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b026d6
alg_linear_system_2x2_v1_1218484723_2090
Let $N$ be the number of elements in the Cartesian product $\{1, 2, \ldots, 5\} \times \{1, 2, \ldots, 167\}$. Let $\det = (-16)(-5) - (-18)(-17)$, $R = (-1563758)(-5) - (-1762646)(-17)$, and $S = (-16)(-1762646) - (-18)(-1563758)$. Define $T = \frac{R}{\det} + \frac{S}{\det}$. Find the remainder when $N \cdot T$ is di...
57,983
graphs = [ Graph( let={ "_n": Const(63871), "num_x": Sub(Mul(Const(-1563758), Const(-5)), Mul(Const(-1762646), Const(-17))), "num_y": Sub(Mul(Const(-16), Const(-1762646)), Mul(Const(-18), Const(-1563758))), "det": Sub(Mul(Const(-16), Const(-5)), Mul(Const(-18)...
ALG
null
COMPUTE
sympy
COUNT_CARTESIAN
[ "COUNT_CARTESIAN" ]
27a9f8
alg_linear_system_2x2_v1
affine_mod
3
0
[ "COUNT_CARTESIAN" ]
1
0.002
2026-02-25T03:47:54.836219Z
{ "verified": true, "answer": 57983, "timestamp": "2026-02-25T03:47:54.838047Z" }
93e737
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 257, "completion_tokens": 1899 }, "timestamp": "2026-03-29T02:54:43.744Z", "answer": 57983 }, { "...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "ok" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8_SUM", "sta...
{ "lo": 1.14, "mid": 4.13, "hi": 6.32 }
c58ba4
comb_factorial_compute_v1_655260480_1268
Let $n$ be the number of integers $j$ with $0 \leq j \leq 8336$ such that $\binom{8336}{j}$ is odd. Compute $n!$.
40,320
graphs = [ Graph( let={ "_n": Const(8336), "n": CountOverSet(set=SolutionsSet(var=Var("j"), condition=And(Geq(Var("j"), Const(0)), Leq(Var("j"), Const(8336)), Eq(Mod(value=Binom(n=Ref("_n"), k=Var("j")), modulus=Const(2)), Const(1))), domain='nonnegative_integers')), "res...
ALG
COMB
COMPUTE
sympy
V8
[ "V8" ]
86348e
comb_factorial_compute_v1
null
6
0
[ "V8" ]
1
0.001
2026-02-08T16:00:47.077936Z
{ "verified": true, "answer": 40320, "timestamp": "2026-02-08T16:00:47.079223Z" }
a5bf25
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 155, "completion_tokens": 1005 }, "timestamp": "2026-02-24T19:36:53.881Z", "answer": 40320 }, { ...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "V8", "status": "ok" }, { "lemma": "VAL_SUM_EQ", "status": "n...
{ "lo": -2.4, "mid": 1.57, "hi": 5.75 }
46250c
algebra_vieta_sum_v1_124444284_9001
Let $p$ be a positive integer. Define $k$ to be the number of ordered pairs $(p, q)$ of positive integers such that $pq = 926100$, $\gcd(p, q) = 1$, and $p < q$. Consider the cubic equation $x^3 + kx^2 - 35x - 150 = 0$. Let $R$ be the set of all positive real solutions to this equation. Compute the product of all eleme...
150
graphs = [ Graph( let={ "_n": Const(2), "result": ProductOverSet(set=SolutionsSet(var=Var(name='x'), condition=Eq(left=Sum(Pow(base=Var(name='x'), exp=Const(value=3)), Mul(CountOverSet(set=SolutionsSet(var=Var(name='p'), condition=And(IsPositive(arg=Var(name='p')), Exists(var=Var(nam...
NT
null
COMPUTE
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS" ]
2bb3aa
algebra_vieta_sum_v1
null
6
0
[ "COPRIME_PAIRS" ]
1
0.012
2026-02-08T12:07:51.486506Z
{ "verified": true, "answer": 150, "timestamp": "2026-02-08T12:07:51.498526Z" }
f45243
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 1, "correct": { "strict": false, "boxed": false, "relaxed": true }, "usage": { "prompt_tokens": 150, "completion_tokens": 1178 }, "timestamp": "2026-02-14T22:35:17.057Z", "answer": 5 }, { ...
0
[ { "lemma": "C2", "status": "no" }, { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "V7", "status": "no" } ]
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
7ca89d
comb_count_derangements_v1_784195855_5687
Let $ n $ be the number of nonnegative integers $ j $ such that $ 0 \leq j \leq 45056 $ and $ \binom{45056}{j} $ is odd. Compute the subfactorial of $ n $, denoted $ !n $, which is the number of derangements of $ n $ elements. Determine the value of $ !n $.
14,833
graphs = [ Graph( let={ "_n": Const(45056), "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(45056), k=Var("j")), modulus=Const(2)), Const(1))), domain='nonnegative_integers')), "r...
COMB
null
COUNT
sympy
V8
[ "V8" ]
86348e
comb_count_derangements_v1
null
7
0
[ "V8" ]
1
0.001
2026-02-08T08:02:45.608535Z
{ "verified": true, "answer": 14833, "timestamp": "2026-02-08T08:02:45.609212Z" }
0496a5
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 191, "completion_tokens": 1205 }, "timestamp": "2026-02-24T08:43:57.794Z", "answer": 14833 }, { "...
1
[ { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "V3", "status": "no" }, { "lemma": "V8", "status": "ok" } ]
{ "lo": -2.35, "mid": 1.22, "hi": 4.84 }
9efada
comb_binomial_compute_v1_784195855_1413
Let $p$ be a positive integer. Suppose there exists a positive integer $q$ such that $pq = 12$, $\gcd(p, q) = 1$, and $p < q$. Let $m$ be the number of such integers $p$. Let $k$ be the number of prime numbers $n$ such that $m \leq n \leq 11$. Compute $\binom{13}{k}$, then multiply the result by $44121$. Find the remai...
44,017
graphs = [ Graph( let={ "_m": Const(56570), "_n": CountOverSet(set=SolutionsSet(var=Var("p"), condition=And(IsPositive(arg=Var(name='p')), Exists(var=Var(name='q'), condition=And(Eq(left=Mul(Var(name='p'), Var(name='q')), right=Const(value=12)), Eq(left=GCD(a=Var(name='p'), b=Var(nam...
NT
null
COMPUTE
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS/COUNT_PRIMES" ]
c35fa2
comb_binomial_compute_v1
null
4
0
[ "COPRIME_PAIRS", "COUNT_PRIMES" ]
2
0.002
2026-02-08T05:00:36.833595Z
{ "verified": true, "answer": 44017, "timestamp": "2026-02-08T05:00:36.835571Z" }
715cb4
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 225, "completion_tokens": 1477 }, "timestamp": "2026-02-11T22:40:51.790Z", "answer": 44017 }, { ...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "ok_later" }, { "lemma": "K13", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "V5", "status": "...
{ "lo": -3.42, "mid": 1.86, "hi": 7.55 }
de0d9d
antilemma_k3_v1_349078426_876
Let $x = \sum_{d \mid 97933} \phi(d)$, where $\phi$ denotes Euler's totient function. Compute the remainder when $19171 \cdot x$ is divided by $97272$.
26,671
graphs = [ Graph( let={ "x": SumOverDivisors(n=Const(value=97933), var='d', expr=EulerPhi(n=Var(name='d'))), "_c": Const(19171), "Q": Mod(value=Mul(Ref("_c"), Ref("x")), modulus=Const(97272)), }, goal=Ref("Q"), ) ]
NT
COMB
COMPUTE
sympy
K3
[ "K3" ]
54c41e
antilemma_k3_v1
null
3
0
[ "K3" ]
1
0.001
2026-02-08T13:19:13.840851Z
{ "verified": true, "answer": 26671, "timestamp": "2026-02-08T13:19:13.841740Z" }
8ee871
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 93, "completion_tokens": 2793 }, "timestamp": "2026-02-15T13:22:00.019Z", "answer": 26671 }, {...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K3", "status": "ok" }, { "lemma": "L3c", "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 }
d126f7
nt_sum_gcd_range_mod_v1_784195855_5252
Let $N$ be the largest positive divisor of $100059993$ that is less than or equal to $9999$. Define $k = 480$ and $M = 11483$. Let $\text{sum} = \sum_{n=1}^{N} \gcd(n, k)$. Define $\text{result} = \text{sum} \bmod M$. Finally, let $Q = 25200 - \text{result}$. Find the value of $Q$.
23,865
graphs = [ Graph( let={ "N": MaxOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(1)), Leq(Var("d"), Const(9999)), Divides(divisor=Var("d"), dividend=Const(100059993))))), "k": Const(480), "M": Const(11483), "sum": Summation(var="n", sta...
NT
null
COMPUTE
sympy
MAX_DIVISOR
[ "MAX_DIVISOR" ]
51757e
nt_sum_gcd_range_mod_v1
null
5
0
[ "MAX_DIVISOR" ]
1
0.897
2026-02-08T07:47:45.409240Z
{ "verified": true, "answer": 23865, "timestamp": "2026-02-08T07:47:46.306335Z" }
b464cf
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": 3384 }, "timestamp": "2026-02-13T12:31:51.495Z", "answer": 23865 }, ...
1
[ { "lemma": "DS2", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "MAX_DIVISOR", "status": "ok" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": -3.51, "mid": 1.33, "hi": 6.56 }
bc88c8
comb_sum_binomial_row_v1_1742523217_5180
Let $m$ be the number of ordered pairs $(p, q)$ of positive integers such that $p \cdot q = 108$, $\gcd(p, q) = 1$, and $p < q$. Let $n$ be the number of integers $t$ with $10 \le t \le 32$ for which there exist integers $a$ and $b$ such that $1 \le a \le 2$, $1 \le b \le 5$, and $t = 6a + 4b$. Compute $m^n$.
1,024
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=108)), Eq(left=GCD(a=Var(name='p'), b=Var(name='q')), right=Const(value=1)),...
NT
null
SUM
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS/LIN_FORM" ]
a1eac8
comb_sum_binomial_row_v1
null
5
0
[ "COPRIME_PAIRS", "LIN_FORM" ]
2
0.002
2026-02-08T10:50:56.069618Z
{ "verified": true, "answer": 1024, "timestamp": "2026-02-08T10:50:56.071913Z" }
03cd21
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": 1208 }, "timestamp": "2026-02-14T09:02:30.062Z", "answer": 1024 }, {...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok_later" }, { "...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
ba82dd
algebra_poly_eval_v1_601307018_335
Let $y$ be the number of positive integers $t$ such that $t = 6a + 4b$ for some integers $a, b$ with $1 \le a \le 3$, $1 \le b \le 3$, and $10 \le t \le 30$. Let $S$ be the number of integers $t1$ such that $t1 = 2a + 3b$ for some integers $a, b$ with $1 \le a \le 4$, $1 \le b \le 2$, and $5 \le t1 \le 14$. Define $R =...
6,000
graphs = [ Graph( let={ "_m": Const(4), "_n": Const(3), "y": 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=Cons...
NT
NT
COMPUTE
sympy
SUM_ARITHMETIC
[ "SUM_ARITHMETIC", "LIN_FORM" ]
7209d0
algebra_poly_eval_v1
null
5
0
[ "LIN_FORM", "SUM_ARITHMETIC" ]
2
0.015
2026-03-10T00:52:13.895910Z
{ "verified": true, "answer": 6000, "timestamp": "2026-03-10T00:52:13.910916Z" }
1b3e34
CC BY 4.0
null
null
[ { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "SUM_ARITHMETIC", "statu...
{ "lo": -10, "mid": 0, "hi": 10 }
3ca9f7
nt_sum_divisors_mod_v1_458359167_2853
Let $n = 1260$ and $M = 10691$. Let $\sigma$ be the sum of the positive divisors of $n$. Let $r$ be the remainder when $\sigma$ is divided by $M$. Let $c$ be the smallest divisor of $4028033$ that is at least 2. Compute the remainder when $\left(r \bmod 293\right) + c \cdot \left(r \bmod 337\right)$ is divided by $9180...
6,575
graphs = [ Graph( let={ "_n": Const(91809), "n": Const(1260), "M": Const(10691), "sigma": SumDivisors(n=Ref("n")), "result": Mod(value=Ref("sigma"), modulus=Ref("M")), "_c": MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Va...
NT
null
COMPUTE
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR" ]
cffc20
nt_sum_divisors_mod_v1
two_moduli
3
0
[ "MIN_PRIME_FACTOR" ]
1
0.002
2026-02-08T06:48:13.153253Z
{ "verified": true, "answer": 6575, "timestamp": "2026-02-08T06:48:13.154773Z" }
67c9bb
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": 1830 }, "timestamp": "2026-02-13T04:48:37.315Z", "answer": 6575 }, {...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "V1", "status": "no" }, { "lemma": "V3", "status": "no" } ]
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
226cdc
alg_poly_orbit_hensel_v1_1218484723_4631
Let $N = (a^3 - 4a^2 - 5a + 3) \bmod 5041$ and $M = (N^3 - 4N^2 - 5N + 3) \bmod 5041$. Find the number of non-negative integers $a$ with $0 \le a \le 8272280$ such that $M = a$ and $N \ne a$.
3,282
graphs = [ Graph( let={ "p1": Mod(value=Sum(Pow(Var("a"), Const(3)), Mul(Const(-4), Pow(Var("a"), Const(2))), Mul(Const(-5), Var("a")), Const(3)), modulus=Const(5041)), "p2": Mod(value=Sum(Pow(Ref("p1"), Const(3)), Mul(Const(-4), Pow(Ref("p1"), Const(2))), Mul(Const(-5), Ref("p1")), ...
ALG
null
COUNT
sympy
POLY_ORBIT_COUNT
[ "POLY_ORBIT_COUNT" ]
4ad965
alg_poly_orbit_hensel_v1
null
5
null
[ "POLY_ORBIT_COUNT" ]
1
0.022
2026-02-25T06:18:36.034819Z
{ "verified": true, "answer": 3282, "timestamp": "2026-02-25T06:18:36.056385Z" }
e01600
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 205, "completion_tokens": 32768 }, "timestamp": "2026-03-29T16:39:35.656Z", "answer": null }, { ...
1
[ { "lemma": "POLY_ORBIT_COUNT", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": 3.81, "mid": 6.33, "hi": 9.49 }
80336a
comb_binomial_compute_v1_1520064083_10262
Let $n$ be the smallest integer $d \geq 2$ such that $d$ divides $79781$. Let $k$ be the smallest integer $d \geq 2$ such that $d$ divides $3773$. Compute the value of $\binom{n}{k}$.
1,716
graphs = [ Graph( let={ "_m": Const(2), "_n": Const(2), "n": MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Ref("_n")), Divides(divisor=Var("d"), dividend=Const(79781))))), "k": MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq...
NT
null
COMPUTE
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR" ]
bc3776
comb_binomial_compute_v1
null
3
0
[ "MIN_PRIME_FACTOR" ]
1
0.002
2026-02-08T11:18:46.677091Z
{ "verified": true, "answer": 1716, "timestamp": "2026-02-08T11:18:46.678650Z" }
7d9e73
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": 1258 }, "timestamp": "2026-02-14T12:01:22.545Z", "answer": 1716 }, {...
1
[ { "lemma": "K15", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "V3", "status": "no" } ]
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
f9e8b5
geo_count_lattice_triangle_v1_124444284_8720
Let $n = 144$. Define $A$ to be twice the area of the polygon with vertices at $(0,0)$, $(120,0)$, $(120,144)$, and $(0,169)$, which is given by $$ A = \left| 120 \cdot \left| \left\{ t \in \mathbb{Z} \mid 7 \leq t \leq 179 \text{ and } \exists a,b \in \mathbb{Z}^+ \text{ such that } 1 \leq a \leq 47,\ 1 \leq b \leq 17...
70,155
graphs = [ Graph( let={ "_n": Const(144), "area_2x": Abs(arg=Sum(Mul(Const(value=120), CountOverSet(set=SolutionsSet(var=Var(name='t'), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(na...
ALG
NT
COUNT
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
geo_count_lattice_triangle_v1
null
7
0
[ "LIN_FORM" ]
1
0.005
2026-02-08T11:52:44.605526Z
{ "verified": true, "answer": 70155, "timestamp": "2026-02-08T11:52:44.611012Z" }
4050a3
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 304, "completion_tokens": 5550 }, "timestamp": "2026-02-14T20:18:02.280Z", "answer": 70155 }, ...
1
[ { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
0176ab
antilemma_cartesian_v1_898971024_969
Let $m=5$. Consider all ordered pairs $(x_1,x_2)$ of positive integers such that both $x_1$ and $x_2$ are odd and $x_1+x_2=6$. Let $n_0$ be the number of such ordered pairs. Let $x$ be the number of ordered pairs $(u,v)$ of integers such that $1\le u\le 44$ and $1\le v\le 48$. Consider all ordered triples $(x_{11},x_...
16,511
graphs = [ Graph( let={ "_m": Const(5), "_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")), Co...
COMB
GEOM
COMPUTE
sympy
COMB1
[ "COMB1/COMB1/ONE_BINOM_N", "COUNT_CARTESIAN" ]
cc9bf9
antilemma_cartesian_v1
sum_divisor_count
6
0
[ "COMB1", "COUNT_CARTESIAN", "ONE_BINOM_N" ]
3
0.004
2026-02-08T15:48:58.221285Z
{ "verified": true, "answer": 16511, "timestamp": "2026-02-08T15:48:58.224965Z" }
02ae65
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 362, "completion_tokens": 3044 }, "timestamp": "2026-02-24T18:55:28.377Z", "answer": 16511 }, { ...
1
[ { "lemma": "COMB1", "status": "ok" }, { "lemma": "COUNT_CARTESIAN", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "ON...
{ "lo": -2.4, "mid": 1.57, "hi": 5.75 }
039115
sequence_count_fib_divisible_v1_1742523217_2269
Let $u = 181$ and $d = 10$. Compute the number of positive integers $n$ such that $1 \leq n \leq u$ and $d$ divides the $n$th Fibonacci number. Find the remainder when the absolute value of this count is divided by 97577.
12
graphs = [ Graph( let={ "upper": Const(181), "d": Const(10), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("upper")), Divides(divisor=Ref("d"), dividend=Fibonacci(arg=Var(name='n')))))), "Q": Mod...
NT
null
COUNT
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR" ]
bc3776
sequence_count_fib_divisible_v1
null
6
0
[ "MIN_PRIME_FACTOR" ]
1
0.04
2026-02-08T04:39:47.202441Z
{ "verified": true, "answer": 12, "timestamp": "2026-02-08T04:39:47.242504Z" }
c4a4a5
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 176, "completion_tokens": 731 }, "timestamp": "2026-02-11T21:43:15.799Z", "answer": 12 }, { "id"...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" } ...
{ "lo": -3.42, "mid": 1.86, "hi": 7.55 }
b02ff9
sequence_lucas_compute_v1_601307018_2513
Let $M$ be the number of distinct positive integers $t$ in the range $[22, 156]$ that can be expressed as $t = 14a + 8b$ for integers $a, b$ with $1 \leq a \leq 6$ and $1 \leq b \leq 9$. Let $n$ be the number of ordered pairs $(a, b)$ of positive integers with $1 \leq a \leq b \leq 30$ such that $$ -100ab + 50a^2 + M ...
64,079
graphs = [ Graph( let={ "_c": Const(2), "_m": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=6)), Geq(left=Var(n...
ALG
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM/B3_DIFF/QF_PSD_ORBIT" ]
6e0b24
sequence_lucas_compute_v1
null
7
0
[ "B3_DIFF", "LIN_FORM", "QF_PSD_ORBIT" ]
3
0.009
2026-03-10T03:13:30.276896Z
{ "verified": true, "answer": 64079, "timestamp": "2026-03-10T03:13:30.285851Z" }
049995
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 290, "completion_tokens": 32768 }, "timestamp": "2026-03-29T05:36:15.919Z", "answer": null }, { ...
1
[ { "lemma": "B3_DIFF", "status": "ok_later" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "QF_PSD_ORBIT", "status": "ok_later" } ]
{ "lo": 3.34, "mid": 5.77, "hi": 8.89 }
c49d1d
alg_qf_psd_min_v1_601307018_4809
Find the minimum value of $33066a^2 - 33066bc + 14529b^2 + 33066c^2 - 10020ab + 25050ac$ over all ordered triples $(a, b, c)$ of positive integers with $1 \leq a \leq 17$, $1 \leq b \leq 17$, and $1 \leq c \leq \min\left\{ 408a_1^2b_1^2 - 160a_1^3b_1 + 32a_1^4 - 520a_1b_1^3 + 257b_1^4 : a_1, b_1 \in \mathbb{Z}^+,\, 1 \...
62,625
graphs = [ Graph( let={ "_n": Const(25050), "result": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b"), Var("c")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), Const(17)), Geq(Var("b"), Const(1)), Leq(Var("b"), Const(17)), Geq(Var("c"), Const...
ALG
null
COMPUTE
sympy
POLY4_MIN
[ "POLY4_MIN" ]
82de3b
alg_qf_psd_min_v1
null
8
0
[ "POLY4_MIN" ]
1
0.03
2026-03-10T05:30:06.672276Z
{ "verified": true, "answer": 62625, "timestamp": "2026-03-10T05:30:06.702677Z" }
95fb35
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 297, "completion_tokens": 3159 }, "timestamp": "2026-04-19T00:21:26.077Z", "answer": 62625 }, { ...
1
[ { "lemma": "POLY4_MIN", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": -3.31, "mid": 1.32, "hi": 5.87 }
8eb257_n
alg_sum_ap_v1_1419126231_1323
A botanist studies plant growth patterns where the health score of a plant is given by $20b^2 + M a^2 - 12ab$, with $a$ and $b$ representing sunlight and water units (each from 1 to 40). The constant $M$ is the smallest prime factor of 75809. A plant is considered healthy if its score is at most 51476. Let $C$ be the n...
8,094
ALG
null
COMPUTE
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR/QF_PSD_COUNT_LEQ" ]
bbcc84
alg_sum_ap_v1
null
5
null
[ "MIN_PRIME_FACTOR", "QF_PSD_COUNT_LEQ" ]
2
0.027
2026-02-25T10:44:58.356460Z
null
d51276
8eb257
narrative
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 251, "completion_tokens": 32768 }, "timestamp": "2026-03-31T04:36:47.658Z", "answer": null }, { ...
1
[ { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "QF_PSD_COUNT_LEQ", "status": "ok_later" } ]
{ "lo": 3.8, "mid": 6.33, "hi": 9.49 }
b8a435
alg_poly4_count_v1_601307018_8506
Find the number of ordered pairs $(a, b)$ of positive integers with $1 \le a, b \le 294$ such that $$ 32a b^3 + 2b^4 + 512a^3 b + 192a^2 b^2 + \left( \min_{\substack{1 \le a_1 \le 20 \\ 1 \le b_1 \le 20}} (63a_1^3 + 195a_1^2 b_1 + 189a_1 b_1^2 + 65b_1^3) \right) a^4 = 40302242. $$
16
graphs = [ Graph( let={ "_n": Const(2), "result": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), Const(294)), Geq(Var("b"), Const(1)), Leq(Var("b"), Const(294)), Eq(Sum(Mul(Const(32), Var("a"), Pow(Var("b")...
ALG
null
COUNT
sympy
POLY3_MIN
[ "POLY3_MIN" ]
e2e279
alg_poly4_count_v1
null
7
0
[ "POLY3_MIN" ]
1
1.006
2026-03-10T08:59:03.445161Z
{ "verified": true, "answer": 16, "timestamp": "2026-03-10T08:59:04.451006Z" }
f55cad
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 253, "completion_tokens": 3273 }, "timestamp": "2026-04-19T09:10:23.115Z", "answer": 16 }, { "id...
1
[ { "lemma": "POLY3_MIN", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": -5.34, "mid": 1.1, "hi": 7.53 }
26f43e
antilemma_k3_v1_1915831931_718
Let $d = 76272$. Let $m = \sum_{d \mid 1521} \phi(d)$, where $\phi$ is Euler's totient function. Let $n = 86499$. Define $x = \sum_{d_1 \mid n} \phi(d_1)$ and $c = \sum_{d_2 \mid m} \phi(d_2)$. Let $Q$ be the remainder when $c - x$ is divided by $d$. Find the value of $Q$.
67,566
graphs = [ Graph( let={ "_d": Const(76272), "_m": SumOverDivisors(n=Const(value=1521), var='d', expr=EulerPhi(n=Var(name='d'))), "_n": Const(86499), "x": SumOverDivisors(n=Ref(name='_n'), var='d1', expr=EulerPhi(n=Var(name='d1'))), "_c": SumOverDiv...
NT
COMB
COMPUTE
sympy
K3
[ "K3/K3", "K3" ]
229767
antilemma_k3_v1
negation_mod
3
0
[ "K3" ]
1
0.002
2026-02-08T15:38:49.583156Z
{ "verified": true, "answer": 67566, "timestamp": "2026-02-08T15:38:49.585227Z" }
1b446f
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": 601 }, "timestamp": "2026-02-16T10:19:10.707Z", "answer": 67566 }, {...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K3", "status": "ok" }, { "lemma": "L3b", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "V3", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
2c67b3
lte_diff_endings_v1_1874849503_41
Let $a = 31$, $b = 3$, $p = 2$, and $T = 17$. Let $v_p(a - b)$ denote the largest integer $k$ such that $p^k$ divides $a - b$. Define $x = p^{T - v_p(a - b)}$. Compute the value of $x$.
32,768
graphs = [ Graph( let={ "a_val": Const(31), "b_val": Const(3), "p_val": Const(2), "T_val": Const(17), "diff": Sub(Ref("a_val"), Ref("b_val")), "vp_diff": MaxKDivides(target=Ref("diff"), base=Ref("p_val")), "exp": Sub(Ref("T_...
NT
null
COMPUTE
sympy
LTE_DIFF
[ "LTE_DIFF" ]
cf8260
lte_diff_endings_v1
null
3
null
[ "LTE_DIFF" ]
1
0
2026-02-08T12:46:19.790040Z
{ "verified": true, "answer": 32768, "timestamp": "2026-02-08T12:46:19.790502Z" }
d3e7b5
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 190, "completion_tokens": 175 }, "timestamp": "2026-02-09T13:31:17.131Z", "answer": 32768 }, { "i...
2
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "LTE_DIFF", "status": "ok" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "V3", "status": "no" } ]
{ "lo": -10, "mid": -6.47, "hi": -2.95 }
7dc01d
nt_sum_divisors_mod_v1_717093673_809
Let $S$ be the set of all ordered pairs $(x,y)$ of positive integers such that $xy = 705600$. Define $n$ to be the minimum value of $x + y$ over all such pairs in $S$. Let $\sigma(n)$ denote the sum of all positive divisors of $n$. Compute $10080 - (\sigma(n) \bmod 10993)$.
4,128
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(705600)))), expr=Sum(Var("x"), Var("y")))), "M": Const(10993...
NT
null
COMPUTE
sympy
B3
[ "B3" ]
0cd20d
nt_sum_divisors_mod_v1
null
4
0
[ "B3" ]
1
0.004
2026-02-08T15:42:02.053237Z
{ "verified": true, "answer": 4128, "timestamp": "2026-02-08T15:42:02.057299Z" }
f535e8
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 129, "completion_tokens": 2966 }, "timestamp": "2026-02-16T11:44:54.391Z", "answer": 4128 }, {...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
0e68c2
algebra_quadratic_discriminant_v1_655260480_1520
Let $a = -2$, $b = -2$, and $m = 4$, $n = 2$. Let $P$ be the set of all ordered pairs $(x_1, y_1)$ of positive integers such that $x_1 + y_1 = 144$. Let $M$ be the maximum value of $x_1 y_1$ over all such pairs. Let $c$ be the minimum value of $x + y$ over all ordered pairs $(x, y)$ of positive integers such that $xy =...
2
graphs = [ Graph( let={ "_m": Const(4), "_n": Const(2), "a": Const(-2), "b": Const(-2), "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
COPRIME_PAIRS
[ "B1/B3" ]
80b49d
algebra_quadratic_discriminant_v1
null
6
0
[ "B1", "B3", "COPRIME_PAIRS" ]
3
0.045
2026-02-08T16:12:28.324408Z
{ "verified": true, "answer": 2, "timestamp": "2026-02-08T16:12:28.369802Z" }
055860
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 244, "completion_tokens": 706 }, "timestamp": "2026-02-16T07:10:41.339Z", "answer": 2 }, { "id": 11, "...
2
[ { "lemma": "B1", "status": "ok" }, { "lemma": "B3", "status": "ok_later" }, { "lemma": "DS2", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma"...
{ "lo": -10, "mid": -7.27, "hi": -4.54 }
bed83d
alg_linear_system_2x2_v1_601307018_6825
Let $\det = -7 \cdot (-14) - 3 \cdot (-10)$, $M = -102240 \cdot (-14) - 51808 \cdot (-10)$, and $R = -7 \cdot 51808 - \left|\{ (x_1, x_2, x_3) : x_i > 0,\ x_i\ \text{odd},\ x_1 + x_2 + x_3 = 5 \}\right| \cdot (-102240)$. Let $S = \frac{M}{\det} + \frac{R}{\det}$ and $Q = B_{|S| \bmod 11}$, where $B_n$ denotes the $n$-t...
21,147
graphs = [ Graph( let={ "_n": Const(51808), "num_x": Sub(Mul(Const(-102240), Const(-14)), Mul(Ref("_n"), Const(-10))), "num_y": Sub(Mul(Const(-7), Const(51808)), Mul(CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x1"), Var("x2"), Var("x3")]), condition=And(IsPosit...
COMB
COMB
COMPUTE
sympy
COMB1
[ "COMB1" ]
567f58
alg_linear_system_2x2_v1
null
5
0
[ "COMB1" ]
1
0.003
2026-03-10T07:27:55.470667Z
{ "verified": true, "answer": 21147, "timestamp": "2026-03-10T07:27:55.473579Z" }
e17144
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 283, "completion_tokens": 1351 }, "timestamp": "2026-04-19T05:22:38.892Z", "answer": 21147 }, { ...
1
[ { "lemma": "COMB1", "status": "ok" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "V8...
{ "lo": -5.34, "mid": 1.1, "hi": 7.53 }
9e0b94
lin_form_endings_v1_397696148_1468
Let $g = \gcd(10, 4)$, $a = \left\lfloor \frac{10}{g} \right\rfloor$, and $b = \left\lfloor \frac{4}{g} \right\rfloor$. Define $s = a \cdot 48 + b \cdot 48 - a \cdot b$. Let $M = 98603$ and compute the remainder when $14227 \cdot s$ is divided by $M$.
3,661
graphs = [ Graph( let={ "a_coeff": Const(10), "b_coeff": Const(4), "A_val": Const(48), "B_val": Const(48), "g_step": GCD(a=Ref("a_coeff"), b=Ref("b_coeff")), "ap_node": Floor(Div(Ref("a_coeff"), Ref("g_step"))), "bp_node": F...
COMB
NT
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
lin_form_endings_v1
null
5
null
[ "LIN_FORM" ]
1
0.001
2026-02-08T12:34:08.297128Z
{ "verified": true, "answer": 3661, "timestamp": "2026-02-08T12:34:08.297830Z" }
a378e2
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 145, "completion_tokens": 630 }, "timestamp": "2026-02-15T01:54:57.870Z", "answer": 3661 }, { ...
1
[ { "lemma": "COUNT_CARTESIAN", "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_SUM", "s...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
cea878
comb_count_surjections_v1_601307018_4309
Let $k = \sum_{k1=\binom{17}{0} - 1}^{2} 2^{k1}$. Let $M = k! \cdot S(7, k)$, where $S(7, k)$ denotes the Stirling number of the second kind. Find the remainder when $12577 \cdot M$ is divided by $85143$.
41,688
graphs = [ Graph( let={ "n": Const(7), "k": Summation(var="k1", start=Sub(Binom(n=Const(17), k=Const(0)), Const(1)), end=Const(2), expr=Pow(Const(2), Var("k1"))), "result": Mul(Factorial(Ref("k")), Stirling2(n=Ref(name='n'), k=Ref(name='k'))), "_c": Const(1257...
COMB
null
COUNT
sympy
SUM_GEOM
[ "SUM_GEOM", "ZERO_BINOM_0" ]
71c45c
comb_count_surjections_v1
null
4
0
[ "SUM_GEOM", "ZERO_BINOM_0" ]
2
0.006
2026-03-10T04:53:32.351467Z
{ "verified": true, "answer": 41688, "timestamp": "2026-03-10T04:53:32.357527Z" }
ec8219
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": 1259 }, "timestamp": "2026-03-29T11:48:53.571Z", "answer": 41688 }, { "...
1
[ { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "SUM_GEOM", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status...
{ "lo": -3.34, "mid": 0.9, "hi": 4.9 }
d9eed6
comb_count_permutations_fixed_v1_1520064083_6938
Let $n = 8$ and $k = 3$. Define the quantity $$ \binom{n}{k} \cdot !(n - k), $$ where $!m$ denotes the number of derangements of $m$ elements. Let $d_0$ be the smallest divisor of $31603$ that is at least $2$. Compute the Bell number $B_r$, where $r$ is the absolute value of the above quantity modulo $d_0$.
1
graphs = [ Graph( let={ "_n": Const(31603), "n": Const(8), "k": Const(3), "result": Mul(Binom(n=Ref("n"), k=Ref("k")), Subfactorial(arg=Sub(left=Ref(name='n'), right=Ref(name='k')))), "Q": Bell(Mod(value=Abs(arg=Ref(name='result')), modulus=MinOver...
NT
COMB
COUNT
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR" ]
58d7e9
comb_count_permutations_fixed_v1
bell_mod
5
0
[ "MIN_PRIME_FACTOR" ]
1
0.002
2026-02-08T08:25:42.411495Z
{ "verified": true, "answer": 1, "timestamp": "2026-02-08T08:25:42.413372Z" }
014ed6
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 145, "completion_tokens": 1173 }, "timestamp": "2026-02-13T18:14:05.437Z", "answer": 1 }, { ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "...
{ "lo": -5.55, "mid": -3.01, "hi": 0.32 }
effe52
nt_num_divisors_compute_v1_784195855_3686
Let $n$ be the largest prime number less than or equal to 35 that is at least 2. Compute the number of positive divisors of $n$.
2
graphs = [ Graph( let={ "_n": Const(2), "n": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Ref("_n")), Leq(Var("n"), Const(35)), IsPrime(Var("n"))))), "result": NumDivisors(n=Ref("n")), }, goal=Ref("result"), ) ]
NT
null
COMPUTE
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW" ]
dc3ad3
nt_num_divisors_compute_v1
null
4
0
[ "MAX_PRIME_BELOW" ]
1
0.002
2026-02-08T06:34:56.719622Z
{ "verified": true, "answer": 2, "timestamp": "2026-02-08T06:34:56.721393Z" }
61b619
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 90, "completion_tokens": 255 }, "timestamp": "2026-02-15T17:36:14.948Z", "answer": 2 }, { "id": 11, "m...
2
[ { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V8_SUM", "status": "no" }...
{ "lo": -10, "mid": -7.73, "hi": -5.46 }
789e68
diophantine_fbi2_count_v1_1456120455_91
Let $k = 1260$ and $n_{\min} = 6$. Define $\text{result}$ as the number of positive integers $d$ such that $5 \leq d \leq 161$, $d$ divides $k$, and $\frac{k}{d}$ is an integer satisfying $6 \leq \frac{k}{d} \leq 162$. Define $c$ as the number of positive integers $n \leq 55112$ such that $21$ divides the $n$-th Fibona...
7,747
graphs = [ Graph( let={ "_n": Const(6), "k": Const(1260), "result": CountOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(5)), Leq(Var("d"), Const(161)), Divides(divisor=Var("d"), dividend=Ref("k")), Geq(Div(Ref("k"), Var("d")), Ref("_n")), Leq(Div...
NT
null
COUNT
sympy
COUNT_FIB_DIVISIBLE
[ "COUNT_FIB_DIVISIBLE" ]
a43f88
diophantine_fbi2_count_v1
quadratic_mod
6
0
[ "COUNT_FIB_DIVISIBLE" ]
1
0.018
2026-02-08T02:53:35.919866Z
{ "verified": true, "answer": 7747, "timestamp": "2026-02-08T02:53:35.938288Z" }
4c488f
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 248, "completion_tokens": 32768 }, "timestamp": "2026-02-23T17:52:07.169Z", "answer": null }, { ...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "ok" }, { "lemma": "K5", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V7", "status": "no" ...
{ "lo": 0.2, "mid": 2.67, "hi": 4.72 }
cb7ed4
nt_count_gcd_equals_v1_458359167_5190
Let $P$ be the set of all ordered pairs of positive integers $(x, y)$ such that $xy = 1034289$. Let $s$ be the minimum value of $x + y$ over all such pairs. Let $k$ be the number of positive integers $n$ such that $1 \leq n \leq s$ and the $n$-th Fibonacci number is divisible by 4. Let $u = 32768$ and $d = 1$. Compute ...
21,653
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(1034289)))), expr=Sum(Var("x"), Var("y")))), "upper": Const...
NT
null
COUNT
sympy
B3
[ "B3/COUNT_FIB_DIVISIBLE" ]
9b7a57
nt_count_gcd_equals_v1
null
6
0
[ "B3", "COUNT_FIB_DIVISIBLE" ]
2
2.969
2026-02-08T12:20:25.822287Z
{ "verified": true, "answer": 21653, "timestamp": "2026-02-08T12:20:28.791370Z" }
e22834
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": 1908 }, "timestamp": "2026-02-15T00:03:04.438Z", "answer": 21653 }, ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "ok_later" }, { "lemma": "K16", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" ...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
ecd2c6
nt_num_divisors_compute_v1_655260480_4578
Let $n$ be the number of positive integers $p$ for which there exists a positive integer $q$ such that $p < q$, $\gcd(p, q) = 1$, and $pq = 2226131188222441500$. Compute the number of positive divisors of $n$.
11
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=2226131188222441500)), Eq(left=GCD(a=Var(name='p'), b=Var(name='q')), right=C...
NT
null
COMPUTE
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS" ]
2bb3aa
nt_num_divisors_compute_v1
null
4
0
[ "COPRIME_PAIRS" ]
1
0.006
2026-02-08T18:00:10.226505Z
{ "verified": true, "answer": 11, "timestamp": "2026-02-08T18:00:10.232982Z" }
a605de
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 110, "completion_tokens": 2551 }, "timestamp": "2026-02-18T11:44:19.526Z", "answer": 11 }, { ...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
41e7d1
geo_count_lattice_triangle_v1_1520064083_6438
Consider a triangle with vertices at $(0,0)$, $(441,169)$, and $(289,120)$. Let $A$ be twice the area of this triangle, and let $B$ be the number of lattice points on the boundary of the triangle, including the vertices. Define $$ I = \frac{A + 2 - B}{2}. $$ Compute $$ \sum_{n=1}^{|I|} \tau(n), $$ where $\tau(n)$ is ...
15,843
graphs = [ Graph( let={ "area_2x": Abs(arg=Sum(Mul(Const(value=441), Const(value=120)), Mul(Const(value=289), Sub(left=Const(value=0), right=Const(value=169))))), "boundary": Sum(GCD(a=Abs(arg=Const(value=441)), b=Abs(arg=Const(value=169))), GCD(a=Abs(arg=Sub(left=Const(value=289), r...
NT
null
COUNT
sympy
[]
geo_count_lattice_triangle_v1
null
6
0
null
null
0.004
2026-02-08T08:04:25.418288Z
{ "verified": true, "answer": 15843, "timestamp": "2026-02-08T08:04:25.422295Z" }
416736
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": 3877 }, "timestamp": "2026-02-13T15:07:27.501Z", "answer": 15843 }, ...
1
[]
{ "lo": -3.51, "mid": 1.33, "hi": 6.56 }
994e37
diophantine_product_count_v1_1520064083_6514
Let $S$ be the set of all integers $t$ for which there exist integers $a$ and $b$ with $1\le a\le 3$ and $1\le b\le 4$ such that $$10\le t\le 34\quad\text{and}\quad t=6a+4b.$$ Let $m$ be the number of elements of $S$. Let $c=14$. Let $U$ be the number of integers $n$ with $1\le n\le 21600$ such that $c$ divides the $...
9,165
graphs = [ Graph( let={ "_c": Const(14), "_m": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=3)), Geq(left=Var(...
NT
COMB
COUNT
sympy
LIN_FORM
[ "LIN_FORM/COUNT_FIB_DIVISIBLE", "COUNT_FIB_DIVISIBLE/B3" ]
2aa12e
diophantine_product_count_v1
bell_mod
7
0
[ "B3", "COUNT_FIB_DIVISIBLE", "LIN_FORM" ]
3
0.009
2026-02-08T08:08:16.571798Z
{ "verified": true, "answer": 9165, "timestamp": "2026-02-08T08:08:16.580785Z" }
7b45f2
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 314, "completion_tokens": 2915 }, "timestamp": "2026-02-13T15:12:03.301Z", "answer": 9165 }, {...
1
[ { "lemma": "B3", "status": "ok_later" }, { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "ok" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "l...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
b6d476
nt_count_divisible_v1_124444284_352
Let $u = 84681$. Consider the set of all positive integers $n$ such that $n \leq u$ and $n$ is divisible by $12$. Compute the number of such integers $n$.
7,056
graphs = [ Graph( let={ "upper": Const(84681), "divisor": Const(12), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), EulerPhi(n=Const(1))), Leq(Var("n"), Ref("upper")), Eq(Mod(value=Var("n"), modulus=Ref("divisor")), Const(0))))), ...
NT
null
COUNT
sympy
ONE_PHI_1
[ "ONE_PHI_1" ]
f6b5a5
nt_count_divisible_v1
null
3
0
[ "ONE_PHI_1" ]
1
5.319
2026-02-08T03:13:30.327056Z
{ "verified": true, "answer": 7056, "timestamp": "2026-02-08T03:13:35.646458Z" }
81ac1d
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 156, "completion_tokens": 209 }, "timestamp": "2026-02-09T16:26:40.661Z", "answer": 7056 }, { "id...
2
[ { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "ONE_PHI_1", "status": "ok" } ]
{ "lo": -10, "mid": -6.47, "hi": -2.95 }
631c7f
sequence_count_fib_divisible_v1_971394319_1728
Let $n = 5$. Let $S$ be the set of all ordered pairs $(x, y)$ of positive integers such that $xy = 1030225$. Let $M$ be the minimum value of $x + y$ over all such pairs. Let $U$ be the number of positive integers $k \le M$ such that $n$ divides the $k$-th Fibonacci number. Let $T$ be the set of all positive integers $...
42,420
graphs = [ Graph( let={ "_n": Const(5), "upper": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositi...
NT
null
COUNT
sympy
B3
[ "B3/COUNT_FIB_DIVISIBLE" ]
9b7a57
sequence_count_fib_divisible_v1
null
7
0
[ "B3", "COUNT_FIB_DIVISIBLE" ]
2
0.037
2026-02-08T13:52:42.798741Z
{ "verified": true, "answer": 42420, "timestamp": "2026-02-08T13:52:42.835810Z" }
d16e3f
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": 1627 }, "timestamp": "2026-02-15T21:37:24.886Z", "answer": 42420 }, ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "ok_later" }, { "lemma": "K13", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { ...
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
27941c
geo_count_lattice_rect_v1_124444284_7686
Compute the number of lattice points $(x, y)$ such that $0 \leq x \leq 88$ and $0 \leq y \leq 106$.
9,523
graphs = [ Graph( let={ "a": Const(88), "b": Const(106), "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
2026-02-08T09:17:01.943445Z
{ "verified": true, "answer": 9523, "timestamp": "2026-02-08T09:17:01.943869Z" }
ec80e1
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 148, "completion_tokens": 257 }, "timestamp": "2026-02-24T11:02:27.701Z", "answer": 9523 }, { "id...
1
[]
{ "lo": -7.18, "mid": -5, "hi": -3.01 }
253963
diophantine_sum_product_min_v1_124444284_8274
Let $m = 2$ and let $k$ be the largest positive integer such that $2^k \leq 821726451$. Let $S = 11$ and $P = 18$. Consider the set of all positive integers $n$ such that $1 \leq n \leq k$ and $\gcd(n, 6) = 1$. Let $t$ be the number of elements in this set. Now consider the set of all positive integers $x$ such that $...
2
graphs = [ Graph( let={ "_m": Const(2), "_n": MaxOverSet(set=SolutionsSet(var=Var("k"), condition=Leq(Pow(Ref("_m"), Var("k")), Const(821726451)))), "S": Const(11), "P": Const(18), "result": MinOverSet(set=SolutionsSet(var=Var("x"), condition=And(G...
NT
null
EXTREMUM
sympy
B3
[ "MAX_VAL/C4" ]
33188f
diophantine_sum_product_min_v1
null
5
0
[ "B3", "C4", "MAX_VAL" ]
3
0.026
2026-02-08T09:37:25.977276Z
{ "verified": true, "answer": 2, "timestamp": "2026-02-08T09:37:26.003391Z" }
0c85a1
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 206, "completion_tokens": 672 }, "timestamp": "2026-02-15T20:47:08.797Z", "answer": 2 }, { "id": 11, "...
2
[ { "lemma": "C4", "status": "ok_later" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "K16", "status": "same_pattern_wrong" }, { "lemma": "K5", "status": "no" }, { "lemma": "MAX_VAL", "status": "...
{ "lo": -9.12, "mid": -6.02, "hi": -3.62 }
62e1e5
modular_sum_quadratic_residues_v1_238844314_850
Let $n = 30967$. Let $p$ be the smallest divisor of $n$ that is at least $2$. Compute $\frac{p(p-1)}{4}$.
7,439
graphs = [ Graph( let={ "_n": Const(30967), "p": MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(2)), Divides(divisor=Var("d"), dividend=Ref("_n"))))), "result": Div(Mul(Ref("p"), Sub(Ref("p"), Const(1))), Const(4)), }, goal=Ref...
NT
null
SUM
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR" ]
bc3776
modular_sum_quadratic_residues_v1
null
3
0
[ "MIN_PRIME_FACTOR" ]
1
0.002
2026-02-08T13:39:04.709273Z
{ "verified": true, "answer": 7439, "timestamp": "2026-02-08T13:39:04.711037Z" }
6d6c23
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 84, "completion_tokens": 1731 }, "timestamp": "2026-02-15T18:40:52.581Z", "answer": 7439 }, { ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "VAL_SUM_EQ", "status": "...
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
e05cb3
algebra_poly_eval_v1_971394319_449
Let $A$ be the number of positive integers $n$ with $1 \leq n \leq 35$ such that the sum of the digits of $n$ is odd. Let $B$ be the number of integers $t$ with $27 \leq t \leq 312$ for which there exist positive integers $a$ and $b$ such that $1 \leq a \leq 8$, $1 \leq b \leq 24$, and $t = 21a + 6b$. Compute the value...
1,065
graphs = [ Graph( let={ "_m": Const(2), "_n": Const(51), "n": Const(21), "result": Div(Sum(Mul(CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Const(35)), Eq(Mod(value=DigitSum(Var("n")), modulus=Const(2)), Cons...
NT
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM", "L3B" ]
f85b0e
algebra_poly_eval_v1
null
5
0
[ "L3B", "LIN_FORM" ]
2
0.007
2026-02-08T13:06:24.494211Z
{ "verified": true, "answer": 1065, "timestamp": "2026-02-08T13:06:24.501332Z" }
c411d2
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 191, "completion_tokens": 7345 }, "timestamp": "2026-02-15T09:46:01.552Z", "answer": 1065 }, {...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "L3B", "status": "ok" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST",...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
dd863b
alg_sym_quad_system_v1_1218484723_3713
Compute the remainder when $$\sum_{(a, b, c),\ a^{2} + b^{2} + c^{2} = ab + bc + ca,\ 2a + 7b + 4c = 4537,\ a, b, c \ge 1} a^{5} + b^{5} + c^{5}$$ is divided by $$\left|\left\{k : 1 \le k \le 73917,\ \left|\{j : 1 \le j \le 43,\ j^{2} \le \max\{xy : (x, y),\ x > 0,\ y > 0,\ x + y = 86\}\}\right| \mid k\right\}\right|.$...
948
graphs = [ Graph( let={ "_c": Const(5), "_m": Const(4537), "_n": Const(2), "result": Mod(value=SumOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b"), Var("c")]), condition=And(Eq(Sum(Pow(Var("a"), Const(2)), Pow(Var("b"), Const(2)),...
NT
null
COMPUTE
sympy
B1
[ "B1/C3/C2" ]
c87e87
alg_sym_quad_system_v1
null
8
0
[ "B1", "C2", "C3" ]
3
0.031
2026-02-25T05:20:04.519334Z
{ "verified": true, "answer": 948, "timestamp": "2026-02-25T05:20:04.550671Z" }
b05084
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 279, "completion_tokens": 1772 }, "timestamp": "2026-03-29T11:51:46.358Z", "answer": 948 }, { "id...
1
[ { "lemma": "B1", "status": "ok" }, { "lemma": "C2", "status": "ok_later" }, { "lemma": "C3", "status": "ok_later" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { ...
{ "lo": -2.45, "mid": 1.37, "hi": 5.29 }
cb832c
algebra_poly_eval_v1_784195855_10453
Let $t = 5$. Define $S$ as the set of all positive integers $p$ for which there exists a positive integer $q$ such that $p \cdot q = 36$, $\gcd(p, q) = 1$, and $p < q$. Let $e$ be the number of elements in $S$. Compute the value of $$ \frac{6t^5 - 5t^4 - 48t^3 + 15t^e + 31t + 15}{15}. $$Then let $Q$ be the remainder wh...
31,904
graphs = [ Graph( let={ "_n": Const(512), "t": Const(5), "result": Div(Sum(Mul(Const(6), Pow(Ref("t"), Const(5))), Mul(Const(-5), Pow(Ref("t"), Const(4))), Mul(Const(-48), Pow(Ref("t"), Const(3))), Mul(Const(15), Pow(Ref("t"), CountOverSet(set=SolutionsSet(var=Var("p"), c...
NT
null
COMPUTE
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS" ]
2bb3aa
algebra_poly_eval_v1
null
5
0
[ "COPRIME_PAIRS" ]
1
0.003
2026-02-08T18:07:45.105172Z
{ "verified": true, "answer": 31904, "timestamp": "2026-02-08T18:07:45.108101Z" }
cfff44
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 201, "completion_tokens": 1657 }, "timestamp": "2026-02-18T13:42:58.301Z", "answer": 31904 }, ...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "VAL_SUM_EQ", "...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
ef5ca3
sequence_count_fib_divisible_v1_1874849503_178
Let $d = 9$ and let $A$ be the number of positive integers $n$ such that $1 \leq n \leq 237$ and $d$ divides the $n$-th Fibonacci number. Let $B$ be the number of integers $t$ such that $9 \leq t \leq 950$ and there exist positive integers $a \leq 391$ and $b \leq 24$ satisfying $t = 2a + 7b$. Compute $A \cdot B$.
17,784
graphs = [ Graph( let={ "upper": Const(237), "d": Const(9), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("upper")), Divides(divisor=Ref("d"), dividend=Fibonacci(arg=Var(name='n')))))), "_c": Cou...
NT
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM" ]
3d6396
sequence_count_fib_divisible_v1
affine_mod
6
0
[ "LIN_FORM" ]
1
0.013
2026-02-08T12:52:16.262729Z
{ "verified": true, "answer": 17784, "timestamp": "2026-02-08T12:52:16.275828Z" }
3b39e7
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 231, "completion_tokens": 5646 }, "timestamp": "2026-02-09T14:29:43.845Z", "answer": 17784 }, { "...
1
[ { "lemma": "L3b", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -5.15, "mid": 0.01, "hi": 5.44 }
ebd782
nt_count_coprime_v1_784195855_1738
Let $k$ be the number of positive integers $n$ with $1 \leq n \leq 307$ such that $n \equiv \left\lfloor \frac{n}{2} \right\rfloor \pmod{11}$. Determine the number of positive integers $n$ with $1 \leq n \leq 11299$ such that $\gcd(n, k) = 1$.
7,533
graphs = [ Graph( let={ "upper": Const(11299), "k": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Const(307)), Congruent(a=Var(name='n'), b=Floor(arg=Div(left=Var(name='n'), right=Const(value=2))), modulus=Const(value=11))))), ...
NT
null
COUNT
sympy
L3C
[ "L3C" ]
73f8b0
nt_count_coprime_v1
null
6
0
[ "L3C" ]
1
3.369
2026-02-08T05:16:17.060044Z
{ "verified": true, "answer": 7533, "timestamp": "2026-02-08T05:16:20.429077Z" }
3dd29c
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 130, "completion_tokens": 1190 }, "timestamp": "2026-02-12T06:11:21.776Z", "answer": 7533 }, {...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "L3C", "status": "ok" }, { "lemma": "L3b", "status": "no" }, { "lemma": "V3", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
9a0f6e
sequence_fibonacci_compute_v1_1470522791_1193
Let $n$ be the largest prime number at most 26. Find the value of the $n$-th Fibonacci number.
28,657
graphs = [ Graph( let={ "_n": Const(26), "n": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Ref("_n")), IsPrime(Var("n"))))), "result": Fibonacci(arg=Ref(name='n')), }, goal=Ref("result"), ) ]
NT
null
COMPUTE
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW" ]
dc3ad3
sequence_fibonacci_compute_v1
null
2
0
[ "MAX_PRIME_BELOW" ]
1
0.001
2026-02-08T13:29:42.761495Z
{ "verified": true, "answer": 28657, "timestamp": "2026-02-08T13:29:42.762882Z" }
a8b4f7
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 73, "completion_tokens": 446 }, "timestamp": "2026-02-15T16:56:33.098Z", "answer": 28657 }, { ...
1
[ { "lemma": "K17", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V3", "status": "no" } ]
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
711105
nt_count_divisible_v1_151522320_1453
Let $A$ be the number of positive integers $n$ such that $n \leq 86436$ and $n$ is divisible by $9$. Let $c$ be the number of nonnegative integers $j \leq 24360$ such that $\binom{24360}{j}$ is odd. Compute the remainder when $c - A$ is divided by $91972$.
82,624
graphs = [ Graph( let={ "_n": Const(24360), "upper": Const(86436), "divisor": Const(9), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("upper")), Eq(Mod(value=Var("n"), modulus=Ref("divisor")), Co...
ALG
COMB
COUNT
sympy
V8
[ "V8" ]
04a712
nt_count_divisible_v1
negation_mod
5
0
[ "V8" ]
1
3
2026-02-08T04:01:46.814757Z
{ "verified": true, "answer": 82624, "timestamp": "2026-02-08T04:01:49.814301Z" }
5c18bb
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 194, "completion_tokens": 1227 }, "timestamp": "2026-02-23T23:12:13.878Z", "answer": 82624 }, { "...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "ok" } ]
{ "lo": -2.46, "mid": 0.47, "hi": 3.59 }
427076
nt_count_divisible_and_v1_1915831931_4025
Let $A$ be the number of positive integers $n$ at most $169920$ that are divisible by both $12$ and $18$. Compute the sum $\sum_{i=0}^{d-1} a_i (i+1)^2$, where $d$ is the number of digits in $A$ and $a_i$ is the $i$-th decimal digit of $A$ (with $a_0$ the units digit). To this result, add the number of nonnegative inte...
4,231
graphs = [ Graph( let={ "_n": Const(2), "upper": Const(169920), "d1": Const(12), "d2": Const(18), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("upper")), Eq(Mod(value=Var("n"), modul...
ALG
COMB
COUNT
sympy
V8
[ "V8" ]
86b5fc
nt_count_divisible_and_v1
digits_weighted_mod
6
0
[ "V8" ]
1
6.077
2026-02-08T18:03:48.240368Z
{ "verified": true, "answer": 4231, "timestamp": "2026-02-08T18:03:54.317294Z" }
c51d8a
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 182, "completion_tokens": 3935 }, "timestamp": "2026-02-18T13:08:56.183Z", "answer": 4231 }, {...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "V8", "status": "ok" } ]
{ "lo": -2.38, "mid": 1.74, "hi": 6.59 }
c9b0b1
antilemma_sum_equals_v1_238844314_189
Let $m$ be the number of ordered pairs of integers $(i, j)$ such that $1 \leq i \leq 12$ and $1 \leq j \leq 15$. Let $n$ be the number of ordered pairs of positive odd integers $(x_1, x_2)$ such that $x_1 + x_2 = m$. Let $x$ be the number of ordered pairs of positive integers $(i, j)$ such that $1 \leq i \leq 88$, $1 \...
3,867
graphs = [ Graph( let={ "_m": CountOverSet(set=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(12)), right=IntegerRange(start=Const(1), end=Const(15)))), "_n": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x1"), Var("x2")]), condition=And(IsPositive(arg=Var(name...
COMB
GEOM
COMPUTE
sympy
LIN_FORM
[ "COUNT_CARTESIAN/COMB1/COUNT_SUM_EQUALS", "COUNT_SUM_EQUALS" ]
9b4db5
antilemma_sum_equals_v1
null
5
0
[ "COMB1", "COUNT_CARTESIAN", "COUNT_SUM_EQUALS", "LIN_FORM" ]
4
0.045
2026-02-08T13:09:46.360595Z
{ "verified": true, "answer": 3867, "timestamp": "2026-02-08T13:09:46.405100Z" }
923fbb
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 261, "completion_tokens": 793 }, "timestamp": "2026-02-24T17:20:08.218Z", "answer": 3867 }, { "id...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COMB1", "status": "ok_later" }, { "lemma": "COUNT_CARTESIAN", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_...
{ "lo": -2.35, "mid": 1.22, "hi": 4.84 }
8e20eb
nt_min_coprime_above_v1_784195855_3063
Let $p = 23$ and $n_1 = p^2$. Define $e$ to be the number of distinct prime factors of $n_1$. Let $n = 71$ and $h = \lambda(n) + e$, where $\lambda(n)$ is the Liouville function evaluated at $n$. Let $\mathcal{S}$ be the set of all integers $n$ such that $55225 < n \leq 55701$ and $\gcd(n, 466 + h) = 1$. Determine the ...
55,227
graphs = [ Graph( let={ "p": Const(23), "n1": Pow(Ref("p"), Const(2)), "e": SmallOmega(n=Ref(name='n1')), "n": Const(71), "h": Sum(LiouvilleLambda(n=Ref(name='n')), Ref("e")), "start": Const(55225), "upper": Const(55701), ...
NT
null
EXTREMUM
sympy
LIOUVILLE_MINUS_ONE
[ "LIOUVILLE_MINUS_ONE", "OMEGA_ONE" ]
1d1751
nt_min_coprime_above_v1
null
5
2
[ "LIOUVILLE_MINUS_ONE", "OMEGA_ONE" ]
2
0.081
2026-02-08T06:12:42.730819Z
{ "verified": true, "answer": 55227, "timestamp": "2026-02-08T06:12:42.812155Z" }
46abeb
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 231, "completion_tokens": 374 }, "timestamp": "2026-02-19T02:10:42.499Z", "answer": 55227 } ]
2
[ { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "LIOUVILLE_MINUS_ONE", "status": "ok" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "OMEGA_ONE", "status": "ok" }, { "lemma": "POLY_PADIC_V...
{ "lo": -10, "mid": -6.47, "hi": -2.95 }
643ded
nt_count_divisible_and_v1_1874849503_740
Let $n$ be a positive integer. Define $A$ as the set of all integers $n$ such that $1 \leq n \leq 15359$ and $\gcd(n, 20) = 1$. Let $u$ be the number of elements in $A$. Define $B$ as the set of all positive integers $n$ such that $1 \leq n \leq u$, $n$ is divisible by 6, and $n$ is divisible by 8. Let $r$ be the numbe...
3,677
graphs = [ Graph( let={ "_n": Const(44121), "upper": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Const(15359)), Eq(GCD(a=Var("n"), b=Const(20)), Const(1))))), "d1": Const(6), "d2": Const(8), "res...
NT
null
COUNT
sympy
C4
[ "C4" ]
08d162
nt_count_divisible_and_v1
null
4
0
[ "C4" ]
1
0.262
2026-02-08T13:16:27.410087Z
{ "verified": true, "answer": 3677, "timestamp": "2026-02-08T13:16:27.671980Z" }
9a9f48
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": 1354 }, "timestamp": "2026-02-09T20:28:05.753Z", "answer": 3677 }, { "i...
1
[ { "lemma": "C4", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "V3", "status": "no" } ]
{ "lo": -5.49, "mid": 0.03, "hi": 6.12 }
269ff4
modular_count_residue_v1_1431428450_1261
Let $m$ be the largest prime number less than or equal to $8$. Let $R$ be the number of positive integers $n$ less than or equal to $38809$ such that $n \equiv 6 \pmod{m}$. Compute $41616 - R$.
36,072
graphs = [ Graph( let={ "_n": Const(8), "upper": Const(38809), "m": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Ref("_n")), IsPrime(Var("n"))))), "r": Const(6), "result": CountOverSet(set=Solutions...
NT
null
COUNT
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW" ]
dc3ad3
modular_count_residue_v1
null
3
0
[ "MAX_PRIME_BELOW" ]
1
1.504
2026-02-08T13:59:02.542281Z
{ "verified": true, "answer": 36072, "timestamp": "2026-02-08T13:59:04.046356Z" }
628a0c
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 122, "completion_tokens": 401 }, "timestamp": "2026-02-16T05:09:58.254Z", "answer": 36072 }, { "id": 11, ...
2
[ { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "V5", "status": "no" } ]
{ "lo": -10, "mid": -7.27, "hi": -4.54 }
5d67d3
alg_sum_powers_v1_1218484723_5652
Let $m = \min\{ x + y : x, y > 0,\ xy = 703921 \}$. Find the remainder when $\sum_{k=1}^{m} k^3$ is divided by $4437$.
3,313
graphs = [ Graph( let={ "_n": Const(4437), "result": Mod(value=Summation(var="k", start=Const(1), end=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(...
ALG
null
COMPUTE
sympy
COUNT_FIB_DIVISIBLE
[ "B3" ]
0cd20d
alg_sum_powers_v1
null
6
0
[ "B3", "COUNT_FIB_DIVISIBLE" ]
2
9.209
2026-02-25T07:11:00.636949Z
{ "verified": true, "answer": 3313, "timestamp": "2026-02-25T07:11:09.846197Z" }
e2905a
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 161, "completion_tokens": 1618 }, "timestamp": "2026-03-29T22:08:16.729Z", "answer": 3313 }, { "i...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": -3.33, "mid": 1.03, "hi": 5.26 }
bb9919
nt_num_divisors_compute_v1_655260480_393
Let $ n = 94864 $. Compute the number of positive divisors of $ n $.
45
graphs = [ Graph( let={ "n": Const(94864), "result": NumDivisors(n=Ref("n")), }, goal=Ref("result"), ) ]
NT
null
COMPUTE
sympy
B3
[ "B3" ]
0cd20d
nt_num_divisors_compute_v1
null
2
0
[ "B3" ]
1
0.009
2026-02-08T15:22:07.033823Z
{ "verified": true, "answer": 45, "timestamp": "2026-02-08T15:22:07.042861Z" }
608ab5
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 65, "completion_tokens": 572 }, "timestamp": "2026-02-16T04:43:56.646Z", "answer": 45 }, { ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "K15", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "V8", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
d24e34
alg_qf_psd_sum_v1_1218484723_6833
Find the remainder when $$\sum_{\substack{1 \le a \le 60 \\ 1 \le b \le 60 \\ 1 \le c \le C}} \left( 21a^2 - 16bc + 13c^2 + 10ac - 16ab + 14b^2 \right)$$ is divided by $95579$, where $C = \left| \left\{ (a_1, b_1) : 1 \le a_1, b_1 \le 40,\ 16a_1^2 - 32a_1b_1 + 16b_1^2 = D \right\} \right|$ and $D = \left| \left\{ (a_2,...
253
graphs = [ Graph( let={ "_m": Const(2), "_n": Const(2), "result": Mod(value=SumOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b"), Var("c")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), Const(60)), Geq(Var("b"), Const(1)), Leq(Var("b"...
ALG
null
COMPUTE
sympy
QF_PSD_COUNT_LEQ
[ "QF_PSD_COUNT_LEQ/QF_PSD_COUNT" ]
831c70
alg_qf_psd_sum_v1
null
6
0
[ "QF_PSD_COUNT", "QF_PSD_COUNT_LEQ" ]
2
0.808
2026-02-25T08:18:23.133592Z
{ "verified": true, "answer": 253, "timestamp": "2026-02-25T08:18:23.941127Z" }
f88b7c
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 337, "completion_tokens": 5171 }, "timestamp": "2026-03-30T02:45:22.085Z", "answer": 253 }, { "id...
1
[ { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "QF_PSD_COUNT", "status": "ok_later" }, { "lemma": "QF_PSD_COUNT_LEQ", "status": "ok" } ]
{ "lo": -3.33, "mid": 1.03, "hi": 5.26 }
ad6ffb
comb_factorial_compute_v1_1248542787_938
Let $n$ be the number of nonnegative integers $j \leq 3104$ for which the binomial coefficient $\binom{3104}{j}$ is odd. Compute the value of $n!$.
40,320
graphs = [ Graph( let={ "_n": Const(2), "n": CountOverSet(set=SolutionsSet(var=Var("j"), condition=And(Geq(Var("j"), Const(0)), Leq(Var("j"), Const(3104)), Eq(Mod(value=Binom(n=Const(3104), k=Var("j")), modulus=Ref("_n")), Const(1))), domain='nonnegative_integers')), "res...
ALG
COMB
COMPUTE
sympy
V8
[ "V8" ]
86348e
comb_factorial_compute_v1
null
6
0
[ "V8" ]
1
0.003
2026-02-08T03:29:48.871408Z
{ "verified": true, "answer": 40320, "timestamp": "2026-02-08T03:29:48.874591Z" }
7e324f
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 160, "completion_tokens": 961 }, "timestamp": "2026-02-09T10:14:04.227Z", "answer": 40320 }, { "i...
1
[ { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "V8", "status": "ok" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -2.46, "mid": 0.46, "hi": 3.54 }
9ea44b
modular_min_linear_v1_798873815_194
Let $ a = 33847 $, $ b = 22567 $, and $ m = 59899 $. Determine the value of $ x $, where $ x $ is the smallest integer satisfying $ 1 \leq x \leq m $ and $ ax \equiv b \pmod{m} $.
48,947
graphs = [ Graph( let={ "a": Const(33847), "b": Const(22567), "m": Const(59899), "result": MinOverSet(set=SolutionsSet(var=Var("x"), condition=And(Geq(Var("x"), EulerPhi(n=Const(2))), Leq(Var("x"), Ref("m")), Eq(Mod(value=Mul(Ref("a"), Var("x")), modulus=Ref("...
NT
null
EXTREMUM
sympy
ONE_PHI_2
[ "ONE_PHI_2" ]
e19278
modular_min_linear_v1
null
5
0
[ "ONE_PHI_2" ]
1
2.268
2026-02-08T02:31:02.899894Z
{ "verified": true, "answer": 48947, "timestamp": "2026-02-08T02:31:05.167635Z" }
13db9c
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 175, "completion_tokens": 3277 }, "timestamp": "2026-02-09T14:13:08.283Z", "answer": 48947 }, { ...
1
[ { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "ONE_PHI_2", "status": "ok" }, { "lemma": "V5", "status": "no" } ]
{ "lo": -1.81, "mid": 2.18, "hi": 5.82 }
310a53
nt_count_intersection_v1_784195855_2534
Let $m = 18$. Define $N$ to be the number of ordered pairs $(x,y)$ of positive integers such that $x + y = m$. Let $a$ be the number of ordered pairs $(i,j)$ with $1 \leq i \leq 6$, $1 \leq j \leq 6$, and $i + j = 8$. Let $b$ be the minimum value of $x + y$ over all ordered pairs $(x,y)$ of positive integers such that ...
1,333
graphs = [ Graph( let={ "_m": Const(18), "_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("_m")))), expr=Mul(Var("x"), Var("y")))), ...
NT
null
COUNT
sympy
B1
[ "B1/COUNT_SUM_EQUALS/B3" ]
c6b1d1
nt_count_intersection_v1
null
6
0
[ "B1", "B3", "COUNT_SUM_EQUALS" ]
3
1.061
2026-02-08T05:50:47.252459Z
{ "verified": true, "answer": 1333, "timestamp": "2026-02-08T05:50:48.313554Z" }
3fc6de
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 194, "completion_tokens": 2122 }, "timestamp": "2026-02-12T14:48:58.795Z", "answer": 1333 }, {...
1
[ { "lemma": "B1", "status": "ok" }, { "lemma": "B3", "status": "ok_later" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok_later" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MOD_FACTORIAL", "stat...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
f18c73
antilemma_k3_v1_124444284_8356
Let $x$ be the sum of $\phi(d)$ over all positive divisors $d$ of $61243$, where $\phi$ denotes Euler's totient function. Let $Q$ be the remainder when $54221 \cdot x$ is divided by $99391$. Compute $Q$.
3,393
graphs = [ Graph( let={ "x": SumOverDivisors(n=Const(value=61243), var='d', expr=EulerPhi(n=Var(name='d'))), "Q": Mod(value=Mul(Const(54221), Ref("x")), modulus=Const(99391)), }, goal=Ref("Q"), ) ]
NT
COMB
COMPUTE
sympy
K3
[ "K3" ]
54c41e
antilemma_k3_v1
null
5
0
[ "K3" ]
1
0.001
2026-02-08T09:39:12.733547Z
{ "verified": true, "answer": 3393, "timestamp": "2026-02-08T09:39:12.734441Z" }
30d240
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": 1106 }, "timestamp": "2026-02-14T05:33:59.636Z", "answer": 3393 }, {...
1
[ { "lemma": "DS2", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "K3", "status": "ok" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" } ]
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
22da6d
nt_count_divisible_and_v1_717093673_3818
Let $u = 138300$ and $d_1 = 10$. Define $d_2 = \sum_{k=1}^{5} \phi(k) \left\lfloor \frac{5}{k} \right\rfloor$. Let $r$ be the number of positive integers $n \leq u$ such that $n$ is divisible by both $d_1$ and $d_2$. Compute the value of $$ r + \phi(|r| + 1) + \tau(|r| + 1), $$ where $\tau(x)$ denotes the number of po...
7,530
graphs = [ Graph( let={ "upper": Const(138300), "d1": Const(10), "d2": Summation(var="k", start=Const(1), end=Const(5), expr=Mul(EulerPhi(n=Var("k")), Floor(Div(Const(5), Var("k"))))), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var...
NT
null
COUNT
sympy
K2
[ "K2" ]
6897ab
nt_count_divisible_and_v1
null
5
0
[ "K2" ]
1
4.507
2026-02-08T17:52:40.130961Z
{ "verified": true, "answer": 7530, "timestamp": "2026-02-08T17:52:44.637803Z" }
5f97fb
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": 1561 }, "timestamp": "2026-02-18T09:02:16.731Z", "answer": 7530 }, {...
1
[ { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
e3c637
comb_count_derangements_v1_124444284_8558
Let $u_1 = 4$, and let $n_2 = u_1 + 1$. Define $h = \sum_{k=0}^{n_2} (-1)^k \binom{n_2}{k}$. Let $n_1 = h + 1$, and define $f = \sum_{k=0}^{n_1} (-1)^k \binom{n_1}{k}$. Let $n = 8 + f$. Compute the subfactorial of $n$.
14,833
graphs = [ Graph( let={ "u1": Const(4), "n2": Sum(Ref("u1"), Const(1)), "h": Summation(var="k", start=Const(0), end=Ref("n2"), expr=Mul(Pow(Const(-1), Var("k")), Binom(n=Ref("n2"), k=Var("k")))), "u": Ref("h"), "n1": Sum(Ref("u"), Const(1)), ...
COMB
null
COUNT
sympy
BINOMIAL_ALTERNATING
[ "BINOMIAL_ALTERNATING" ]
c21569
comb_count_derangements_v1
null
4
2
[ "BINOMIAL_ALTERNATING" ]
1
0.001
2026-02-08T09:47:04.776693Z
{ "verified": true, "answer": 14833, "timestamp": "2026-02-08T09:47:04.777538Z" }
00e303
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 223, "completion_tokens": 1733 }, "timestamp": "2026-02-24T11:42:34.507Z", "answer": 14833 }, { "...
1
[ { "lemma": "BINOMIAL_ALTERNATING", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "...
{ "lo": -5.97, "mid": -3.97, "hi": -1.93 }
46b9da
nt_count_gcd_equals_v1_124444284_652
Let $k$ be the number of integers $t$ such that $9 \leq t \leq 191$ and there exist positive integers $a$ and $b$ with $1 \leq a \leq 19$, $1 \leq b \leq 23$, and $$ t = 4a + 5b. $$ Let $d = 57$. Compute the number of positive integers $n$ such that $1 \leq n \leq 21025$ and $\gcd(n, k) = d$.
246
graphs = [ Graph( let={ "upper": Const(21025), "k": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=19)), Geq(lef...
NT
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
nt_count_gcd_equals_v1
null
5
0
[ "LIN_FORM" ]
1
1.751
2026-02-08T03:25:57.623250Z
{ "verified": true, "answer": 246, "timestamp": "2026-02-08T03:25:59.374348Z" }
7f6d53
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 235, "completion_tokens": 2491 }, "timestamp": "2026-02-09T04:27:59.326Z", "answer": 246 }, { "i...
1
[ { "lemma": "K15", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V1", "status": "no" } ]
{ "lo": -3.42, "mid": 1.86, "hi": 7.55 }
6186df
alg_qf_psd_count_v1_601307018_1173
Let $C = \left|\{ (a_1, b_1) \in \mathbb{Z}^+ \times \mathbb{Z}^+ : a_1 \leq 30,\ b_1 \leq 30,\ 41a_1^2 -12a_1b_1 + 20b_1^2 \leq 5536 \}\right|$. Find the number of ordered pairs $(a, b)$ of positive integers with $1 \le a \le C$ and $1 \le b \le 159$ satisfying $50a^2 + 60ab + 18b^2 = 1299272$.
31
graphs = [ Graph( let={ "_n": Const(20), "result": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a1"), Var("b1")]), condition=And(Geq(Var("a1"), Const...
ALG
null
COUNT
sympy
QF_PSD_COUNT
[ "QF_PSD_COUNT_LEQ" ]
009d0f
alg_qf_psd_count_v1
null
6
0
[ "QF_PSD_COUNT", "QF_PSD_COUNT_LEQ" ]
2
10.976
2026-03-10T01:47:00.590629Z
{ "verified": true, "answer": 31, "timestamp": "2026-03-10T01:47:11.566438Z" }
7c0f11
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 257, "completion_tokens": 4772 }, "timestamp": "2026-03-29T01:27:07.627Z", "answer": 31 }, { "id"...
1
[ { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "QF_PSD_COUNT_LEQ", "status": "ok" } ]
{ "lo": -0.92, "mid": 2.07, "hi": 4.68 }
97f206
modular_sum_quadratic_residues_v1_1125832087_611
Let $m = 30976$. Define $n$ to be the minimum value of $x + y$ over all ordered pairs $(x, y)$ of positive integers such that $xy = m$. Let $p$ be the largest prime number less than or equal to $n$. Compute $\frac{p(p-1)}{4}$, multiply this by $44121$, and find the remainder when the result is divided by $77153$.
38,384
graphs = [ Graph( let={ "_m": Const(30976), "_n": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Mul(Var("x"), Var("y")), Ref("_m")))), expr=Sum(Var("x"), Var("y")))),...
NT
null
SUM
sympy
B3
[ "B3/MAX_PRIME_BELOW" ]
f253c0
modular_sum_quadratic_residues_v1
null
6
0
[ "B3", "MAX_PRIME_BELOW" ]
2
0.003
2026-02-08T03:10:06.884100Z
{ "verified": true, "answer": 38384, "timestamp": "2026-02-08T03:10:06.886663Z" }
5e0c31
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 203, "completion_tokens": 1637 }, "timestamp": "2026-02-10T12:55:50.439Z", "answer": 38384 }, { ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "K15", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok_later" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { ...
{ "lo": -3.42, "mid": 1.86, "hi": 7.55 }
686531
modular_count_residue_v1_1520064083_6685
Let $m$ be the smallest divisor of $12673$ that is at least $2$. Let $r = 2$ and let $u = 53361$. Define $S$ as the set of all positive integers $n$ such that $1 \leq n \leq u$ and $n \equiv r \pmod{m}$. Let $t$ be the number of elements in $S$. Compute the remainder when $39989 \cdot t$ is divided by $57675$.
35,876
graphs = [ Graph( let={ "_n": Const(2), "upper": Const(53361), "m": MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Ref("_n")), Divides(divisor=Var("d"), dividend=Const(12673))))), "r": Const(2), "result": CountOverSet(set=Sol...
NT
null
COUNT
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR" ]
bc3776
modular_count_residue_v1
null
4
0
[ "MIN_PRIME_FACTOR" ]
1
4.662
2026-02-08T08:15:59.070430Z
{ "verified": true, "answer": 35876, "timestamp": "2026-02-08T08:16:03.732651Z" }
9bc761
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": 3610 }, "timestamp": "2026-02-13T16:55:17.827Z", "answer": 35876 }, ...
1
[ { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status":...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
010f28
modular_inverse_v1_1470522791_674
Let $a = 647$ and $m = 1039$. Define $r$ to be the smallest positive integer $x$ such that $1 \le x \le 1038$ and $$ 647x \equiv 1 \pmod{1039}. $$ Let $S$ be the set of all positive integers $t$ such that $12 \le t \le 9422$ and there exist positive integers $a$ and $b$ with $1 \le a \le 3923$, $1 \le b \le 523$, and $...
9,136
graphs = [ Graph( let={ "a": Const(647), "m": Const(1039), "upper": Const(1038), "result": MinOverSet(set=SolutionsSet(var=Var("x"), condition=And(Geq(Var("x"), Const(1)), Leq(Var("x"), Ref("upper")), Eq(Mod(value=Mul(Ref("a"), Var("x")), modulus=Ref("m")), Co...
NT
null
EXTREMUM
sympy
LIN_FORM
[ "LIN_FORM" ]
324ba4
modular_inverse_v1
negation_mod
5
0
[ "LIN_FORM" ]
1
0.075
2026-02-08T13:10:59.402432Z
{ "verified": true, "answer": 9136, "timestamp": "2026-02-08T13:10:59.476957Z" }
863a21
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 196, "completion_tokens": 4652 }, "timestamp": "2026-02-15T10:29:20.143Z", "answer": 9136 }, {...
1
[ { "lemma": "K14", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "V7", "status": "no" } ]
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
cba9be
comb_count_partitions_v1_1915831931_3306
Let $m = 9$, and let $s = \sum_{k=1}^{m} k$. Let $n$ be the sum $$ \sum_{d \mid s} \phi(d), $$ where $\phi(d)$ denotes Euler's totient function. Determine the value of $p(n)$, the number of integer partitions of $n$.
89,134
graphs = [ Graph( let={ "_m": Const(9), "_n": Summation(var="k", start=Const(1), end=Ref("_m"), expr=Var("k")), "n": SumOverDivisors(n=Ref(name='_n'), var='d', expr=EulerPhi(n=Var(name='d'))), "result": Partition(arg=Ref(name='n')), }, goal=Ref...
NT
COMB
COUNT
sympy
SUM_ARITHMETIC
[ "SUM_ARITHMETIC/K3" ]
7bbb8e
comb_count_partitions_v1
null
6
0
[ "K3", "SUM_ARITHMETIC" ]
2
0.003
2026-02-08T17:32:31.044524Z
{ "verified": true, "answer": 89134, "timestamp": "2026-02-08T17:32:31.047339Z" }
0bb498
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": 840 }, "timestamp": "2026-02-18T04:31:17.113Z", "answer": 89134 }, {...
1
[ { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "K3", "status": "ok_later" }, { "lemma": "L3c", "status": "no" }, { "lemma": "SUM_ARITHMETIC", "status": "ok" }...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
a989c0
nt_sum_divisors_mod_v1_124444284_5404
Let $S$ be the set of all ordered pairs $(x, y)$ of positive integers such that $xy = 1587600$. Define $n$ to be the minimum value of $x + y$ as $(x, y)$ ranges over $S$. Let $\sigma$ be the sum of all positive divisors of $n$. Find the remainder when $\sigma$ is divided by 11117.
9,360
graphs = [ Graph( let={ "n": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Mul(Var("x"), Var("y")), Const(1587600)))), expr=Sum(Var("x"), Var("y")))), "M": Const(1111...
NT
null
COMPUTE
sympy
B3
[ "B3" ]
0cd20d
nt_sum_divisors_mod_v1
null
6
0
[ "B3" ]
1
0.001
2026-02-08T06:34:30.072775Z
{ "verified": true, "answer": 9360, "timestamp": "2026-02-08T06:34:30.074062Z" }
4ed71b
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": 2024 }, "timestamp": "2026-02-13T02:14:16.710Z", "answer": 9360 }, {...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "K5", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "V7", "status": "no" } ]
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
3aa9e2
sequence_lucas_compute_v1_601307018_4671
Let $n$ be the number of ordered pairs $(a, b)$ of positive integers with $1 \le a, b \le 40$ satisfying $$ 17b^4 + 68a^3b + 17a^4 + 68ab^3 + 102a^2b^2 = 3306177. $$ Let $M = L_n$, where $L_n$ denotes the $n$-th Lucas number. Find the remainder when $44121 \cdot M$ is divided by $59263$.
57,724
graphs = [ Graph( let={ "_n": Const(44121), "n": 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)), Eq(Sum(Mul(Const(17), Pow(Var("b"), Const(4))),...
ALG
null
COMPUTE
sympy
POLY4_COUNT
[ "POLY4_COUNT" ]
861d91
sequence_lucas_compute_v1
null
7
0
[ "POLY4_COUNT" ]
1
0.003
2026-03-10T05:20:45.696514Z
{ "verified": true, "answer": 57724, "timestamp": "2026-03-10T05:20:45.699188Z" }
adc774
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 226, "completion_tokens": 1699 }, "timestamp": "2026-03-29T13:02:11.673Z", "answer": 57724 }, { "...
1
[ { "lemma": "POLY4_COUNT", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": -3.34, "mid": 0.9, "hi": 4.9 }
dc5b34_n
alg_sum_ap_v1_1218484723_2660
A secret code uses the largest prime number between 2 and 16, denoted $R$. The system generates a sequence of values $5k + R$ for $k = 0$ to $187$, and sums them. This sum is then divided by the number of integers from 1 to the largest prime $\le 7331$ that satisfy the condition: each such integer leaves the same remai...
2,386
ALG
null
COMPUTE
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW/L3C" ]
16ce8a
alg_sum_ap_v1
null
4
null
[ "L3C", "MAX_PRIME_BELOW" ]
2
0.006
2026-02-25T04:24:01.046485Z
null
5fdd90
dc5b34
narrative
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 211, "completion_tokens": 11857 }, "timestamp": "2026-03-30T18:48:32.876Z", "answer": 2386 }, { "...
1
[ { "lemma": "L3C", "status": "ok_later" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "V3", "status": "no" }, { "lemma": "V5", "status": "no" }, { ...
{ "lo": -5.37, "mid": 0.23, "hi": 5.22 }
53d03e
sequence_count_fib_divisible_v1_1440796553_103
Let $d = 8$ and $\text{upper} = 874$. Compute the number of positive integers $n$ such that $1 \leq n \leq 874$ and $8$ divides the $n$-th Fibonacci number.
145
graphs = [ Graph( let={ "upper": Const(874), "d": Const(8), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("upper")), Divides(divisor=Ref("d"), dividend=Fibonacci(arg=Var(name='n')))))), }, go...
NT
null
COUNT
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR", "LIN_FORM" ]
41af5a
sequence_count_fib_divisible_v1
null
5
0
[ "LIN_FORM", "MIN_PRIME_FACTOR" ]
2
0.074
2026-02-08T11:35:02.054741Z
{ "verified": true, "answer": 145, "timestamp": "2026-02-08T11:35:02.128305Z" }
acd8e8
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": 1796 }, "timestamp": "2026-02-14T15:55:27.467Z", "answer": 145 }, { ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemm...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
db9741
comb_count_surjections_v1_784195855_9229
Let $n$ be the number of integers $t$ with $7 \leq t \leq 20$ for which there exist positive integers $a$ and $b$, with $1 \leq a \leq 2$ and $1 \leq b \leq 5$, such that $$ t = 5a + 2b. $$ Let $k$ be the number of ordered pairs $(x_1, x_2)$ of positive odd integers such that $x_1 + x_2 = n$. Compute $$ k! \cdot S(6, k...
1,800
graphs = [ Graph( let={ "_n": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=2)), Geq(left=Var(name='b'), right=Const(value=...
COMB
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM/COMB1" ]
268a62
comb_count_surjections_v1
null
6
0
[ "COMB1", "LIN_FORM" ]
2
0.002
2026-02-08T16:39:10.737023Z
{ "verified": true, "answer": 1800, "timestamp": "2026-02-08T16:39:10.739369Z" }
13eeb8
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 187, "completion_tokens": 1083 }, "timestamp": "2026-02-17T09:21:00.226Z", "answer": 1800 }, {...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COMB1", "status": "ok_later" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "LIN_FORM", ...
{ "lo": -4.1, "mid": -1.76, "hi": 1.32 }
cbdd76
nt_num_divisors_compute_v1_1918700295_1180
Let $n = 65025$. Compute the number of positive divisors of $n$.
27
graphs = [ Graph( let={ "n": Const(65025), "result": NumDivisors(n=Ref("n")), }, goal=Ref("result"), ) ]
NT
null
COMPUTE
sympy
ONE_PHI_2
[ "LIN_FORM" ]
7b2633
nt_num_divisors_compute_v1
null
3
0
[ "LIN_FORM", "ONE_PHI_2" ]
2
0.064
2026-02-08T05:37:59.213298Z
{ "verified": true, "answer": 27, "timestamp": "2026-02-08T05:37:59.277591Z" }
d42717
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 77, "completion_tokens": 253 }, "timestamp": "2026-02-11T23:01:51.734Z", "answer": 75 }, { "id": 11, ...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "VAL_SUM_EQ", "s...
{ "lo": -7.01, "mid": -4.68, "hi": -2.15 }
bb298c_l
comb_factorial_compute_v1_168721529_1835
Let $n = 7$. Let $f = n!$. Let $P$ be the set of all ordered pairs $(x, y)$ of positive integers such that $x + y = 146$. Let $g$ be the maximum value of $xy$ over all pairs $(x, y) \in P$. Compute the value of $$ \sum_{i=0}^{d-1} \left( \text{the } i\text{-th digit of } f \right) \cdot (i+1)^2 + g, $$ where $d$ is the...
5,370
ALG
COMB
COMPUTE
sympy
B1
[ "B1" ]
51a773
comb_factorial_compute_v1
digits_weighted_mod
5
0
[ "B1" ]
1
0.004
2026-02-08T13:57:05.438694Z
{ "verified": false, "answer": 5425, "timestamp": "2026-02-08T13:57:05.442319Z" }
c95eeb
bb298c
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": 243, "completion_tokens": 5260 }, "timestamp": "2026-02-24T19:23:14.711Z", "answer": 5425 }, { "i...
1
[ { "lemma": "B1", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": 1.15, "mid": 4.18, "hi": 6.61 }
af3e83
alg_poly3_sum_v1_1218484723_84
Let $T$ be the number of integers $t$ in the range $[7, 231]$ that can be written as $t = 3a + 4b$ for some integers $a, b$ with $1 \leq a \leq 41$, $1 \leq b \leq 27$. Compute the remainder when $$ \sum_{\substack{1 \leq a \leq 185 \\ 1 \leq b \leq 185}} \left( 61b^3 - 93a^2b + 28a^3 + T \cdot a b^2 \right) $$ is divi...
13,007
graphs = [ Graph( let={ "_n": Const(3), "result": Mod(value=SumOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), Const(185)), Geq(Var("b"), Const(1)), Leq(Var("b"), Const(185)))), expr=Sum(Mul(Const(...
ALG
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
alg_poly3_sum_v1
null
5
0
[ "LIN_FORM" ]
1
0.07
2026-02-25T01:47:22.925886Z
{ "verified": true, "answer": 13007, "timestamp": "2026-02-25T01:47:22.995482Z" }
c38f60
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 260, "completion_tokens": 9359 }, "timestamp": "2026-03-10T08:03:49.553Z", "answer": 610 }, { ...
1
[ { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": 4.77, "mid": 6.8, "hi": 9.83 }
642a5c
antilemma_sum_equals_v1_1918700295_1573
Let $S$ be the set of all ordered pairs $(i,j)$ of positive integers such that $i + j = 41$, where $1 \le i \le 40$ and $1 \le j \le 40$. Let $x$ be the number of elements in $S$. Compute the remainder when $27 - x$ is divided by $94370$.
94,357
graphs = [ Graph( let={ "x": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=Eq(Sum(Var("i"), Var("j")), Const(41)), domain=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(40)), right=IntegerRange(start=Const(1), end=Const(40))))), "_c":...
COMB
GEOM
COMPUTE
sympy
COUNT_SUM_EQUALS
[ "COUNT_SUM_EQUALS" ]
75ab0f
antilemma_sum_equals_v1
null
2
0
[ "COUNT_SUM_EQUALS" ]
1
0.02
2026-02-08T05:53:14.491543Z
{ "verified": true, "answer": 94357, "timestamp": "2026-02-08T05:53:14.511253Z" }
76cf2d
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 189, "completion_tokens": 558 }, "timestamp": "2026-02-24T04:42:59.735Z", "answer": 94357 }, { "i...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8_SUM", "stat...
{ "lo": -9.23, "mid": -6.18, "hi": -4.06 }
d44c2c
sequence_fibonacci_compute_v1_601307018_7196
Let $n$ be the number of ordered pairs $(a, b)$ of positive integers with $1 \le a, b \le 40$ satisfying $10ab + 5a^2 + 5b^2 = 17405$. Let $M = F_n$, where $F_n$ is the $n$-th Fibonacci number. Find the remainder when $44121 \cdot M$ is divided by $94142$.
48,431
graphs = [ Graph( let={ "_n": Const(44121), "n": 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)), Eq(Sum(Mul(Const(10), Var("a"), Var("b")), Mul(...
ALG
null
COMPUTE
sympy
QF_PSD_COUNT
[ "QF_PSD_COUNT" ]
09ce67
sequence_fibonacci_compute_v1
null
4
0
[ "QF_PSD_COUNT" ]
1
0.003
2026-03-10T07:46:50.419638Z
{ "verified": true, "answer": 48431, "timestamp": "2026-03-10T07:46:50.422652Z" }
6a11f0
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 203, "completion_tokens": 1717 }, "timestamp": "2026-04-19T06:10:15.832Z", "answer": 48431 }, { ...
1
[ { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "QF_PSD_COUNT", "status": "ok" } ]
{ "lo": -5.34, "mid": 1.1, "hi": 7.53 }
c8d2c1
diophantine_fbi2_count_v1_865884756_669
Let $k$ be the minimum value of $x + y$ over all ordered pairs of positive integers $(x, y)$ such that $xy = 8100$. Let $S$ be the set of all integers $d$ satisfying $2 \leq d \leq 61$, $d$ divides $k$, $\frac{k}{d} \geq 2$, and $\frac{k}{d} \leq \max T$, where $T$ is the set of all prime numbers $n$ such that $2 \leq ...
55,064
graphs = [ Graph( let={ "_m": Const(61), "_n": Const(44121), "k": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Mul(Var("x"), Var("y")), Const(8100)))), e...
NT
null
COUNT
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW", "B3" ]
78ed98
diophantine_fbi2_count_v1
null
5
0
[ "B3", "MAX_PRIME_BELOW" ]
2
0.009
2026-02-08T15:33:11.653306Z
{ "verified": true, "answer": 55064, "timestamp": "2026-02-08T15:33:11.662407Z" }
cfe3b1
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": 1308 }, "timestamp": "2026-02-16T08:41:15.387Z", "answer": 55064 }, ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "V1", "status": "no" }, ...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
8b36cb
nt_sum_gcd_range_mod_v1_1978505735_6625
Let $k$ be the number of positive integers $k_1$ such that $1 \le k_1 \le 7826$ and $43$ divides $k_1$. Let $N$ be the maximum value of $xy$ over all ordered pairs $(x, y)$ of positive integers such that $x + y = k$. Let $S = \sum_{n=1}^{N} \gcd(n, 120)$. Find the remainder when $S$ is divided by $11831$.
2,946
graphs = [ Graph( let={ "N": MaxOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Sum(Var("x"), Var("y")), CountOverSet(set=SolutionsSet(var=Var("k1"), condition=And(Geq(Var("k1"), Cons...
NT
null
COMPUTE
sympy
C2
[ "C2/B1" ]
a0cd95
nt_sum_gcd_range_mod_v1
null
5
0
[ "B1", "C2" ]
2
0.366
2026-02-08T19:43:09.306563Z
{ "verified": true, "answer": 2946, "timestamp": "2026-02-08T19:43:09.672654Z" }
845b98
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 154, "completion_tokens": 2962 }, "timestamp": "2026-02-18T23:23:20.667Z", "answer": 2946 }, {...
1
[ { "lemma": "B1", "status": "ok_later" }, { "lemma": "C2", "status": "ok" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
1c0a0c
geo_count_lattice_rect_v1_151522320_2492
Let $a = 32$ and $b = 50$. Let $N$ be the number of lattice points in the rectangle $[0, a] \times [0, b]$. Compute the Bell number $B_k$, where $k$ is the remainder when $|N|$ is divided by $11$.
1
graphs = [ Graph( let={ "a": Const(32), "b": Const(50), "result": LatticePointsRect(a=Ref(name='a'), b=Ref(name='b')), "Q": Bell(Mod(value=Abs(arg=Ref(name='result')), modulus=Const(11))), }, goal=Ref("Q"), ) ]
GEOM
COMB
COUNT
sympy
[]
geo_count_lattice_rect_v1
null
4
0
null
null
0.004
2026-02-08T04:50:32.074088Z
{ "verified": true, "answer": 1, "timestamp": "2026-02-08T04:50:32.077834Z" }
29b275
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 178, "completion_tokens": 587 }, "timestamp": "2026-02-24T01:55:38.769Z", "answer": 1 }, { "id": ...
2
[]
{ "lo": -9.23, "mid": -6.18, "hi": -4.06 }
97ecf3
diophantine_fbi2_count_v1_1978505735_455
Let $m = 5476$. Let $S$ be the set of all ordered pairs $(x, y)$ of positive integers such that $xy = m$. Define $T$ as the set of all values $x + y$ where $(x, y) \in S$, and let $n_{\min}$ be the minimum element of $T$. Let $k = 480$. Determine the number of positive integers $d$ satisfying the following conditions: ...
17
graphs = [ Graph( let={ "_m": Const(5476), "_n": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Mul(Var("x"), Var("y")), Ref("_m")))), expr=Sum(Var("x"), Var("y")))), ...
NT
null
COUNT
sympy
COUNT_FIB_DIVISIBLE
[ "B3/K2" ]
9f3175
diophantine_fbi2_count_v1
null
5
0
[ "B3", "COUNT_FIB_DIVISIBLE", "K2" ]
3
0.123
2026-02-08T15:23:32.897628Z
{ "verified": true, "answer": 17, "timestamp": "2026-02-08T15:23:33.020731Z" }
e7f9c3
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 234, "completion_tokens": 1729 }, "timestamp": "2026-02-16T05:37:22.303Z", "answer": 17 }, { ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "K2", "status": "ok_later" }, { "lemma": "L3c", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
8ad8b4
nt_count_gcd_equals_v1_1520064083_9348
Let $n$ be a positive integer such that $1 \leq n \leq 34225$. Let $k$ be the sum of $\phi(d)$ over all positive divisors $d$ of $365$, where $\phi$ denotes Euler's totient function. Determine the number of such integers $n$ for which $\gcd(n, k) = 5$. Let this number be $r$. Compute the remainder when $39730 \cdot r$ ...
64,808
graphs = [ Graph( let={ "upper": Const(34225), "k": SumOverDivisors(n=Const(value=365), var='d', expr=EulerPhi(n=Var(name='d'))), "d": Const(5), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("upp...
NT
null
COUNT
sympy
K3
[ "K3" ]
54c41e
nt_count_gcd_equals_v1
null
4
0
[ "K3" ]
1
9.23
2026-02-08T10:41:47.391823Z
{ "verified": true, "answer": 64808, "timestamp": "2026-02-08T10:41:56.621695Z" }
f46610
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 147, "completion_tokens": 1310 }, "timestamp": "2026-02-14T08:08:16.609Z", "answer": 64808 }, ...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "K3", "status": "ok" }, { "lemma": "K5", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" } ]
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
5bdbc9
sequence_count_fib_divisible_v1_655260480_1165
Let $n = 2$. Define $d = 15$ and let $u$ be the smallest divisor of $295927$ that is at least $n$. Compute the number of positive integers $k$ such that $1 \leq k \leq u$ and $d$ divides the $k$-th Fibonacci number. Find the value of this count.
27
graphs = [ Graph( let={ "_n": Const(2), "upper": MinOverSet(set=SolutionsSet(var=Var("d1"), condition=And(Geq(Var("d1"), Ref("_n")), Divides(divisor=Var("d1"), dividend=Const(295927))))), "d": Const(15), "result": CountOverSet(set=SolutionsSet(var=Var("n"), co...
NT
null
COUNT
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR" ]
bc3776
sequence_count_fib_divisible_v1
null
4
0
[ "MIN_PRIME_FACTOR" ]
1
0.033
2026-02-08T15:56:02.142500Z
{ "verified": true, "answer": 27, "timestamp": "2026-02-08T15:56:02.175011Z" }
ef0c0d
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": 1662 }, "timestamp": "2026-02-16T17:08:42.871Z", "answer": 27 }, { ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "V8", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
6e2dc0
comb_count_derangements_v1_1978505735_406
Let $m = 15$. Define $S$ as the set of all positive integers $n_1$ such that $1 \leq n_1 \leq 128$, $8$ divides $n_1$, and $\gcd(n_1, m) = 1$. Let $n$ be the largest prime number in the set $\{2, 3, \dots, |S|\}$. Compute $!n$, the number of derangements of $n$ elements.
1,854
graphs = [ Graph( let={ "_m": Const(15), "_n": CountOverSet(set=SolutionsSet(var=Var("n1"), condition=And(Geq(Var("n1"), Const(1)), Leq(Var("n1"), Const(128)), Divides(divisor=Const(8), dividend=Var("n1")), Eq(GCD(a=Var("n1"), b=Ref("_m")), Const(1))))), "n": MaxOverSet(s...
NT
COMB
COUNT
sympy
C5
[ "C5/MAX_PRIME_BELOW" ]
e03314
comb_count_derangements_v1
null
4
0
[ "C5", "MAX_PRIME_BELOW" ]
2
0.002
2026-02-08T15:22:08.409055Z
{ "verified": true, "answer": 1854, "timestamp": "2026-02-08T15:22:08.410699Z" }
4f63f2
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 148, "completion_tokens": 1328 }, "timestamp": "2026-02-16T04:35:21.345Z", "answer": 1854 }, {...
1
[ { "lemma": "C5", "status": "ok" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok_later" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" ...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
0487dc
alg_qf_psd_count_v1_601307018_2768
Find the number of ordered pairs $(a, b)$ of positive integers with $1 \le a, b \le 216$ such that $$9b^2 + 25a^2 - 18ab = 234000.$$
11
graphs = [ Graph( let={ "result": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), Const(216)), Geq(Var("b"), Const(1)), Leq(Var("b"), Const(216)), Eq(Sum(Mul(Const(9), Pow(Var("b"), Const(2))), Mul(Const(25), Pow(Var("a...
ALG
null
COUNT
sympy
QF_PSD_COUNT_LEQ
[ "QF_PSD_DISTINCT", "B3_CLOSEST" ]
fdd29c
alg_qf_psd_count_v1
null
5
null
[ "B3_CLOSEST", "QF_PSD_COUNT_LEQ", "QF_PSD_DISTINCT" ]
3
6.483
2026-03-10T03:25:10.903112Z
{ "verified": true, "answer": 11, "timestamp": "2026-03-10T03:25:17.386586Z" }
6e560a
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 159, "completion_tokens": 4515 }, "timestamp": "2026-03-29T06:26:53.141Z", "answer": 11 }, { "id"...
1
[ { "lemma": "B3_CLOSEST", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "QF_PSD_DISTINCT", "status": "ok" } ]
{ "lo": -2.46, "mid": 1.23, "hi": 4.93 }
639e10
comb_bell_compute_v1_784195855_2598
Let $n$ be the number of integers $t$ such that $24 \leq t \leq 34$ and there exist integers $a$ and $b$, each between 1 and 3 inclusive, satisfying $t = 2a + 3b + 19$. Compute the Bell number $B_n$, which counts the number of partitions of a set of $n$ elements.
21,147
graphs = [ Graph( let={ "n": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=3)), Geq(left=Var(name='b'), right=Const(value=1...
COMB
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
comb_bell_compute_v1
null
5
0
[ "LIN_FORM" ]
1
0.001
2026-02-08T05:54:07.090151Z
{ "verified": true, "answer": 21147, "timestamp": "2026-02-08T05:54:07.091196Z" }
4481b6
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 194, "completion_tokens": 936 }, "timestamp": "2026-02-24T04:47:18.517Z", "answer": 21147 }, { "i...
1
[ { "lemma": "COUNT_CARTESIAN", "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_SUM", "s...
{ "lo": -4.93, "mid": -2.91, "hi": -0.71 }
1cabef
nt_count_divisors_in_range_v1_349078426_1821
Let $n$ be the minimum value of $x + y$ over all ordered pairs $(x, y)$ of positive integers such that $xy = 129600$. Let $b$ be the minimum value of $x + y$ over all ordered pairs $(x, y)$ of positive integers such that $xy = 2209$. Compute the remainder when $60055$ times the number of positive divisors $d$ of $n$ sa...
44,461
graphs = [ Graph( let={ "_n": Const(60733), "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(129600)))), expr=Sum(Var("x"), Var("y"))...
NT
null
COUNT
sympy
B3
[ "B3" ]
0cd20d
nt_count_divisors_in_range_v1
null
6
0
[ "B3" ]
1
0.009
2026-02-08T13:56:57.824573Z
{ "verified": true, "answer": 44461, "timestamp": "2026-02-08T13:56:57.833867Z" }
2432af
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 155, "completion_tokens": 1861 }, "timestamp": "2026-02-15T22:40:42.292Z", "answer": 44461 }, ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" ...
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
bbb27d
comb_binomial_compute_v1_1125832087_1287
Let $n$ be the number of integers $t$ such that $8 \leq t \leq 30$ and there exist positive integers $a$ and $b$ with $1 \leq a \leq 5$, $1 \leq b \leq 3$, and $t = 3a + 5b$. Compute $\binom{n}{7}$.
6,435
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...
ALG
COMB
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
comb_binomial_compute_v1
null
4
0
[ "LIN_FORM" ]
1
0.001
2026-02-08T03:40:29.310766Z
{ "verified": true, "answer": 6435, "timestamp": "2026-02-08T03:40:29.311933Z" }
770137
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": 805 }, "timestamp": "2026-02-10T15:22:42.670Z", "answer": 6435 }, { "id...
1
[ { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": -4.92, "mid": -2.9, "hi": -0.7 }
1e48d4
nt_max_prime_below_v1_865884756_3425
Let $c$ be the number of positive integers $p_1$ for which there exists a positive integer $q$ such that $p_1 q = 630$, $\gcd(p_1, q) = 1$, and $p_1 < q$. Let $k$ be the number of positive integers $p$ for which there exists a positive integer $q$ such that $p q = 72$, $\gcd(p, q) = 1$, and $p < q$. Define $r$ to be th...
52,548
graphs = [ Graph( let={ "_n": Const(75023), "upper": Const(22500), "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=...
NT
null
EXTREMUM
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS" ]
c90628
nt_max_prime_below_v1
negation_mod
6
0
[ "COPRIME_PAIRS" ]
1
1.738
2026-02-08T17:22:28.869900Z
{ "verified": true, "answer": 52548, "timestamp": "2026-02-08T17:22:30.608341Z" }
83d9f7
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 193, "completion_tokens": 6449 }, "timestamp": "2026-02-18T02:22:01.165Z", "answer": 52548 }, ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "MOD_...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
09b24e
algebra_quadratic_discriminant_v1_1742523217_5427
Let $a = -1$ and $c = -8$. Let $S$ be the set of all ordered pairs $(x, y)$ of positive integers such that $x \cdot y = 9$. Define $b$ to be the minimum value of $x + y$ as $(x, y)$ ranges over $S$. Compute the value of $b^2 - 4ac$, and let this value be $r$. Find the remainder when $44121 \cdot r$ is divided by $77978...
20,528
graphs = [ Graph( let={ "_n": Const(9), "a": Const(-1), "b": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Mul(Var("x"), Var("y")), Ref("_n")))), expr=Sum...
NT
null
COMPUTE
sympy
B3
[ "B3" ]
0cd20d
algebra_quadratic_discriminant_v1
null
3
0
[ "B3" ]
1
0.001
2026-02-08T10:59:15.416319Z
{ "verified": true, "answer": 20528, "timestamp": "2026-02-08T10:59:15.417686Z" }
102c24
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 156, "completion_tokens": 530 }, "timestamp": "2026-02-14T09:46:07.173Z", "answer": 20528 }, {...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" ...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
872b91
lin_form_endings_v1_784195855_1852
Let $a = 14$ and $b = 49$. Define $g = \gcd(a, b)$, and let $a' = \left\lfloor \frac{a}{g} \right\rfloor$ and $b' = \left\lfloor \frac{b}{g} \right\rfloor$. Let $A = 49$ and $B = 9$. Define $$ T = a' \cdot A + b' \cdot B - a' \cdot b'. $$ Now define $$ S = a \cdot A + b \cdot B - a - b + 1. $$ Let $k = 19425$ and $M = ...
32,595
graphs = [ Graph( let={ "a_coeff": Const(14), "b_coeff": Const(49), "A_val": Const(49), "B_val": Const(9), "g_step": GCD(a=Ref("a_coeff"), b=Ref("b_coeff")), "ap_node": Floor(Div(Ref("a_coeff"), Ref("g_step"))), "bp_node": F...
COMB
NT
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
lin_form_endings_v1
null
5
null
[ "LIN_FORM" ]
1
0.002
2026-02-08T05:22:19.251286Z
{ "verified": true, "answer": 32595, "timestamp": "2026-02-08T05:22:19.252793Z" }
193a41
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": 958 }, "timestamp": "2026-02-12T06:53:52.563Z", "answer": 32595 }, {...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V8", "sta...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
53bc7d
antilemma_v8_lucas_677425708_1132
Compute the number of integers $j$ with $0 \leq j \leq 95997$ such that the remainder when $\binom{95997}{j}$ is divided by $2$ is equal to $\phi(2)$, where $\phi$ denotes Euler's totient function. Determine the value of this number.
8,192
graphs = [ Graph( let={ "_n": Const(95997), "x": CountOverSet(set=SolutionsSet(var=Var("j"), condition=And(Geq(Var("j"), Const(0)), Leq(Var("j"), Ref("_n")), Eq(Mod(value=Binom(n=Const(95997), k=Var("j")), modulus=Const(2)), EulerPhi(n=Const(2)))), domain='nonnegative_integers')), ...
NT
COMB
COMPUTE
sympy
ONE_PHI_2
[ "ONE_PHI_2", "V8" ]
299d97
antilemma_v8_lucas
null
6
0
[ "ONE_PHI_2", "V8" ]
2
0.002
2026-02-08T04:00:35.049303Z
{ "verified": true, "answer": 8192, "timestamp": "2026-02-08T04:00:35.051164Z" }
19bb93
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 179, "completion_tokens": 916 }, "timestamp": "2026-02-09T16:03:58.744Z", "answer": 8192 }, { "id...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "ONE_PHI_2", ...
{ "lo": -6.5, "mid": -0.2, "hi": 6.11 }
fe08b7
nt_count_digit_sum_v1_971394319_346
Let $S$ be the set of all integers $t$ such that $25 \leq t \leq 52$ and there exist positive integers $a \leq 10$ and $b \leq 4$ satisfying $t = 2a + 3b + 20$. Let $\sigma$ be the number of elements in $S$. Determine the number of positive integers $n \leq 99999$ such that the sum of the decimal digits of $n$ is equal...
5,280
graphs = [ Graph( let={ "upper": Const(99999), "target_sum": 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))...
NT
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
nt_count_digit_sum_v1
null
4
0
[ "LIN_FORM" ]
1
3.926
2026-02-08T13:02:31.060518Z
{ "verified": true, "answer": 5280, "timestamp": "2026-02-08T13:02:34.986215Z" }
5b9c01
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 159, "completion_tokens": 3097 }, "timestamp": "2026-02-15T08:51:02.282Z", "answer": 5280 }, {...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V3", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
d651f5
nt_sum_divisors_mod_v1_1439011603_236
Let $n$ be the number of positive integers $n_1$ such that $1 \leq n_1 \leq 75600$ and $11$ divides the $n_1$-th Fibonacci number. Let $\sigma$ be the sum of all positive divisors of $n$. Compute the remainder when $\sigma$ is divided by 10039.
8,722
graphs = [ Graph( let={ "_n": Const(75600), "n": CountOverSet(set=SolutionsSet(var=Var("n1"), condition=And(Geq(Var("n1"), Const(1)), Leq(Var("n1"), Ref("_n")), Divides(divisor=Const(11), dividend=Fibonacci(arg=Var(name='n1')))))), "M": Const(10039), "sigma": ...
NT
null
COMPUTE
sympy
COUNT_FIB_DIVISIBLE
[ "COUNT_FIB_DIVISIBLE" ]
66de3c
nt_sum_divisors_mod_v1
null
5
0
[ "COUNT_FIB_DIVISIBLE" ]
1
0.002
2026-02-08T15:22:13.066839Z
{ "verified": true, "answer": 8722, "timestamp": "2026-02-08T15:22:13.068549Z" }
e9eab4
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 121, "completion_tokens": 1263 }, "timestamp": "2026-02-16T05:14:39.545Z", "answer": 8722 }, {...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "ok" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
ba19a7
alg_telescope_v1_1419126231_346
Find the remainder when $\sum_{k=0}^{\min\{ x + y : x > 0,\, y > 0,\, xy = 724201 \}} (4k^3 + 6k^2 + 4k + 1)$ is divided by $3618$.
3,013
graphs = [ Graph( let={ "_n": Const(3), "result": Mod(value=Summation(var="k", start=Const(0), end=MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Mul(Var("x"), Var("y"...
ALG
null
COMPUTE
sympy
B3
[ "B3" ]
0cd20d
alg_telescope_v1
null
4
0
[ "B3" ]
1
0.138
2026-02-25T09:51:30.007845Z
{ "verified": true, "answer": 3013, "timestamp": "2026-02-25T09:51:30.146126Z" }
1dc107
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 174, "completion_tokens": 12823 }, "timestamp": "2026-03-30T08:09:36.087Z", "answer": 3013 }, { "...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": -5.37, "mid": 0.23, "hi": 5.22 }
98a5c9
alg_poly4_count_v1_1419126231_91
Let $ S $ be the set of integers $ v $ such that $ 25 \leq v \leq 3025 $ and there exist integers $ a, b \in [1,11] $ satisfying $ 20a^2 + 5b^2 = v $. Let $ A = |S| $. Find the number of ordered pairs $ (a, b) $ with $ 1 \leq a \leq A $, $ 1 \leq b \leq 102 $, and $ 82a^4 = 5874422272 $.
102
graphs = [ Graph( let={ "_n": Const(3025), "result": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), CountOverSet(set=SolutionsSet(var=Var("v"), condition=And(Geq(Var("v"), Const(25)), Leq(Var("v"), Ref("_n"...
ALG
null
COUNT
sympy
QF_PSD_DISTINCT
[ "QF_PSD_DISTINCT" ]
a8f9cb
alg_poly4_count_v1
null
5
0
[ "QF_PSD_DISTINCT" ]
1
9.035
2026-02-25T09:37:54.021495Z
{ "verified": true, "answer": 102, "timestamp": "2026-02-25T09:38:03.056962Z" }
bae237
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 231, "completion_tokens": 3447 }, "timestamp": "2026-03-30T06:57:01.958Z", "answer": 102 }, { "id...
1
[ { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "QF_PSD_DISTINCT", "status": "ok" } ]
{ "lo": -5.37, "mid": 0.23, "hi": 5.22 }
f0df3f
nt_count_divisible_and_v1_2051736721_3227
Let $d_1 = \sum_{k=1}^{3} \phi(k) \left\lfloor \frac{3}{k} \right\rfloor$, where $\phi$ denotes Euler's totient function, and let $d_2 = 9$. Let $N$ be the number of positive integers $n$ such that $1 \leq n \leq 7722$, $n$ is divisible by $d_1$, and $n$ is divisible by $d_2$. Find the value of $N$.
429
graphs = [ Graph( let={ "upper": Const(7722), "d1": Summation(var="k", start=Const(1), end=Const(3), expr=Mul(EulerPhi(n=Var("k")), Floor(Div(Const(3), Var("k"))))), "d2": Const(9), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n...
NT
null
COUNT
sympy
K2
[ "K2" ]
6897ab
nt_count_divisible_and_v1
null
3
0
[ "K2" ]
1
3.117
2026-02-08T17:12:06.080994Z
{ "verified": true, "answer": 429, "timestamp": "2026-02-08T17:12:09.198487Z" }
eb5710
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 176, "completion_tokens": 466 }, "timestamp": "2026-02-16T09:07:13.540Z", "answer": null }, { "id": 11,...
1
[ { "lemma": "K18", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "V3", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -8.26, "mid": -5.01, "hi": -1.76 }
211e10
comb_catalan_compute_v1_458359167_5237
Let $n$ be the number of integers $t$ with $21 \leq t \leq 60$ for which there exist positive integers $a$ and $b$ such that $1 \leq a \leq 5$, $1 \leq b \leq 2$, and $t = 6a + 15b$. Let $Q$ be the remainder when $\left( \text{the number of ordered pairs } (i,j) \text{ of positive integers such that } i+j = 42,\ 1 \leq...
70,796
graphs = [ Graph( let={ "_n": Const(87551), "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=Va...
COMB
null
COMPUTE
sympy
COUNT_SUM_EQUALS
[ "COUNT_SUM_EQUALS", "LIN_FORM" ]
afd3ec
comb_catalan_compute_v1
negation_mod
6
0
[ "COUNT_SUM_EQUALS", "LIN_FORM" ]
2
0.01
2026-02-08T12:21:05.541947Z
{ "verified": true, "answer": 70796, "timestamp": "2026-02-08T12:21:05.552433Z" }
4486c4
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 284, "completion_tokens": 914 }, "timestamp": "2026-02-24T15:37:29.334Z", "answer": 70796 }, { "i...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V8", "statu...
{ "lo": -3.84, "mid": -1.67, "hi": 1.32 }
bdc2d9
antilemma_k2_v1_124444284_2601
Let $x = \sum_{k=1}^{181} \phi(k) \left\lfloor \frac{181}{k} \right\rfloor$, where $\phi(k)$ denotes Euler's totient function. Let $Q$ be the smallest positive integer $m$ such that the $m$th Fibonacci number is divisible by $|x| + 2$. Compute $Q$.
612
graphs = [ Graph( let={ "x": Summation(var="k", start=Const(1), end=Const(181), expr=Mul(EulerPhi(n=Var("k")), Floor(Div(Const(181), Var("k"))))), "Q": FibonacciEntryPoint(modulus=Sum(Abs(arg=Ref(name='x')), Const(value=2))), }, goal=Ref("Q"), ) ]
NT
COMB
COMPUTE
sympy
K2
[ "K2" ]
6897ab
antilemma_k2_v1
null
6
0
[ "K2" ]
1
0.001
2026-02-08T04:50:14.970072Z
{ "verified": true, "answer": 612, "timestamp": "2026-02-08T04:50:14.970594Z" }
7278ae
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 193, "completion_tokens": 3087 }, "timestamp": "2026-02-11T22:17:04.697Z", "answer": 612 }, { "i...
1
[ { "lemma": "K16", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -3.42, "mid": 1.86, "hi": 7.55 }
f28f27
nt_count_divisors_in_range_v1_1353956133_252
Let $n = 221760$. Compute the number of positive divisors $d$ of $n$ such that $15 \leq d \leq 1588$.
103
graphs = [ Graph( let={ "n": Const(221760), "a": Const(15), "b": Const(1588), "result": CountOverSet(set=SolutionsSet(var=Var("d"), condition=And(Divides(divisor=Var("d"), dividend=Ref("n")), Geq(Var("d"), Ref("a")), Leq(Var("d"), Ref("b"))))), }, ...
NT
null
COUNT
sympy
B3
[ "LIN_FORM" ]
7b2633
nt_count_divisors_in_range_v1
null
3
0
[ "B3", "LIN_FORM" ]
2
0.976
2026-02-08T11:21:32.764977Z
{ "verified": true, "answer": 103, "timestamp": "2026-02-08T11:21:33.740572Z" }
ab707b
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": 4029 }, "timestamp": "2026-02-14T13:18:08.325Z", "answer": 103 }, { ...
1
[ { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no"...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
996c5f
antilemma_k2_v1_397696148_2053
Compute the value of $$ \sum_{k=1}^{125} \phi(k) \left\lfloor \frac{1}{k} \sum_{d \mid 125} \phi(d) \right\rfloor, $$ where $\phi(n)$ denotes Euler's totient function and the inner sum is over all positive divisors $d$ of $125$.
7,875
graphs = [ Graph( let={ "_n": Const(125), "x": Summation(var="k", start=Const(1), end=Ref("_n"), expr=Mul(EulerPhi(n=Var("k")), Floor(Div(SumOverDivisors(n=Const(value=125), var='d', expr=EulerPhi(n=Var(name='d'))), Var("k"))))), }, goal=Ref("x"), ) ]
NT
COMB
COMPUTE
sympy
K13
[ "K3/K2", "K2" ]
c7f244
antilemma_k2_v1
null
7
0
[ "K13", "K2", "K3" ]
3
0.004
2026-02-08T12:55:48.903269Z
{ "verified": true, "answer": 7875, "timestamp": "2026-02-08T12:55:48.907233Z" }
714172
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 121, "completion_tokens": 859 }, "timestamp": "2026-02-15T07:37:20.024Z", "answer": 7875 }, { ...
1
[ { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "K3", "status": "ok" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, ...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
07bce8
geo_count_lattice_rect_v1_655260480_1586
Compute the number of lattice points in the rectangle defined by $0 \leq x \leq 47$ and $0 \leq y \leq 41$.
2,016
graphs = [ Graph( let={ "a": Const(47), "b": Const(41), "result": LatticePointsRect(a=Ref(name='a'), b=Ref(name='b')), "Q": Abs(arg=Ref(name='result')), }, goal=Ref("Q"), ) ]
GEOM
null
COUNT
sympy
[]
geo_count_lattice_rect_v1
null
2
0
null
null
0.003
2026-02-08T16:13:48.793142Z
{ "verified": true, "answer": 2016, "timestamp": "2026-02-08T16:13:48.796114Z" }
eb9122
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 146, "completion_tokens": 188 }, "timestamp": "2026-02-24T20:22:36.250Z", "answer": 2016 }, { "i...
1
[]
{ "lo": -8.52, "mid": -5.43, "hi": -3.2 }