
4
0
null
null
0.092
2026-02-08T08:50:36.841708Z
{ "verified": true, "answer": 57689, "timestamp": "2026-02-08T08:50:36.933274Z" }
e8e248
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 181, "completion_tokens": 6933 }, "timestamp": "2026-02-24T10:04:13.324Z", "answer": 57689 }, { "...
1
[]
{ "lo": 1.15, "mid": 4.18, "hi": 6.61 }
dcda22
algebra_vieta_sum_v1_655260480_4679
Let $n = 2$. Define $f(x) = x^n - 11x + c$, where $c$ is the number of integers $t$ in the range $21 \leq t \leq 84$ such that $t = 6a + 15b$ for some integers $a$ and $b$ with $1 \leq a \leq 9$ and $1 \leq b \leq 2$. Compute the sum of all integers $x$ such that $f(x) = 0$.
11
graphs = [ Graph( let={ "_n": Const(2), "result": SumOverSet(set=SolutionsSet(var=Var("x"), condition=Eq(Sum(Pow(Var("x"), Ref("_n")), Mul(Const(-11), Var("x")), CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condit...
NT
null
COMPUTE
sympy
COPRIME_PAIRS
[ "LIN_FORM" ]
7b2633
algebra_vieta_sum_v1
null
5
0
[ "COPRIME_PAIRS", "LIN_FORM" ]
2
0.012
2026-02-08T18:03:12.762102Z
{ "verified": true, "answer": 11, "timestamp": "2026-02-08T18:03:12.774275Z" }
cf2954
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 158, "completion_tokens": 932 }, "timestamp": "2026-02-18T12:41:59.054Z", "answer": 11 }, { ...
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": -7.08, "mid": -0.29, "hi": 6.49 }
84139d
comb_count_derangements_v1_124444284_110
Let $n$ be the largest prime number less than or equal to $1 + 2 + 3 + 4$. Let $d_n$ denote the number of derangements of $n$ elements. Compute the remainder when $44121 \cdot d_n$ is divided by $61123$.
17,760
graphs = [ Graph( let={ "_n": Const(44121), "n": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Summation(var="k", start=Const(1), end=Const(4), expr=Var("k"))), IsPrime(Var("n"))))), "result": Subfactorial(arg=Ref(name='n')...
NT
COMB
COUNT
sympy
SUM_ARITHMETIC
[ "SUM_ARITHMETIC/MAX_PRIME_BELOW" ]
bde608
comb_count_derangements_v1
null
5
0
[ "MAX_PRIME_BELOW", "SUM_ARITHMETIC" ]
2
0.001
2026-02-08T02:59:05.493132Z
{ "verified": true, "answer": 17760, "timestamp": "2026-02-08T02:59:05.494546Z" }
de204b
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 177, "completion_tokens": 8136 }, "timestamp": "2026-02-09T13:45:55.543Z", "answer": 17760 }, { "...
1
[ { "lemma": "K13", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok_later" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "SUM_ARITHMETIC", "status"...
{ "lo": -3.55, "mid": 0.8, "hi": 4.81 }
a2fa40
nt_min_coprime_above_v1_349078426_914
Let $n$ be the number of ordered pairs $(p, q)$ of positive integers such that $pq = 54$, $\gcd(p, q) = 1$, and $p < q$. Let $r$ be the smallest integer greater than $85264$ and at most $85709$ such that $\gcd(r, 435) = 1$. Let $T$ be the set of all ordered pairs $(x, y)$ of positive integers such that $xy = 6002500$. ...
46,403
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=54)), Eq(left=GCD(a=Var(name='p'), b=Var(name='q')), right=Const(value=1)), ...
NT
null
EXTREMUM
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS/B3" ]
f85381
nt_min_coprime_above_v1
quadratic_mod
6
0
[ "B3", "COPRIME_PAIRS" ]
2
0.056
2026-02-08T13:20:14.501016Z
{ "verified": true, "answer": 46403, "timestamp": "2026-02-08T13:20:14.557471Z" }
bbef28
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 198, "completion_tokens": 2510 }, "timestamp": "2026-02-15T13:21:48.609Z", "answer": 46403 }, ...
1
[ { "lemma": "B3", "status": "ok_later" }, { "lemma": "C2", "status": "no" }, { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "K13", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": ...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
e7d106
antilemma_sum_equals_v1_238844314_519
Let $x$ be the number of ordered pairs $(i,j)$ of positive integers such that $i + j = 100$ and $1 \leq i, j \leq 98$. Compute the value of $$\sum_{i=0}^{\lfloor \log_{10} |x| \rfloor} \left( \text{digit}_i(x) \cdot (i+1)^2 \right) + 88,$$ where $\text{digit}_i(x)$ denotes the $i$th decimal digit of $x$ (starting from ...
131
graphs = [ Graph( let={ "x": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=Eq(Sum(Var("i"), Var("j")), Const(100)), domain=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(98)), right=IntegerRange(start=Const(1), end=Const(98))))), "Q":...
COMB
GEOM
COMPUTE
sympy
COUNT_SUM_EQUALS
[ "COUNT_SUM_EQUALS" ]
75ab0f
antilemma_sum_equals_v1
null
5
0
[ "COUNT_SUM_EQUALS" ]
1
0.004
2026-02-08T13:23:12.595489Z
{ "verified": true, "answer": 131, "timestamp": "2026-02-08T13:23:12.599547Z" }
3208d4
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 241, "completion_tokens": 559 }, "timestamp": "2026-02-24T17:54:17.591Z", "answer": 131 }, { "id"...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status":...
{ "lo": -7.18, "mid": -5, "hi": -3.01 }
9fc468
geo_count_lattice_triangle_v1_1218484723_822
Let $M = \left|180 \cdot 120 + 36 \cdot (-222)\right|$, $P = \left|\{ (a, b) : 1 \leq a, b \leq 40,\ 25b^2 -18ab + 10a^2 \leq 2825 \}\right|$, and $$ R = \gcd(180, P) + \gcd(|36 - 180|, |120 - 222|) + \gcd(|0 - 36|, |0 - 120|). $$ Let $S = \frac{M + 2 - R}{2}$ and $Q = |S|$. Compute $Q$.
6,793
graphs = [ Graph( let={ "_n": Const(36), "area_2x": Abs(arg=Sum(Mul(Const(value=180), Const(value=120)), Mul(Const(value=36), Sub(left=Const(value=0), right=Const(value=222))))), "boundary": Sum(GCD(a=Abs(arg=Const(value=180)), b=Abs(arg=CountOverSet(set=SolutionsSet(var=...
GEOM
NT
COUNT
sympy
QF_PSD_COUNT_LEQ
[ "QF_PSD_COUNT_LEQ" ]
009d0f
geo_count_lattice_triangle_v1
null
4
0
[ "QF_PSD_COUNT_LEQ" ]
1
0.009
2026-02-25T02:32:43.225263Z
{ "verified": true, "answer": 6793, "timestamp": "2026-02-25T02:32:43.234184Z" }
e63d9a
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 267, "completion_tokens": 31704 }, "timestamp": "2026-03-10T02:05:37.734Z", "answer": 6795 }, { ...
1
[ { "lemma": "QF_PSD_COUNT_LEQ", "status": "ok" } ]
{ "lo": 1.22, "mid": 3.76, "hi": 5.73 }
d843e0
nt_count_coprime_v1_1742523217_3019
Let $\displaystyle k = \sum_{k=1}^{7} \phi(k) \left\lfloor \frac{7}{k} \right\rfloor$. Let $\text{result}$ be the number of positive integers $n \leq 50000$ such that $\gcd(n, k) = 1$. Compute the remainder when $25307 \cdot \text{result}$ is divided by $72288$.
71,415
graphs = [ Graph( let={ "_n": Const(25307), "upper": Const(50000), "k": Summation(var="k", start=Const(1), end=Const(7), expr=Mul(EulerPhi(n=Var("k")), Floor(Div(Const(7), Var("k"))))), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Va...
NT
null
COUNT
sympy
K2
[ "K2" ]
6897ab
nt_count_coprime_v1
null
5
0
[ "K2" ]
1
4.409
2026-02-08T05:29:54.679651Z
{ "verified": true, "answer": 71415, "timestamp": "2026-02-08T05:29:59.088299Z" }
059f2a
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": 2554 }, "timestamp": "2026-02-12T11:40:19.371Z", "answer": 71415 }, ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "L3b", "status": "no" }, { "lemma": "V5", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
48a7a9
nt_count_coprime_v1_1915831931_134
Let $A$ be the number of positive integers $n$ such that $1 \leq n \leq 16384$ and $\gcd(n, 10) = 1$. Let $B$ be the largest prime number at most $20$. Let $C$ be the minimum value of $x + y$ over all ordered pairs $(x, y)$ of positive integers such that $xy = 225$. Compute the remainder when $A^2 + B \cdot A + C$ is d...
59,915
graphs = [ Graph( let={ "_m": Const(20), "_n": Const(2), "upper": Const(16384), "k": Const(10), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("upper")), Eq(GCD(a=Var("n"), b=Ref("k"))...
NT
null
COUNT
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW", "B3" ]
73b6e3
nt_count_coprime_v1
quadratic_mod
5
0
[ "B3", "MAX_PRIME_BELOW" ]
2
1.311
2026-02-08T15:12:08.044541Z
{ "verified": true, "answer": 59915, "timestamp": "2026-02-08T15:12:09.355164Z" }
1f2767
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 156, "completion_tokens": 1173 }, "timestamp": "2026-02-16T01:52:32.722Z", "answer": 59915 }, ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma":...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
d02b5f
comb_catalan_compute_v1_48377204_3058
Let $S$ be the set of all integers $t$ such that $17 \leq t \leq 41$ and there exist integers $a$ and $b$ with $1 \leq a \leq 3$, $1 \leq b \leq 4$, and $t = 6a + 4b + 7$. Let $n$ be the number of elements in $S$. Find the $n$-th Catalan number.
58,786
graphs = [ Graph( let={ "n": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=3)), Geq(left=Var(name='b'), right=Const(value=1...
COMB
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
comb_catalan_compute_v1
null
4
0
[ "LIN_FORM" ]
1
0.003
2026-02-08T17:09:18.315479Z
{ "verified": true, "answer": 58786, "timestamp": "2026-02-08T17:09:18.318729Z" }
bdad0d
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 141, "completion_tokens": 1895 }, "timestamp": "2026-02-17T20:35:44.655Z", "answer": 58786 }, ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8_SUM", "status": "no" ...
{ "lo": -2.38, "mid": 1.74, "hi": 6.59 }
24a462
nt_count_divisible_v1_458359167_107
Let $S$ be the set of all positive integers $p$ for which there exists a positive integer $q$ such that $p \cdot q = 54$, $\gcd(p, q) = 1$, and $p < q$. Let $d = |S|$. Determine the number of positive integers $n$ such that $1 \leq n \leq 66666$ and $n$ is divisible by $d$. Compute this number.
33,333
graphs = [ Graph( let={ "upper": Const(66666), "divisor": 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=54)), Eq(left=GCD(a=Var(name='p'), b...
NT
null
COUNT
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS" ]
2bb3aa
nt_count_divisible_v1
null
4
0
[ "COPRIME_PAIRS" ]
1
2.064
2026-02-08T02:59:30.507570Z
{ "verified": true, "answer": 33333, "timestamp": "2026-02-08T02:59:32.571112Z" }
df616b
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": 937 }, "timestamp": "2026-02-10T12:30:41.156Z", "answer": 33333 }, { "i...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "V7", "status": "no" ...
{ "lo": -7.01, "mid": -4.68, "hi": -2.15 }
04f353
nt_count_digit_sum_v1_1742523217_1093
Let $m=93997$. Let $u$ be the least value of $x+y$ over all ordered pairs $(x,y)$ of positive integers such that $xy=3956121$. Let $n$ be the greatest integer $d$ such that $1\le d\le u$ and $d$ divides $15923934$. Let $U=84681$ and let $R$ be the number of integers $t$ with $1\le t\le U$ whose sum of decimal digits ...
1,633
graphs = [ Graph( let={ "_m": Const(93997), "_n": MaxOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(1)), Leq(Var("d"), MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositiv...
NT
null
COUNT
sympy
B3
[ "B3/MAX_DIVISOR/MAX_PRIME_BELOW" ]
557a87
nt_count_digit_sum_v1
affine_mod
6
0
[ "B3", "MAX_DIVISOR", "MAX_PRIME_BELOW" ]
3
2.983
2026-02-08T03:25:04.384490Z
{ "verified": true, "answer": 1633, "timestamp": "2026-02-08T03:25:07.367203Z" }
bc1686
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 269, "completion_tokens": 6833 }, "timestamp": "2026-02-09T10:58:50.100Z", "answer": 1633 }, { "...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "MAX_DIVISOR", "status": "ok_later" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok_later" }, { "lemma": "MOD_FACTORIAL"...
{ "lo": -3.42, "mid": 1.86, "hi": 7.55 }
e616d9
modular_count_residue_v1_397696148_959
Let $ S $ be the set of all integers $ t $ such that $ 33 \leq t \leq 921 $ and there exist positive integers $ a $ and $ b $ with $ 1 \leq a \leq 25 $, $ 1 \leq b \leq 33 $, and $ t = 21a + 12b $. Let $ m $ be the number of positive integers $ n $ at most $ |S| $ such that $ 9 $ divides $ n $ and $ \gcd\left(n, \min\{...
2,289
graphs = [ Graph( let={ "upper": Const(32041), "m": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(l...
NT
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM/C5", "B3/C5" ]
90bb65
modular_count_residue_v1
null
7
0
[ "B3", "C5", "LIN_FORM" ]
3
1.094
2026-02-08T11:58:11.021095Z
{ "verified": true, "answer": 2289, "timestamp": "2026-02-08T11:58:12.115272Z" }
4181ae
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 217, "completion_tokens": 5282 }, "timestamp": "2026-02-14T23:44:44.088Z", "answer": 2289 }, {...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "C5", "status": "ok_later" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "...
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
d37326
sequence_fibonacci_compute_v1_1978505735_4293
Let $T$ be the set of all integers $t$ such that $28 \leq t \leq 109$ and there exist integers $a$, $b$ with $1 \leq a \leq 6$, $1 \leq b \leq 4$, and $t = 9a + 12b + 7$. Let $n$ be the number of elements in $T$. Let $F_n$ denote the $n$th Fibonacci number, defined by $F_1 = 1$, $F_2 = 1$, and $F_k = F_{k-1} + F_{k-2}...
15,399
graphs = [ Graph( let={ "_n": Const(31053), "n": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=6)), Geq(left=Va...
NT
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
sequence_fibonacci_compute_v1
null
4
0
[ "LIN_FORM" ]
1
0.003
2026-02-08T18:08:36.834487Z
{ "verified": true, "answer": 15399, "timestamp": "2026-02-08T18:08:36.837807Z" }
ec772d
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 208, "completion_tokens": 2389 }, "timestamp": "2026-02-18T14:37:48.071Z", "answer": 15399 }, ...
1
[ { "lemma": "K18", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "V3", "status": "no" }, { "lemma": "V5", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
9e2c6c_n
geo_count_lattice_rect_v1_1218484723_375
A city grid spans from the origin to the point $(333, 86)$, with streets laid out along integer coordinates. Each intersection is a lattice point. How many intersections lie within or on the boundary of this rectangular region?
29,058
GEOM
GEOM
COUNT
sympy
[]
geo_count_lattice_rect_v1
null
2
null
null
null
0.001
2026-02-25T02:04:35.005906Z
null
38cca0
9e2c6c
narrative
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 156, "completion_tokens": 281 }, "timestamp": "2026-03-30T15:25:04.645Z", "answer": 29058 }, { "i...
1
[]
{ "lo": -5.37, "mid": 0.23, "hi": 5.22 }
b77845
modular_inverse_v1_458359167_709
Let $a = 173$. Let $m$ be the smallest divisor of $1053924187$ that is greater than or equal to $2$. Compute the smallest positive integer $x$ such that $x \leq 1012$ and $$173x \equiv 1 \pmod{m}.$$
527
graphs = [ Graph( let={ "a": Const(173), "m": MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(2)), Divides(divisor=Var("d"), dividend=Const(1053924187))))), "upper": Const(1012), "result": MinOverSet(set=SolutionsSet(var=Var("x"), c...
NT
null
EXTREMUM
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR" ]
bc3776
modular_inverse_v1
null
5
0
[ "MIN_PRIME_FACTOR" ]
1
0.043
2026-02-08T03:30:48.795113Z
{ "verified": true, "answer": 527, "timestamp": "2026-02-08T03:30:48.837791Z" }
e7daad
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 177, "completion_tokens": 13088 }, "timestamp": "2026-02-23T20:11:13.243Z", "answer": 527 }, { "...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "V7", "status": "no"...
{ "lo": -3.45, "mid": 1.18, "hi": 5.72 }
e2c86b
antilemma_coprime_grid_v1_548369836_215
Compute the number of ordered pairs $(i, j)$ with $1 \leq i \leq 13$ and $1 \leq j \leq 19$ such that $\gcd(i, j) = \varphi(1)$.
166
graphs = [ Graph( let={ "x": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=Eq(GCD(a=Var("i"), b=Var("j")), EulerPhi(n=Const(1))), domain=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(13)), right=IntegerRange(start=Const(1), end=Const(19))))), ...
NT
COMB
COMPUTE
sympy
COUNT_COPRIME_GRID
[ "COUNT_COPRIME_GRID", "ONE_PHI_1" ]
3d404c
antilemma_coprime_grid_v1
null
3
0
[ "COUNT_COPRIME_GRID", "ONE_PHI_1" ]
2
0.001
2026-02-08T02:49:19.781268Z
{ "verified": true, "answer": 166, "timestamp": "2026-02-08T02:49:19.781799Z" }
4d2bba
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": 2394 }, "timestamp": "2026-02-08T20:15:17.582Z", "answer": 166 }, { "id...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "ok" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "ONE_PHI_1", "status": "ok" }, { "lemma": "V3", "status":...
{ "lo": -1.92, "mid": 1.69, "hi": 4.67 }
08c54c
modular_mod_compute_v1_48377204_1379
Let $n = 2$. Let $a$ be the number of nonnegative integers $j$ such that $0 \leq j \leq 65479$ and $\binom{65479}{j} \equiv 1 \pmod{n}$. Let $m = 61009$. Compute the remainder when $a$ is divided by $m$.
8,192
graphs = [ Graph( let={ "_n": Const(2), "a": CountOverSet(set=SolutionsSet(var=Var("j"), condition=And(Geq(Var("j"), Const(0)), Leq(Var("j"), Const(65479)), Eq(Mod(value=Binom(n=Const(65479), k=Var("j")), modulus=Ref("_n")), Const(1))), domain='nonnegative_integers')), "m...
ALG
COMB
COMPUTE
sympy
V8
[ "V8" ]
86348e
modular_mod_compute_v1
null
5
0
[ "V8" ]
1
0.003
2026-02-08T16:03:33.474619Z
{ "verified": true, "answer": 8192, "timestamp": "2026-02-08T16:03:33.478109Z" }
82e999
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 189, "completion_tokens": 2114 }, "timestamp": "2026-02-24T19:44:16.536Z", "answer": 8192 }, { "...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "V8", "status": "ok" } ]
{ "lo": -2.4, "mid": 1.57, "hi": 5.75 }
de62a8
nt_count_gcd_equals_v1_349078426_1765
Let $ m = 29929 $ and $ n = 152 $. Let $ u $ be the maximum value of $ xy $ over all pairs of positive integers $ (x, y) $ such that $ x + y = n $. Let $ k $ be the minimum value of $ x + y $ over all pairs of positive integers $ (x, y) $ such that $ xy = m $. Compute the number of positive integers $ d $ such that $ 1...
2,872
graphs = [ Graph( let={ "_m": Const(29929), "_n": Const(152), "upper": MaxOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Sum(Var("x"), Var("y")), Ref("_n"))))...
NT
null
COUNT
sympy
B1
[ "B1", "B3" ]
655d51
nt_count_gcd_equals_v1
null
6
0
[ "B1", "B3" ]
2
0.455
2026-02-08T13:55:11.572146Z
{ "verified": true, "answer": 2872, "timestamp": "2026-02-08T13:55:12.027087Z" }
408082
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 170, "completion_tokens": 1039 }, "timestamp": "2026-02-15T22:02:01.489Z", "answer": 2872 }, {...
1
[ { "lemma": "B1", "status": "ok" }, { "lemma": "B3", "status": "ok" }, { "lemma": "K13", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MOD_ADD", ...
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
af3dd7_n
comb_count_partitions_v1_1218484723_2128
A bakery sells pastries in packs of 4 or 6. Each transaction uses between 1 and 3 packs of 4 and between 1 and 15 packs of 6. The total number of pastries in a transaction must be at least 10 and at most 102. Let $n$ be the number of different total counts of pastries possible under these rules. A customer wants to kno...
25,746
COMB
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
comb_count_partitions_v1
null
4
null
[ "LIN_FORM" ]
1
0.002
2026-02-25T03:51:54.512582Z
null
45f621
af3dd7
narrative
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 237, "completion_tokens": 2181 }, "timestamp": "2026-03-30T17:55:41.687Z", "answer": 25746 }, { "...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -5.37, "mid": 0.23, "hi": 5.22 }
1d50df
comb_sum_binomial_mod_v1_153355830_1092
Let $S$ be the set of all ordered pairs $(x,y)$ of positive integers such that $xy = 5625$. For each pair $(x,y)$ in $S$, define $s = x + y$. Let $m$ be the minimum value of $s$ over all such pairs. Compute the remainder when $$\sum_{k=10}^{130} \binom{m}{k}$$ is divided by $11329$.
10,744
graphs = [ Graph( let={ "_n": Const(11329), "sum": Summation(var="k", start=Const(10), end=Const(130), expr=Binom(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(...
ALG
COMB
COMPUTE
sympy
B3
[ "B3" ]
0cd20d
comb_sum_binomial_mod_v1
null
5
0
[ "B3" ]
1
0.012
2026-02-08T04:23:45.429660Z
{ "verified": true, "answer": 10744, "timestamp": "2026-02-08T04:23:45.441381Z" }
46de57
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 203, "completion_tokens": 32768 }, "timestamp": "2026-02-24T05:32:01.594Z", "answer": 1343 }, { ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": 3.43, "mid": 5.73, "hi": 8.84 }
1d4423
antilemma_v1_legendre_168721529_1512
Let $x$ be the largest integer $k$ such that $2^k$ divides $222!$. Compute $x^2 + 49x + 88$.
57,328
graphs = [ Graph( let={ "_n": Const(2), "x": MaxKDivides(target=Factorial(Const(222)), base=Ref("_n")), "_c": Const(88), "Q": Sum(Pow(Ref("x"), Const(2)), Mul(Const(49), Ref("x")), Ref("_c")), }, goal=Ref("Q"), ) ]
NT
null
COMPUTE
sympy
V1
[ "V1" ]
dae96f
antilemma_v1_legendre
null
3
0
[ "V1" ]
1
0.001
2026-02-08T13:44:37.310114Z
{ "verified": true, "answer": 57328, "timestamp": "2026-02-08T13:44:37.311406Z" }
8fb344
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 146, "completion_tokens": 640 }, "timestamp": "2026-02-09T18:17:24.758Z", "answer": 57328 }, { "i...
2
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "K5", "status": "same_pattern_wrong" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MOD_SUB", "sta...
{ "lo": -10, "mid": -6.47, "hi": -2.95 }
b9b43d
lin_form_endings_v1_784195855_69
Let $S$ be the set of integers $t$ with $126 \leq t \leq 6076$ for which there exist positive integers $a \leq 52$ and $b \leq 35$ such that $t = 98a + 28b$. Let $r$ be the number of elements in $S$. Compute the remainder when $5520 \cdot r$ is divided by $75282$.
59,940
graphs = [ Graph( let={ "_inner_result": 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=52)), Geq(left=Var(name='b'), right=...
COMB
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
lin_form_endings_v1
null
3
null
[ "LIN_FORM" ]
1
0.001
2026-02-08T02:56:52.694973Z
{ "verified": true, "answer": 59940, "timestamp": "2026-02-08T02:56:52.695795Z" }
9836bc
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 204, "completion_tokens": 4612 }, "timestamp": "2026-02-10T11:55:24.038Z", "answer": 65460 }, { ...
1
[ { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": ...
{ "lo": 2.55, "mid": 3.99, "hi": 5.3 }
dafa47
comb_sum_binomial_row_v1_1218484723_6980
Let $M = \left|\left\{ (a, b) : 1 \leq a \leq b \leq 10,\ 2a^2 + 2b^2 - 4ab = 128 \right\}\right|^{14}$. Find the remainder when $67997M$ is divided by $86333$.
21,816
graphs = [ Graph( let={ "_n": Const(2), "n": Const(14), "result": Pow(CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), Const(10)), Geq(Var("b"), Const(1)), Leq(Var("b"), Const(10)), Leq(Var("a"), ...
COMB
null
SUM
sympy
POLY_ORBIT_HENSEL
[ "QF_PSD_ORBIT" ]
1d37f3
comb_sum_binomial_row_v1
null
4
0
[ "POLY_ORBIT_HENSEL", "QF_PSD_ORBIT" ]
2
0.098
2026-02-25T08:24:28.631600Z
{ "verified": true, "answer": 21816, "timestamp": "2026-02-25T08:24:28.729223Z" }
1eff74
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 186, "completion_tokens": 1918 }, "timestamp": "2026-03-30T03:32:51.142Z", "answer": 21816 }, { "...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "QF_PSD_ORBIT", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8_SUM",...
{ "lo": -3.33, "mid": 1.03, "hi": 5.26 }
834109
nt_sum_gcd_range_mod_v1_1431428450_852
Let $k = 504$ and $M = 11027$. Compute the sum $$ \frac{4}{40} \sum_{n=1}^{1583} \sum_{j=1}^{10} \gcd(n, k), $$ and let $\text{result}$ be the remainder when this sum is divided by $M$. Let $T$ be the set of all integers $t$ such that $9 \leq t \leq 189$ and $t = 5a + 4b$ for some integers $a, b$ with $1 \leq a \leq 21...
70,526
graphs = [ Graph( let={ "_n": Const(76280), "k": Const(504), "M": Const(11027), "sum": Div(Mul(Const(4), SumOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("n"), Var("_j")]), condition=Const(1), domain=CartesianProduct(left=IntegerRange(start=C...
NT
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM", "SUM_INDEPENDENT" ]
ddec56
nt_sum_gcd_range_mod_v1
negation_mod
6
0
[ "LIN_FORM", "SUM_INDEPENDENT" ]
2
0.147
2026-02-08T13:44:41.434814Z
{ "verified": true, "answer": 70526, "timestamp": "2026-02-08T13:44:41.582074Z" }
662498
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 206, "completion_tokens": 5917 }, "timestamp": "2026-02-15T20:00:53.032Z", "answer": 70529 },...
0
[ { "lemma": "DS2", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "...
{ "lo": 2.52, "mid": 6.26, "hi": 10 }
128558
alg_poly3_count_v1_1218484723_3144
Find the number of ordered triples $(a, b, c)$ of positive integers with $1 \leq a, b, c \leq 43$ such that $$ -204bc^2 + 60a^2c - 2a^3 - 180ac^2 - 12ab^2 - 12a^2b + 48b^2c - 4b^3 + 320c^3 + m \cdot abc = -85750, $$ where $m = \min\{ x + y : x > 0, y > 0, xy = 2304 \}$.
14
graphs = [ Graph( let={ "_n": Const(43), "result": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b"), Var("c")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), Ref("_n")), Geq(Var("b"), Const(1)), Leq(Var("b"), Const(43)), Geq(Var("c"), Const(1)), Leq(Var("c...
ALG
null
COUNT
sympy
LIN_FORM
[ "B3" ]
0cd20d
alg_poly3_count_v1
null
6
0
[ "B3", "LIN_FORM" ]
2
1.907
2026-02-25T04:51:19.806949Z
{ "verified": true, "answer": 14, "timestamp": "2026-02-25T04:51:21.713802Z" }
505579
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 1, "correct": { "strict": false, "boxed": false, "relaxed": true }, "usage": { "prompt_tokens": 247, "completion_tokens": 32768 }, "timestamp": "2026-03-29T08:43:31.920Z", "answer": null }, { ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": 3.81, "mid": 6.33, "hi": 9.49 }
70f1e3
nt_count_with_divisor_count_v1_2080023795_93
Let $p=73$ and $q=13$, and let $n_1=p^2q$. Let $\mu$ denote the Möbius function, and define $$u=\mu(n_1)^2.$$ Let $n=1$, and let $f$ be the number of prime factors of $n$ counted with multiplicity. Let $U=5184$. Let $d=6$, and let $R$ be the number of integers $t$ with $1\le t\le U$ such that $t$ has exactly $d$ posi...
54,969
graphs = [ Graph( let={ "p": Const(73), "q": Const(13), "n1": Mul(Pow(Ref("p"), Const(2)), Ref("q")), "u": Pow(MoebiusMu(n=Ref(name='n1')), Const(2)), "n": Const(1), "f": BigOmega(n=Ref(name='n')), "upper": Const(5184), ...
NT
null
COUNT
sympy
B3
[ "B3/MOBIUS_SQUAREFREE/BIG_OMEGA_ZERO" ]
4b9d5f
nt_count_with_divisor_count_v1
affine_mod
6
2
[ "B3", "BIG_OMEGA_ZERO", "MOBIUS_SQUAREFREE" ]
3
0.223
2026-02-08T11:31:47.596216Z
{ "verified": true, "answer": 54969, "timestamp": "2026-02-08T11:31:47.819595Z" }
3d8cd3
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 324, "completion_tokens": 7177 }, "timestamp": "2026-02-10T05:12:18.459Z", "answer": 54969 }, { ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "BIG_OMEGA_ZERO", "status": "ok_later" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOBIUS_SQUAREFREE", ...
{ "lo": 1.94, "mid": 5.23, "hi": 8.52 }
b5c857
nt_count_gcd_equals_v1_458359167_3825
Let $S$ be the set of all prime numbers $n$ such that $2 \leq n \leq 1171$. Let $k$ be the number of positive integers $n$ such that $1 \leq n \leq \max(S)$ and $\gcd(n, 6) = 1$. Let $T$ be the set of all positive integers $n$ such that $1 \leq n \leq 39204$ and $\gcd(n, k) = 391$. Compute the number of elements in $T$...
100
graphs = [ Graph( let={ "upper": Const(39204), "k": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Const(1171)), IsPrime(Var("n")))))), Eq(...
NT
null
COUNT
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW/C4" ]
a99ef8
nt_count_gcd_equals_v1
null
6
0
[ "C4", "MAX_PRIME_BELOW" ]
2
3.268
2026-02-08T11:22:48.622374Z
{ "verified": true, "answer": 100, "timestamp": "2026-02-08T11:22:51.889907Z" }
a57cd3
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 159, "completion_tokens": 1896 }, "timestamp": "2026-02-14T12:41:50.950Z", "answer": 100 }, { ...
1
[ { "lemma": "C4", "status": "ok_later" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" }, { ...
{ "lo": -9.12, "mid": -6.02, "hi": -3.62 }
9e2c61
antilemma_sum_primes_v1_1918700295_2711
Compute the sum of all prime numbers $n$ such that $2 \le n \le 98$.
1,060
graphs = [ Graph( let={ "x": SumOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Const(98)), IsPrime(Var("n"))))), }, goal=Ref("x"), ) ]
NT
null
COMPUTE
sympy
SUM_PRIMES
[ "SUM_PRIMES" ]
83231d
antilemma_sum_primes_v1
null
3
0
[ "SUM_PRIMES" ]
1
0.004
2026-02-08T08:10:39.886864Z
{ "verified": true, "answer": 1060, "timestamp": "2026-02-08T08:10:39.891057Z" }
81f582
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 115, "completion_tokens": 733 }, "timestamp": "2026-02-20T10:55:40.134Z", "answer": 1060 } ]
2
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "SUM_PRIMES", "status": "ok" }, { "lemma": "V1", "status": "no" }, { "lemma": "V8", "status": "no" } ]
{ "lo": -10, "mid": -6.47, "hi": -2.95 }
6d1307
algebra_quadratic_discriminant_v1_458359167_3907
Let $m = 2049$. Define $n$ to be the number of integers $j$ with $0 \leq j \leq 2049$ such that $\binom{2049}{j}$ is odd. Let $a = -1$, $b = -8$, and $c = -16$. Let $p$ range over the positive integers for which there exists an integer $q$ such that $pq = 216$, $\gcd(p, q) = 1$, and $p < q$. Let $r = b^k$, where $k$ is...
38,416
graphs = [ Graph( let={ "_m": Const(2049), "_n": CountOverSet(set=SolutionsSet(var=Var("j"), condition=And(Geq(Var("j"), Const(0)), Leq(Var("j"), Const(2049)), Eq(Mod(value=Binom(n=Ref("_m"), k=Var("j")), modulus=Const(2)), Const(1))), domain='nonnegative_integers')), "a"...
NT
null
COMPUTE
sympy
V8
[ "V8/COPRIME_PAIRS" ]
cea98a
algebra_quadratic_discriminant_v1
null
6
0
[ "COPRIME_PAIRS", "V8" ]
2
0.003
2026-02-08T11:25:58.379209Z
{ "verified": true, "answer": 38416, "timestamp": "2026-02-08T11:25:58.382387Z" }
139df8
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 191, "completion_tokens": 1428 }, "timestamp": "2026-02-14T13:52:34.791Z", "answer": 38416 }, ...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok_later" }, { "lemma": "L3b", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "V5", "status": "no" }, { "lemma": "V7", "status": "no" ...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
bdb9b6
nt_count_phi_equals_v1_153355830_695
Let $N = 22$. Let $u$ be the number of positive integers $k$ such that $1 \leq k \leq 110000$ and $N$ divides $k$. Let $k_0 = 4379$. Determine the number of positive integers $n$ such that $1 \leq n \leq u$ and $\phi(n) = k_0$, where $\phi$ denotes Euler's totient function.
0
graphs = [ Graph( let={ "_n": Const(22), "upper": CountOverSet(set=SolutionsSet(var=Var("k"), condition=And(Geq(Var("k"), Const(1)), Leq(Var("k"), Const(110000)), Divides(divisor=Ref("_n"), dividend=Var("k"))), domain='positive_integers')), "k": Const(4379), "...
NT
null
COUNT
sympy
MAX_DIVISOR
[ "C2" ]
9685eb
nt_count_phi_equals_v1
null
7
0
[ "C2", "MAX_DIVISOR" ]
2
2.69
2026-02-08T04:08:04.268223Z
{ "verified": true, "answer": 0, "timestamp": "2026-02-08T04:08:06.957856Z" }
4ab363
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 206, "completion_tokens": 742 }, "timestamp": "2026-02-10T15:30:24.021Z", "answer": 0 }, { "id":...
1
[ { "lemma": "C2", "status": "ok" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" } ]
{ "lo": -7.01, "mid": -4.68, "hi": -2.15 }
37d892
algebra_poly_eval_v1_1419126231_689
Let $b = 20$. Let $e$ be the number of ordered pairs $(a, b1)$ with $1 \le a, b1 \le 10$ satisfying $$ 162a^4 + 216a^3b1 + 540a^2b1^2 + 312ab1^3 + 82b1^4 = 811296. $$ Compute $5 \cdot b^e + \sum_{k=0}^{2} 2^k \cdot b + 4$.
2,144
graphs = [ Graph( let={ "_n": Const(4), "b": Const(20), "result": Sum(Mul(Const(5), Pow(Ref("b"), CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b1")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), Const(10)), Geq(Var("b1"), Const(1)), Leq(Var("b...
ALG
null
COMPUTE
sympy
POLY4_COUNT
[ "POLY4_COUNT", "SUM_GEOM" ]
6419b7
algebra_poly_eval_v1
null
4
0
[ "POLY4_COUNT", "SUM_GEOM" ]
2
0.003
2026-02-25T10:09:37.903727Z
{ "verified": true, "answer": 2144, "timestamp": "2026-02-25T10:09:37.906752Z" }
5407e1
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 225, "completion_tokens": 31878 }, "timestamp": "2026-03-30T09:41:20.412Z", "answer": 2144 }, { "...
1
[ { "lemma": "POLY4_COUNT", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "SUM_GEOM", "status": "ok" } ]
{ "lo": -5.37, "mid": 0.23, "hi": 5.22 }
49edbf
modular_modexp_compute_v1_458359167_79
Let $a = 41$. Let $S$ be the set of all ordered pairs $(x,y)$ of positive integers such that $xy = 1018081$. Define $e$ to be the minimum value of $x + y$ as $(x,y)$ ranges over $S$. Let $m = 35721$. Compute the remainder when $a^e$ is divided by $m$.
20,203
graphs = [ Graph( let={ "a": Const(41), "e": 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(1018081)))), expr=Sum(Var("x"), Var("y")))),...
NT
null
COMPUTE
sympy
B3
[ "B3" ]
0cd20d
modular_modexp_compute_v1
null
6
0
[ "B3" ]
1
0.003
2026-02-08T02:59:17.375909Z
{ "verified": true, "answer": 20203, "timestamp": "2026-02-08T02:59:17.378681Z" }
48327b
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 1, "correct": { "strict": false, "boxed": false, "relaxed": true }, "usage": { "prompt_tokens": 193, "completion_tokens": 32768 }, "timestamp": "2026-02-23T20:41:23.494Z", "answer": null }, { ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "V7", "status": "no" } ]
{ "lo": 3.24, "mid": 5.68, "hi": 8.81 }
eef9ee
comb_binomial_compute_v1_1218484723_2703
Let $n$ be the number of ordered pairs $(a, b)$ of positive integers with $1 \le a, b \le 35$ such that $b^2 - 8ab + 16a^2 = 256$. Let $M = \binom{n}{5}$. Find the remainder when $62132M$ is divided by $53551$.
48,726
graphs = [ Graph( let={ "_n": Const(35), "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(35)), Eq(Sum(Pow(Var("b"), Const(2)), Mul(Const(-8), Var...
COMB
null
COMPUTE
sympy
QF_PSD_COUNT
[ "QF_PSD_COUNT" ]
09ce67
comb_binomial_compute_v1
null
4
0
[ "QF_PSD_COUNT" ]
1
0.002
2026-02-25T04:26:04.207636Z
{ "verified": true, "answer": 48726, "timestamp": "2026-02-25T04:26:04.209959Z" }
6ca739
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 190, "completion_tokens": 2014 }, "timestamp": "2026-03-29T06:04:14.870Z", "answer": 48726 }, { "...
1
[ { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "QF_PSD_COUNT", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8_SUM", ...
{ "lo": -2.45, "mid": 1.37, "hi": 5.29 }
9b36c8
nt_count_primes_v1_1978505735_896
Let $A$ be the set of all positive integers $p$ for which there exists a positive integer $q$ such that $p \cdot q = 18$, $\gcd(p, q) = 1$, and $p < q$. Let $m$ be the number of elements in $A$. Let $S$ be the set of all prime numbers $n$ such that $n \geq m$ and $n \leq 32768$. Let $r$ be the number of elements in $S$...
2,678
graphs = [ Graph( let={ "upper": Const(32768), "result": CountOverSet(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'),...
NT
null
COUNT
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS" ]
2bb3aa
nt_count_primes_v1
null
4
0
[ "COPRIME_PAIRS" ]
1
0.752
2026-02-08T15:40:08.809689Z
{ "verified": true, "answer": 2678, "timestamp": "2026-02-08T15:40:09.562173Z" }
cf67e5
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 180, "completion_tokens": 1923 }, "timestamp": "2026-02-16T11:34:36.500Z", "answer": 2678 }, {...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "VAL_SUM_EQ", ...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
026629
geo_count_lattice_rect_v1_1520064083_9749
Compute the number of lattice points $(x, y)$ with $0 \leq x \leq 222$ and $0 \leq y \leq 180$. Determine the value of this count.
40,363
graphs = [ Graph( let={ "a": Const(222), "b": Const(180), "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
2026-02-08T10:59:45.218650Z
{ "verified": true, "answer": 40363, "timestamp": "2026-02-08T10:59:45.219551Z" }
cf14a2
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 154, "completion_tokens": 260 }, "timestamp": "2026-02-24T12:35:31.141Z", "answer": 40363 }, { "i...
1
[]
{ "lo": -5.97, "mid": -3.97, "hi": -1.93 }
2c86e6
alg_poly3_sum_v1_1218484723_1822
Let $K = \left|\{ (a_1, b_1) : 1 \le a_1, b_1 \le 15,\ -2a_1b_1 + 13a_1^2 + 2b_1^2 \le 1832 \}\right|$. Find the remainder when $$\sum_{a=1}^{472} \sum_{b=1}^{472} \left( -133a^3 + K a^2 b - 84a b^2 + 16b^3 \right)$$ is divided by $85144$.
74,072
graphs = [ Graph( let={ "_n": Const(3), "result": Mod(value=SumOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), Const(472)), Geq(Var("b"), Const(1)), Leq(Var("b"), Const(472)))), expr=Sum(Mul(Const(...
ALG
null
COMPUTE
sympy
QF_PSD_COUNT_LEQ
[ "QF_PSD_COUNT_LEQ" ]
009d0f
alg_poly3_sum_v1
null
5
0
[ "QF_PSD_COUNT_LEQ" ]
1
0.402
2026-02-25T03:29:22.902939Z
{ "verified": true, "answer": 74072, "timestamp": "2026-02-25T03:29:23.304923Z" }
6be21c
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 239, "completion_tokens": 5537 }, "timestamp": "2026-03-29T01:32:22.794Z", "answer": 18832 }, { ...
1
[ { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "QF_PSD_COUNT_LEQ", "status": "ok" } ]
{ "lo": 3.14, "mid": 5.37, "hi": 7.61 }
602bd4
diophantine_fbi2_count_v1_1918700295_2004
Let $k = 120$. Determine the number of positive integers $d$ such that $3 \leq d \leq 109$, $d$ divides $k$, and $4 \leq \frac{k}{d} \leq 110$.
11
graphs = [ Graph( let={ "k": Const(120), "a": Const(2), "b": Const(3), "upper": Const(107), "result": CountOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(3)), Leq(Var("d"), Const(109)), Divides(divisor=Var("d"), dividend=R...
NT
null
COUNT
sympy
C4
[ "C4" ]
08d162
diophantine_fbi2_count_v1
null
3
0
[ "C4" ]
1
0.049
2026-02-08T07:36:45.297964Z
{ "verified": true, "answer": 11, "timestamp": "2026-02-08T07:36:45.346793Z" }
713404
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 98, "completion_tokens": 878 }, "timestamp": "2026-02-13T11:26:41.275Z", "answer": 11 }, { ...
1
[ { "lemma": "C4", "status": "ok" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -5.55, "mid": -3.01, "hi": 0.32 }
73eda1
nt_count_with_divisor_count_v1_124444284_10344
Let $\mathcal{P}$ be the set of all ordered pairs $(x, y)$ of positive integers such that $xy = 9000000$. Let $s$ be the minimum value of $x + y$ over all pairs $(x, y) \in \mathcal{P}$. Let $N$ be the number of positive integers $n$ such that $1 \leq n \leq s$ and $n$ has exactly 15 positive divisors. Compute the valu...
4,108
graphs = [ Graph( let={ "_n": Const(2), "upper": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Mul(Var("x"), Var("y")), Const(9000000)))), expr=Sum(Var("x"), Var("y")...
NT
null
COUNT
sympy
B3
[ "B3" ]
0cd20d
nt_count_with_divisor_count_v1
null
6
0
[ "B3" ]
1
2.644
2026-02-08T12:59:10.823558Z
{ "verified": true, "answer": 4108, "timestamp": "2026-02-08T12:59:13.467612Z" }
da7c67
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 164, "completion_tokens": 2881 }, "timestamp": "2026-02-15T08:59:57.891Z", "answer": 4108 }, {...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "K18", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V5", "status": "no" } ]
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
28473c
modular_min_modexp_v1_1520064083_4979
Let $m = 191$. Let $T$ be the set of all integers $t$ such that $15 \leq t \leq 113$ and there exist integers $a$ and $b$ with $1 \leq a \leq 17$, $1 \leq b \leq 10$, and $t = 5a + 2b + 8$. Let $u$ be the number of elements in $T$. Find the smallest positive integer $x$ such that $1 \leq x \leq u$ and $3^x \equiv 147 \...
28,010
graphs = [ Graph( let={ "a": Const(3), "b": Const(147), "m": Const(191), "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)), L...
NT
null
EXTREMUM
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
modular_min_modexp_v1
null
5
0
[ "LIN_FORM" ]
1
0.008
2026-02-08T06:32:28.213794Z
{ "verified": true, "answer": 28010, "timestamp": "2026-02-08T06:32:28.221699Z" }
126fe8
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 199, "completion_tokens": 4255 }, "timestamp": "2026-02-13T02:01:53.366Z", "answer": 28010 }, ...
1
[ { "lemma": "L3b", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "V5", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
164912
modular_sum_quadratic_residues_v1_1742523217_577
Let $T$ be the set of all ordered pairs $(x, y)$ of positive integers such that $x + y = 4$. Define $m = 2$ and let $n$ be the minimum value of $x + y$ over all such pairs in $T$. Let $p$ be the smallest divisor of $1751722385533$ that is at least $m$. Compute $\frac{p(p-1)}{n}$.
19,113
graphs = [ Graph( let={ "_m": Const(2), "_n": MaxOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Sum(Var("x"), Var("y")), Const(4)))), expr=Mul(Var("x"), Var("y")))), ...
NT
null
SUM
sympy
B1
[ "B1/MIN_PRIME_FACTOR" ]
37b65c
modular_sum_quadratic_residues_v1
null
4
0
[ "B1", "MIN_PRIME_FACTOR" ]
2
0.003
2026-02-08T03:07:40.233955Z
{ "verified": true, "answer": 19113, "timestamp": "2026-02-08T03:07:40.236531Z" }
d8844d
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 205, "completion_tokens": 13060 }, "timestamp": "2026-02-23T16:42:39.206Z", "answer": 19113 }, { ...
1
[ { "lemma": "B1", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok_later" }, { "lemm...
{ "lo": 1.96, "mid": 5.23, "hi": 8.52 }
b7ea15
alg_poly3_sum_v1_601307018_8733
Find the remainder when $$\sum_{\substack{a=1 \\ b=1 \\ c=1}}^{30} \left( -396a b^2 - 136a^3 - 8c^3 - 36b c^2 - 54b^2 c - 24a^2 c - 120a c^2 - 432a b c - 27b^3 \right)$$ is divided by $66272$, where the upper limit for $c$ is $$\left| \left\{ (a_1, b_1) \mid 1 \le a_1, b_1 \le 30,\ 16 b_1^2 = \left| \left\{ (a_2, b_2) ...
65,080
graphs = [ Graph( let={ "_m": Const(2), "_n": Const(2), "result": Mod(value=SumOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b"), Var("c")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), Const(30)), Geq(Var("b"), Const(1)), Leq(Var("b"...
ALG
null
COMPUTE
sympy
QF_PSD_COUNT_LEQ
[ "QF_PSD_COUNT_LEQ/QF_PSD_COUNT" ]
831c70
alg_poly3_sum_v1
null
6
0
[ "QF_PSD_COUNT", "QF_PSD_COUNT_LEQ" ]
2
0.13
2026-03-10T09:11:11.900796Z
{ "verified": true, "answer": 65080, "timestamp": "2026-03-10T09:11:12.031171Z" }
a09069
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 338, "completion_tokens": 7990 }, "timestamp": "2026-04-19T09:40:53.081Z", "answer": 65080 }, { ...
1
[ { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "QF_PSD_COUNT", "status": "ok_later" }, { "lemma": "QF_PSD_COUNT_LEQ", "status": "ok" } ]
{ "lo": -5.34, "mid": 1.1, "hi": 7.53 }
5f874c
comb_count_surjections_v1_1978505735_2118
Let $k$ be the number of ordered pairs $(i, j)$ of integers such that $i + j = 8$, $1 \leq i \leq 6$, and $1 \leq j \leq 7$. Compute $k! \cdot S(6, k)$, where $S(6, k)$ denotes the Stirling number of the second kind.
720
graphs = [ Graph( let={ "_n": Const(8), "n": Const(6), "k": 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(6)), right=IntegerRang...
COMB
null
COUNT
sympy
COUNT_SUM_EQUALS
[ "COUNT_SUM_EQUALS" ]
75ab0f
comb_count_surjections_v1
null
5
0
[ "COUNT_SUM_EQUALS" ]
1
0.017
2026-02-08T16:40:18.588033Z
{ "verified": true, "answer": 720, "timestamp": "2026-02-08T16:40:18.604603Z" }
664302
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 124, "completion_tokens": 979 }, "timestamp": "2026-02-24T21:46:13.046Z", "answer": 720 }, { ...
2
[ { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status":...
{ "lo": -10, "mid": -7.42, "hi": -4.85 }
2e3f71
diophantine_product_count_v1_717093673_1898
Let $S$ be the set of all ordered pairs $(x,y)$ of positive integers such that $xy = 8100$. Define $k$ to be the minimum value of $x + y$ over all pairs $(x,y) \in S$. Let $T$ be the set of all positive integers $x_1$ such that $1 \leq x_1 \leq 162$, $x_1$ divides $k$, and $\frac{k}{x_1} \leq 162$. Compute the number o...
16
graphs = [ Graph( let={ "k": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Mul(Var("x"), Var("y")), Const(8100)))), expr=Sum(Var("x"), Var("y")))), "upper": Const(162...
NT
null
COUNT
sympy
MOBIUS_COPRIME
[ "B3" ]
0cd20d
diophantine_product_count_v1
null
5
0
[ "B3", "MOBIUS_COPRIME" ]
2
3.424
2026-02-08T16:23:08.057890Z
{ "verified": true, "answer": 16, "timestamp": "2026-02-08T16:23:11.481493Z" }
b54dc8
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 162, "completion_tokens": 1280 }, "timestamp": "2026-02-17T01:34:26.726Z", "answer": 16 }, { ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "K13", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "V3", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
c66963
comb_sum_binomial_row_v1_168721529_447
Let $n_1 = 0$ and $n_2 = 0$. Define $$ v = \sum_{k=0}^{n_1} (-1)^k \binom{n_1}{k} \quad\text{and}\quad m = \sum_{k=0}^{n_2} (-1)^k \binom{n_2}{k}. $$ Let $n$ be the number of integers $t$ such that $7 \leq t \leq 26$ and there exist integers $a$ and $b$ with $1 \leq a \leq 8$, $1 \leq b \leq 2$, and $t = 2a + 5b$. Let...
2,621
graphs = [ Graph( let={ "_n": Const(44121), "n2": Const(0), "m": Summation(var="k", start=Const(0), end=Ref("n2"), expr=Mul(Pow(Const(-1), Var("k")), Binom(n=Ref("n2"), k=Var("k")))), "n1": Const(0), "v": Summation(var="k", start=Const(0), end=Ref(...
COMB
null
SUM
sympy
BINOMIAL_ALTERNATING
[ "BINOMIAL_ALTERNATING", "LIN_FORM" ]
10f694
comb_sum_binomial_row_v1
null
5
2
[ "BINOMIAL_ALTERNATING", "LIN_FORM" ]
2
0.004
2026-02-08T13:03:39.298892Z
{ "verified": true, "answer": 2621, "timestamp": "2026-02-08T13:03:39.303215Z" }
69a362
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 324, "completion_tokens": 4746 }, "timestamp": "2026-02-09T05:05:27.528Z", "answer": 2621 }, { "i...
1
[ { "lemma": "BINOMIAL_ALTERNATING", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V8", ...
{ "lo": -1.2, "mid": 1.93, "hi": 4.95 }
3b83a0
diophantine_fbi2_count_v1_1439011603_2889
Let $k$ be the number of positive integers $n$ such that $1 \leq n \leq 2204$ and $\gcd(n, 21) = 1$. Determine the number of positive integers $d$ such that $3 \leq d \leq 171$, $d$ divides $k$, and the quotient $k/d$ is an integer between $4$ and $172$, inclusive.
22
graphs = [ Graph( let={ "k": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Const(2204)), Eq(GCD(a=Var("n"), b=Const(21)), Const(1))))), "result": CountOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(3)), Leq(...
NT
null
COUNT
sympy
C4
[ "C4" ]
08d162
diophantine_fbi2_count_v1
null
5
0
[ "C4" ]
1
0.021
2026-02-08T17:03:18.731617Z
{ "verified": true, "answer": 22, "timestamp": "2026-02-08T17:03:18.752552Z" }
ba545d
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 133, "completion_tokens": 1832 }, "timestamp": "2026-02-17T17:51:50.082Z", "answer": 22 }, { ...
1
[ { "lemma": "C4", "status": "ok" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "V5", "status": "no" }, { "lemma": "V8", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }