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b1c538
comb_count_surjections_v1_2051736721_1523
Let $n$ be the number of ordered pairs $(i, j)$ of integers such that $1 \leq i \leq 4$, $1 \leq j \leq 5$, and $i + j = 6$. Let $k$ be the number of ordered pairs $(x_1, x_2)$ of positive odd integers such that $x_1 + x_2 = n$. Compute the value of $k! \cdot S(4, k)$, where $S(n, k)$ denotes the Stirling number of the...
14
graphs = [ Graph( let={ "_n": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=Eq(Sum(Var("i"), Var("j")), Const(6)), domain=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(4)), right=IntegerRange(start=Const(1), end=Const(5))))), "n": Co...
COMB
null
COUNT
sympy
COUNT_SUM_EQUALS
[ "COUNT_SUM_EQUALS/COMB1" ]
5b2e59
comb_count_surjections_v1
null
4
0
[ "COMB1", "COUNT_SUM_EQUALS" ]
2
0.018
2026-02-08T16:05:07.491852Z
{ "verified": true, "answer": 14, "timestamp": "2026-02-08T16:05:07.509841Z" }
5ab874
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 232, "completion_tokens": 622 }, "timestamp": "2026-02-24T19:47:54.894Z", "answer": 14 }, { "id"...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COMB1", "status": "ok_later" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "V7", ...
{ "lo": -5.65, "mid": -3.17, "hi": -0.81 }
179aad
geo_count_lattice_rect_v1_677425708_1524
Let $a = 90$ and $b = 34$. Consider the rectangle in the coordinate plane with vertices at $(0,0)$, $(a,0)$, $(0,b)$, and $(a,b)$. Compute the number of lattice points (points with integer coordinates) that lie inside or on the boundary of this rectangle.
3,185
graphs = [ Graph( let={ "a": Const(90), "b": Const(34), "result": LatticePointsRect(a=Ref(name='a'), b=Ref(name='b')), }, goal=Ref("result"), ) ]
GEOM
null
COUNT
sympy
[]
geo_count_lattice_rect_v1
null
4
0
null
null
0.001
2026-02-08T04:14:29.992514Z
{ "verified": true, "answer": 3185, "timestamp": "2026-02-08T04:14:29.993081Z" }
e5a645
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 180, "completion_tokens": 324 }, "timestamp": "2026-02-09T21:03:21.964Z", "answer": 3185 }, { "id...
1
[]
{ "lo": -4.92, "mid": -2.9, "hi": -0.7 }
0f3498
nt_sum_gcd_range_mod_v1_1248542787_654
Let $N$ be the number of nonnegative integers $j$ such that $0 \leq j \leq 44467$ and $\binom{44467}{j}$ is odd. Let $k = 336$ and $M = 10337$. Compute the remainder when $\sum_{n=1}^{N} \gcd(n, k)$ is divided by $M$.
9,444
graphs = [ Graph( let={ "_n": Const(44467), "N": CountOverSet(set=SolutionsSet(var=Var("j"), condition=And(Geq(Var("j"), Const(0)), Leq(Var("j"), Ref("_n")), Eq(Mod(value=Binom(n=Const(44467), k=Var("j")), modulus=Const(2)), Const(1))), domain='nonnegative_integers')), "k...
NT
null
COMPUTE
sympy
V8
[ "V8" ]
86348e
nt_sum_gcd_range_mod_v1
null
6
0
[ "V8" ]
1
0.091
2026-02-08T03:17:06.356377Z
{ "verified": true, "answer": 9444, "timestamp": "2026-02-08T03:17:06.447617Z" }
707e90
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 197, "completion_tokens": 5750 }, "timestamp": "2026-02-09T06:41:15.923Z", "answer": 8940 }, { ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "V8", "status": "ok" } ]
{ "lo": 1.71, "mid": 5.04, "hi": 8.38 }
8919a1
algebra_poly_eval_v1_124444284_5523
Let $z = 19$. Let $S$ be the set of all integers $t$ such that there exist integers $a$ and $b$ satisfying $1 \le a \le 3$, $1 \le b \le 3$, $5 \le t \le 15$, and $t = 2a + 3b$. Let $n = 4$. Compute $5z^3 - 9z^2 + |S| \cdot z + n$.
31,221
graphs = [ Graph( let={ "_n": Const(4), "z": Const(19), "result": Sum(Mul(Const(5), Pow(Ref("z"), Const(3))), Mul(Const(-9), Pow(Ref("z"), Const(2))), Mul(CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), c...
NT
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
algebra_poly_eval_v1
null
3
0
[ "LIN_FORM" ]
1
0.002
2026-02-08T06:40:07.466979Z
{ "verified": true, "answer": 31221, "timestamp": "2026-02-08T06:40:07.468951Z" }
7501bf
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 163, "completion_tokens": 1088 }, "timestamp": "2026-02-15T17:42:41.617Z", "answer": 31039 }, { "id": 1...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" } ]
{ "lo": -7.01, "mid": -4.68, "hi": -2.15 }
bdd18e
comb_bell_compute_v1_1470522791_1107
Let $S$ be the set of all positive integers $p$ for which there exists a positive integer $q$ such that $p \cdot q = 36750$, $\gcd(p, q) = 1$, and $p < q$. Let $n$ be the number of elements in $S$. Compute the $n$-th Bell number, which is the number of ways to partition a set of $n$ elements.
4,140
graphs = [ Graph( let={ "n": CountOverSet(set=SolutionsSet(var=Var("p"), condition=And(IsPositive(arg=Var(name='p')), Exists(var=Var(name='q'), condition=And(Eq(left=Mul(Var(name='p'), Var(name='q')), right=Const(value=36750)), Eq(left=GCD(a=Var(name='p'), b=Var(name='q')), right=Const(value=1))...
NT
COMB
COMPUTE
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS" ]
2bb3aa
comb_bell_compute_v1
null
6
0
[ "COPRIME_PAIRS" ]
1
0.002
2026-02-08T13:26:14.151290Z
{ "verified": true, "answer": 4140, "timestamp": "2026-02-08T13:26:14.153277Z" }
081ff7
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 137, "completion_tokens": 2522 }, "timestamp": "2026-02-15T15:38:57.439Z", "answer": 4140 }, {...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "K17", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": ...
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
e3f1aa
antilemma_k3_v1_784195855_9548
Compute the sum $\sum_{d \mid 18385} \phi(d)$, where $\phi$ denotes Euler's totient function.
18,385
graphs = [ Graph( let={ "_n": Const(18385), "x": SumOverDivisors(n=Ref(name='_n'), var='d', expr=EulerPhi(n=Var(name='d'))), }, goal=Ref("x"), ) ]
NT
COMB
COMPUTE
sympy
K3
[ "K3" ]
54c41e
antilemma_k3_v1
null
3
0
[ "K3" ]
1
0.001
2026-02-08T16:53:13.543720Z
{ "verified": true, "answer": 18385, "timestamp": "2026-02-08T16:53:13.544293Z" }
4d00fc
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 1, "correct": { "strict": false, "boxed": false, "relaxed": true }, "usage": { "prompt_tokens": 89, "completion_tokens": 936 }, "timestamp": "2026-02-16T08:37:42.532Z", "answer": 7200 }, { "id": 11, ...
1
[ { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "K3", "status": "ok" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" ...
{ "lo": -8.26, "mid": -5.01, "hi": -1.76 }
a91bc8
modular_mod_compute_v1_1080341949_393
Let $a$ be the number of positive integers $k$ such that $1 \leq k \leq 3038049$ and $441$ divides $k$. Let $m = 2048$, and let $r$ be the remainder when $a$ is divided by $m$. Compute $16384 - r$.
15,639
graphs = [ Graph( let={ "a": CountOverSet(set=SolutionsSet(var=Var("k"), condition=And(Geq(Var("k"), Const(1)), Leq(Var("k"), Const(3038049)), Divides(divisor=Const(441), dividend=Var("k"))), domain='positive_integers')), "m": Const(2048), "result": Mod(value=Ref("a"), mo...
ALG
NT
COMPUTE
sympy
C2
[ "C2" ]
9685eb
modular_mod_compute_v1
null
3
0
[ "C2" ]
1
0.001
2026-02-08T13:28:29.332382Z
{ "verified": true, "answer": 15639, "timestamp": "2026-02-08T13:28:29.333496Z" }
8bb8c9
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 115, "completion_tokens": 900 }, "timestamp": "2026-02-15T16:09:58.446Z", "answer": 15639 }, {...
1
[ { "lemma": "C2", "status": "ok" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "V7", "status": "no" } ]
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
ae31bc
comb_factorial_compute_v1_458359167_3864
Let $n$ be the smallest integer $d \geq 2$ that divides the number of positive integers $n$ such that $n \leq \sum x$, where the sum is taken over all real numbers $x$ satisfying $x^2 - 2117x - 171210 = 0$, and $\gcd(n, 20) = 1$. Compute the remainder when $99360 \cdot n!$ is divided by 78173.
76,335
graphs = [ Graph( let={ "_m": Const(20), "_n": Const(78173), "n": MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(2)), Divides(divisor=Var("d"), dividend=CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var...
NT
null
COMPUTE
sympy
VIETA_SUM
[ "VIETA_SUM/C4/MIN_PRIME_FACTOR" ]
81e893
comb_factorial_compute_v1
null
6
0
[ "C4", "MIN_PRIME_FACTOR", "VIETA_SUM" ]
3
0.005
2026-02-08T11:23:56.317272Z
{ "verified": true, "answer": 76335, "timestamp": "2026-02-08T11:23:56.322267Z" }
4bebde
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": 2140 }, "timestamp": "2026-02-14T13:48:03.484Z", "answer": 76335 }, ...
1
[ { "lemma": "C4", "status": "ok_later" }, { "lemma": "K15", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok_later" }, { "lemma": "MOD_FACTORIAL", "sta...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
504414
nt_min_crt_v1_2051736721_2381
Let $m$ be the minimum value of $x + y$ over all pairs of positive integers $(x, y)$ such that $xy = 4$. Let $n$ be the smallest positive integer at most 20 such that $n \equiv 0 \pmod{m}$ and $n \equiv 3 \pmod{5}$. Compute the remainder when $44121n$ is divided by $72848$.
61,576
graphs = [ Graph( let={ "m": 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(4)))), expr=Sum(Var("x"), Var("y")))), "k": Const(5), ...
NT
null
EXTREMUM
sympy
B3
[ "B3" ]
0cd20d
nt_min_crt_v1
null
4
0
[ "B3" ]
1
0.009
2026-02-08T16:38:46.753989Z
{ "verified": true, "answer": 61576, "timestamp": "2026-02-08T16:38:46.762570Z" }
9e87ac
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 135, "completion_tokens": 596 }, "timestamp": "2026-02-17T08:43:42.284Z", "answer": 61576 }, {...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "n...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
f6fed4
comb_count_partitions_v1_898971024_57
Let $n$ be the number of positive integers $k$ such that $1 \leq k \leq 16211$ and $377$ divides $k$. Define $P(n)$ to be the number of integer partitions of $n$. Compute $P(n)$.
63,261
graphs = [ Graph( let={ "_n": Const(16211), "n": CountOverSet(set=SolutionsSet(var=Var("k"), condition=And(Geq(Var("k"), Const(1)), Leq(Var("k"), Ref("_n")), Divides(divisor=Const(377), dividend=Var("k"))), domain='positive_integers')), "result": Partition(arg=Ref(name='n...
COMB
NT
COUNT
sympy
C2
[ "C2" ]
9685eb
comb_count_partitions_v1
null
4
0
[ "C2" ]
1
0.002
2026-02-08T15:10:27.456443Z
{ "verified": true, "answer": 63261, "timestamp": "2026-02-08T15:10:27.458120Z" }
fd6f23
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 102, "completion_tokens": 934 }, "timestamp": "2026-02-16T01:00:13.813Z", "answer": 63261 }, {...
1
[ { "lemma": "C2", "status": "ok" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "V3", "status": "no" }, { "lemma": "V8_SUM", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
33c7fd
algebra_poly_eval_v1_238844314_0
Compute the value of $9^4 - 3 \cdot 9^3 + 5 \cdot 9^2 + 9 \cdot 9 + N$, where $N$ is the number of ordered pairs $(i, j)$ of positive integers such that $1 \le i \le 9$, $1 \le j \le 10$, and $i + j = 11$. Find the remainder when $78393$ times this value is divided by $71296$.
48,029
graphs = [ Graph( let={ "_n": Const(9), "x": Const(9), "result": Sum(Pow(Ref("x"), Const(4)), Mul(Const(-3), Pow(Ref("x"), Const(3))), Mul(Const(5), Pow(Ref("x"), Const(2))), Mul(Ref("_n"), Ref("x")), CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]),...
NT
null
COMPUTE
sympy
COUNT_SUM_EQUALS
[ "COUNT_SUM_EQUALS" ]
75ab0f
algebra_poly_eval_v1
null
3
0
[ "COUNT_SUM_EQUALS" ]
1
0.075
2026-02-08T13:04:35.160612Z
{ "verified": true, "answer": 48029, "timestamp": "2026-02-08T13:04:35.235706Z" }
42a8c6
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 150, "completion_tokens": 2568 }, "timestamp": "2026-02-15T09:29:41.623Z", "answer": 48029 }, ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "K16", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" ...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
6324f3
comb_factorial_compute_v1_349078426_1011
Let $m = 2$. Let $p$ be the largest prime number $n$ such that $m \leq n \leq 7$. Let $q$ be the largest prime number $n$ such that $2 \leq n \leq p$. Compute $q!$.
5,040
graphs = [ Graph( let={ "_m": Const(2), "_n": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Ref("_m")), Leq(Var("n"), Const(7)), IsPrime(Var("n"))))), "n": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"...
NT
null
COMPUTE
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW/MAX_PRIME_BELOW" ]
15be89
comb_factorial_compute_v1
null
3
0
[ "MAX_PRIME_BELOW" ]
1
0.003
2026-02-08T13:22:08.436270Z
{ "verified": true, "answer": 5040, "timestamp": "2026-02-08T13:22:08.439579Z" }
a70c42
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 106, "completion_tokens": 428 }, "timestamp": "2026-02-15T14:29:02.485Z", "answer": 5040 }, { ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "n...
{ "lo": -8.26, "mid": -5.01, "hi": -1.76 }
e94891
antilemma_k3_v1_1439011603_818
Compute the sum $$\sum_{d \mid 93134} \phi(d),$$ where $\phi(d)$ denotes Euler's totient function.
93,134
graphs = [ Graph( let={ "x": SumOverDivisors(n=Const(value=93134), 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
2026-02-08T15:45:34.799038Z
{ "verified": true, "answer": 93134, "timestamp": "2026-02-08T15:45:34.799536Z" }
8cd1ca
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 1, "correct": { "strict": false, "boxed": false, "relaxed": true }, "usage": { "prompt_tokens": 92, "completion_tokens": 944 }, "timestamp": "2026-02-16T06:18:36.944Z", "answer": 54003 }, { "id": 11, ...
1
[ { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K3", "status": "ok" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "MOD_SUB", "status": "...
{ "lo": -8.26, "mid": -5.01, "hi": -1.76 }
464a85
comb_count_permutations_fixed_v1_2080023795_39
Let $n = 10$. Let $S$ be the set of all ordered pairs $(x, y)$ of positive integers such that $xy = 9$. Define $k$ to be the minimum value of $x + y$ as $(x, y)$ ranges over $S$. Compute $\binom{10}{k} \cdot ! (10 - k)$, where $!m$ denotes the number of derangements of $m$ elements.
1,890
graphs = [ Graph( let={ "n": Const(10), "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(9)))), expr=Sum(Var("x"), Var("y")))), ...
COMB
null
COUNT
sympy
B3
[ "B3" ]
0cd20d
comb_count_permutations_fixed_v1
null
4
0
[ "B3" ]
1
0.002
2026-02-08T11:30:16.392275Z
{ "verified": true, "answer": 1890, "timestamp": "2026-02-08T11:30:16.394357Z" }
28cbc4
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 210, "completion_tokens": 594 }, "timestamp": "2026-02-08T20:37:27.899Z", "answer": 1890 }, { "id...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "V8", "status": "n...
{ "lo": -9.23, "mid": -6.18, "hi": -4.06 }
10d1a9
modular_count_residue_v1_784195855_2680
Let $n = 79781$ and let $m$ be the smallest divisor of $n$ that is at least $2$. Let $r = 12$ and let $U = 88209$. Consider the set of all positive integers $k$ such that $1 \leq k \leq U$ and $k \equiv r \pmod{m}$. Compute the number of elements in this set. Multiply this number by $44121$, and find the remainder when...
59,215
graphs = [ Graph( let={ "_n": Const(79781), "upper": Const(88209), "m": MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(2)), Divides(divisor=Var("d"), dividend=Ref("_n"))))), "r": Const(12), "result": CountOverSet(set=So...
NT
null
COUNT
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR" ]
bc3776
modular_count_residue_v1
null
3
0
[ "MIN_PRIME_FACTOR" ]
1
7.707
2026-02-08T05:55:50.281581Z
{ "verified": true, "answer": 59215, "timestamp": "2026-02-08T05:55:57.988704Z" }
816582
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 161, "completion_tokens": 1998 }, "timestamp": "2026-02-12T16:59:14.490Z", "answer": 59215 }, ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "MOD_SUB", "stat...
{ "lo": -3.51, "mid": 1.33, "hi": 6.56 }
094721
geo_count_lattice_rect_v1_124444284_5557
Compute the number of lattice points $(x, y)$ such that $0 \le x \le 361$ and $0 \le y \le 212$.
77,106
graphs = [ Graph( let={ "a": Const(361), "b": Const(212), "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
2026-02-08T06:42:39.748974Z
{ "verified": true, "answer": 77106, "timestamp": "2026-02-08T06:42:39.749427Z" }
4011c0
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 144, "completion_tokens": 231 }, "timestamp": "2026-02-24T06:52:05.964Z", "answer": 77106 }, { "i...
1
[]
{ "lo": -3.84, "mid": -1.69, "hi": 1.09 }
2bf0d3
antilemma_v8_lucas_548369836_218
Let $s$ be the sum of $\mu(d)$ over all positive divisors $d$ of $\gcd(110, 110)$, where $\mu$ is the M\"obius function. Determine the number of integers $j$ such that $s \leq j \leq 61631$ and $\binom{61631}{j}$ is odd.
2,048
graphs = [ Graph( let={ "_n": Const(61631), "x": CountOverSet(set=SolutionsSet(var=Var("j"), condition=And(Geq(Var("j"), SumOverDivisors(n=GCD(a=Const(value=110), b=Const(value=110)), var='d', expr=MoebiusMu(n=Var(name='d')))), Leq(Var("j"), Ref("_n")), Eq(Mod(value=Binom(n=Const(616...
NT
null
COMPUTE
sympy
MOBIUS_COPRIME
[ "MOBIUS_COPRIME", "V8" ]
0d4771
antilemma_v8_lucas
null
6
0
[ "MOBIUS_COPRIME", "V8" ]
2
0.001
2026-02-08T02:49:19.858462Z
{ "verified": true, "answer": 2048, "timestamp": "2026-02-08T02:49:19.859937Z" }
537ca8
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 193, "completion_tokens": 1115 }, "timestamp": "2026-02-08T20:15:17.583Z", "answer": 2048 }, { "i...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOBIUS_COPRIME", "...
{ "lo": -1.89, "mid": 1.79, "hi": 4.93 }
a564ac
sequence_fibonacci_compute_v1_349078426_2000
Let $m = 72350$. Define $p$ to be a positive integer such that there exists a positive integer $q$ satisfying $p \cdot q = 216$, $\gcd(p, q) = 1$, and $p < q$. Let $S$ be the set of all such integers $p$. Let $n$ be the largest integer $k$ such that $|S|^k \leq 31547857$. Compute the remainder when $24003 \cdot F_n$ is...
11,054
graphs = [ Graph( let={ "_m": Const(72350), "_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=216)), Eq(left=GCD(a=Var(name='p'), b=Var(na...
NT
null
COMPUTE
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS/MAX_VAL" ]
aa93c6
sequence_fibonacci_compute_v1
null
5
0
[ "COPRIME_PAIRS", "MAX_VAL" ]
2
0.005
2026-02-08T14:03:40.196005Z
{ "verified": true, "answer": 11054, "timestamp": "2026-02-08T14:03:40.201073Z" }
fd2217
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 179, "completion_tokens": 2576 }, "timestamp": "2026-02-15T23:15:18.693Z", "answer": 11054 }, ...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "K13", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "MAX_VAL", "status": "ok_later" }, { "lemma": "V5", "status": "no" }, { "lem...
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
86ac10
diophantine_sum_product_min_v1_1520064083_490
Let $S = 89$ and $P = 790$. Consider the set of all positive integers $x$ such that $1 \leq x \leq 88$ and $x(S - x) = P$. Let $r$ be the smallest such $x$. Compute the remainder when the Bell number $B_{|r| \bmod 11}$ is divided by $79712$.
36,263
graphs = [ Graph( let={ "S": Const(89), "P": Const(790), "result": MinOverSet(set=SolutionsSet(var=Var("x"), condition=And(Geq(Var("x"), Const(1)), Leq(Var("x"), Const(88)), Eq(Mul(Var("x"), Sub(Ref("S"), Var("x"))), Ref("P"))))), "Q": Mod(value=Bell(Mod(value...
COMB
null
EXTREMUM
sympy
B1
[ "B1/B3/LIN_FORM" ]
565f4a
diophantine_sum_product_min_v1
null
5
0
[ "B1", "B3", "LIN_FORM" ]
3
0.112
2026-02-08T03:26:39.838142Z
{ "verified": true, "answer": 36263, "timestamp": "2026-02-08T03:26:39.949780Z" }
6c0037
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 195, "completion_tokens": 896 }, "timestamp": "2026-02-10T14:25:08.035Z", "answer": 36263 }, { "i...
1
[ { "lemma": "B1", "status": "ok" }, { "lemma": "B3", "status": "ok_later" }, { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "LIN_FORM", "status": "...
{ "lo": -4.92, "mid": -2.9, "hi": -0.7 }
516f7f
nt_euler_phi_compute_v1_865884756_204
Let $n = 34969$ and define $r = \phi(n)$, where $\phi$ is Euler's totient function. Consider the set of all positive integers $p$ for which there exists a positive integer $q$ such that $pq = 182895773590530$, $\gcd(p, q) = 1$, and $p < q$. Let $C$ be the number of such integers $p$. Determine the set of all ordered pa...
22,426
graphs = [ Graph( let={ "_n": Const(52314), "n": Const(34969), "result": EulerPhi(n=Ref("n")), "Q": Mod(value=Sub(MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=V...
NT
null
COMPUTE
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS/B3" ]
7948cf
nt_euler_phi_compute_v1
negation_mod
5
0
[ "B3", "COPRIME_PAIRS" ]
2
0.005
2026-02-08T15:15:52.010622Z
{ "verified": true, "answer": 22426, "timestamp": "2026-02-08T15:15:52.016082Z" }
21e979
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 260, "completion_tokens": 7171 }, "timestamp": "2026-02-11T11:05:42.592Z", "answer": 22426 }, { ...
1
[ { "lemma": "B3", "status": "ok_later" }, { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "K13", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "V5", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": ...
{ "lo": -7.08, "mid": 0.22, "hi": 7.52 }
b56fbb_n
geo_count_lattice_rect_v1_1218484723_3845
An artist paints on a canvas divided into unit squares. The width of the canvas is determined by the sum $\sum_{k=1}^{10} \varphi(k) \cdot \lfloor 10/k \rfloor$, which counts reduced fractions with denominator up to 10. The height is fixed at 30 units (from $y=0$ to $y=29$). How many grid points lie within or on the bo...
1,680
GEOM
GEOM
COUNT
sympy
K2
[ "K2" ]
6897ab
geo_count_lattice_rect_v1
null
3
null
[ "K2" ]
1
0.003
2026-02-25T05:30:01.931335Z
null
928284
b56fbb
narrative
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": 9001 }, "timestamp": "2026-03-30T20:42:59.514Z", "answer": 1680 }, { "i...
1
[ { "lemma": "K2", "status": "ok" } ]
{ "lo": 1.5, "mid": 4.69, "hi": 7.23 }
b7f93f
comb_sum_binomial_row_v1_1218484723_3123
Let $n$ be the number of ordered pairs $(a, b)$ of positive integers with $1 \le a, b \le 20$ such that $$17a^4 + 68ab^3 + 17b^4 + 68a^3b + 102a^2b^2 = 352512.$$ Compute $2^n$.
2,048
graphs = [ Graph( let={ "_n": Const(4), "n": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), Const(20)), Geq(Var("b"), Const(1)), Leq(Var("b"), Const(20)), Eq(Sum(Mul(Const(17), Pow(Var("a"), Ref("_n"))), Mu...
COMB
null
SUM
sympy
POLY4_COUNT
[ "POLY4_COUNT" ]
861d91
comb_sum_binomial_row_v1
null
3
0
[ "POLY4_COUNT" ]
1
0.003
2026-02-25T04:51:10.548497Z
{ "verified": true, "answer": 2048, "timestamp": "2026-02-25T04:51:10.551268Z" }
53872b
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 187, "completion_tokens": 1426 }, "timestamp": "2026-03-29T08:29:45.415Z", "answer": 2048 }, { "i...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "POLY4_COUNT", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" ...
{ "lo": -2.45, "mid": 1.37, "hi": 5.29 }
a2169b_l
comb_count_surjections_v1_1520064083_6163
Let $n$ be the number of ordered pairs $(i,j)$ with $1 \leq i \leq 5$, $1 \leq j \leq 6$, and $i + j = 7$. Compute the value of $5! \cdot S(n, 5)$, where $S(n, k)$ denotes the Stirling number of the second kind. Let $m$ be the number of integers $t$ with $5 \leq t \leq 17$ for which there exist positive integers $a \le...
1
COMB
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM", "COUNT_SUM_EQUALS" ]
ca8181
comb_count_surjections_v1
bell_mod
7
0
[ "COUNT_SUM_EQUALS", "LIN_FORM" ]
2
0.013
2026-02-08T07:54:34.596382Z
{ "verified": false, "answer": 40728, "timestamp": "2026-02-08T07:54:34.609097Z" }
a288ea
a2169b
legacy_text
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 287, "completion_tokens": 1498 }, "timestamp": "2026-02-24T08:35:35.966Z", "answer": 40728 }, { "...
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": -2.35, "mid": 1.22, "hi": 4.84 }
f1aba9
algebra_quadratic_discriminant_v1_784195855_6367
Let $a = 1$, $b$ be the number of positive integers $j$ such that $1 \leq j \leq 5$ and $j^4 \leq 625$, and $c = 12$. Define $D = b^2 - 4ac$. Let $r = 2$ if $D > 0$, and $r = 1$ if $D = 0$. (If $D < 0$, let $r = 0$.) Compute the Bell number $B_k$, where $k$ is the remainder when $|r|$ is divided by 11.
1
graphs = [ Graph( let={ "_n": Const(4), "a": Const(1), "b": CountOverSet(set=SolutionsSet(var=Var("j"), condition=And(Geq(Var("j"), Const(1)), Leq(Var("j"), Const(5)), Leq(Pow(Var("j"), Const(4)), Const(625))), domain='positive_integers')), "c": Const(12), ...
COMB
null
COMPUTE
sympy
C3
[ "C3" ]
8a214c
algebra_quadratic_discriminant_v1
null
3
0
[ "C3" ]
1
0.004
2026-02-08T08:36:41.200121Z
{ "verified": true, "answer": 1, "timestamp": "2026-02-08T08:36:41.204243Z" }
f03235
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 245, "completion_tokens": 256 }, "timestamp": "2026-02-24T09:43:57.895Z", "answer": 1 }, { "id": ...
2
[ { "lemma": "C2", "status": "no" }, { "lemma": "C3", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" } ]
{ "lo": -10, "mid": -7.79, "hi": -5.57 }
ed3c85
lin_form_endings_v1_784195855_7339
Let $a = 70$ and $b = 28$. Compute the least positive integer $x$ such that $$ x \equiv 14625 \cdot \text{lcm}(a, b) \pmod{64638}. $$
43,722
graphs = [ Graph( let={ "a_coeff": Const(70), "b_coeff": Const(28), "_inner_result": LCM(a=Ref("a_coeff"), b=Ref("b_coeff")), "_scale_k": Const(14625), "_scaled": Mul(Ref("_scale_k"), Ref("_inner_result")), "_mod_M": Const(64638), ...
COMB
NT
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
lin_form_endings_v1
null
2
null
[ "LIN_FORM" ]
1
0.001
2026-02-08T09:13:17.042500Z
{ "verified": true, "answer": 43722, "timestamp": "2026-02-08T09:13:17.043012Z" }
e24ba7
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": 1453 }, "timestamp": "2026-02-14T01:28:51.417Z", "answer": 43722 }, {...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "st...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
49d2e3
nt_sum_gcd_range_mod_v1_1520064083_41
Let $N$ be the number of positive integers $t$ such that $14 \leq t \leq 6074$ and there exist positive integers $a$ and $b$ with $1 \leq a \leq 967$, $1 \leq b \leq 34$, and $t = 6a + 8b$. Let $k = 288$ and $M = 10597$. Compute the remainder when $$ \sum_{n=1}^{N} \gcd(n, k) $$ is divided by $M$.
3,431
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=967)), Geq(left=Var(name='b'), right=Const(value...
NT
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
nt_sum_gcd_range_mod_v1
null
6
0
[ "LIN_FORM" ]
1
0.167
2026-02-08T02:58:12.003423Z
{ "verified": true, "answer": 3431, "timestamp": "2026-02-08T02:58:12.170915Z" }
8b59d8
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 233, "completion_tokens": 32768 }, "timestamp": "2026-02-23T21:08:05.117Z", "answer": null }, { ...
1
[ { "lemma": "K15", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V7", "status": "no" } ]
{ "lo": 3.24, "mid": 5.68, "hi": 8.81 }
d2b272
nt_count_gcd_equals_v1_809748730_223
Let $d$ be the number of positive integers $p$ for which there exists a positive integer $q$ such that $pq = 771750$, $\gcd(p,q) = 1$, and $p < q$. Compute the number of positive integers $n \leq 13924$ such that $\gcd(n, 176) = d$. Multiply this count by $44121$ and find the remainder when the result is divided by $54...
5,215
graphs = [ Graph( let={ "upper": Const(13924), "k": Const(176), "d": 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=771750)), Eq(...
NT
null
COUNT
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS" ]
2bb3aa
nt_count_gcd_equals_v1
null
5
0
[ "COPRIME_PAIRS" ]
1
1.136
2026-02-08T11:23:31.707323Z
{ "verified": true, "answer": 5215, "timestamp": "2026-02-08T11:23:32.842970Z" }
b68115
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 142, "completion_tokens": 2162 }, "timestamp": "2026-02-14T13:56:18.791Z", "answer": 5215 }, {...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "K15", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V7", "status": "no" } ]
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
8ebcc4
comb_count_partitions_v1_1978505735_8024
Let $m = 10$ and $n_2 = 12$. Define $$ t = \sum_{k=0}^{n_2} (-1)^k \binom{n_2}{k}. $$ Let $a$ be the number of ordered pairs $(x_1, x_2)$ of positive odd integers such that $x_1 + x_2 = m$. Let $b = 5$ and define $n_1 = a + b$. Now define $$ e = \sum_{k_1=0}^{n_1} (-1)^{k_1} \binom{n_1}{k_1}. $$ Let $n$ be the sum of t...
66,243
graphs = [ Graph( let={ "_m": Const(10), "_n": Const(44121), "n2": Const(12), "t": Summation(var="k", start=Const(0), end=Ref("n2"), expr=Mul(Pow(Const(-1), Var("k")), Binom(n=Ref("n2"), k=Var("k")))), "a": CountOverSet(set=SolutionsSet(var=Tuple(e...
COMB
null
COUNT
sympy
COUNT_CARTESIAN
[ "COUNT_CARTESIAN/BINOMIAL_ALTERNATING", "COMB1/BINOMIAL_ALTERNATING" ]
ea9a24
comb_count_partitions_v1
null
7
2
[ "BINOMIAL_ALTERNATING", "COMB1", "COUNT_CARTESIAN" ]
3
0.003
2026-02-08T20:37:28.622641Z
{ "verified": true, "answer": 66243, "timestamp": "2026-02-08T20:37:28.625273Z" }
a4c587
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 273, "completion_tokens": 2651 }, "timestamp": "2026-02-19T00:47:57.590Z", "answer": 66243 }, ...
1
[ { "lemma": "BINOMIAL_ALTERNATING", "status": "ok_later" }, { "lemma": "C2", "status": "no" }, { "lemma": "COMB1", "status": "ok" }, { "lemma": "COUNT_CARTESIAN", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INT...
{ "lo": -3.12, "mid": 1.47, "hi": 6.57 }
ba75b3
antilemma_k2_v1_168721529_1918
Let $x$ be a real number satisfying $x^2 - 169x + 5734 = 0$. Compute the sum of all such real numbers $x$. Let $n$ be this sum. Determine the value of $$\sum_{k=1}^{169} \phi(k) \left\lfloor \frac{n}{k} \right\rfloor,$$ where $\phi(k)$ denotes Euler's totient function.
14,365
graphs = [ Graph( let={ "_m": Const(169), "_n": SumOverSet(set=SolutionsSet(var=Var("x"), condition=Eq(Sum(Pow(Var("x"), Const(2)), Mul(Const(-169), Var("x")), Const(5734)), Const(0)))), "x": Summation(var="k", start=Const(1), end=Ref("_m"), expr=Mul(EulerPhi(n=Var("k")),...
NT
COMB
COMPUTE
sympy
K13
[ "VIETA_SUM/K2", "K2" ]
6be084
antilemma_k2_v1
null
5
0
[ "K13", "K2", "VIETA_SUM" ]
3
0.006
2026-02-08T13:59:07.734313Z
{ "verified": true, "answer": 14365, "timestamp": "2026-02-08T13:59:07.739851Z" }
673f3e
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 203, "completion_tokens": 1662 }, "timestamp": "2026-02-09T23:29:25.092Z", "answer": 14365 }, { "...
1
[ { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V5", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "VI...
{ "lo": -5.49, "mid": 0.03, "hi": 6.12 }
e4d21f
nt_sum_divisors_compute_v1_865884756_149
Let $n = 41616$ and let $\sigma(n)$ denote the sum of the positive divisors of $n$. Compute the remainder when $$\sigma(n) + \varphi\left(|\sigma(n)| + \varphi\left(\sum_{d\mid\gcd(4,9)} \mu(d)\right)\right) + \tau(|\sigma(n)| + \varphi(1))$$ is divided by $75210$, where $\varphi$ is Euler's totient function, $\mu$ is ...
35,165
graphs = [ Graph( let={ "n": Const(41616), "result": SumDivisors(n=Ref("n")), "Q": Mod(value=Sum(Ref("result"), EulerPhi(n=Sum(Abs(arg=Ref(name='result')), EulerPhi(n=SumOverDivisors(n=GCD(a=Const(value=4), b=Const(value=9)), var='d', expr=MoebiusMu(n=Var(name='d')))))), ...
NT
null
COMPUTE
sympy
MOBIUS_COPRIME
[ "MOBIUS_COPRIME", "ONE_PHI_1" ]
8084fa
nt_sum_divisors_compute_v1
null
5
0
[ "MOBIUS_COPRIME", "ONE_PHI_1" ]
2
0.003
2026-02-08T15:12:36.586975Z
{ "verified": true, "answer": 35165, "timestamp": "2026-02-08T15:12:36.590202Z" }
28ff69
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 251, "completion_tokens": 7895 }, "timestamp": "2026-02-10T04:53:12.875Z", "answer": 35165 } ]
2
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MOBIUS_COPRIME", "status": "ok" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "ONE_PHI_1", "st...
{ "lo": -10, "mid": -1.96, "hi": 6.09 }
60f311
antilemma_sum_equals_v1_898971024_2360
Let $n$ be the number of ordered pairs $(i, j)$ of positive integers such that $i + j = 47$, $1 \leq i \leq 45$, and $1 \leq j \leq 46$. Let $x$ be the number of ordered pairs $(i_1, j_1)$ of positive integers such that $i_1 + j_1 = n$, $1 \leq i_1 \leq 44$, and $1 \leq j_1 \leq 44$. Find the value of $15876 - x$.
15,832
graphs = [ Graph( let={ "_n": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=Eq(Sum(Var("i"), Var("j")), Const(47)), domain=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(45)), right=IntegerRange(start=Const(1), end=Const(46))))), "x":...
COMB
GEOM
COMPUTE
sympy
COUNT_SUM_EQUALS
[ "COUNT_SUM_EQUALS/COUNT_SUM_EQUALS", "COUNT_SUM_EQUALS" ]
ae9919
antilemma_sum_equals_v1
null
4
0
[ "COUNT_SUM_EQUALS" ]
1
0.018
2026-02-08T16:42:38.000501Z
{ "verified": true, "answer": 15832, "timestamp": "2026-02-08T16:42:38.018219Z" }
75adae
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 166, "completion_tokens": 2011 }, "timestamp": "2026-02-24T21:47:53.762Z", "answer": 15832 }, ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status"...
{ "lo": -6.4, "mid": -4.13, "hi": -2.01 }
1b42f0
comb_count_surjections_v1_784195855_7668
Let $n_2 = 0$. Define $t = \sum_{k=0}^{n_2} (-1)^k \binom{n_2}{k}$. Let $a = 3$ and $b = 3$, and define $n_1 = a + b$. Define $m = \sum_{k=0}^{n_1} (-1)^k \binom{n_1}{k}$. Let $n = 8$ and $k = 3t + m$. Compute $k! \cdot S(n, k)$, where $S(n, k)$ denotes the Stirling number of the second kind. Find the value of this exp...
5,796
graphs = [ Graph( let={ "n2": Const(0), "t": Summation(var="k", start=Const(0), end=Ref("n2"), expr=Mul(Pow(Const(-1), Var("k")), Binom(n=Ref("n2"), k=Var("k")))), "a": Const(3), "b": Const(3), "n1": Sum(Ref("a"), Ref("b")), "m": Summat...
COMB
null
COUNT
sympy
BINOMIAL_ALTERNATING
[ "BINOMIAL_ALTERNATING" ]
c21569
comb_count_surjections_v1
null
4
2
[ "BINOMIAL_ALTERNATING" ]
1
0.003
2026-02-08T09:26:32.524799Z
{ "verified": true, "answer": 5796, "timestamp": "2026-02-08T09:26:32.527525Z" }
fcba90
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 258, "completion_tokens": 1119 }, "timestamp": "2026-02-24T11:19:07.921Z", "answer": 5796 }, { "i...
1
[ { "lemma": "BINOMIAL_ALTERNATING", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -3.84, "mid": -1.67, "hi": 1.32 }
26ebdd
alg_poly_preperiod_count_v1_1218484723_3593
For a non-negative integer $a$, define $N = a^3 + 4a \bmod 31$, $M = N^3 + 4N \bmod 31$, $R = M^3 + 4M \bmod 31$, $S = R^3 + 4R \bmod 31$, and $T = S^3 + 4S \bmod 31$. Find the number of integers $a$ with $0 \le a \le 46840$ such that $T = N$, but $M \neq N$, $R \neq N$, and $S \neq N$.
18,132
graphs = [ Graph( let={ "p1": Mod(value=Sum(Pow(Var("a"), Const(3)), Mul(Const(4), Var("a"))), modulus=Const(31)), "p2": Mod(value=Sum(Pow(Ref("p1"), Const(3)), Mul(Const(4), Ref("p1"))), modulus=Const(31)), "p3": Mod(value=Sum(Pow(Ref("p2"), Const(3)), Mul(Const(4), Ref(...
ALG
null
COUNT
sympy
POLY_ORBIT_COUNT
[ "POLY_ORBIT_COUNT" ]
4ad965
alg_poly_preperiod_count_v1
null
6
null
[ "POLY_ORBIT_COUNT" ]
1
0.024
2026-02-25T05:13:27.576236Z
{ "verified": true, "answer": 18132, "timestamp": "2026-02-25T05:13:27.600169Z" }
7f1f04
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 247, "completion_tokens": 10965 }, "timestamp": "2026-03-29T11:08:32.655Z", "answer": 18132 }, { ...
1
[ { "lemma": "POLY_ORBIT_COUNT", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": 1.55, "mid": 4.7, "hi": 7.23 }
83f9d1
comb_factorial_compute_v1_865884756_3134
Let $m = 7$. Let $p$ be the largest prime number less than or equal to $m$. Let $n$ be the largest prime number less than or equal to $p$. Compute $n!$.
5,040
graphs = [ Graph( let={ "_m": Const(7), "_n": MaxOverSet(set=SolutionsSet(var=Var("n1"), condition=And(Geq(Var("n1"), Const(2)), Leq(Var("n1"), Ref("_m")), IsPrime(Var("n1"))))), "n": MaxOverSet(set=SolutionsSet(var=Var("n2"), condition=And(Geq(Var("n2"), Const(2)), Leq(V...
NT
null
COMPUTE
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW/MAX_PRIME_BELOW" ]
15be89
comb_factorial_compute_v1
null
2
0
[ "MAX_PRIME_BELOW" ]
1
0.002
2026-02-08T17:11:31.443659Z
{ "verified": true, "answer": 5040, "timestamp": "2026-02-08T17:11:31.445498Z" }
d8a2e6
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 101, "completion_tokens": 489 }, "timestamp": "2026-02-16T09:08:01.285Z", "answer": 5040 }, { "id": 11, ...
2
[ { "lemma": "K17", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "V3", "status": "no" } ]
{ "lo": -10, "mid": -7.27, "hi": -4.54 }
74ab5f
comb_count_partitions_v1_1080341949_457
Let $S$ be the set of all positive integers $t$ such that there exist positive integers $a$ and $b$ with $1 \leq a \leq 7$, $1 \leq b \leq 7$, $7 \leq t \leq 49$, and $t = 2a + 5b$. Let $n$ be the number of elements in $S$. Compute the number of integer partitions of $n$.
31,185
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=7)), Geq(left=Var(name='b'), right=Const(value=1...
COMB
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
comb_count_partitions_v1
null
5
0
[ "LIN_FORM" ]
1
0.001
2026-02-08T13:31:01.861532Z
{ "verified": true, "answer": 31185, "timestamp": "2026-02-08T13:31:01.862735Z" }
c52973
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": 2485 }, "timestamp": "2026-02-24T18:34:10.985Z", "answer": 31185 }, { "...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": 1.15, "mid": 4.18, "hi": 6.61 }
5c5b3c
antilemma_sum_equals_v1_1520064083_9591
Determine the number of ordered pairs $(i,j)$ of integers such that $1 \leq i \leq 36$, $1 \leq j \leq 36$, and $i + j = 37$.
36
graphs = [ Graph( let={ "_n": Const(37), "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(36)), right=IntegerRange(start=Const(1), end=Con...
COMB
GEOM
COMPUTE
sympy
LIN_FORM
[ "COUNT_SUM_EQUALS" ]
75ab0f
antilemma_sum_equals_v1
null
3
0
[ "COUNT_SUM_EQUALS", "LIN_FORM" ]
2
0.05
2026-02-08T10:53:11.347696Z
{ "verified": true, "answer": 36, "timestamp": "2026-02-08T10:53:11.397312Z" }
9f9a8b
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 157, "completion_tokens": 175 }, "timestamp": "2026-02-24T12:30:02.836Z", "answer": 36 }, { "id":...
2
[ { "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": -10, "mid": -7.79, "hi": -5.57 }
b484cf
diophantine_fbi2_count_v1_809748730_1826
Let $k = 360$. Consider the set of all integers $d$ such that $5 \leq d \leq 68$, $d$ divides $k$, and $2 \leq \frac{k}{d} \leq 65$. Compute the number of elements in this set.
14
graphs = [ Graph( let={ "k": Const(360), "a": Const(4), "b": Const(1), "upper": Const(64), "result": CountOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(5)), Leq(Var("d"), Const(68)), Divides(divisor=Var("d"), dividend=Ref...
NT
null
COUNT
sympy
K14
[ "K14" ]
a49bcb
diophantine_fbi2_count_v1
null
3
0
[ "K14" ]
1
0.045
2026-02-08T12:42:19.590954Z
{ "verified": true, "answer": 14, "timestamp": "2026-02-08T12:42:19.636451Z" }
d2cb2e
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 107, "completion_tokens": 1295 }, "timestamp": "2026-02-15T04:18:17.266Z", "answer": 14 }, { ...
1
[ { "lemma": "K14", "status": "ok" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
1ff459
nt_sum_divisors_mod_v1_1978505735_3626
Let $\_n = 48$. Let $A$ be the set of all positive integers $n_1 \leq 240$ such that $n_1$ is divisible by $\_n$. Define $n$ to be the sum of $\phi(d)$ over all positive divisors $d$ of the sum of the elements of $A$, where $\phi$ denotes Euler's totient function. Let $M = 11119$ and let $\sigma$ be the sum of the posi...
2,418
graphs = [ Graph( let={ "_n": Const(48), "n": SumOverDivisors(n=SumOverSet(set=SolutionsSet(var=Var(name='n1'), condition=And(Geq(left=Var(name='n1'), right=Const(value=1)), Leq(left=Var(name='n1'), right=Const(value=240)), Eq(left=Mod(value=Var(name='n1'), modulus=Ref(name='_n')), r...
NT
null
COMPUTE
sympy
SUM_DIVISIBLE
[ "SUM_DIVISIBLE/K3" ]
f11ce5
nt_sum_divisors_mod_v1
null
3
0
[ "K3", "SUM_DIVISIBLE" ]
2
0.005
2026-02-08T17:45:24.353702Z
{ "verified": true, "answer": 2418, "timestamp": "2026-02-08T17:45:24.358218Z" }
51cd23
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 166, "completion_tokens": 748 }, "timestamp": "2026-02-18T07:34:45.281Z", "answer": 2418 }, { ...
1
[ { "lemma": "K14", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "K3", "status": "ok_later" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "SUM_DIVISIBLE", "status": "ok"...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
ca62a0
antilemma_k3_v1_1125832087_1834
Let $n = 81089$. Define $x = \sum_{d \mid n} \phi(d)$, where the sum is over all positive divisors $d$ of $n$ and $\phi$ is Euler's totient function. Let $c$ be the sum of all real solutions $x$ to the equation $x^2 - 8836x + 674443 = 0$. Compute the remainder when $x^2 + 7x + c$ is divided by $95697$.
87,328
graphs = [ Graph( let={ "_n": Const(81089), "x": SumOverDivisors(n=Ref(name='_n'), var='d', expr=EulerPhi(n=Var(name='d'))), "_c": SumOverSet(set=SolutionsSet(var=Var("x"), condition=Eq(Sum(Pow(Var("x"), Const(2)), Mul(Const(-8836), Var("x")), Const(674443)), Const(0)))),...
NT
COMB
COMPUTE
sympy
VIETA_SUM
[ "VIETA_SUM", "K3" ]
74525f
antilemma_k3_v1
quadratic_mod
5
0
[ "K3", "VIETA_SUM" ]
2
0.002
2026-02-08T03:58:11.522936Z
{ "verified": true, "answer": 87328, "timestamp": "2026-02-08T03:58:11.524523Z" }
2dbdb4
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 218, "completion_tokens": 2757 }, "timestamp": "2026-02-10T16:24:13.601Z", "answer": 86928 }, { ...
1
[ { "lemma": "DS2", "status": "no" }, { "lemma": "K3", "status": "ok" }, { "lemma": "L3b", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, ...
{ "lo": 1.71, "mid": 5.04, "hi": 8.38 }
a778bc
alg_qf_psd_orbit_v1_1218484723_7463
Let $$M = \min\{x + y : (x,y) \text{ are positive integers with } xy = 2825761\}.$$ Let $$B = \left|\{(a_1,b_1) : 1 \le a_1 \le 20,\ 1 \le b_1 \le 20,\ 13a_1^{2} - 2a_1b_1 + 2b_1^{2} \le M\}\right|.$$ Let $Q$ be the number of ordered pairs $(a,b)$ of positive integers with $1 \le a \le b$ and $1 \le b \le B$ such that ...
118
graphs = [ Graph( let={ "_m": Const(20), "_n": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Mul(Var("x"), Var("y")), Const(2825761)))), expr=Sum(Var("x"), Var("y")))...
ALG
null
COUNT
sympy
B3
[ "B3/QF_PSD_COUNT_LEQ" ]
0168fb
alg_qf_psd_orbit_v1
null
8
0
[ "B3", "QF_PSD_COUNT_LEQ" ]
2
1.01
2026-02-25T08:53:24.235102Z
{ "verified": true, "answer": 118, "timestamp": "2026-02-25T08:53:25.244986Z" }
b064e3
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 291, "completion_tokens": 3771 }, "timestamp": "2026-03-30T04:39:34.851Z", "answer": 118 }, { "id...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "QF_PSD_COUNT_LEQ", "status": "ok_later" } ]
{ "lo": -3.33, "mid": 1.03, "hi": 5.26 }
27960a
nt_sum_gcd_range_mod_v1_1918700295_4390
Let $N$ be the number of integers $t$ such that $7 \leq t \leq 5941$ and there exist positive integers $a \leq 844$ and $b \leq 855$ satisfying $t = 4a + 3b$. Let $k$ be the number of ordered pairs $(i, j)$ of positive integers such that $i \leq 144$, $j \leq 145$, and $i + j = 146$. Let $s = \sum_{n=1}^{N} \gcd(n, k)$...
10,670
graphs = [ Graph( let={ "_m": Const(146), "_n": Const(60848), "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'), righ...
NT
null
COMPUTE
sympy
COUNT_SUM_EQUALS
[ "COUNT_SUM_EQUALS", "LIN_FORM" ]
7b3310
nt_sum_gcd_range_mod_v1
null
6
0
[ "COUNT_SUM_EQUALS", "LIN_FORM" ]
2
0.401
2026-02-08T09:19:47.742442Z
{ "verified": true, "answer": 10670, "timestamp": "2026-02-08T09:19:48.143210Z" }
780811
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 209, "completion_tokens": 7396 }, "timestamp": "2026-02-14T03:20:41.845Z", "answer": 10670 }, ...
1
[ { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "K14", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, ...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
8c267d
nt_gcd_compute_v1_168721529_203
Let $c=82687$ and $m=82687$. Let $P$ be the set of all positive integers $p$ for which there exists a positive integer $q$ such that $$pq=216,\quad \gcd(p,q)=1,\quad p<q.$$ Let $n$ be the number of elements of $P$. Let $a=698864$ and $b=1310370$, and let $g=\gcd(a,b)$. Let $R$ be the set of all integers $t$ for whic...
21,055
graphs = [ Graph( let={ "_c": Const(82687), "_m": Const(82687), "_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=216)), Eq(le...
NT
null
COMPUTE
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS/B1", "LIN_FORM/B1" ]
b755c4
nt_gcd_compute_v1
mod_exp
7
0
[ "B1", "COPRIME_PAIRS", "LIN_FORM" ]
3
0.008
2026-02-08T12:54:12.896563Z
{ "verified": true, "answer": 21055, "timestamp": "2026-02-08T12:54:12.904122Z" }
71167a
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 501, "completion_tokens": 2671 }, "timestamp": "2026-02-09T02:27:54.274Z", "answer": 6 }, { "i...
1
[ { "lemma": "B1", "status": "ok_later" }, { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok"...
{ "lo": 1.49, "mid": 4.54, "hi": 7.77 }
e91218
algebra_quadratic_discriminant_v1_865884756_3466
Let $n = 4$, $a = 2$, and $c = 1$. 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 $b = |P|$. Compute $b^2 - 4ac$. Let $Q$ be the remainder when $59446$ times this value is divided by $71811$. Determine the value of $Q$...
49,460
graphs = [ Graph( let={ "_n": Const(4), "a": Const(2), "b": CountOverSet(set=SolutionsSet(var=Var("p"), condition=And(IsPositive(arg=Var(name='p')), Exists(var=Var(name='q'), condition=And(Eq(left=Mul(Var(name='p'), Var(name='q')), right=Const(value=6)), Eq(left=GCD(a=Var...
NT
null
COMPUTE
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS" ]
2bb3aa
algebra_quadratic_discriminant_v1
null
3
0
[ "COPRIME_PAIRS" ]
1
0.006
2026-02-08T17:28:01.455162Z
{ "verified": true, "answer": 49460, "timestamp": "2026-02-08T17:28:01.460965Z" }
89fbe7
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": 938 }, "timestamp": "2026-02-18T02:24:28.624Z", "answer": 49460 }, {...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "V5", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
63feab
geo_count_lattice_triangle_v1_784195855_2428
Let the area of a triangle with vertices at $(233, 256)$, $(300, 377)$, and $(0, 0)$ be denoted by $A$. Define $\text{area}_{2x} = \left| 2 \cdot A \right|$. Let $b$ be the number of lattice points on the boundary of this triangle, computed as the sum of the greatest common divisors of the differences in coordinates al...
48,436
graphs = [ Graph( let={ "_n": Const(2), "area_2x": Abs(arg=Sum(Mul(Const(value=233), Const(value=377)), Mul(Const(value=300), Sub(left=Const(value=0), right=Const(value=256))))), "boundary": Sum(GCD(a=Abs(arg=Const(value=233)), b=Abs(arg=Const(value=256))), GCD(a=Abs(arg=...
NT
null
COUNT
sympy
C3
[ "MIN_PRIME_FACTOR" ]
bc3776
geo_count_lattice_triangle_v1
null
6
0
[ "C3", "MIN_PRIME_FACTOR" ]
2
0.135
2026-02-08T05:44:37.376958Z
{ "verified": true, "answer": 48436, "timestamp": "2026-02-08T05:44:37.512348Z" }
d4ec96
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 261, "completion_tokens": 4603 }, "timestamp": "2026-02-12T13:17:51.253Z", "answer": 48436 }, ...
1
[ { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "MOD_SUB", "sta...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
bff00f
antilemma_k3_v1_1520064083_9341
Let $ n = 10764 $. Define $$ S = \sum_{d \mid n} \phi(d), $$ where the sum is taken over all positive divisors $ d $ of $ n $, and $ \phi $ denotes Euler's totient function. Compute $ S $.
10,764
graphs = [ Graph( let={ "x": SumOverDivisors(n=Const(value=10764), 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
2026-02-08T10:41:32.396654Z
{ "verified": true, "answer": 10764, "timestamp": "2026-02-08T10:41:32.397077Z" }
db4911
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 104, "completion_tokens": 266 }, "timestamp": "2026-02-14T08:06:17.291Z", "answer": 10764 }, {...
1
[ { "lemma": "K3", "status": "ok" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "V3", "status": "no" }, { "lemma": "V5", "status": "no" } ]
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
1a03f6
antilemma_sum_equals_v1_1520064083_7396
Let $m = 84921$. Let $n$ be the number of ordered pairs $(i, j)$ such that $1 \leq i \leq 8$ and $1 \leq j \leq 9$. Let $x$ be the number of ordered pairs $(i, j)$ with $1 \leq i \leq 70$ and $1 \leq j \leq 70$ such that $i + j = n$. Compute the remainder when $84921 \cdot x$ is divided by $90691$.
55,325
graphs = [ Graph( let={ "_m": Const(84921), "_n": CountOverSet(set=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(8)), right=IntegerRange(start=Const(1), end=Const(9)))), "x": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=...
COMB
GEOM
COMPUTE
sympy
LIN_FORM
[ "COUNT_CARTESIAN/COUNT_SUM_EQUALS", "COUNT_SUM_EQUALS" ]
8bee9e
antilemma_sum_equals_v1
null
4
0
[ "COUNT_CARTESIAN", "COUNT_SUM_EQUALS", "LIN_FORM" ]
3
0.024
2026-02-08T09:00:35.587786Z
{ "verified": true, "answer": 55325, "timestamp": "2026-02-08T09:00:35.611644Z" }
d614fc
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 229, "completion_tokens": 1142 }, "timestamp": "2026-02-24T10:21:14.496Z", "answer": 55325 }, { "...
1
[ { "lemma": "COUNT_CARTESIAN", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", ...
{ "lo": -2.35, "mid": 1.22, "hi": 4.84 }
c7f42a
sequence_count_fib_divisible_v1_1915831931_1290
Let $A$ be the set of all ordered pairs $(x, y)$ of positive integers such that $xy = 151321$. Let $s$ be the minimum value of $x + y$ over all such pairs. Compute the number of positive integers $n$ such that $1 \leq n \leq s$ and $13$ divides the $n$-th Fibonacci number. Let this number be $r$. Compute $$\sum_{n=1}^{...
3,788
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(151321)))), expr=Sum(Var("x"), Var("y")))), "d": Const(1...
NT
null
COUNT
sympy
B3
[ "B3" ]
0cd20d
sequence_count_fib_divisible_v1
null
6
0
[ "B3" ]
1
0.083
2026-02-08T15:58:54.824486Z
{ "verified": true, "answer": 3788, "timestamp": "2026-02-08T15:58:54.907674Z" }
8332cd
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 149, "completion_tokens": 2953 }, "timestamp": "2026-02-16T19:27:51.698Z", "answer": 3788 }, {...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "V3", "status": "no" }, { "lemma": "V5", "status": "no" }, { "lemma": "V8", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
2f7fd0
comb_bell_compute_v1_153355830_1789
Let $p$ and $q$ be positive integers such that $pq = 54$, $\gcd(p, q) = 1$, and $p < q$. Compute the number of such integers $p$, and let this count be $m$. Let $n = 8$. Compute the Bell number $B_n$, the number of partitions of an $n$-element set, and let this value be $b$. Let $d$ be the smallest integer such that $d...
52,678
graphs = [ Graph( let={ "_m": Const(56585), "_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(nam...
NT
COMB
COMPUTE
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS/MIN_PRIME_FACTOR" ]
902529
comb_bell_compute_v1
negation_mod
5
0
[ "COPRIME_PAIRS", "MIN_PRIME_FACTOR" ]
2
0.002
2026-02-08T06:36:59.230948Z
{ "verified": true, "answer": 52678, "timestamp": "2026-02-08T06:36:59.232609Z" }
9a22a5
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 175, "completion_tokens": 2256 }, "timestamp": "2026-02-13T02:38:23.583Z", "answer": 52678 }, ...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "DS2", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok_later" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "V3", "status"...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
85b032
sequence_lucas_compute_v1_865884756_1519
Let $n$ be the number of integers $t$ with $45 \leq t \leq 120$ for which there exist integers $a$ and $b$ such that $1 \leq a \leq 10$, $1 \leq b \leq 2$, and $t = 6a + 21b + 18$. Let $L_n$ denote the $n$th Lucas number. Compute the remainder when $44121 \cdot L_n$ is divided by $57506$.
3,731
graphs = [ Graph( let={ "_n": Const(57506), "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=10)), Geq(left=V...
NT
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
sequence_lucas_compute_v1
null
5
0
[ "LIN_FORM" ]
1
0.002
2026-02-08T16:06:36.804593Z
{ "verified": true, "answer": 3731, "timestamp": "2026-02-08T16:06:36.806922Z" }
6491d5
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 152, "completion_tokens": 1994 }, "timestamp": "2026-02-16T21:38:52.070Z", "answer": 3731 }, {...
1
[ { "lemma": "K17", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
a0eda0
comb_factorial_compute_v1_601307018_7094
Let $M$ be the minimum value of $x + y$ over all ordered pairs $(x, y)$ of positive integers with $1 \le x \le y$ and $xy = 1936$. Let $n$ be the largest positive integer $d$ such that $d^2 \le M$ and $d \mid 88$. Compute $n!$.
40,320
graphs = [ Graph( let={ "_m": Const(88), "_n": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Mul(Var("x"), Var("y")), Const(1936)), Leq(Var("x"), Var("y")))), expr=Su...
COMB
NT
COMPUTE
sympy
B3
[ "B3/B3_CLOSEST" ]
c16e36
comb_factorial_compute_v1
null
4
0
[ "B3", "B3_CLOSEST" ]
2
0.003
2026-03-10T07:44:25.589009Z
{ "verified": true, "answer": 40320, "timestamp": "2026-03-10T07:44:25.591851Z" }
54fd8d
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": 671 }, "timestamp": "2026-04-19T05:57:44.649Z", "answer": 40320 }, { "...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "B3_CLOSEST", "status": "ok_later" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no...
{ "lo": -5.34, "mid": 1.1, "hi": 7.53 }
c8508e
nt_sum_over_divisible_v1_809748730_583
Let $S$ be the set of all ordered pairs $(x, y)$ of positive integers such that $xy = 1444$. Let $s_{\text{min}}$ be the minimum value of $x + y$ as $(x, y)$ ranges over $S$. Let $T$ be the set of all positive integers $n$ such that $1 \le n \le 27889$ and $n$ is divisible by $s_{\text{min}}$. Let $\text{result}$ be th...
2,872
graphs = [ Graph( let={ "_n": Const(80876), "upper": Const(27889), "divisor": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Mul(Var("x"), Var("y")), Const...
NT
null
SUM
sympy
B3
[ "B3" ]
0cd20d
nt_sum_over_divisible_v1
null
4
0
[ "B3" ]
1
1.848
2026-02-08T11:36:14.211773Z
{ "verified": true, "answer": 2872, "timestamp": "2026-02-08T11:36:16.060035Z" }
05f08b
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 183, "completion_tokens": 1487 }, "timestamp": "2026-02-14T17:02:56.973Z", "answer": 2872 }, {...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "K13", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "V8", "status": "no" } ]
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
691958
diophantine_fbi2_count_v1_784195855_8378
Let $k = 240$. Define $A$ to be the set of all integers $d$ such that $4 \leq d \leq 81$, $d$ divides $k$, and $2 \leq \frac{k}{d} \leq 79$. Let $\text{result} = |A|$, the number of elements in $A$. Let $N = 35574$. Define $B$ to be the set of all positive integers $n$ such that $1 \leq n \leq N$ and $8$ divides the $...
6,349
graphs = [ Graph( let={ "_n": Const(35574), "k": Const(240), "result": CountOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(4)), Leq(Var("d"), Const(81)), Divides(divisor=Var("d"), dividend=Ref("k")), Geq(Div(Ref("k"), Var("d")), Const(2)), Leq(Di...
NT
null
COUNT
sympy
COUNT_FIB_DIVISIBLE
[ "COUNT_FIB_DIVISIBLE" ]
a43f88
diophantine_fbi2_count_v1
quadratic_mod
5
0
[ "COUNT_FIB_DIVISIBLE" ]
1
0.019
2026-02-08T16:02:22.225959Z
{ "verified": true, "answer": 6349, "timestamp": "2026-02-08T16:02:22.244998Z" }
50249e
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 207, "completion_tokens": 1915 }, "timestamp": "2026-02-16T19:08:13.417Z", "answer": 6349 }, {...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "ok" }, { "lemma": "K5", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "V5", "status": "no" }, { "lemma": "V7", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
511aab
nt_euler_phi_compute_v1_124444284_974
Let $n = 91483$. Let $n_1$ be the number of integers $t$ such that $18 \leq t \leq 110$ and there exist integers $a$ and $b$ with $1 \leq a \leq 5$, $1 \leq b \leq 19$, and $t = 5a + 4b + 9$. Let $f$ be the number of distinct prime factors of $n_1$. Let $p = 19$ and let $c$ be the remainder when $ (p - f)! + 1 $ is div...
49,450
graphs = [ Graph( let={ "_n": Const(91483), "n1": 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=V...
NT
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM/OMEGA_ONE", "WILSON" ]
119196
nt_euler_phi_compute_v1
null
6
2
[ "LIN_FORM", "OMEGA_ONE", "WILSON" ]
3
0.004
2026-02-08T03:37:30.853042Z
{ "verified": true, "answer": 49450, "timestamp": "2026-02-08T03:37:30.856587Z" }
21c562
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 310, "completion_tokens": 5299 }, "timestamp": "2026-02-09T08:11:05.381Z", "answer": 49450 }, { ...
1
[ { "lemma": "DS2", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "OMEGA_ONE", "status": "ok_later...
{ "lo": -6.49, "mid": 0.51, "hi": 7.52 }
dd0f6b
comb_count_surjections_v1_1218484723_1770
Let $k$ be the number of non-negative integers $a$ with $0 \le a \le 7920$ such that $$\left(\left(a^{2} -1437 \bmod 7921\right)^{2} -1437 \bmod 7921\right)^{2} -1437 \bmod 7921 = a,$$ and $a^{2} -1437 \bmod 7921 \ne a$, and $\left(a^{2} -1437 \bmod 7921\right)^{2} -1437 \bmod 7921 \ne a$. Compute $k! \cdot S(5, k)$, w...
150
graphs = [ Graph( let={ "n": Const(5), "k": CountOverSet(set=SolutionsSet(var=Var("a"), condition=And(Geq(Var("a"), Const(0)), Leq(Var("a"), Const(7920)), Eq(Mod(value=Sum(Pow(Mod(value=Sum(Pow(Mod(value=Sum(Pow(Var("a"), Const(2)), Const(-1437)), modulus=Const(7921)), Const(2)), Con...
COMB
null
COUNT
sympy
POLY_ORBIT_HENSEL
[ "POLY_ORBIT_HENSEL" ]
53b6eb
comb_count_surjections_v1
null
5
0
[ "POLY_ORBIT_HENSEL" ]
1
0.002
2026-02-25T03:26:11.047163Z
{ "verified": true, "answer": 150, "timestamp": "2026-02-25T03:26:11.048721Z" }
068084
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 1, "correct": { "strict": false, "boxed": false, "relaxed": true }, "usage": { "prompt_tokens": 277, "completion_tokens": 32768 }, "timestamp": "2026-03-29T01:19:40.937Z", "answer": null }, { ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "POLY_ORBIT_HENSEL", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8_SUM", "status...
{ "lo": 3.14, "mid": 5.37, "hi": 7.61 }
e56eef
nt_max_prime_below_v1_865884756_1518
Let $S$ be the set of all positive integers $p$ for which there exists a positive integer $q$ such that $pq = 12$, $\gcd(p, q) = 1$, and $p < q$. Let $k$ be the number of elements in $S$. Determine the largest prime number $n$ such that $n \geq k$ and $n \leq 66049$.
66,047
graphs = [ Graph( let={ "upper": Const(66049), "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
3
0
[ "COPRIME_PAIRS" ]
1
1.712
2026-02-08T16:06:35.086046Z
{ "verified": true, "answer": 66047, "timestamp": "2026-02-08T16:06:36.797772Z" }
c4bbdb
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": 2241 }, "timestamp": "2026-02-16T21:38:00.548Z", "answer": 66047 }, ...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", ...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
e39974
nt_count_coprime_and_v1_1978505735_2373
Let $k_1 = 4$ and let $k_2$ be one more than the number of nonnegative integers $j$ such that $0 \leq j \leq 448$ and $\binom{448}{j}$ is odd. Let $C$ be the number of positive integers $n$ such that $1 \leq n \leq 80085$, $\gcd(n, k_1) = 1$, and $\gcd(n, k_2) = 1$. Compute the remainder when $24242 \cdot C$ is divided...
41,066
graphs = [ Graph( let={ "_n": Const(50729), "upper": Const(80085), "k1": Const(4), "k2": Sum(CountOverSet(set=SolutionsSet(var=Var("j"), condition=And(Geq(Var("j"), Const(0)), Leq(Var("j"), Const(448)), Eq(Mod(value=Binom(n=Const(448), k=Var("j")), modulus=Con...
NT
null
COUNT
sympy
V8
[ "V8" ]
86348e
nt_count_coprime_and_v1
null
6
0
[ "V8" ]
1
20.126
2026-02-08T16:51:16.758600Z
{ "verified": true, "answer": 41066, "timestamp": "2026-02-08T16:51:36.884517Z" }
3dffcf
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 168, "completion_tokens": 2261 }, "timestamp": "2026-02-17T13:57:04.947Z", "answer": 41066 }, ...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "V8", "status": "ok" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
8734a1
antilemma_k3_v1_168721529_412
Let $n = 8418$. Define $S = \sum_{d \mid n} \phi(d)$, where $\phi$ denotes Euler's totient function. Compute $\sum_{d \mid S} \phi(d)$.
8,418
graphs = [ Graph( let={ "_n": Const(8418), "x": SumOverDivisors(n=SumOverDivisors(n=Ref(name='_n'), var='d', expr=EulerPhi(n=Var(name='d'))), var='d', expr=EulerPhi(n=Var(name='d'))), }, goal=Ref("x"), ) ]
NT
COMB
COMPUTE
sympy
K3
[ "K3/K3", "K3" ]
79f53d
antilemma_k3_v1
null
4
0
[ "K3" ]
1
0.001
2026-02-08T13:02:39.021591Z
{ "verified": true, "answer": 8418, "timestamp": "2026-02-08T13:02:39.022581Z" }
12e934
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 164, "completion_tokens": 675 }, "timestamp": "2026-02-09T04:44:21.739Z", "answer": 8418 }, { "id...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "K3", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -5.66, "mid": -2.15, "hi": 1.82 }
698da0
nt_sum_totient_over_divisors_v1_151522320_809
Let $S$ be the set of all ordered pairs $(x, y)$ of positive integers such that $xy = 2149156$. Let $n$ be the minimum value of $x + y$ as $(x, y)$ ranges over $S$. Compute $\sum_{d\mid n} \phi(d)$, where $\phi$ denotes Euler's totient function.
2,932
graphs = [ Graph( let={ "n": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Mul(Var("x"), Var("y")), Const(2149156)))), expr=Sum(Var("x"), Var("y")))), "result": SumOv...
NT
null
COMPUTE
sympy
B3
[ "B3" ]
0cd20d
nt_sum_totient_over_divisors_v1
null
6
0
[ "B3" ]
1
0.01
2026-02-08T03:32:57.390751Z
{ "verified": true, "answer": 2932, "timestamp": "2026-02-08T03:32:57.400461Z" }
c3cf01
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": 1370 }, "timestamp": "2026-02-10T13:52:55.578Z", "answer": 2932 }, { "...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "V5", "status": "no" }, { "lemma": "V8_SUM", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -3.42, "mid": 1.86, "hi": 7.55 }
ae5340
nt_count_coprime_and_v1_1742523217_5361
Let $U = 31418$. Let $k_1 = 5$ and let $k_2$ be the largest prime number not exceeding $12$. Determine the number of positive integers $n$ with $1 \leq n \leq U$ such that $\gcd(n, k_1) = 1$ and $\gcd(n, k_2) = 1$.
22,850
graphs = [ Graph( let={ "upper": Const(31418), "k1": Const(5), "k2": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Const(12)), IsPrime(Var("n"))))), "result": CountOverSet(set=SolutionsSet(var=Var("n"), conditio...
NT
null
COUNT
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW" ]
dc3ad3
nt_count_coprime_and_v1
null
4
0
[ "MAX_PRIME_BELOW" ]
1
4.113
2026-02-08T10:56:23.399836Z
{ "verified": true, "answer": 22850, "timestamp": "2026-02-08T10:56:27.513260Z" }
a9e7e1
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 127, "completion_tokens": 908 }, "timestamp": "2026-02-14T09:40:39.579Z", "answer": 22850 }, {...
1
[ { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" ...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
63d296
sequence_fibonacci_compute_v1_1431428450_693
Let $F_n$ denote the $n$th Fibonacci number, where $F_1 = 1$, $F_2 = 1$, and $F_n = F_{n-1} + F_{n-2}$ for $n \geq 3$. Let $f = F_{23}$. Let $T$ be the set of all ordered pairs $(x, y)$ of positive integers such that $xy = 8242641$. Let $c$ be the minimum value of $x + y$ as $(x, y)$ ranges over $T$. Compute the rema...
6,385
graphs = [ Graph( let={ "_n": Const(68077), "n": Const(23), "result": Fibonacci(arg=Ref(name='n')), "_c": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name=...
NT
null
COMPUTE
sympy
B3
[ "B3" ]
e0298c
sequence_fibonacci_compute_v1
affine_mod
3
0
[ "B3" ]
1
0.003
2026-02-08T13:38:13.282527Z
{ "verified": true, "answer": 6385, "timestamp": "2026-02-08T13:38:13.285898Z" }
49cef5
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 184, "completion_tokens": 1352 }, "timestamp": "2026-02-15T18:59:58.160Z", "answer": 6385 }, {...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "K17", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V1", "status": "no" } ]
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
95156c
modular_mod_compute_v1_1520064083_5267
Let $n = 11$ and let $a = -11025$. Let $m$ be the smallest divisor of $6602797855853$ that is at least $2$. Define $r$ to be the remainder when $a$ is divided by $m$, and let $b = |r|$. Compute the Bell number $B_k$, where $k$ is the remainder when $b$ is divided by $n$. Find the value of this Bell number.
1
graphs = [ Graph( let={ "_n": Const(11), "a": Const(-11025), "m": MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(2)), Divides(divisor=Var("d"), dividend=Const(6602797855853))))), "result": Mod(value=Ref("a"), modulus=Ref("m")), ...
NT
COMB
COMPUTE
sympy
LIN_FORM
[ "MIN_PRIME_FACTOR" ]
bc3776
modular_mod_compute_v1
null
4
0
[ "LIN_FORM", "MIN_PRIME_FACTOR" ]
2
0.012
2026-02-08T06:42:34.164540Z
{ "verified": true, "answer": 1, "timestamp": "2026-02-08T06:42:34.176418Z" }
1169a9
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 1, "correct": { "strict": false, "boxed": false, "relaxed": true }, "usage": { "prompt_tokens": 146, "completion_tokens": 2176 }, "timestamp": "2026-02-13T03:28:34.861Z", "answer": 21147 }, ...
1
[ { "lemma": "K14", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "MOD_ADD", "status": "no" } ]
{ "lo": -7.01, "mid": -4.68, "hi": -2.15 }
47dcd8
nt_sum_gcd_range_mod_v1_2051736721_4112
Let $N = 5476$ and $k = 108$. Define $S = \sum_{n=1}^{N} \gcd(n, k)$. Let $R$ be the remainder when $S$ is divided by $11087$. Compute the sum of the squares of the positions (starting from position 1 for the units digit) of each digit in the decimal representation of $R$, multiplied by the digit itself. That is, if $R...
3,093
graphs = [ Graph( let={ "_n": Const(10), "N": Const(5476), "k": Const(108), "M": Const(11087), "sum": Summation(var="n", start=Const(1), end=Ref("N"), expr=GCD(a=Var("n"), b=Ref("k"))), "result": Mod(value=Ref("sum"), modulus=Ref("M")),...
NT
null
COMPUTE
sympy
C4
[ "C4" ]
23544e
nt_sum_gcd_range_mod_v1
digits_weighted_mod
6
0
[ "C4" ]
1
0.394
2026-02-08T17:44:39.190755Z
{ "verified": true, "answer": 3093, "timestamp": "2026-02-08T17:44:39.584322Z" }
7f8574
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 242, "completion_tokens": 4694 }, "timestamp": "2026-02-18T07:58:46.889Z", "answer": 3093 }, {...
1
[ { "lemma": "C4", "status": "ok" }, { "lemma": "K15", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
273710_n
alg_telescope_v1_1218484723_5577
A digital counter cycles through levels, and at each level $k$ from $0$ to $29^0 + 29^1 + 29^2$, it emits $3k^2 + 3k + 1$ energy units. The total energy emitted, reduced modulo $3784$, is $M$. Compute the remainder when $42809M$ is divided by $69690$.
2,012
ALG
null
COMPUTE
sympy
SUM_GEOM
[ "SUM_GEOM" ]
04214c
alg_telescope_v1
null
3
null
[ "SUM_GEOM" ]
1
0.056
2026-02-25T07:04:39.374542Z
null
e3b46e
273710
narrative
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 193, "completion_tokens": 3272 }, "timestamp": "2026-03-30T23:43:31.945Z", "answer": 2012 }, { "i...
1
[ { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "SUM_GEOM", "status": "ok" } ]
{ "lo": -5.37, "mid": 0.23, "hi": 5.22 }
9d1978
comb_count_derangements_v1_601307018_3504
Let $D_n$ denote the number of derangements of $n$ elements. For each integer $a$ with $0 \le a \le 72$, define: \[ \begin{aligned} M &= a^{36} \bmod 73, \\ R &= (a^2 - 31) \bmod 73, \\ S &= R^{36} \bmod 73, \\ T &= (R^2 - 31) \bmod 73, \\ K &= T^{36} \bmod 73, \\ L &= (T^2 - 31) \bmod 73, \\ P &= L^{36} \bmod 73, \\ Q...
14,833
graphs = [ Graph( let={ "_n": Const(72), "n": CountOverSet(set=SolutionsSet(var=Var("a"), condition=And(Geq(Var("a"), Const(0)), Leq(Var("a"), Ref("_n")), Eq(Ref("_po_p4"), Var("a")), Neq(Ref("_po_p1"), Var("a")), Neq(Ref("_po_p2"), Var("a")), Neq(Ref("_po_p3"), Var("a")), Congruent(...
COMB
NT
COUNT
sympy
POLY_ORBIT_LEGENDRE
[ "POLY_ORBIT_LEGENDRE" ]
7c2be8
comb_count_derangements_v1
null
6
0
[ "POLY_ORBIT_LEGENDRE" ]
1
0.002
2026-03-10T04:06:45.952358Z
{ "verified": true, "answer": 14833, "timestamp": "2026-03-10T04:06:45.954825Z" }
edd59a
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 348, "completion_tokens": 15069 }, "timestamp": "2026-03-29T08:55:00.901Z", "answer": 14833 }, { ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "POLY_ORBIT_LEGENDRE", "status": "ok" }, { "lemma": "V7",...
{ "lo": 1.23, "mid": 4.27, "hi": 6.7 }
c229d7
comb_catalan_compute_v1_1742523217_178
Let $T$ be the set of all integers $t$ such that $7 \leq t \leq 20$ and there exist integers $a$ and $b$ with $1 \leq a \leq 5$, $1 \leq b \leq 2$, and $t = 2a + 5b$. Let $n$ be the number of elements in $T$. Define $C_n$ to be the $n$-th Catalan number. Let $Q$ be the smallest positive integer $k$ such that the $k$-th...
228
graphs = [ Graph( let={ "n": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=5)), Geq(left=Var(name='b'), right=Const(value=1...
COMB
NT
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
comb_catalan_compute_v1
null
6
0
[ "LIN_FORM" ]
1
0.003
2026-02-08T02:54:54.522857Z
{ "verified": true, "answer": 228, "timestamp": "2026-02-08T02:54:54.526158Z" }
153a34
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 255, "completion_tokens": 7577 }, "timestamp": "2026-02-09T14:32:02.960Z", "answer": 228 }, { "id...
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", "status": "no" } ]
{ "lo": 0.61, "mid": 2.4, "hi": 3.92 }
1ec359
alg_poly_orbit_count_v1_1218484723_2979
For a non-negative integer $a$ with $0 \le a \le 57027$, define the sequence $N = (a^3 - 3a) \bmod 53$, $M = (N^3 - 3N) \bmod 53$, and $R = (M^3 - 3M) \bmod 53$. Find the number of such $a$ for which $R = a$, $N \neq a$, and $M \neq a$.
12,912
graphs = [ Graph( let={ "p1": Mod(value=Sum(Pow(Var("a"), Const(3)), Mul(Const(-3), Var("a"))), modulus=Const(53)), "p2": Mod(value=Sum(Pow(Ref("p1"), Const(3)), Mul(Const(-3), Ref("p1"))), modulus=Const(53)), "p3": Mod(value=Sum(Pow(Ref("p2"), Const(3)), Mul(Const(-3), R...
ALG
null
COUNT
sympy
POLY_ORBIT_COUNT
[ "POLY_ORBIT_COUNT" ]
4ad965
alg_poly_orbit_count_v1
null
6
null
[ "POLY_ORBIT_COUNT" ]
1
0.013
2026-02-25T04:42:30.958211Z
{ "verified": true, "answer": 12912, "timestamp": "2026-02-25T04:42:30.970914Z" }
941c1b
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 216, "completion_tokens": 16172 }, "timestamp": "2026-03-29T07:43:17.474Z", "answer": 9 }, { "...
1
[ { "lemma": "POLY_ORBIT_COUNT", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": 3.81, "mid": 6.33, "hi": 9.49 }
36604c
algebra_quadratic_discriminant_v1_153355830_2951
Let $S$ be the set of all pairs of positive integers $(p, q)$ such that $p < q$, $pq = 18$, and $\gcd(p, q) = 1$. Let $T$ be the set of all pairs of positive integers $(p, q)$ such that $p < q$, $pq = 6750$, and $\gcd(p, q) = 1$. Let $m = |S|$ and $n = |T|$. Compute the value of $$ 75365 \cdot \left((-16)^m - (-1) \cdo...
0
graphs = [ Graph( let={ "a": Const(-1), "b": Const(-16), "c": Const(-64), "result": Sub(Pow(Ref("b"), CountOverSet(set=SolutionsSet(var=Var("p"), condition=And(IsPositive(arg=Var(name='p')), Exists(var=Var(name='q'), condition=And(Eq(left=Mul(Var(name='p'), Va...
NT
null
COMPUTE
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS" ]
2bb3aa
algebra_quadratic_discriminant_v1
null
5
0
[ "COPRIME_PAIRS" ]
1
0.003
2026-02-08T07:29:12.496378Z
{ "verified": true, "answer": 0, "timestamp": "2026-02-08T07:29:12.499387Z" }
0fce40
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 178, "completion_tokens": 2298 }, "timestamp": "2026-02-13T10:33:08.373Z", "answer": 0 }, { ...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "K15", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "V5", "status": "no" } ]
{ "lo": -5.92, "mid": -3.14, "hi": 0.26 }
a92552
comb_catalan_compute_v1_1520064083_1876
Let $m = 24$. Let $s$ be the number of ordered pairs $(x_1, x_2)$ of positive odd integers such that $x_1 + x_2 = m$. Let $n$ be the number of ordered pairs $(i, j)$ with $1 \leq i \leq 11$ and $1 \leq j \leq 12$ such that $i + j = s$. Compute the $n$-th Catalan number.
58,786
graphs = [ Graph( let={ "_m": Const(24), "_n": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x1"), Var("x2")]), condition=And(IsPositive(arg=Var(name='x1')), IsPositive(arg=Var(name='x2')), IsOdd(arg=Var(name='x1')), IsOdd(arg=Var(name='x2')), Eq(Sum(Var("x1"), Var("x2")), R...
COMB
null
COMPUTE
sympy
COMB1
[ "COMB1/COUNT_SUM_EQUALS" ]
4d9cac
comb_catalan_compute_v1
null
6
0
[ "COMB1", "COUNT_SUM_EQUALS" ]
2
0.012
2026-02-08T04:21:15.984286Z
{ "verified": true, "answer": 58786, "timestamp": "2026-02-08T04:21:15.995920Z" }
40d7f8
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 214, "completion_tokens": 2617 }, "timestamp": "2026-02-24T00:24:04.217Z", "answer": 58786 }, { "...
1
[ { "lemma": "COMB1", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok_later" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", ...
{ "lo": -4.92, "mid": -2.9, "hi": -0.7 }
b9c0f5
nt_sum_divisors_compute_v1_1248542787_254
Let $n = 20323$. Compute $\sigma(n)$, the sum of the positive divisors of $n$. Let $c$ be the number of integers $k$ such that $\mu(\gcd(5,7)) \le k \le 20665$ and $\gcd(k, 12) = 1$, where $\mu$ is the M\"obius function. Compute the remainder when $c - \sigma(n)$ is divided by $73316$.
59,881
graphs = [ Graph( let={ "_n": Const(12), "n": Const(20323), "result": SumDivisors(n=Ref("n")), "_c": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), SumOverDivisors(n=GCD(a=Const(value=5), b=Const(value=7)), var='d', expr=MoebiusMu(n=Va...
NT
null
COMPUTE
sympy
C4
[ "C4", "MOBIUS_COPRIME" ]
33f0a2
nt_sum_divisors_compute_v1
negation_mod
5
0
[ "C4", "MOBIUS_COPRIME" ]
2
0.002
2026-02-08T03:02:02.271010Z
{ "verified": true, "answer": 59881, "timestamp": "2026-02-08T03:02:02.273482Z" }
e50c1d
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 211, "completion_tokens": 2287 }, "timestamp": "2026-02-09T14:23:41.262Z", "answer": 59881 }, { ...
1
[ { "lemma": "C4", "status": "ok" }, { "lemma": "K14", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MOBIUS_COPRIME", "status": "ok" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": ...
{ "lo": -6.49, "mid": 0.51, "hi": 7.52 }
629d99
comb_count_derangements_v1_1874849503_857
Let $m = 13013$. Let $d_{\min}$ be the smallest divisor of $m$ that is at least $2$. Define $n$ to be the largest prime number $p$ such that $2 \leq p \leq d_{\min}$. Let $!n$ denote the number of derangements of $n$ elements. Compute the remainder when $38363 \cdot (!n)$ is divided by $62039$.
28,308
graphs = [ Graph( let={ "_m": Const(13013), "_n": Const(2), "n": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Ref("_n")), Leq(Var("n"), MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(2)), Divides(divisor=Var("d"), divi...
NT
COMB
COUNT
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR/MAX_PRIME_BELOW" ]
e4e16c
comb_count_derangements_v1
null
4
0
[ "MAX_PRIME_BELOW", "MIN_PRIME_FACTOR" ]
2
0.003
2026-02-08T13:21:32.482643Z
{ "verified": true, "answer": 28308, "timestamp": "2026-02-08T13:21:32.485798Z" }
6a21a6
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": 1760 }, "timestamp": "2026-02-09T21:51:41.254Z", "answer": 28308 }, { "...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "s...
{ "lo": -5.49, "mid": 0.03, "hi": 6.12 }
af9dcc
modular_modexp_compute_v1_865884756_3796
Let $s = 136$. Consider all ordered pairs $(x, y)$ of positive integers such that $x + y = s$. Let $e$ be the maximum value of $xy$ over all such pairs. Let $a = 17$ and $m = 16384$. Compute the remainder when $a^e$ is divided by $m$.
6,401
graphs = [ Graph( let={ "_n": Const(136), "a": Const(17), "e": MaxOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Sum(Var("x"), Var("y")), Ref("_n")))), expr=M...
NT
null
COMPUTE
sympy
B1
[ "B1" ]
5b950e
modular_modexp_compute_v1
null
4
0
[ "B1" ]
1
0.003
2026-02-08T17:34:47.307272Z
{ "verified": true, "answer": 6401, "timestamp": "2026-02-08T17:34:47.310415Z" }
f829a7
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": 2598 }, "timestamp": "2026-02-18T04:09:01.110Z", "answer": 6401 }, {...
1
[ { "lemma": "B1", "status": "ok" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "V3", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
cc6ae4
geo_count_lattice_rect_v1_1915831931_336
Let $a = 66$ and $b = 15$. Compute the number of lattice points in the rectangle defined by $0 \leq x \leq a$ and $0 \leq y \leq b$, including the boundary.
1,072
graphs = [ Graph( let={ "a": Const(66), "b": Const(15), "result": LatticePointsRect(a=Ref(name='a'), b=Ref(name='b')), }, goal=Ref("result"), ) ]
GEOM
null
COUNT
sympy
[]
geo_count_lattice_rect_v1
null
2
0
null
null
0.001
2026-02-08T15:22:02.707637Z
{ "verified": true, "answer": 1072, "timestamp": "2026-02-08T15:22:02.708448Z" }
048c49
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 162, "completion_tokens": 112 }, "timestamp": "2026-02-24T20:41:58.179Z", "answer": 1072 }, { "id...
2
[]
{ "lo": -10, "mid": -7.42, "hi": -4.85 }
dabce5
modular_mod_compute_v1_809748730_533
Let $a$ be the number of nonnegative integers $j$ such that $0 \leq j \leq 3739$ and $\binom{3739}{j}$ is odd. Compute the remainder when $a$ is divided by 70756.
256
graphs = [ Graph( let={ "_n": Const(2), "a": CountOverSet(set=SolutionsSet(var=Var("j"), condition=And(Geq(Var("j"), Const(0)), Leq(Var("j"), Const(3739)), Eq(Mod(value=Binom(n=Const(3739), 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
2026-02-08T11:33:54.955995Z
{ "verified": true, "answer": 256, "timestamp": "2026-02-08T11:33:54.959016Z" }
eec4bc
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 166, "completion_tokens": 1862 }, "timestamp": "2026-02-24T14:26:20.408Z", "answer": 256 }, { "id...
1
[ { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "V8", "status": "ok" } ]
{ "lo": -2.35, "mid": 1.22, "hi": 4.84 }
c161c3
geo_count_lattice_rect_v1_1915831931_4148
Compute the number of lattice points $(x, y)$ such that $0 \leq x \leq 196$ and $0 \leq y \leq 56$.
11,229
graphs = [ Graph( let={ "a": Const(196), "b": Const(56), "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
2026-02-08T18:07:46.843307Z
{ "verified": true, "answer": 11229, "timestamp": "2026-02-08T18:07:46.843873Z" }
f17b66
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 81, "completion_tokens": 474 }, "timestamp": "2026-02-18T14:32:39.514Z", "answer": 11229 }, { ...
1
[]
{ "lo": -7.92, "mid": -4.6, "hi": -1.84 }
db8707
diophantine_fbi2_min_v1_1520064083_1503
Let $k$ be the number of positive integers $n$ with $1 \leq n \leq 1800$ such that $n \equiv \left\lfloor \frac{n}{2} \right\rfloor \pmod{5}$. Let $S$ be the set of all integers $d$ such that $4 \leq d \leq 370$, $d$ divides $k$, and $\frac{k}{d} \geq 7$. Determine the value of the smallest element in $S$.
4
graphs = [ Graph( let={ "_n": Const(1800), "k": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("_n")), Congruent(a=Var(name='n'), b=Floor(arg=Div(left=Var(name='n'), right=Const(value=2))), modulus=Const(value=5))))), ...
NT
null
EXTREMUM
sympy
SUM_INDEPENDENT
[ "L3C" ]
73f8b0
diophantine_fbi2_min_v1
null
6
0
[ "L3C", "SUM_INDEPENDENT" ]
2
0.172
2026-02-08T04:02:54.266063Z
{ "verified": true, "answer": 4, "timestamp": "2026-02-08T04:02:54.437940Z" }
4a6e64
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 226, "completion_tokens": 1456 }, "timestamp": "2026-02-10T15:23:49.005Z", "answer": 4 }, { "id"...
1
[ { "lemma": "DS2", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "L3C", "status": "ok" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "V5", "status": "no" } ]
{ "lo": -9.14, "mid": -6.05, "hi": -3.73 }
fc287e
comb_count_surjections_v1_124444284_3594
Let $n = 6$ and $k = 3$. Define $S(n,k)$ to be the Stirling number of the second kind, which counts the number of ways to partition a set of $n$ elements into $k$ nonempty subsets. Let $r = k! \cdot S(n,k)$. Compute the remainder when $44121 \cdot r$ is divided by $57086$.
20,478
graphs = [ Graph( let={ "n": Const(6), "k": Const(3), "result": Mul(Factorial(Ref("k")), Stirling2(n=Ref(name='n'), k=Ref(name='k'))), "Q": Mod(value=Mul(Const(44121), Ref("result")), modulus=Const(57086)), }, goal=Ref("Q"), ) ]
COMB
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM/COUNT_SUM_EQUALS" ]
8a3f7a
comb_count_surjections_v1
null
4
0
[ "COUNT_SUM_EQUALS", "LIN_FORM" ]
2
0.038
2026-02-08T05:28:16.499348Z
{ "verified": true, "answer": 20478, "timestamp": "2026-02-08T05:28:16.537580Z" }
aeb829
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 197, "completion_tokens": 1368 }, "timestamp": "2026-02-24T03:48:12.051Z", "answer": 20478 }, { "...
1
[ { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok_later" }, { "lemma": "LIN_FORM", "status": "ok" }, { "le...
{ "lo": -2.46, "mid": 0.47, "hi": 3.59 }
ec52c4
modular_sum_quadratic_residues_v1_1248542787_232
Let $n_0 = 2$ and $p = 613$. Define $r = \frac{p(p-1)}{4}$. Let $m$ be the largest prime number satisfying $n_0 \leq m \leq 41$. Compute the remainder when $m - r$ is divided by $97361$.
3,613
graphs = [ Graph( let={ "_n": Const(2), "p": Const(613), "result": Div(Mul(Ref("p"), Sub(Ref("p"), Const(1))), Const(4)), "Q": Mod(value=Sub(MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Ref("_n")), Leq(Var("n"), Const(41)), IsPrime(Var...
NT
null
SUM
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW" ]
2ed1de
modular_sum_quadratic_residues_v1
negation_mod
3
0
[ "MAX_PRIME_BELOW" ]
1
0.002
2026-02-08T03:01:34.470912Z
{ "verified": true, "answer": 3613, "timestamp": "2026-02-08T03:01:34.472529Z" }
8bea2f
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": 646 }, "timestamp": "2026-02-09T01:42:01.223Z", "answer": 3613 }, { "id...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "MAX_VAL", "sta...
{ "lo": -2.26, "mid": 0.01, "hi": 1.87 }
5a7b82
modular_count_residue_v1_1978505735_1046
Let $m$ be the average of the first components of all ordered pairs $(k, j)$ where $k$ ranges from 1 to 5 and $j$ ranges from 1 to 3, multiplied by 5. Let $r = 3$ and let $N$ be the number of positive integers $n \leq 83160$ such that $n \equiv r \pmod{m}$. Compute the remainder when $57521 \cdot N$ is divided by 83532...
54,780
graphs = [ Graph( let={ "_n": Const(83532), "upper": Const(83160), "m": Div(Mul(Const(5), SumOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("k"), Var("_j")]), condition=Const(1), domain=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(5)), rig...
NT
null
COUNT
sympy
SUM_INDEPENDENT
[ "SUM_INDEPENDENT/SUM_ARITHMETIC" ]
87e6cf
modular_count_residue_v1
null
3
0
[ "SUM_ARITHMETIC", "SUM_INDEPENDENT" ]
2
2.756
2026-02-08T15:45:18.386456Z
{ "verified": true, "answer": 54780, "timestamp": "2026-02-08T15:45:21.142351Z" }
c06607
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 151, "completion_tokens": 3087 }, "timestamp": "2026-02-16T13:07:29.695Z", "answer": 54780 }, ...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "SUM_ARITHMETIC", "status": "ok_later" }, { "lemma": "SUM_INDEPENDENT", ...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
ea3929
geo_count_lattice_rect_v1_153355830_2331
Compute the number of lattice points in the rectangle $[0, 81] \times [0, 125]$, including the boundary.
10,332
graphs = [ Graph( let={ "a": Const(81), "b": Const(125), "result": LatticePointsRect(a=Ref(name='a'), b=Ref(name='b')), }, goal=Ref("result"), ) ]
GEOM
null
COUNT
sympy
[]
geo_count_lattice_rect_v1
null
4
0
null
null
0
2026-02-08T07:04:01.168060Z
{ "verified": true, "answer": 10332, "timestamp": "2026-02-08T07:04:01.168521Z" }
7c7182
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 139, "completion_tokens": 208 }, "timestamp": "2026-02-24T07:31:30.124Z", "answer": 10332 }, { "i...
1
[]
{ "lo": -5.97, "mid": -3.97, "hi": -1.93 }
d8a8c3
nt_count_with_divisor_count_v1_2051736721_519
Let $n_0 = 4$ and $U = 25200$. Let $d$ be the largest prime number $n$ such that $2 \leq n \leq n_0$. Determine the number of positive integers $n_1$ with $1 \leq n_1 \leq U$ such that the number of positive divisors of $n_1$ is equal to $d$.
37
graphs = [ Graph( let={ "_n": Const(4), "upper": Const(25200), "div_count": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Ref("_n")), IsPrime(Var("n"))))), "result": CountOverSet(set=SolutionsSet(var=Var("n1"), ...
NT
null
COUNT
sympy
MIN_PRIME_FACTOR
[ "MAX_PRIME_BELOW" ]
dc3ad3
nt_count_with_divisor_count_v1
null
3
0
[ "MAX_PRIME_BELOW", "MIN_PRIME_FACTOR" ]
2
7.988
2026-02-08T15:29:12.863966Z
{ "verified": true, "answer": 37, "timestamp": "2026-02-08T15:29:20.851533Z" }
7581f4
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 131, "completion_tokens": 1057 }, "timestamp": "2026-02-16T06:43:45.510Z", "answer": 37 }, { ...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "VAL_SUM_EQ", "status": "no" ...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
267438
nt_gcd_compute_v1_548369836_415
Consider all ordered pairs of positive integers $(x, y)$ such that $xy = 7022500$. Let $a$ be the minimum value of $x + y$ over all such pairs. Let $b = 11925$. Compute $\gcd(a, b)$. Let $k$ be the smallest positive integer such that the $k$-th Fibonacci number is divisible by $|\gcd(a, b)| + 2$. Find the value of $k$.
1,328
graphs = [ Graph( let={ "a": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Mul(Var("x"), Var("y")), Const(7022500)))), expr=Sum(Var("x"), Var("y")))), "b": Const(1192...
NT
null
COMPUTE
sympy
B3
[ "B3" ]
0cd20d
nt_gcd_compute_v1
null
5
0
[ "B3" ]
1
0.002
2026-02-08T02:54:15.275567Z
{ "verified": true, "answer": 1328, "timestamp": "2026-02-08T02:54:15.277320Z" }
9e3bcf
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": 24086 }, "timestamp": "2026-02-23T18:12:11.211Z", "answer": 1328 }, { "...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "V7", "status": "no" ...
{ "lo": 3.22, "mid": 4.85, "hi": 6.59 }
94e93a
geo_visible_lattice_v1_1248542787_750
Let $n = 88$. Define a visible lattice point as an ordered pair $(x, y)$ of positive integers with $1 \leq x, y \leq n$ such that $\gcd(x, y) = 1$. Let $R$ be the number of visible lattice points for this $n$. Compute $51529 - R$.
46,794
graphs = [ Graph( let={ "n": Const(88), "result": VisibleLatticePoints(n=Ref(name='n')), "Q": Sub(Const(51529), Ref("result")), }, goal=Ref("Q"), ) ]
GEOM
null
COUNT
sympy
[]
geo_visible_lattice_v1
null
3
0
null
null
0.258
2026-02-08T03:23:09.686760Z
{ "verified": true, "answer": 46794, "timestamp": "2026-02-08T03:23:09.945067Z" }
d2558b
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 188, "completion_tokens": 4465 }, "timestamp": "2026-02-09T07:50:33.951Z", "answer": 46794 }, { "...
1
[]
{ "lo": 1.97, "mid": 4.36, "hi": 6.69 }
0daade
antilemma_k2_v1_784195855_5833
Compute $\sum_{k=1}^{230} \phi(k) \left\lfloor \frac{230}{k} \right\rfloor$.
26,565
graphs = [ Graph( let={ "_n": Const(230), "x": Summation(var="k", start=Const(1), end=Ref("_n"), expr=Mul(EulerPhi(n=Var("k")), Floor(Div(Const(230), Var("k"))))), }, goal=Ref("x"), ) ]
NT
COMB
COMPUTE
sympy
K2
[ "K2" ]
6897ab
antilemma_k2_v1
null
5
0
[ "K2" ]
1
0
2026-02-08T08:08:43.781683Z
{ "verified": true, "answer": 26565, "timestamp": "2026-02-08T08:08:43.782099Z" }
40dc36
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": 775 }, "timestamp": "2026-02-13T15:15:48.819Z", "answer": 26565 }, { ...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V3", "status": "...
{ "lo": -3.51, "mid": 1.33, "hi": 6.56 }
d498ed
comb_count_surjections_v1_865884756_6611
Let $n$ be the number of ordered pairs $(i, j)$ of integers such that $1 \leq i \leq 6$, $1 \leq j \leq 6$, and $i + j = 6$. Let $k = 3$. Define $S(n, k)$ to be the Stirling number of the second kind, which counts the number of ways to partition a set of $n$ elements into $k$ nonempty subsets. Compute the remainder whe...
19,860
graphs = [ Graph( let={ "_n": Const(97655), "n": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=Eq(Sum(Var("i"), Var("j")), Const(6)), domain=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(6)), right=IntegerRange(start=Const(1), end=Co...
COMB
null
COUNT
sympy
COUNT_SUM_EQUALS
[ "COUNT_SUM_EQUALS" ]
75ab0f
comb_count_surjections_v1
null
3
0
[ "COUNT_SUM_EQUALS" ]
1
0.013
2026-02-08T19:19:43.770419Z
{ "verified": true, "answer": 19860, "timestamp": "2026-02-08T19:19:43.782940Z" }
8813c6
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 167, "completion_tokens": 1663 }, "timestamp": "2026-02-18T21:51:48.485Z", "answer": 19860 }, ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "V8_SU...
{ "lo": -3.12, "mid": 1.47, "hi": 6.57 }
65938e
comb_sum_binomial_row_v1_458359167_4483
Let $A$ be the set of all positive integers $p$ for which there exists a positive integer $q$ such that $p < q$, $pq = 9258489240$, and $\gcd(p, q) = 1$. Let $t$ be the number of elements in $A$. Let $P$ be the set of all prime numbers $n$ such that $2 \leq n \leq t$. Let $p_{\max}$ be the largest element of $P$. Let $...
206
graphs = [ Graph( let={ "_n": Const(2), "n": Const(13), "result": Pow(Const(2), Ref("n")), "Q": Sum(Summation(var="i", start=Const(0), end=Sub(NumDigits(x=Abs(arg=Ref(name='result')), base=None), Const(1)), expr=Mul(Digit(x=Abs(arg=Ref(name='result')), k=Var(n...
NT
null
SUM
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS/MAX_PRIME_BELOW" ]
c12eb2
comb_sum_binomial_row_v1
digits_weighted_mod
6
0
[ "COPRIME_PAIRS", "MAX_PRIME_BELOW" ]
2
0.004
2026-02-08T11:48:54.316264Z
{ "verified": true, "answer": 206, "timestamp": "2026-02-08T11:48:54.320406Z" }
2d6795
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 231, "completion_tokens": 2677 }, "timestamp": "2026-02-14T20:01:11.642Z", "answer": 206 }, { ...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status":...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
0b597d
nt_count_divisible_and_v1_124444284_3740
Let $d_1$ be the number of positive integers $p$ for which there exists an integer $q$ such that $pq = 9000$, $\gcd(p, q) = 1$, and $p < q$. Let $d_2 = 6$. Determine the value of the number of positive integers $n \leq 53292$ such that $n$ is divisible by both $d_1$ and $d_2$.
4,441
graphs = [ Graph( let={ "upper": Const(53292), "d1": 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=9000)), Eq(left=GCD(a=Var(name='p'), b=Va...
NT
null
COUNT
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS" ]
2bb3aa
nt_count_divisible_and_v1
null
4
0
[ "COPRIME_PAIRS" ]
1
2.514
2026-02-08T05:34:28.727172Z
{ "verified": true, "answer": 4441, "timestamp": "2026-02-08T05:34:31.241364Z" }
bd6a2d
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 142, "completion_tokens": 1746 }, "timestamp": "2026-02-12T11:06:18.834Z", "answer": 4441 }, {...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V3", "status": "no" }, { "lemma": "V8_SUM", "status": "no" ...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
c67a46
nt_count_divisible_and_v1_784195855_8608
Let $n = 16512$ and $u = 22356$. Let $d_1$ be the number of nonnegative integers $j$ such that $0 \leq j \leq n$ and $\binom{n}{j}$ is odd. Let $d_2 = 6$. Define $r$ to be the number of positive integers $k$ such that $1 \leq k \leq u$, $k$ is divisible by $d_1$, and $k$ is divisible by $d_2$. Compute $r$.
1,863
graphs = [ Graph( let={ "_n": Const(16512), "upper": Const(22356), "d1": CountOverSet(set=SolutionsSet(var=Var("j"), condition=And(Geq(Var("j"), Const(0)), Leq(Var("j"), Const(16512)), Eq(Mod(value=Binom(n=Ref("_n"), k=Var("j")), modulus=Const(2)), Const(1))), domain='non...
ALG
COMB
COUNT
sympy
V8
[ "V8" ]
86348e
nt_count_divisible_and_v1
null
6
0
[ "V8" ]
1
3.58
2026-02-08T16:12:54.001729Z
{ "verified": true, "answer": 1863, "timestamp": "2026-02-08T16:12:57.581569Z" }
7e3f1b
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 231, "completion_tokens": 756 }, "timestamp": "2026-02-24T20:19:55.332Z", "answer": 1863 }, { "i...
1
[ { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V3", "status": "no" }, { "lemma": "V5", "status": "no" }, { "lemma": "V8", "status": "ok" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -2.4, "mid": 1.57, "hi": 5.75 }
25f2f6
nt_sum_gcd_range_mod_v1_124444284_4951
Let $N$ be the number of positive integers $n \leq 17776$ such that the sum of the decimal digits of $n$ is even. Let $k = 120$ and $M = 10477$. Define $s = \sum_{n=1}^{N} \gcd(n, k)$. Find the value of $s \bmod M$.
3,768
graphs = [ Graph( let={ "N": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Const(17776)), Eq(Mod(value=DigitSum(Var("n")), modulus=Const(2)), Const(0))))), "k": Const(120), "M": Const(10477), "sum": Summation(...
NT
null
COMPUTE
sympy
L3B
[ "L3B" ]
cc148f
nt_sum_gcd_range_mod_v1
null
5
0
[ "L3B" ]
1
1.216
2026-02-08T06:19:08.363833Z
{ "verified": true, "answer": 3768, "timestamp": "2026-02-08T06:19:09.579461Z" }
29faf0
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 125, "completion_tokens": 4084 }, "timestamp": "2026-02-12T22:39:59.825Z", "answer": 3768 }, {...
1
[ { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "L3B", "status": "ok" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
467a7d
comb_bell_compute_v1_1116507919_438
Let $S$ be the set of all ordered pairs $(x,y)$ of positive integers such that $x + y = 6$. Let $T$ be the set of all values of $xy$ as $(x,y)$ ranges over $S$. Let $n$ be the maximum value in $T$. Compute the Bell number $B_n$, which counts the number of partitions of a set of size $n$.
21,147
graphs = [ Graph( let={ "_n": Const(6), "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")), Ref("_n")))), expr=Mul(Var("x"), Var("y")))), ...
COMB
null
COMPUTE
sympy
B1
[ "B1" ]
5b950e
comb_bell_compute_v1
null
4
0
[ "B1" ]
1
0.001
2026-02-08T02:34:12.093209Z
{ "verified": true, "answer": 21147, "timestamp": "2026-02-08T02:34:12.094630Z" }
557a25
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 200, "completion_tokens": 641 }, "timestamp": "2026-02-08T19:32:59.326Z", "answer": 21147 }, { "i...
1
[ { "lemma": "B1", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "V7", "status": ...
{ "lo": -4.79, "mid": -2.86, "hi": -0.85 }
0662cc
comb_binomial_compute_v1_717093673_2500
Let $n = 12$. Define $k$ to be $$ \frac{2}{8} \sum_{\substack{k_1 = 1}^{3} \sum_{j = 1}^{4} \varphi(k_1) \left\lfloor \frac{3}{k_1} \right\rfloor. $$ Compute the value of $\binom{n}{k}$, and let $Q$ be the remainder when $80089$ times this value is divided by $76780$. Find the value of $Q$.
63,096
graphs = [ Graph( let={ "_m": Const(8), "_n": Const(76780), "n": Const(12), "k": Div(Mul(Const(2), SumOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("k1"), Var("_j")]), condition=Const(1), domain=CartesianProduct(left=IntegerRange(start=Const(...
NT
null
COMPUTE
sympy
SUM_INDEPENDENT
[ "SUM_INDEPENDENT/K2" ]
8580e7
comb_binomial_compute_v1
null
5
0
[ "K2", "SUM_INDEPENDENT" ]
2
0.003
2026-02-08T16:53:35.991121Z
{ "verified": true, "answer": 63096, "timestamp": "2026-02-08T16:53:35.993728Z" }
e84ccb
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 157, "completion_tokens": 1692 }, "timestamp": "2026-02-17T15:00:39.904Z", "answer": 63096 }, ...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "K2", "status": "ok_later" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "SUM_INDEPENDENT", "status": "ok" }, { "lemma": "V1", "status": "no" ...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
73b9e8
comb_factorial_compute_v1_1520064083_6682
Let $c = 46525$ and $m$ be the sum of all positive integers $n$ such that $1 \leq n \leq 16$ and $n \equiv 0 \pmod{16}$. Let $n$ be the largest prime number not exceeding the minimum value of $x + y$ over all ordered pairs of positive integers $(x, y)$ such that $xy = m$. Let $r = n!$. Compute the remainder when $c \cd...
48,826
graphs = [ Graph( let={ "_c": Const(46525), "_m": SumOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Const(16)), Eq(Mod(value=Var("n"), modulus=Const(16)), Const(0))))), "_n": Const(54293), "n": MaxOverSet(set=Soluti...
NT
null
COMPUTE
sympy
SUM_DIVISIBLE
[ "SUM_DIVISIBLE/B3/MAX_PRIME_BELOW" ]
f1cc84
comb_factorial_compute_v1
null
5
0
[ "B3", "MAX_PRIME_BELOW", "SUM_DIVISIBLE" ]
3
0.004
2026-02-08T08:15:55.847286Z
{ "verified": true, "answer": 48826, "timestamp": "2026-02-08T08:15:55.851533Z" }
eab094
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 157, "completion_tokens": 768 }, "timestamp": "2026-02-13T16:51:41.645Z", "answer": 48826 }, {...
1
[ { "lemma": "B3", "status": "ok_later" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok_later" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOD_SUB", "status": "...
{ "lo": -3.51, "mid": 1.33, "hi": 6.56 }
8e2c51
modular_sum_quadratic_residues_v1_601307018_9618
Let $p$ be the number of ordered pairs $(a, b)$ of positive integers with $1 \le a, b \le 40$ such that $10a^2 - 18ab + 25b^2 \le 5578$. Compute $\frac{p(p-1)}{4}$.
50,288
graphs = [ Graph( let={ "_n": Const(10), "p": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), Const(40)), Geq(Var("b"), Const(1)), Leq(Var("b"), Const(40)), Leq(Sum(Mul(Ref("_n"), Pow(Var("a"), Const(2))), M...
NT
null
SUM
sympy
QF_PSD_COUNT_LEQ
[ "QF_PSD_COUNT_LEQ" ]
009d0f
modular_sum_quadratic_residues_v1
null
5
0
[ "QF_PSD_COUNT_LEQ" ]
1
0.004
2026-03-10T10:03:21.074391Z
{ "verified": true, "answer": 50288, "timestamp": "2026-03-10T10:03:21.077952Z" }
53bbbf
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": 4702 }, "timestamp": "2026-04-19T11:39:19.047Z", "answer": 50288 }, { ...
1
[ { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "QF_PSD_COUNT_LEQ", "status": "ok" }, { "lemma": "V5", "status": "no" }, { "lemma": "VAL_SU...
{ "lo": -5.34, "mid": 1.1, "hi": 7.53 }
ba99ef
comb_count_surjections_v1_971394319_1938
Let $n = 7$ and $k = 4$. Define $\text{result} = k! \cdot S(n, k)$, where $S(n, k)$ denotes the Stirling number of the second kind. Let $T$ be the set of all integers $t$ such that there exist positive integers $a$ and $b$ satisfying $1 \le a \le 210$, $1 \le b \le 26$, $10 \le t \le 1548$, and $t = 7a + 3b$. Compute t...
62,328
graphs = [ Graph( let={ "n": Const(7), "k": Const(4), "result": Mul(Factorial(Ref("k")), Stirling2(n=Ref(name='n'), k=Ref(name='k'))), "Q": Mod(value=Mul(CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(n...
COMB
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM" ]
3d6396
comb_count_surjections_v1
affine_mod
5
0
[ "LIN_FORM" ]
1
0.004
2026-02-08T14:00:49.523972Z
{ "verified": true, "answer": 62328, "timestamp": "2026-02-08T14:00:49.527620Z" }
3748a9
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 252, "completion_tokens": 32768 }, "timestamp": "2026-02-24T19:43:15.178Z", "answer": 62328 }, { ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status": "no" ...
{ "lo": 3.25, "mid": 5.68, "hi": 8.81 }
17f68b
nt_sum_divisors_range_v1_1080341949_109
Let $N$ be the largest prime number less than or equal to $6717$. Compute the sum of the number of positive divisors of each integer from $1$ to $N$.
60,151
graphs = [ Graph( let={ "_n": Const(2), "upper": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Ref("_n")), Leq(Var("n"), Const(6717)), IsPrime(Var("n"))))), "result": SumOverSet(set=MapOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n...
NT
null
SUM
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW" ]
dc3ad3
nt_sum_divisors_range_v1
null
5
0
[ "MAX_PRIME_BELOW" ]
1
0.343
2026-02-08T13:13:24.866980Z
{ "verified": true, "answer": 60151, "timestamp": "2026-02-08T13:13:25.210140Z" }
7082c2
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 85, "completion_tokens": 6444 }, "timestamp": "2026-02-15T10:49:17.222Z", "answer": 60151 }, {...
1
[ { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "n...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
ed59cb
diophantine_fbi2_min_v1_677425708_3109
Let $d$ be an integer satisfying $d \geq 3$, $d \leq 190$, $d$ divides $180$, and $\frac{180}{d} \geq 5$. Determine the value of the smallest such $d$.
3
graphs = [ Graph( let={ "_n": Const(3), "k": Const(180), "upper": Const(190), "result": MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Ref("_n")), Leq(Var("d"), Ref("upper")), Divides(divisor=Var("d"), dividend=Ref("k")), Geq(Div(Ref("k"...
NT
null
EXTREMUM
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS" ]
2bb3aa
diophantine_fbi2_min_v1
null
3
0
[ "COPRIME_PAIRS" ]
1
0.009
2026-02-08T05:29:45.106340Z
{ "verified": true, "answer": 3, "timestamp": "2026-02-08T05:29:45.115358Z" }
3d1be7
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 114, "completion_tokens": 536 }, "timestamp": "2026-02-11T22:51:30.715Z", "answer": 3 }, { "id": 11, "...
2
[ { "lemma": "C2", "status": "no" }, { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "LTE_SUM", "status": "no"...
{ "lo": -10, "mid": -7.3, "hi": -4.61 }
83b1fb
lin_form_endings_v1_717093673_2870
Let $a = 10$ and $b = 8$. Define $d = \gcd(a, b)$. Let $k = 14832$ and $M = 54813$. Compute the remainder when $k \cdot d$ is divided by $M$.
29,664
graphs = [ Graph( let={ "a_coeff": Const(10), "b_coeff": Const(8), "_inner_result": GCD(a=Ref("a_coeff"), b=Ref("b_coeff")), "_scale_k": Const(14832), "_scaled": Mul(Ref("_scale_k"), Ref("_inner_result")), "_mod_M": Const(54813), ...
COMB
NT
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
lin_form_endings_v1
null
2
null
[ "LIN_FORM" ]
1
0.001
2026-02-08T17:14:33.924334Z
{ "verified": true, "answer": 29664, "timestamp": "2026-02-08T17:14:33.924886Z" }
dedea5
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 120, "completion_tokens": 210 }, "timestamp": "2026-02-16T09:12:50.392Z", "answer": 29664 }, { "id": 11, ...
2
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status": "no...
{ "lo": -10, "mid": -7.27, "hi": -4.54 }
c33477
antilemma_sum_equals_v1_349078426_249
Let $x$ be the number of ordered pairs $(i, j)$ of positive integers such that $1 \leq i \leq 81$, $1 \leq j \leq 82$, and $i + j = 82$. Compute the value of $$ x + \phi(x + 1) + \tau\left(x + \binom{10}{0}\right), $$ where $\phi(n)$ denotes Euler's totient function and $\tau(n)$ denotes the number of positive divisors...
125
graphs = [ Graph( let={ "x": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=Eq(Sum(Var("i"), Var("j")), Const(82)), domain=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(81)), right=IntegerRange(start=Const(1), end=Const(82))))), "Q": ...
COMB
GEOM
COMPUTE
sympy
COMB1
[ "COUNT_SUM_EQUALS", "ONE_BINOM_0" ]
ec98de
antilemma_sum_equals_v1
null
3
0
[ "COMB1", "COUNT_SUM_EQUALS", "ONE_BINOM_0" ]
3
0.091
2026-02-08T12:54:03.426168Z
{ "verified": true, "answer": 125, "timestamp": "2026-02-08T12:54:03.517348Z" }
61d176
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": 814 }, "timestamp": "2026-02-24T16:36:45.818Z", "answer": 125 }, { "id"...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "ONE_BINOM_0", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", ...
{ "lo": -7.18, "mid": -5, "hi": -3.01 }
5780c6
nt_count_divisible_and_v1_1874849503_1285
Let $d_1$ 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 $d_2 = 15$ and let $N = 44760$. Compute the number of positive integers $n \leq N$ such that $n$ is divisible by both $d_1$ and $d_2$. Multiply this...
46,373
graphs = [ Graph( let={ "upper": Const(44760), "d1": 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(lef...
NT
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
nt_count_divisible_and_v1
null
3
0
[ "LIN_FORM" ]
1
3.025
2026-02-08T13:45:11.574950Z
{ "verified": true, "answer": 46373, "timestamp": "2026-02-08T13:45:14.600419Z" }
8f8033
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 258, "completion_tokens": 1667 }, "timestamp": "2026-02-10T03:09:34.657Z", "answer": 46373 }, { "...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V8", "status": "no"...
{ "lo": -5.49, "mid": 0.03, "hi": 6.12 }
a57958
comb_count_derangements_v1_1742523217_914
Let $m = 25$ and $n_0 = 2$. Define $S$ as the set of all ordered pairs $(x, y)$ of positive integers such that $xy = m$. Let $T$ be the set of all values $x + y$ where $(x, y) \in S$. Let $n_{\text{max}}$ be the minimum value in $T$. Determine the value of $n$, defined as the largest prime number $n$ satisfying $n_0 \l...
1,854
graphs = [ Graph( let={ "_m": Const(25), "_n": Const(2), "n": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Ref("_n")), Leq(Var("n"), MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=...
NT
COMB
COUNT
sympy
B3
[ "B3/MAX_PRIME_BELOW" ]
f253c0
comb_count_derangements_v1
null
6
0
[ "B3", "MAX_PRIME_BELOW" ]
2
0.002
2026-02-08T03:21:18.860080Z
{ "verified": true, "answer": 1854, "timestamp": "2026-02-08T03:21:18.861645Z" }
05eb8c
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 244, "completion_tokens": 1215 }, "timestamp": "2026-02-10T00:33:27.718Z", "answer": 1854 }, { "i...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "K15", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok_later" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "V8", "status": "no" }, { "le...
{ "lo": -5.55, "mid": -3.02, "hi": 0.31 }
6c095c
antilemma_k2_v1_1520064083_4702
Let $n = 254$. Define $x = \sum_{k=1}^{254} \phi(k) \left\lfloor \frac{n}{k} \right\rfloor$, where $\phi(k)$ denotes Euler's totient function. Let $c = 13$. Compute the value of $(c - x) \mod 81422$.
49,050
graphs = [ Graph( let={ "_n": Const(254), "x": Summation(var="k", start=Const(1), end=Const(254), expr=Mul(EulerPhi(n=Var("k")), Floor(Div(Ref("_n"), Var("k"))))), "_c": Const(13), "Q": Mod(value=Sub(Ref("_c"), Ref("x")), modulus=Const(81422)), }, ...
NT
COMB
COMPUTE
sympy
K2
[ "K2" ]
6897ab
antilemma_k2_v1
null
4
0
[ "K2" ]
1
0.001
2026-02-08T06:23:19.632959Z
{ "verified": true, "answer": 49050, "timestamp": "2026-02-08T06:23:19.633820Z" }
76869b
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 119, "completion_tokens": 809 }, "timestamp": "2026-02-12T23:30:18.408Z", "answer": 49050 }, {...
1
[ { "lemma": "K2", "status": "ok" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "V8", "status": "no" } ]
{ "lo": -3.51, "mid": 1.33, "hi": 6.56 }