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583576
diophantine_product_count_v1_1978505735_4011
Let $k = 180$. Let $u$ be the number of integers $t$ such that $30 \leq t \leq 198$ and there exist integers $a$ and $b$ with $1 \leq a \leq 3$, $1 \leq b \leq 15$, and $t = 21a + 9b$. Let $r$ be the number of positive integers $x$ such that $1 \leq x \leq u$, $x$ divides $k$, and $\frac{k}{x} \leq u$. Compute $r$.
12
graphs = [ Graph( let={ "k": Const(180), "upper": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=3)), Geq(left=V...
NT
null
COUNT
sympy
B3
[ "LIN_FORM" ]
7b2633
diophantine_product_count_v1
null
5
0
[ "B3", "LIN_FORM" ]
2
0.032
2026-02-08T17:58:46.076753Z
{ "verified": true, "answer": 12, "timestamp": "2026-02-08T17:58:46.108998Z" }
185c99
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 168, "completion_tokens": 2275 }, "timestamp": "2026-02-18T10:40:37.967Z", "answer": 12 }, { ...
1
[ { "lemma": "K13", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
582721
modular_count_residue_v1_153355830_1003
Let $T$ be the set of all integers $t$ such that $5 \leq t \leq 26$ and there exist integers $a$ and $b$ satisfying $1 \leq a \leq 4$, $1 \leq b \leq 7$, and $t = 3a + 2b$. Let $m = |T|$. Let $A$ be the set of all integers $n$ such that $1 \leq n \leq 43264$ and $n \equiv 16 \pmod{m}$. Compute the remainder when $75379...
1,897
graphs = [ Graph( let={ "_n": Const(64064), "upper": Const(43264), "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'),...
NT
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
modular_count_residue_v1
null
4
0
[ "LIN_FORM" ]
1
1.604
2026-02-08T04:21:04.387260Z
{ "verified": true, "answer": 1897, "timestamp": "2026-02-08T04:21:05.991734Z" }
1af461
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 257, "completion_tokens": 2524 }, "timestamp": "2026-02-10T16:11:40.491Z", "answer": 1897 }, { "...
1
[ { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V3", "status": "no" } ]
{ "lo": -3.42, "mid": 1.86, "hi": 7.55 }
2ec347_l
modular_product_range_v1_1742523217_5260
Let $n$ be the minimum value of $x + y$ over all ordered pairs $(x, y)$ of positive integers such that $xy = 419904$. Define $P = \prod_{i=8}^{m} i$, where $m$ is the minimum value of $x + y$ over all ordered pairs $(x, y)$ of positive integers such that $xy = n$. Let $r = P \mod 11351$. Compute the Bell number $B_s$, ...
1
COMB
null
COMPUTE
sympy
LIN_FORM
[ "B3/B3" ]
8ffef9
modular_product_range_v1
null
7
0
[ "B3", "LIN_FORM" ]
2
0.027
2026-02-08T10:53:39.535153Z
{ "verified": false, "answer": 15, "timestamp": "2026-02-08T10:53:39.562551Z" }
1db05a
2ec347
legacy_text
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 1, "correct": { "strict": false, "boxed": false, "relaxed": true }, "usage": { "prompt_tokens": 224, "completion_tokens": 32768 }, "timestamp": "2026-02-24T12:29:27.813Z", "answer": 52 }, { "...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status":...
{ "lo": 1.15, "mid": 4.18, "hi": 6.61 }
909b4f
modular_mod_compute_v1_1125832087_1863
Let $m$ be the minimum value of $x + y$ over all ordered pairs $(x, y)$ of positive integers such that $xy = 19518724$. Find the remainder when $-20164$ is divided by $m$.
6,344
graphs = [ Graph( let={ "a": Const(-20164), "m": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Mul(Var("x"), Var("y")), Const(19518724)))), expr=Sum(Var("x"), Var("y"...
NT
null
COMPUTE
sympy
K13
[ "B3" ]
0cd20d
modular_mod_compute_v1
null
4
0
[ "B3", "K13" ]
2
0.093
2026-02-08T03:59:07.830007Z
{ "verified": true, "answer": 6344, "timestamp": "2026-02-08T03:59:07.923391Z" }
547d9f
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 161, "completion_tokens": 830 }, "timestamp": "2026-02-10T14:53:24.777Z", "answer": 6344 }, { "i...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "MOD_FACTORIAL", "statu...
{ "lo": -3.42, "mid": 1.86, "hi": 7.55 }
9794b7
sequence_fibonacci_compute_v1_151522320_1136
Let $S_1$ be the set of all ordered pairs $(x, y)$ of positive integers such that $xy = 1562500$. Define $m$ to be the minimum value of $x + y$ over all such pairs. Let $S_2$ be the set of all ordered pairs $(x, y)$ of positive integers such that $xy = m$. Define $n$ to be the minimum value of $x + y$ over all such pai...
6,765
graphs = [ Graph( let={ "_m": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Mul(Var("x"), Var("y")), Const(1562500)))), expr=Sum(Var("x"), Var("y")))), "_n": MinOverS...
NT
null
COMPUTE
sympy
B3
[ "B3/B3" ]
8ffef9
sequence_fibonacci_compute_v1
null
7
0
[ "B3" ]
1
0.002
2026-02-08T03:49:07.622792Z
{ "verified": true, "answer": 6765, "timestamp": "2026-02-08T03:49:07.625193Z" }
c440e5
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 267, "completion_tokens": 1783 }, "timestamp": "2026-02-10T15:49:57.707Z", "answer": 6765 }, { "i...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "DS2", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "V5", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -3.53, "mid": 1.02, "hi": 5.49 }
b8ad1a
nt_count_gcd_equals_v1_809748730_18
Let $k$ be the number of ordered pairs $(a,b)$ such that $a$ is an integer with $1 \leq a \leq 11$ and $b$ is an integer with $1 \leq b \leq 16$. Let $S$ be the set of all positive integers $n$ such that $1 \leq n \leq 10000$ and $\gcd(n, k) = 1$. Compute the remainder when $90431$ multiplied by the number of elements ...
43,143
graphs = [ Graph( let={ "_n": Const(55446), "upper": Const(10000), "k": CountOverSet(set=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(11)), right=IntegerRange(start=Const(1), end=Const(16)))), "d": Const(1), "result": CountOverSet(s...
NT
null
COUNT
sympy
COUNT_CARTESIAN
[ "COUNT_CARTESIAN" ]
409d7d
nt_count_gcd_equals_v1
null
4
0
[ "COUNT_CARTESIAN" ]
1
0.913
2026-02-08T11:17:29.550897Z
{ "verified": true, "answer": 43143, "timestamp": "2026-02-08T11:17:30.463861Z" }
0def2a
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 161, "completion_tokens": 2200 }, "timestamp": "2026-02-14T11:35:20.581Z", "answer": 43143 }, ...
1
[ { "lemma": "COUNT_CARTESIAN", "status": "ok" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "L3c", "status": "no" } ]
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
71e223
antilemma_sum_factor_cartesian_v1_677425708_1559
Let $S$ be the set of all ordered pairs $(i,j)$ of positive integers such that $1 \leq i \leq 15$ and $1 \leq j \leq 6$. Define $T$ to be the set of all products $i \cdot j$ where $(i,j) \in S$. Compute the sum of all elements in $T$.
2,520
graphs = [ Graph( let={ "x": SumOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=EulerPhi(n=Const(2)), domain=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(15)), right=IntegerRange(start=Const(1), end=Const(6)))), expr=Mul(Var("i"), Var("...
NT
null
COMPUTE
sympy
SUM_FACTOR_CARTESIAN
[ "SUM_FACTOR_CARTESIAN", "ONE_PHI_2" ]
09bd3b
antilemma_sum_factor_cartesian_v1
null
2
0
[ "ONE_PHI_2", "SUM_FACTOR_CARTESIAN" ]
2
0.001
2026-02-08T04:16:45.786595Z
{ "verified": true, "answer": 2520, "timestamp": "2026-02-08T04:16:45.787365Z" }
8c337f
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 192, "completion_tokens": 6204 }, "timestamp": "2026-02-09T21:30:49.172Z", "answer": 1698 }, { ...
1
[ { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "ONE_PHI_2", "status": "ok" }, { "lemma": "SUM_FACTOR_CARTESIAN",...
{ "lo": -6.5, "mid": -0.2, "hi": 6.11 }
f5e079
geo_count_lattice_rect_v1_48377204_1464
Compute the number of lattice points $(x, y)$ such that $0 \leq x \leq 121$ and $0 \leq y \leq 129$.
15,860
graphs = [ Graph( let={ "a": Const(121), "b": Const(129), "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
0.003
2026-02-08T16:05:57.862125Z
{ "verified": true, "answer": 15860, "timestamp": "2026-02-08T16:05:57.864915Z" }
9dabe0
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 148, "completion_tokens": 201 }, "timestamp": "2026-02-24T19:53:12.092Z", "answer": 15860 }, { "...
1
[]
{ "lo": -8.52, "mid": -5.43, "hi": -3.2 }
ae368c
comb_factorial_compute_v1_1218484723_3224
Let $M$ be the number of ordered pairs $(a, b)$ of positive integers with $1 \leq a, b \leq 25$ such that $25b^2 + 10a^2 - 18ab \leq 3332$. Let $n$ be the number of integers $j$ with $0 \leq j \leq 265$ such that $\binom{M}{j}$ is odd. Compute $n!$.
40,320
graphs = [ Graph( let={ "_m": Const(3332), "_n": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), Const(25)), Geq(Var("b"), Const(1)), Leq(Var("b"), Const(25)), Leq(Sum(Mul(Const(25), Pow(Var("b"), Const(2)))...
COMB
null
COMPUTE
sympy
QF_PSD_COUNT_LEQ
[ "QF_PSD_COUNT_LEQ/V8" ]
4709b3
comb_factorial_compute_v1
null
6
0
[ "QF_PSD_COUNT_LEQ", "V8" ]
2
0.004
2026-02-25T04:54:55.941194Z
{ "verified": true, "answer": 40320, "timestamp": "2026-02-25T04:54:55.945558Z" }
099e44
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 210, "completion_tokens": 32768 }, "timestamp": "2026-03-29T09:05:03.402Z", "answer": null }, { ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "QF_PSD_COUNT_LEQ", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "...
{ "lo": 1.55, "mid": 4.7, "hi": 7.23 }
23fbad
diophantine_fbi2_count_v1_1125832087_56
Let $k$ be the number of ordered pairs $(x_1, x_2)$ of positive odd integers such that $x_1 + x_2 = 240$. Let $r$ be the number of integers $d$ satisfying $4 \leq d \leq 123$, such that $d$ divides $k$, and $5 \leq \frac{k}{d} \leq 124$. Let $m = r + 2$. Define $F_k$ to be the Fibonacci sequence with $F_1 = 1$, $F_2 = ...
10
graphs = [ Graph( let={ "k": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x1"), Var("x2")]), condition=And(IsPositive(arg=Var(name='x1')), IsPositive(arg=Var(name='x2')), IsOdd(arg=Var(name='x1')), IsOdd(arg=Var(name='x2')), Eq(Sum(Var("x1"), Var("x2")), Const(240))))), "re...
NT
null
COUNT
sympy
EULER_TOTIENT_SUM
[ "COMB1" ]
567f58
diophantine_fbi2_count_v1
null
4
0
[ "COMB1", "EULER_TOTIENT_SUM" ]
2
0.087
2026-02-08T02:51:09.375070Z
{ "verified": true, "answer": 10, "timestamp": "2026-02-08T02:51:09.461585Z" }
b3c7ef
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 294, "completion_tokens": 1638 }, "timestamp": "2026-02-10T11:41:04.450Z", "answer": 10 }, { "id"...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COMB1", "status": "ok" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" } ]
{ "lo": -3.06, "mid": -0.92, "hi": 1.06 }
b65b3a
comb_factorial_compute_v1_1419126231_532
Let $e = \sum_{k=0}^{3} (-1)^k \binom{3}{k}$, $a = 5 + e$, $R = a + 1$, $u = \sum_{k_2 = \binom{7}{0} - \binom{17}{17}}^{0} (-1)^{k_2} \binom{0}{k_2}$, $v = \sum_{k_1=0}^{R} (-1)^{k_1} \binom{R}{k_1}$, and $n = (8 + v) \cdot u$. Compute $n!$.
40,320
graphs = [ Graph( let={ "n3": Const(3), "e": Summation(var="k", start=Const(0), end=Ref("n3"), expr=Mul(Pow(Const(-1), Var("k")), Binom(n=Ref("n3"), k=Var("k")))), "a": Sum(Const(5), Ref("e")), "b": Const(1), "n2": Sum(Ref("a"), Ref("b")), ...
COMB
null
COMPUTE
sympy
POLY_ORBIT_HENSEL
[ "BINOMIAL_ALTERNATING", "ZERO_BINOM_0", "ONE_BINOM_N" ]
55bba9
comb_factorial_compute_v1
null
2
3
[ "BINOMIAL_ALTERNATING", "ONE_BINOM_N", "POLY_ORBIT_HENSEL", "ZERO_BINOM_0" ]
4
0.3
2026-02-25T10:03:40.917968Z
{ "verified": true, "answer": 40320, "timestamp": "2026-02-25T10:03:41.218288Z" }
0b5563
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 253, "completion_tokens": 637 }, "timestamp": "2026-03-30T08:52:37.115Z", "answer": 40320 }, { "i...
2
[ { "lemma": "BINOMIAL_ALTERNATING", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "ONE_BINOM_N", "status": "ok" }, { "...
{ "lo": -10, "mid": -5.89, "hi": -1.79 }
384add
sequence_lucas_compute_v1_349078426_1064
Let $n = 22$ and let $L_n$ be the $n$-th Lucas number. Let $M$ be the maximum value of $xy$ over all ordered pairs $(x, y)$ of positive integers such that $x + y = 20$. Let $Q$ be the remainder when $M - L_n$ is divided by $51997$. Compute $Q$.
12,494
graphs = [ Graph( let={ "_n": Const(51997), "n": Const(22), "result": Lucas(arg=Ref(name='n')), "Q": Mod(value=Sub(MaxOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=...
NT
null
COMPUTE
sympy
B1
[ "B1" ]
d2b6e1
sequence_lucas_compute_v1
negation_mod
3
0
[ "B1" ]
1
0.002
2026-02-08T13:23:34.984791Z
{ "verified": true, "answer": 12494, "timestamp": "2026-02-08T13:23:34.987222Z" }
dbadb9
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 128, "completion_tokens": 940 }, "timestamp": "2026-02-15T14:30:31.730Z", "answer": 12494 }, {...
1
[ { "lemma": "B1", "status": "ok" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" } ]
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
677440
antilemma_sum_equals_v1_458359167_4051
Let $T$ be the set of all integers $t$ such that $30 \leq t \leq 240$ and there exist positive integers $a$, $b$ with $1 \leq a \leq 8$, $1 \leq b \leq 8$, satisfying $t = 9a + 21b$. Let $n$ be the number of elements in $T$. Determine the number of ordered pairs $(i,j)$ of positive integers such that $1 \leq i \leq 58$...
58
graphs = [ Graph( let={ "_n": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=8)), Geq(left=Var(name='b'), right=Const(value=...
COMB
GEOM
COMPUTE
sympy
COUNT_SUM_EQUALS
[ "LIN_FORM/COUNT_SUM_EQUALS", "COUNT_SUM_EQUALS" ]
ada383
antilemma_sum_equals_v1
null
4
0
[ "COUNT_SUM_EQUALS", "LIN_FORM" ]
2
0.105
2026-02-08T11:29:37.163143Z
{ "verified": true, "answer": 58, "timestamp": "2026-02-08T11:29:37.267896Z" }
7b829e
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 1, "correct": { "strict": false, "boxed": false, "relaxed": true }, "usage": { "prompt_tokens": 245, "completion_tokens": 32768 }, "timestamp": "2026-02-24T14:13:55.884Z", "answer": null }, { ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V8", "status...
{ "lo": -2.35, "mid": 1.22, "hi": 4.84 }
67ce1f
nt_sum_divisors_range_v1_677425708_545
Let $S$ be the set of all positive integers $n$ such that $1 \leq n \leq 10080$. For each $n \in S$, let $d(n)$ denote the number of positive divisors of $n$. Define $r$ to be the sum of $d(n)$ over all $n \in S$. Let $t$ be the number of digits in $|r|$. For each digit position $i$ from 0 to $t-1$, let $d_i$ be the $i...
598
graphs = [ Graph( let={ "upper": Const(10080), "result": SumOverSet(set=MapOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("upper")))), expr=NumDivisors(n=Var("n")))), "_c": Const(256), "Q": Sum(Summation(var="i"...
NT
null
SUM
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS" ]
a9a663
nt_sum_divisors_range_v1
digits_weighted_mod
4
0
[ "COPRIME_PAIRS" ]
1
1.011
2026-02-08T03:35:46.685372Z
{ "verified": true, "answer": 598, "timestamp": "2026-02-08T03:35:47.696521Z" }
e71290
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 330, "completion_tokens": 5097 }, "timestamp": "2026-02-10T05:34:11.231Z", "answer": 598 }, { "i...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "V7", "status": "no" } ]
{ "lo": -3.42, "mid": 1.86, "hi": 7.55 }
8df531
nt_num_divisors_compute_v1_865884756_1293
Let $S$ be the set of all ordered pairs $(x, y)$ of positive integers such that $xy = 122500$. Let $T$ be the set of all values of $x + y$ as $(x, y)$ ranges over $S$. Let $n$ be the smallest element of $T$. Determine the value of the number of positive divisors of $n$.
18
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(122500)))), expr=Sum(Var("x"), Var("y")))), "result": NumDiv...
NT
null
COMPUTE
sympy
COMB1
[ "B3" ]
0cd20d
nt_num_divisors_compute_v1
null
4
0
[ "B3", "COMB1" ]
2
0.019
2026-02-08T15:52:13.418416Z
{ "verified": true, "answer": 18, "timestamp": "2026-02-08T15:52:13.437508Z" }
dde52a
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 127, "completion_tokens": 937 }, "timestamp": "2026-02-16T17:51:53.078Z", "answer": 18 }, { ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
375f3c
nt_sum_divisors_mod_v1_1915831931_2881
Let $n$ be the minimum value of $x + y$ over all ordered pairs $(x, y)$ of positive integers such that $xy = 6350400$. Let $\sigma(n)$ denote the sum of the positive divisors of $n$. Compute the remainder when $\sigma(n)$ is divided by $11719$.
7,625
graphs = [ Graph( let={ "n": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Mul(Var("x"), Var("y")), Const(6350400)))), expr=Sum(Var("x"), Var("y")))), "M": Const(1171...
NT
null
COMPUTE
sympy
B3
[ "B3" ]
0cd20d
nt_sum_divisors_mod_v1
null
5
0
[ "B3" ]
1
0.003
2026-02-08T17:13:37.937099Z
{ "verified": true, "answer": 7625, "timestamp": "2026-02-08T17:13:37.940226Z" }
f3c992
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 114, "completion_tokens": 2227 }, "timestamp": "2026-02-17T22:33:17.026Z", "answer": 7625 }, {...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
dfb0cf
comb_catalan_compute_v1_1978505735_7154
Let $n$ be the number of ordered pairs $(i, j)$ of integers with $1 \leq i \leq 10$ and $1 \leq j \leq 10$ such that $i + j = 11$. Let $r = C_n$, the $n$-th Catalan number. Compute the remainder when $90535 \cdot r$ is divided by $69452$.
43,772
graphs = [ Graph( let={ "_n": Const(69452), "n": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=Eq(Sum(Var("i"), Var("j")), Const(11)), domain=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(10)), right=IntegerRange(start=Const(1), end=...
COMB
null
COMPUTE
sympy
COUNT_SUM_EQUALS
[ "COUNT_SUM_EQUALS" ]
75ab0f
comb_catalan_compute_v1
null
4
0
[ "COUNT_SUM_EQUALS" ]
1
0.013
2026-02-08T20:05:39.194837Z
{ "verified": true, "answer": 43772, "timestamp": "2026-02-08T20:05:39.207595Z" }
3f1d3f
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": 2325 }, "timestamp": "2026-02-18T23:55:33.019Z", "answer": 43772 }, ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status":...
{ "lo": -3.12, "mid": 1.47, "hi": 6.57 }
8a5e45
sequence_fibonacci_compute_v1_168721529_1930
Let $n$ be the number of integers $t$ such that $10 \leq t \leq 60$ and there exist integers $a$ and $b$ with $1 \leq a \leq 9$, $1 \leq b \leq 4$, and $t = 4a + 6b$. Let $F_n$ denote the $n$-th Fibonacci number, where $F_1 = F_2 = 1$ and $F_k = F_{k-1} + F_{k-2}$ for $k \geq 3$. Compute the remainder when $24153 \cdot...
39,024
graphs = [ Graph( let={ "_n": Const(99070), "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=9)), Geq(left=Va...
NT
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
sequence_fibonacci_compute_v1
null
5
0
[ "LIN_FORM" ]
1
0.004
2026-02-08T14:00:28.887601Z
{ "verified": true, "answer": 39024, "timestamp": "2026-02-08T14:00:28.891815Z" }
a0c364
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 259, "completion_tokens": 3159 }, "timestamp": "2026-02-09T23:43:40.727Z", "answer": 39024 }, { "...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "V3", "status": "no" } ]
{ "lo": -5.49, "mid": 0.03, "hi": 6.12 }
a3dc37
comb_sum_binomial_row_v1_784195855_7565
Let $m = 2$. Let $d_0$ be the smallest divisor of $115002253$ that is at least $m$. Let $A$ be the set of all positive integers $n$ such that $1 \leq n \leq d_0$ and $\gcd(n, 12) = 1$. Let $n_0$ be the number of elements in $A$. Compute the remainder when $44121 \cdot 2^{n_0}$ is divided by $83089$.
2,082
graphs = [ Graph( let={ "_m": Const(2), "_n": Const(44121), "n": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Ref("_m")), Divides(divisor=Var("d"), di...
NT
null
SUM
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR/C4" ]
bf3815
comb_sum_binomial_row_v1
null
4
0
[ "C4", "MIN_PRIME_FACTOR" ]
2
0.002
2026-02-08T09:24:00.700602Z
{ "verified": true, "answer": 2082, "timestamp": "2026-02-08T09:24:00.702597Z" }
94da70
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": 2003 }, "timestamp": "2026-02-14T03:34:58.343Z", "answer": 2082 }, {...
1
[ { "lemma": "C4", "status": "ok_later" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "V5", ...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
2cc8fa
nt_min_coprime_above_v1_151522320_1744
Let $S$ be the set of all positive integers $n$ such that $1 \leq n \leq 15015$ and the sum of the decimal digits of $n$ is odd. Let $u$ be the number of elements in $S$. Find the smallest integer $n$ such that $n > 7396$, $n \leq u$, and $\gcd(n, 102) = 1$. Let this value be $r$. Compute the remainder when $84514 \cdo...
39,915
graphs = [ Graph( let={ "start": Const(7396), "upper": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Const(15015)), Eq(Mod(value=DigitSum(Var("n")), modulus=Const(2)), Const(1))))), "modulus": Const(102), "res...
NT
null
EXTREMUM
sympy
L3B
[ "L3B" ]
cc148f
nt_min_coprime_above_v1
null
4
0
[ "L3B" ]
1
0.012
2026-02-08T04:20:38.422126Z
{ "verified": true, "answer": 39915, "timestamp": "2026-02-08T04:20:38.434336Z" }
e3b5ca
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 232, "completion_tokens": 3274 }, "timestamp": "2026-02-10T16:18:44.618Z", "answer": 39915 }, { ...
1
[ { "lemma": "K15", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "L3B", "status": "ok" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "V7", "status": "no" } ]
{ "lo": -3.42, "mid": 1.86, "hi": 7.55 }
b79d94
comb_count_permutations_fixed_v1_865884756_3684
Let $n = 10$ and $k = 6$. Define $\text{result}$ to be $\binom{n}{k}$ multiplied by the number of derangements of $n - k$ elements. Let $Q = \sum_{n_1=1}^{\left|\text{result}\right|} \tau(n_1)$, where $\tau(n_1)$ denotes the number of positive divisors of $n_1$. Find the value of $Q$.
14,569
graphs = [ Graph( let={ "n": Const(10), "k": Const(6), "result": Mul(Binom(n=Ref("n"), k=Ref("k")), Subfactorial(arg=Sub(left=Ref(name='n'), right=Ref(name='k')))), "Q": Summation(var="n1", start=Const(1), end=Abs(arg=Ref(name='result')), expr=NumDivisors(n=Va...
NT
COMB
COUNT
sympy
ONE_PHI_1
[ "BINOMIAL_ALTERNATING" ]
c21569
comb_count_permutations_fixed_v1
null
3
0
[ "BINOMIAL_ALTERNATING", "ONE_PHI_1" ]
2
0.027
2026-02-08T17:32:18.330090Z
{ "verified": true, "answer": 14569, "timestamp": "2026-02-08T17:32:18.357393Z" }
f98c8a
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 143, "completion_tokens": 2627 }, "timestamp": "2026-02-18T03:39:25.379Z", "answer": 14569 }, ...
1
[ { "lemma": "BINOMIAL_ALTERNATING", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
b43e9c
nt_num_divisors_compute_v1_717093673_1192
Let $n = 121$. Define $d$ to be the number of positive divisors of $n$. Compute $$\sum_{k=1}^{d} \phi(k),$$ where $\phi(k)$ denotes the number of positive integers less than or equal to $k$ that are relatively prime to $k$.
4
graphs = [ Graph( let={ "n": Const(121), "result": NumDivisors(n=Ref("n")), "Q": Summation(var="n1", start=Const(1), end=Abs(arg=Ref(name='result')), expr=EulerPhi(n=Var("n1"))), }, goal=Ref("Q"), ) ]
NT
null
COMPUTE
sympy
COUNT_COPRIME_GRID
[ "COUNT_COPRIME_GRID/B1" ]
1da870
nt_num_divisors_compute_v1
null
3
0
[ "B1", "COUNT_COPRIME_GRID" ]
2
0.017
2026-02-08T15:56:01.470882Z
{ "verified": true, "answer": 4, "timestamp": "2026-02-08T15:56:01.487721Z" }
a27c1b
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 111, "completion_tokens": 359 }, "timestamp": "2026-02-16T17:14:18.911Z", "answer": 4 }, { ...
1
[ { "lemma": "B1", "status": "ok_later" }, { "lemma": "COUNT_COPRIME_GRID", "status": "ok" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
dfdc64
comb_count_surjections_v1_1918700295_1955
Let $c = 8$. Define $m$ to be the number of ordered pairs $(i,j)$ of integers such that $1 \leq i \leq 6$, $1 \leq j \leq 6$, and $i + j = c$. Define $n$ to be the number of ordered pairs $(i,j)$ such that $1 \leq i \leq 5$, $1 \leq j \leq 5$, and $i + j = m$. Let $a$ be the number of ordered pairs $(i,j)$ such that $i...
5,796
graphs = [ Graph( let={ "_c": Const(8), "_m": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=Eq(Sum(Var("i"), Var("j")), Ref("_c")), domain=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(6)), right=IntegerRange(start=Const(1), end=Cons...
COMB
null
COUNT
sympy
COUNT_SUM_EQUALS
[ "COUNT_SUM_EQUALS/COUNT_SUM_EQUALS", "COUNT_CARTESIAN" ]
2b449a
comb_count_surjections_v1
null
5
0
[ "COUNT_CARTESIAN", "COUNT_SUM_EQUALS" ]
2
0.03
2026-02-08T06:12:00.275812Z
{ "verified": true, "answer": 5796, "timestamp": "2026-02-08T06:12:00.305772Z" }
4be10c
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 339, "completion_tokens": 1847 }, "timestamp": "2026-02-24T08:16:11.602Z", "answer": 5796 }, { "i...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no...
{ "lo": -3.84, "mid": -1.67, "hi": 1.32 }
0944c1
nt_lcm_compute_v1_971394319_1921
Let $n = 1705$ and $a = 1744$. Define $b = \sum_{d \mid n} \phi(d)$, where the sum is over all positive divisors $d$ of $n$. Let $L = \operatorname{lcm}(a, b)$. Compute the remainder when $90746 \cdot L$ is divided by $52439$.
50,693
graphs = [ Graph( let={ "_n": Const(1705), "a": Const(1744), "b": SumOverDivisors(n=Ref(name='_n'), var='d', expr=EulerPhi(n=Var(name='d'))), "result": LCM(a=Ref("a"), b=Ref("b")), "_c": Const(90746), "Q": Mod(value=Mul(Ref("_c"), Ref("...
NT
null
COMPUTE
sympy
K3
[ "K3" ]
54c41e
nt_lcm_compute_v1
null
4
0
[ "K3" ]
1
0.002
2026-02-08T14:00:25.968489Z
{ "verified": true, "answer": 50693, "timestamp": "2026-02-08T14:00:25.970388Z" }
21d801
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 125, "completion_tokens": 1408 }, "timestamp": "2026-02-15T23:34:10.540Z", "answer": 50693 }, ...
1
[ { "lemma": "K17", "status": "no" }, { "lemma": "K3", "status": "ok" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
dfa249
antilemma_sum_equals_v1_1978505735_7093
Let $n = 64$. Compute the number of ordered pairs $(i, j)$ of positive integers such that $1 \leq i \leq 62$, $1 \leq j \leq 62$, and $i + j = n$.
61
graphs = [ Graph( let={ "_n": Const(64), "x": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=Eq(Sum(Var("i"), Var("j")), Ref("_n")), domain=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(62)), right=IntegerRange(start=Const(1), end=Con...
COMB
GEOM
COMPUTE
sympy
COMB1
[ "COUNT_SUM_EQUALS" ]
75ab0f
antilemma_sum_equals_v1
null
2
0
[ "COMB1", "COUNT_SUM_EQUALS" ]
2
0.082
2026-02-08T20:02:26.302367Z
{ "verified": true, "answer": 61, "timestamp": "2026-02-08T20:02:26.384404Z" }
fa48c5
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": 1181 }, "timestamp": "2026-02-18T23:52:59.284Z", "answer": 61 }, { ...
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": -5.39, "mid": -2.64, "hi": 0.63 }
304094
diophantine_product_count_v1_124444284_4166
Let $k$ be the minimum value of $x + y$ over all ordered pairs $(x, y)$ of positive integers such that $xy = 44100$. Let $T = \sum_{i=1}^{23} i$. Let $S$ be the set of all positive integers $x$ such that $1 \leq x \leq T$, $x$ divides $k$, and $\frac{k}{x} \leq T$. Let $r$ be the number of elements in $S$. Compute the ...
10,846
graphs = [ Graph( let={ "_n": Const(23), "k": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Mul(Var("x"), Var("y")), Const(44100)))), expr=Sum(Var("x"), Var("y")))), ...
NT
null
COUNT
sympy
SUM_ARITHMETIC
[ "SUM_ARITHMETIC", "B3" ]
dee757
diophantine_product_count_v1
null
6
0
[ "B3", "SUM_ARITHMETIC" ]
2
0.033
2026-02-08T05:49:27.258009Z
{ "verified": true, "answer": 10846, "timestamp": "2026-02-08T05:49:27.291411Z" }
9e825c
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 172, "completion_tokens": 1431 }, "timestamp": "2026-02-12T15:27:47.273Z", "answer": 10846 }, ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma"...
{ "lo": -3.51, "mid": 1.33, "hi": 6.56 }
a96f08
nt_sum_over_divisible_v1_1520064083_1304
Let $T$ be the set of all integers $t$ with $7 \leq t \leq 24$ for which there exist integers $a$ and $b$ such that $1 \leq a \leq 2$, $1 \leq b \leq 7$, and $t = 5a + 2b$. Let $d$ be the number of elements in $T$. Let $S$ be the set of all positive integers $n$ such that $n \leq 15376$ and $n$ is divisible by $d$. Let...
26,454
graphs = [ Graph( let={ "_n": Const(44121), "upper": Const(15376), "divisor": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name...
NT
null
SUM
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
nt_sum_over_divisible_v1
null
4
0
[ "LIN_FORM" ]
1
0.497
2026-02-08T03:55:00.487478Z
{ "verified": true, "answer": 26454, "timestamp": "2026-02-08T03:55:00.984880Z" }
1d32cc
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 267, "completion_tokens": 4501 }, "timestamp": "2026-02-10T16:10:30.994Z", "answer": 26454 }, { "...
1
[ { "lemma": "K13", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "V3", "status": "no" }, { "lemma": "V5", "status": "no" } ]
{ "lo": -3.46, "mid": 1.03, "hi": 5.49 }
65131b
nt_count_phi_equals_v1_2051736721_68
Let $N$ be the number of positive integers $p$ for which there exists a positive integer $q$ such that $p < q$, $pq = 13124722191619115103367764423000$, and $\gcd(p, q) = 1$. Let $S$ be the set of positive integers $n$ with $1 \leq n \leq N$ such that $\phi(n) = 1864$. Compute the number of elements in $S$.
0
graphs = [ Graph( let={ "upper": 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=13124722191619115103367764423000)), Eq(left=GCD(a=Var(name='p'), b=Var(na...
NT
null
COUNT
sympy
LIN_FORM
[ "COPRIME_PAIRS" ]
2bb3aa
nt_count_phi_equals_v1
null
6
0
[ "COPRIME_PAIRS", "LIN_FORM" ]
2
0.856
2026-02-08T15:11:00.386751Z
{ "verified": true, "answer": 0, "timestamp": "2026-02-08T15:11:01.242643Z" }
11fe8b
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": 7873 }, "timestamp": "2026-02-16T01:14:33.070Z", "answer": 0 }, { ...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "K14", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V7", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
ad4c60
nt_count_gcd_equals_v1_784195855_1107
Let $k = 210$ and let $d = \sum_{i=1}^{5} i$. Determine the number of positive integers $n$ such that $1 \leq n \leq 44444$ and $\gcd(n, k) = d$. Compute this number.
1,269
graphs = [ Graph( let={ "upper": Const(44444), "k": Const(210), "d": Summation(var="k", start=Const(1), end=Const(5), expr=Var("k")), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("upper")), Eq(G...
NT
null
COUNT
sympy
SUM_ARITHMETIC
[ "SUM_ARITHMETIC" ]
eb34f0
nt_count_gcd_equals_v1
null
3
0
[ "SUM_ARITHMETIC" ]
1
4.631
2026-02-08T04:51:42.818100Z
{ "verified": true, "answer": 1269, "timestamp": "2026-02-08T04:51:47.448609Z" }
826d77
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 172, "completion_tokens": 1860 }, "timestamp": "2026-02-11T22:15:39.788Z", "answer": 1269 }, { "...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "SUM_ARITHMETIC", "status": "ok" }, { "lemma": "V5", "status":...
{ "lo": -5.55, "mid": -3.01, "hi": 0.33 }
6c2f5b
antilemma_sum_equals_v1_48377204_290
Let $S$ be the set of all ordered pairs $(i, j)$ of positive integers such that $i + j = 100$, $1 \leq i \leq 98$, and $1 \leq j \leq 98$. Let $x$ be the number of elements in $S$. Define $Q$ to be the Bell number $B_{|x| \bmod 11}$. Find the value of $Q$.
21,147
graphs = [ Graph( let={ "x": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=Eq(Sum(Var("i"), Var("j")), Const(100)), domain=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(98)), right=IntegerRange(start=Const(1), end=Const(98))))), "Q":...
COMB
GEOM
COMPUTE
sympy
COUNT_SUM_EQUALS
[ "COUNT_SUM_EQUALS" ]
75ab0f
antilemma_sum_equals_v1
null
3
0
[ "COUNT_SUM_EQUALS" ]
1
0.004
2026-02-08T15:20:04.078966Z
{ "verified": true, "answer": 21147, "timestamp": "2026-02-08T15:20:04.083064Z" }
915892
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 206, "completion_tokens": 825 }, "timestamp": "2026-02-24T20:23:39.162Z", "answer": 21147 }, { "i...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -5.65, "mid": -3.17, "hi": -0.81 }
f29c7e
diophantine_fbi2_min_v1_1439011603_884
Let $k = 81$. Determine the smallest integer $d \geq 2$ such that $d \leq 91$, $d$ divides $k$, and $\frac{k}{d} \geq 6$. Find the value of $d$.
3
graphs = [ Graph( let={ "k": Const(81), "a": Const(1), "b": Const(5), "upper": Const(91), "result": MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(2)), Leq(Var("d"), Ref("upper")), Divides(divisor=Var("d"), dividend=Ref...
NT
null
EXTREMUM
sympy
COPRIME_PAIRS
[ "MIN_PRIME_FACTOR", "LIN_FORM" ]
41af5a
diophantine_fbi2_min_v1
null
3
0
[ "COPRIME_PAIRS", "LIN_FORM", "MIN_PRIME_FACTOR" ]
3
0.055
2026-02-08T15:47:29.892824Z
{ "verified": true, "answer": 3, "timestamp": "2026-02-08T15:47:29.948105Z" }
e56534
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 100, "completion_tokens": 518 }, "timestamp": "2026-02-16T14:06:24.066Z", "answer": 3 }, { ...
1
[ { "lemma": "K13", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { ...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
dc4441
comb_count_derangements_v1_1440796553_1344
Let $d$ be the smallest positive integer greater than or equal to 2 that divides 3773. Let $n$ be this value of $d$. Define $\text{result}$ to be the subfactorial of $n$, denoted $!n$, which counts the number of derangements of $n$ elements. Let $Q$ be the remainder when $87800 \cdot \text{result}$ is divided by $93923...
12,641
graphs = [ Graph( let={ "_n": Const(2), "n": MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Ref("_n")), Divides(divisor=Var("d"), dividend=Const(3773))))), "result": Subfactorial(arg=Ref(name='n')), "Q": Mod(value=Mul(Const(87800), Ref("...
NT
COMB
COUNT
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR" ]
bc3776
comb_count_derangements_v1
null
3
0
[ "MIN_PRIME_FACTOR" ]
1
0.002
2026-02-08T13:39:38.831753Z
{ "verified": true, "answer": 12641, "timestamp": "2026-02-08T13:39:38.833295Z" }
4e56a9
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 143, "completion_tokens": 1433 }, "timestamp": "2026-02-15T19:31:44.404Z", "answer": 12641 }, ...
1
[ { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "VAL_SUM...
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
48afff
diophantine_fbi2_count_v1_677425708_2938
Let $k = 480$. Define $\text{result}$ to be the number of positive integers $d$ such that $3 \leq d \leq 123$, $d$ divides $k$, and $2 \leq \frac{k}{d} \leq 122$. Define $T$ to be the set of all positive integers $t$ such that $21 \leq t \leq 19137$ and there exist positive integers $a \leq 1277$ and $b \leq 765$ for w...
46,742
graphs = [ Graph( let={ "k": Const(480), "result": CountOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(3)), Leq(Var("d"), Const(123)), Divides(divisor=Var("d"), dividend=Ref("k")), Geq(Div(Ref("k"), Var("d")), Const(2)), Leq(Div(Ref("k"), Var("d")), Const(12...
NT
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM" ]
3d6396
diophantine_fbi2_count_v1
affine_mod
4
0
[ "LIN_FORM" ]
1
0.016
2026-02-08T05:22:52.845595Z
{ "verified": true, "answer": 46742, "timestamp": "2026-02-08T05:22:52.861486Z" }
cb8422
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 211, "completion_tokens": 5786 }, "timestamp": "2026-02-12T07:29:47.573Z", "answer": 46742 }, ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "LTE_DIFF_P2", "status": "no" } ]
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
44759d
nt_count_gcd_equals_v1_458359167_2980
Let $ S $ be the set of all ordered pairs of positive integers $ (x, y) $ such that $ xy = 23104 $. Let $ k $ be the minimum value of $ x + y $ over all such pairs. Compute the number of positive integers $ n $ such that $ 1 \leq n \leq 47895 $ and $ \gcd(n, k) = 152 $. Find the remainder when $ 61781 $ times this numb...
55,658
graphs = [ Graph( let={ "upper": Const(47895), "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(23104)))), expr=Sum(Var("x"), Var("y"...
NT
null
COUNT
sympy
B3
[ "B3" ]
0cd20d
nt_count_gcd_equals_v1
null
5
0
[ "B3" ]
1
3.695
2026-02-08T06:52:35.873289Z
{ "verified": true, "answer": 55658, "timestamp": "2026-02-08T06:52:39.568090Z" }
6946ed
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": 1524 }, "timestamp": "2026-02-13T05:30:18.622Z", "answer": 55658 }, ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "V5", "status": "no" } ]
{ "lo": -3.51, "mid": 1.33, "hi": 6.56 }
51fbd9_n
modular_mod_compute_v1_601307018_6977
A spacecraft can execute up to $j$ jumps on mission $j$, where $j$ ranges from 1 to 8464, but only if $j^5 \leq 43438845422363213824$. Let $m$ be the number of valid missions. The final protocol uses $M = 41 \bmod m$ as a security offset. The launch code is $9801 - M$. What is the code?
9,760
graphs = [ Graph( let={ "a": Const(41), "m": CountOverSet(set=SolutionsSet(var=Var("j"), condition=And(Geq(Var("j"), Const(1)), Leq(Var("j"), Const(8464)), Leq(Pow(Var("j"), Const(5)), Const(43438845422363213824))), domain='positive_integers')), "result": Mod(value=Ref("a...
NT
null
COMPUTE
sympy
C3
[ "C3" ]
8a214c
modular_mod_compute_v1
null
3
null
[ "C3" ]
1
0.004
2026-03-10T07:37:47.954310Z
null
b051f5
51fbd9
narrative
CC BY 4.0
[ { "id": 36, "model": "qwen2.5:3b-32k", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 166, "completion_tokens": 538 }, "timestamp": "2026-04-23T12:49:08.214Z", "answer": 9760 } ]
2
[ { "lemma": "C2", "status": "no" }, { "lemma": "C3", "status": "ok" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" ...
{ "lo": -10, "mid": -5.89, "hi": -1.79 }
ad15d0
nt_count_gcd_equals_v1_124444284_2195
Let $k = 301$ and $d = 7$. Determine the number of positive integers $n$ such that $1 \leq n \leq 7569$ and $\gcd(n, k) = d$.
1,056
graphs = [ Graph( let={ "upper": Const(7569), "k": Const(301), "d": Const(7), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("upper")), Eq(GCD(a=Var("n"), b=Ref("k")), Ref("d"))))), }, ...
NT
null
COUNT
sympy
B3
[ "B3/V5", "LIN_FORM" ]
3e5ff3
nt_count_gcd_equals_v1
null
4
0
[ "B3", "LIN_FORM", "V5" ]
3
1.946
2026-02-08T04:30:36.616167Z
{ "verified": true, "answer": 1056, "timestamp": "2026-02-08T04:30:38.562381Z" }
130e20
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 159, "completion_tokens": 835 }, "timestamp": "2026-02-10T16:58:26.429Z", "answer": 1056 }, { "i...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V1", "status": "no" }, { "lemma": "V5", "status": "ok_later" }, { ...
{ "lo": -7.01, "mid": -4.68, "hi": -2.15 }
4bac65
diophantine_fbi2_count_v1_458359167_2765
Let $k = 1260$. Compute the number of integers $d$ such that $3 \leq d \leq 79$, $d$ divides $k$, and $3 \leq \frac{k}{d} \leq 79$.
12
graphs = [ Graph( let={ "k": Const(1260), "a": Const(2), "b": Const(2), "upper": Const(77), "result": CountOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(3)), Leq(Var("d"), Const(79)), Divides(divisor=Var("d"), dividend=Re...
NT
null
COUNT
sympy
K2
[ "MIN_PRIME_FACTOR" ]
bc3776
diophantine_fbi2_count_v1
null
3
0
[ "K2", "MIN_PRIME_FACTOR" ]
2
0.22
2026-02-08T06:45:53.855615Z
{ "verified": true, "answer": 12, "timestamp": "2026-02-08T06:45:54.075202Z" }
dd8cb1
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": 2113 }, "timestamp": "2026-02-13T04:05:05.916Z", "answer": 12 }, { ...
1
[ { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "MAX_VAL", "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 }
1199cd
nt_count_coprime_v1_717093673_1208
Let $k$ be the number of positive integers $p$ for which there exists a positive integer $q$ such that $p < q$, $\gcd(p, q) = 1$, and $pq = 900900$. Let $r$ be the number of positive integers $n$ from 1 to 54289 inclusive that are relatively prime to $k$. Compute the remainder when $47415 \cdot r$ is divided by 86489.
37,366
graphs = [ Graph( let={ "_n": Const(47415), "upper": Const(54289), "k": CountOverSet(set=SolutionsSet(var=Var("p"), condition=And(IsPositive(arg=Var(name='p')), Exists(var=Var(name='q'), condition=And(Eq(left=Mul(Var(name='p'), Var(name='q')), right=Const(value=900900)), ...
NT
null
COUNT
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS" ]
2bb3aa
nt_count_coprime_v1
null
6
0
[ "COPRIME_PAIRS" ]
1
4.327
2026-02-08T15:56:35.354676Z
{ "verified": true, "answer": 37366, "timestamp": "2026-02-08T15:56:39.681861Z" }
fb4922
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 142, "completion_tokens": 2667 }, "timestamp": "2026-02-16T17:18:01.012Z", "answer": 37366 }, ...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "V5", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
772c19
comb_binomial_compute_v1_784195855_3268
Let $n = 12$ and define $$ k = \sum_{k=1}^{3} \varphi(k) \left\lfloor \frac{3}{k} \right\rfloor, $$ where $\varphi$ denotes Euler's totient function. Let $\binom{n}{k}$ denote the binomial coefficient. Compute the value of $43681 - \binom{n}{k}$.
42,757
graphs = [ Graph( let={ "n": Const(12), "k": Summation(var="k", start=Const(1), end=Const(3), expr=Mul(EulerPhi(n=Var("k")), Floor(Div(Const(3), Var("k"))))), "result": Binom(n=Ref("n"), k=Ref("k")), "_c": Const(43681), "Q": Sub(Ref("_c"), Ref("res...
NT
null
COMPUTE
sympy
K2
[ "K2" ]
6897ab
comb_binomial_compute_v1
null
3
0
[ "K2" ]
1
0.001
2026-02-08T06:19:16.137696Z
{ "verified": true, "answer": 42757, "timestamp": "2026-02-08T06:19:16.138911Z" }
e91fc6
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 153, "completion_tokens": 510 }, "timestamp": "2026-02-15T17:23:46.601Z", "answer": 42757 }, { "id": 11, ...
2
[ { "lemma": "K2", "status": "ok" }, { "lemma": "L3b", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -10, "mid": -7.73, "hi": -5.46 }
218ce7
alg_qf_psd_orbit_v1_1218484723_5713
Let $M$ be the number of positive integers $v$ with $4 \le v \le 2917$ for which there exist integers $a, b$ such that $1 \le a \le 14$, $1 \le b \le 14$, and $5b^2 - 16ab + 16a^2 = v$. Let $Q$ be the number of ordered pairs $(a, b)$ of positive integers with $1 \le a \le b \le 476$ such that $29b^2 - 40ab + 29a^2 = 21...
5
graphs = [ Graph( let={ "_c": Const(29), "_m": CountOverSet(set=SolutionsSet(var=Var("v"), condition=And(Geq(Var("v"), Const(4)), Leq(Var("v"), Const(2917)), Exists(var=Tuple(elements=[Var(name='a'), Var(name='b')]), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(le...
ALG
null
COUNT
sympy
MOBIUS_COPRIME
[ "QF_PSD_DISTINCT/QF_PSD_COUNT/QF_PSD_COUNT_LEQ" ]
6b909b
alg_qf_psd_orbit_v1
null
6
0
[ "MOBIUS_COPRIME", "QF_PSD_COUNT", "QF_PSD_COUNT_LEQ", "QF_PSD_DISTINCT" ]
4
3.005
2026-02-25T07:15:47.736068Z
{ "verified": true, "answer": 5, "timestamp": "2026-02-25T07:15:50.740988Z" }
672080
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 1, "correct": { "strict": false, "boxed": false, "relaxed": true }, "usage": { "prompt_tokens": 245, "completion_tokens": 32768 }, "timestamp": "2026-03-29T22:27:41.010Z", "answer": null }, { ...
1
[ { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "QF_PSD_COUNT", "status": "ok_later" }, { "lemma": "QF_PSD_COUNT_LEQ", "status": "ok_later" }, { "lemma": "QF_PSD_DISTINCT", "status": "ok" } ]
{ "lo": 3.81, "mid": 6.33, "hi": 9.49 }
3ceb45
nt_count_coprime_and_v1_971394319_1926
Let $S$ be the set of all ordered pairs $(x, y)$ of positive integers such that $x + y = 6$. Define $k_1$ to be the maximum value of $xy$ over all such pairs. Let $k_2 = 16$ and $U = 50226$. Compute the number of positive integers $n$ with $1 \leq n \leq U$ such that $\gcd(n, k_1) = 1$ and $\gcd(n, k_2) = 1$.
16,742
graphs = [ Graph( let={ "upper": Const(50226), "k1": MaxOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Sum(Var("x"), Var("y")), Const(6)))), expr=Mul(Var("x"), Var("y")))...
NT
null
COUNT
sympy
B1
[ "B1" ]
5b950e
nt_count_coprime_and_v1
null
6
0
[ "B1" ]
1
17.182
2026-02-08T14:00:26.613770Z
{ "verified": true, "answer": 16742, "timestamp": "2026-02-08T14:00:43.796207Z" }
a16d89
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": 1754 }, "timestamp": "2026-02-15T23:34:17.498Z", "answer": 16742 }, ...
1
[ { "lemma": "B1", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "V3", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
1d9532
nt_num_divisors_compute_v1_1520064083_2138
Compute the number of positive divisors of 64620.
36
graphs = [ Graph( let={ "n": Const(64620), "result": NumDivisors(n=Ref("n")), }, goal=Ref("result"), ) ]
NT
null
COMPUTE
sympy
C5
[ "COPRIME_PAIRS/ONE_PHI_2" ]
761f00
nt_num_divisors_compute_v1
null
2
0
[ "C5", "COPRIME_PAIRS", "ONE_PHI_2" ]
3
0.179
2026-02-08T04:31:44.871280Z
{ "verified": true, "answer": 36, "timestamp": "2026-02-08T04:31:45.050191Z" }
b12c13
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 122, "completion_tokens": 570 }, "timestamp": "2026-02-10T16:57:25.757Z", "answer": 36 }, { "id"...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MOD_MUL", "status": "no...
{ "lo": -7.01, "mid": -4.68, "hi": -2.15 }
d1280f
comb_count_surjections_v1_655260480_194
Let $k$ be the number of ordered pairs $(i,j)$ of positive integers such that $i + j = 8$, $1 \leq i \leq 6$, and $1 \leq j \leq 6$. Let $n = 5$. Define $r = k! \cdot S(n, k)$, where $S(n, k)$ denotes the number of ways to partition a set of $n$ elements into $k$ nonempty subsets. Compute $\sum_{n_1 = 1}^{|r|} \phi(n_1...
4,386
graphs = [ Graph( let={ "n": Const(5), "k": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=Eq(Sum(Var("i"), Var("j")), Const(8)), domain=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(6)), right=IntegerRange(start=Const(1), end=Const(6...
COMB
NT
COUNT
sympy
COUNT_SUM_EQUALS
[ "COUNT_SUM_EQUALS", "ONE_FACTORIAL_0" ]
5b61d1
comb_count_surjections_v1
null
5
0
[ "COUNT_SUM_EQUALS", "ONE_FACTORIAL_0" ]
2
0.293
2026-02-08T15:16:28.974744Z
{ "verified": true, "answer": 4386, "timestamp": "2026-02-08T15:16:29.267658Z" }
10e83b
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 275, "completion_tokens": 5456 }, "timestamp": "2026-02-24T20:21:03.679Z", "answer": 4386 }, { "i...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "ONE_FACTORIAL_0", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "n...
{ "lo": 1.15, "mid": 4.18, "hi": 6.61 }
3536f4
diophantine_fbi2_count_v1_865884756_3192
Let $D_0=182$, $c_0=3$, and $m=2$. Define $$n_0=\sum_{k=1}^{m} k.$$ Let $T_1$ be the set of all ordered pairs $(x,y)$ of positive integers such that $xy=21344400$. Let $S_1$ be the set of all values of $x+y$ as $(x,y)$ ranges over $T_1$, and let $L$ be the smallest element of $S_1$. Let $k$ be the number of integers ...
22,198
graphs = [ Graph( let={ "_d": Const(182), "_c": Const(3), "_m": Const(2), "_n": Summation(var="k1", start=Const(1), end=Ref("_m"), expr=Var("k1")), "k": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n")...
NT
null
COUNT
sympy
SUM_ARITHMETIC
[ "SUM_ARITHMETIC/B3", "LIN_FORM/B3", "B3/L3C" ]
c27fff
diophantine_fbi2_count_v1
null
8
0
[ "B3", "L3C", "LIN_FORM", "SUM_ARITHMETIC" ]
4
0.018
2026-02-08T17:13:25.280172Z
{ "verified": true, "answer": 22198, "timestamp": "2026-02-08T17:13:25.298539Z" }
d7d6ad
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 483, "completion_tokens": 4797 }, "timestamp": "2026-02-17T22:10:54.136Z", "answer": 22198 }, ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "L3C", "status": "ok_later" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": ...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
4adde4
nt_count_coprime_and_v1_458359167_3587
Let $k_1 = 3$ and $k_2$ be the largest prime number less than or equal to $11$. Define $N$ to be the number of positive integers $n$ with $1 \leq n \leq 34405$ such that $\gcd(n, k_1) = 1$ and $\gcd(n, k_2) = 1$. Compute the remainder when $51671 \cdot N$ is divided by $76074$.
7,630
graphs = [ Graph( let={ "upper": Const(34405), "k1": Const(3), "k2": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Const(11)), I...
NT
null
COUNT
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW/MAX_PRIME_BELOW" ]
15be89
nt_count_coprime_and_v1
null
3
0
[ "MAX_PRIME_BELOW" ]
1
3.532
2026-02-08T08:27:13.232653Z
{ "verified": true, "answer": 7630, "timestamp": "2026-02-08T08:27:16.764451Z" }
36acd2
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 146, "completion_tokens": 2100 }, "timestamp": "2026-02-13T18:49:49.180Z", "answer": 7630 }, {...
1
[ { "lemma": "K15", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status":...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
dcde38
comb_count_surjections_v1_1520064083_1916
Let $n$ be the number of ordered pairs $(x_1, x_2)$ of positive odd integers such that $x_1 + x_2 = 14$. Let $k = 6$. Compute $k! \cdot S(n, k)$, where $S(n, k)$ denotes the Stirling number of the second kind. Find the value of this expression.
15,120
graphs = [ Graph( let={ "_n": Const(14), "n": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x1"), Var("x2")]), condition=And(IsPositive(arg=Var(name='x1')), IsPositive(arg=Var(name='x2')), IsOdd(arg=Var(name='x1')), IsOdd(arg=Var(name='x2')), Eq(Sum(Var("x1"), Var("x2")), Re...
COMB
null
COUNT
sympy
COMB1
[ "COMB1" ]
567f58
comb_count_surjections_v1
null
4
0
[ "COMB1" ]
1
0.002
2026-02-08T04:22:24.914504Z
{ "verified": true, "answer": 15120, "timestamp": "2026-02-08T04:22:24.916849Z" }
7fbf3a
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": 825 }, "timestamp": "2026-02-24T00:24:05.276Z", "answer": 15120 }, { "i...
1
[ { "lemma": "COMB1", "status": "ok" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "st...
{ "lo": -3.83, "mid": -1.68, "hi": 1.09 }
7b5518
sequence_lucas_compute_v1_1918700295_3029
Let $ d_{\text{max}} $ be the largest positive divisor of $ 522 $ that is at most $ 18 $. Let $ L $ be the $ d_{\text{max}} $-th Lucas number. Let $ c $ be the number of nonnegative integers $ j $ such that $ 0 \leq j \leq 640 $ and the binomial coefficient $ \binom{640}{j} $ is odd. Compute the remainder when $ c - L ...
77,130
graphs = [ Graph( let={ "_m": Const(82904), "_n": Const(522), "n": MaxOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(1)), Leq(Var("d"), Const(18)), Divides(divisor=Var("d"), dividend=Ref("_n"))))), "result": Lucas(arg=Ref(name='n')), ...
NT
null
COMPUTE
sympy
V8
[ "V8", "MAX_DIVISOR" ]
786eb5
sequence_lucas_compute_v1
negation_mod
4
0
[ "MAX_DIVISOR", "V8" ]
2
0.003
2026-02-08T08:21:49.582289Z
{ "verified": true, "answer": 77130, "timestamp": "2026-02-08T08:21:49.585353Z" }
e1dc7b
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": 1413 }, "timestamp": "2026-02-13T17:47:28.808Z", "answer": 77130 }, ...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MAX_DIVISOR", "status": "ok" }, ...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
1dab25
comb_count_permutations_fixed_v1_124444284_5885
Let $n = 6$ and define $$ k = \sum_{i=0}^{5} (-1)^i \binom{5}{i}. $$ Compute the value of $$ \binom{n}{k} \cdot !(n - k), $$ where $!m$ denotes the number of derangements of $m$ elements. Find the value of this expression.
265
graphs = [ Graph( let={ "n": Const(6), "k": Summation(var="k", start=Const(0), end=Const(5), expr=Mul(Pow(Const(-1), Var("k")), Binom(n=Const(5), k=Var("k")))), "result": Mul(Binom(n=Ref("n"), k=Ref("k")), Subfactorial(arg=Sub(left=Ref(name='n'), right=Ref(name='k')))), ...
COMB
null
COUNT
sympy
BINOMIAL_ALTERNATING
[ "BINOMIAL_ALTERNATING" ]
c21569
comb_count_permutations_fixed_v1
null
4
0
[ "BINOMIAL_ALTERNATING" ]
1
0.002
2026-02-08T06:56:24.940164Z
{ "verified": true, "answer": 265, "timestamp": "2026-02-08T06:56:24.942209Z" }
c9e3e1
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": 652 }, "timestamp": "2026-02-24T07:20:02.149Z", "answer": 265 }, { "id"...
1
[ { "lemma": "BINOMIAL_ALTERNATING", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "V8_...
{ "lo": -5.98, "mid": -3.97, "hi": -1.94 }
9dd00f
algebra_quadratic_discriminant_v1_1470522791_1476
Let $d$ range over the positive divisors of $28$ that are at most $4$. Let $d_{\text{max}}$ be the largest such divisor. Compute $(-19)^2 - (-1) \cdot d_{\text{max}} \cdot (-90)$, and multiply the result by $79754$. Find the value of this product.
79,754
graphs = [ Graph( let={ "_n": Const(28), "a": Const(-1), "b": Const(-19), "c": Const(-90), "result": Sub(Pow(Ref("b"), Const(2)), Mul(MaxOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(1)), Leq(Var("d"), Const(4)), Divides(...
NT
null
COMPUTE
sympy
MAX_DIVISOR
[ "MAX_DIVISOR" ]
51757e
algebra_quadratic_discriminant_v1
null
2
0
[ "MAX_DIVISOR" ]
1
0.002
2026-02-08T13:41:01.441444Z
{ "verified": true, "answer": 79754, "timestamp": "2026-02-08T13:41:01.443291Z" }
5de457
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 120, "completion_tokens": 310 }, "timestamp": "2026-02-15T19:22:55.205Z", "answer": 79754 }, {...
1
[ { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MAX_DIVISOR", "status": "ok" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "MOD_MUL", "status": ...
{ "lo": -8.26, "mid": -5.01, "hi": -1.76 }
398d42
antilemma_coprime_grid_v1_677425708_553
Compute the number of ordered pairs $(i, j)$ of positive integers with $1 \leq i \leq 50$ and $1 \leq j \leq 139$ such that $\gcd(i, j) = \phi(2)$, where $\phi$ denotes Euler's totient function.
4,292
graphs = [ Graph( let={ "x": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=Eq(GCD(a=Var("i"), b=Var("j")), EulerPhi(n=Const(2))), domain=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(50)), right=IntegerRange(start=Const(1), end=Const(139))))), ...
NT
COMB
COMPUTE
sympy
COUNT_COPRIME_GRID
[ "COUNT_COPRIME_GRID", "ONE_PHI_2" ]
98ffdc
antilemma_coprime_grid_v1
null
3
0
[ "COUNT_COPRIME_GRID", "ONE_PHI_2" ]
2
0.001
2026-02-08T03:35:52.850755Z
{ "verified": true, "answer": 4292, "timestamp": "2026-02-08T03:35:52.851290Z" }
f0d54d
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 181, "completion_tokens": 5149 }, "timestamp": "2026-02-08T20:45:22.550Z", "answer": 4292 }, { "i...
1
[ { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "ok" }, { "lemma": "DS2", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "ONE_PHI_2", "status": "ok...
{ "lo": -6.51, "mid": -0.31, "hi": 5.43 }
569310
nt_sum_totient_over_divisors_v1_717093673_1156
Let $n = 53037$. Compute the sum of $\phi(d)$ over all positive divisors $d$ of $n$, where $\phi$ denotes Euler's totient function.
53,037
graphs = [ Graph( let={ "n": Const(53037), "result": SumOverDivisors(n=Ref(name='n'), var='d', expr=EulerPhi(n=Var(name='d'))), }, goal=Ref("result"), ) ]
NT
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM/V5", "L3B/V5" ]
9a9e68
nt_sum_totient_over_divisors_v1
null
3
0
[ "L3B", "LIN_FORM", "V5" ]
3
0.086
2026-02-08T15:53:27.796259Z
{ "verified": true, "answer": 53037, "timestamp": "2026-02-08T15:53:27.882469Z" }
7c2b98
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 1, "correct": { "strict": false, "boxed": false, "relaxed": true }, "usage": { "prompt_tokens": 100, "completion_tokens": 731 }, "timestamp": "2026-02-16T06:34:57.804Z", "answer": 60790 }, { "id": 11,...
1
[ { "lemma": "K18", "status": "no" }, { "lemma": "L3B", "status": "ok" }, { "lemma": "L3b", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "V5", "status": "ok_later" }, { ...
{ "lo": -8.26, "mid": -5.01, "hi": -1.76 }
65196d
antilemma_k2_v1_677425708_3593
Let $n = 138$. Compute the value of $$ \sum_{k=1}^{138} \phi(k) \left\lfloor \frac{138}{k} \right\rfloor, $$ where $\phi$ denotes Euler's totient function.
9,591
graphs = [ Graph( let={ "_n": Const(138), "x": Summation(var="k", start=Div(Const(60), Const(60)), end=Const(138), expr=Mul(EulerPhi(n=Var("k")), Floor(Div(Ref("_n"), Var("k"))))), }, goal=Ref("x"), ) ]
NT
COMB
COMPUTE
sympy
IDENTITY_DIV_SELF
[ "IDENTITY_DIV_SELF", "K2" ]
39e678
antilemma_k2_v1
null
7
0
[ "IDENTITY_DIV_SELF", "K2" ]
2
0.001
2026-02-08T05:51:19.444713Z
{ "verified": true, "answer": 9591, "timestamp": "2026-02-08T05:51:19.445570Z" }
daff58
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 99, "completion_tokens": 680 }, "timestamp": "2026-02-12T15:13:32.503Z", "answer": 9591 }, { ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "IDENTITY_DIV_SELF", "status": "ok" }, { "lemma": "K2", "status": "ok" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "V8", "status": "no" }, ...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
b5eeb6
nt_sum_over_divisible_v1_798873815_67
Let $S$ be the set of all ordered pairs $(x, y)$ of positive integers such that $xy = 6350400$. Let $N$ be the minimum value of $x + y$ as $(x, y)$ ranges over $S$. Let $d = \gcd(84, 14)$. Compute the sum of all positive integers $n \leq N$ such that $$ n \equiv \sum_{d'\mid d} \mu(d') \pmod{186}, $$ where $\mu$ denot...
70,308
graphs = [ Graph( let={ "upper": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Mul(Var("x"), Var("y")), Const(6350400)))), expr=Sum(Var("x"), Var("y")))), "divisor": ...
NT
null
SUM
sympy
MOBIUS_COPRIME
[ "MOBIUS_COPRIME", "B3" ]
233389
nt_sum_over_divisible_v1
null
6
0
[ "B3", "MOBIUS_COPRIME" ]
2
0.16
2026-02-08T02:25:37.683669Z
{ "verified": true, "answer": 70308, "timestamp": "2026-02-08T02:25:37.843617Z" }
cec31a
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 238, "completion_tokens": 1883 }, "timestamp": "2026-02-08T18:57:35.549Z", "answer": 70308 }, { "...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MOBIUS_COP...
{ "lo": -1.91, "mid": 1.73, "hi": 4.76 }
09f151_n
geo_count_lattice_rect_v1_601307018_2863
A digital artist creates a pixel grid that is $50$ pixels wide (columns $0$ to $49$) and $b+1$ pixels tall, where $b$ is computed as the sum of powers of two from $2^0$ up to $2^s$, and $s = \sum_{d=1}^{3} \varphi(d) \cdot \lfloor \frac{3}{d} \rfloor$. How many total pixels are in this grid?
6,400
GEOM
GEOM
COUNT
sympy
K2
[ "K2/SUM_GEOM", "IDENTITY_SUB_SELF" ]
6c10f9
geo_count_lattice_rect_v1
null
4
null
[ "IDENTITY_SUB_SELF", "K2", "SUM_GEOM" ]
3
0.002
2026-03-10T03:28:58.092027Z
null
611992
09f151
narrative
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 213, "completion_tokens": 608 }, "timestamp": "2026-03-29T16:52:06.257Z", "answer": 6400 }, { "id...
1
[ { "lemma": "IDENTITY_SUB_SELF", "status": "ok" }, { "lemma": "K2", "status": "ok" }, { "lemma": "SUM_GEOM", "status": "ok_later" } ]
{ "lo": -5.36, "mid": 0.27, "hi": 5.45 }
7f0247_l
comb_catalan_compute_v1_124444284_7563
Let $T$ be the set of all integers $t$ such that $5 \leq t \leq 17$ and there exist positive integers $a$, $b$ with $1 \leq a \leq 3$, $1 \leq b \leq 4$, and $t = 3a + 2b$. Let $n$ be the number of elements in $T$. Let $P$ be the set of all ordered pairs $(i, j)$ of integers with $1 \leq i \leq 10$ and $1 \leq j \leq 1...
58,786
COMB
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM/COUNT_SUM_EQUALS" ]
8a3f7a
comb_catalan_compute_v1
null
6
0
[ "COUNT_SUM_EQUALS", "LIN_FORM" ]
2
0.012
2026-02-08T09:11:28.138218Z
{ "verified": false, "answer": 16796, "timestamp": "2026-02-08T09:11:28.149949Z" }
d3149f
7f0247
legacy_text
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 1, "correct": { "strict": false, "boxed": false, "relaxed": true }, "usage": { "prompt_tokens": 262, "completion_tokens": 9104 }, "timestamp": "2026-02-24T10:53:40.197Z", "answer": 58786 }, { ...
1
[ { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok_later" }, { "lemma": "LIN_FORM", "status": "ok" }, { "le...
{ "lo": 3.25, "mid": 5.68, "hi": 8.81 }
7c5257
nt_max_prime_below_v1_1520064083_5711
Let $S$ be the set of all positive integers $p$ for which there exists a positive integer $q$ such that $pq = 12$, $\gcd(p, q) = 1$, and $p < q$. Let $k = |S|$. Let $P$ be the set of all prime numbers $n$ such that $k \leq n \leq 65536$. Let $p_{\text{max}}$ be the largest element of $P$. Compute the remainder when $44...
43,741
graphs = [ Graph( let={ "_n": Const(44121), "upper": Const(65536), "result": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), CountOverSet(set=SolutionsSet(var=Var("p"), condition=And(IsPositive(arg=Var(name='p')), Exists(var=Var(name='q'), condition=...
NT
null
EXTREMUM
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS" ]
2bb3aa
nt_max_prime_below_v1
null
5
0
[ "COPRIME_PAIRS" ]
1
5.039
2026-02-08T07:33:08.684351Z
{ "verified": true, "answer": 43741, "timestamp": "2026-02-08T07:33:13.723443Z" }
ffb378
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 168, "completion_tokens": 2918 }, "timestamp": "2026-02-13T11:05:01.080Z", "answer": 43741 }, ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "K13", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" } ]
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
37a829
sequence_lucas_compute_v1_1520064083_4745
Let $n$ be the number of ordered pairs $(i,j)$ such that $1 \leq i \leq 4$ and $1 \leq j \leq 5$. Compute the $n$-th Lucas number, where the Lucas numbers are defined by $L_1 = 1$, $L_2 = 3$, and $L_k = L_{k-1} + L_{k-2}$ for $k \geq 3$.
15,127
graphs = [ Graph( let={ "n": CountOverSet(set=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(4)), right=IntegerRange(start=Const(1), end=Const(5)))), "result": Lucas(arg=Ref(name='n')), }, goal=Ref("result"), ) ]
NT
null
COMPUTE
sympy
COUNT_CARTESIAN
[ "COUNT_CARTESIAN" ]
409d7d
sequence_lucas_compute_v1
null
2
0
[ "COUNT_CARTESIAN" ]
1
0.003
2026-02-08T06:25:13.253490Z
{ "verified": true, "answer": 15127, "timestamp": "2026-02-08T06:25:13.256195Z" }
38ccd8
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 142, "completion_tokens": 560 }, "timestamp": "2026-02-12T23:34:55.239Z", "answer": 15127 }, {...
1
[ { "lemma": "COUNT_CARTESIAN", "status": "ok" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V3", "stat...
{ "lo": -9.14, "mid": -6.05, "hi": -3.73 }
348e7e
nt_max_prime_below_v1_677425708_1538
Let $S$ be the set of all positive integers $p$ for which there exists a positive integer $q$ such that $pq = 216$, $\gcd(p, q) = 1$, and $p < q$. Let $m$ be the number of elements in $S$. Let $T$ be the set of all prime numbers $n$ such that $n \geq m$ and $n \leq 25921$. Determine the value of the largest element in ...
25,919
graphs = [ Graph( let={ "upper": Const(25921), "result": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), CountOverSet(set=SolutionsSet(var=Var("p"), condition=And(IsPositive(arg=Var(name='p')), Exists(var=Var(name='q'), condition=And(Eq(left=Mul(Var(name='p'), V...
NT
null
EXTREMUM
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS" ]
2bb3aa
nt_max_prime_below_v1
null
5
0
[ "COPRIME_PAIRS" ]
1
0.591
2026-02-08T04:14:41.513942Z
{ "verified": true, "answer": 25919, "timestamp": "2026-02-08T04:14:42.104963Z" }
0f7d52
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 216, "completion_tokens": 2457 }, "timestamp": "2026-02-10T16:00:34.874Z", "answer": 25919 }, { ...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V5", "status": "no...
{ "lo": -9.14, "mid": -6.05, "hi": -3.73 }
066db2
nt_count_divisible_v1_1742523217_2525
Let $n$ be a positive integer such that $1 \leq n \leq 77841$ and $$n \equiv \sum_{d \mid m} \mu(d) \pmod{18},$$ where $m$ is the greatest prime number satisfying $2 \leq m \leq 19$, and $\mu$ denotes the M\"obius function. Compute the number of such integers $n$.
4,324
graphs = [ Graph( let={ "upper": Const(77841), "divisor": 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"), modulus=Ref("divisor")), SumOverDivisors(n=GCD(a=Const(val...
NT
null
COUNT
sympy
MAX_DIVISOR
[ "MAX_PRIME_BELOW/MOBIUS_COPRIME" ]
35b4c5
nt_count_divisible_v1
null
6
0
[ "MAX_DIVISOR", "MAX_PRIME_BELOW", "MOBIUS_COPRIME" ]
3
4.968
2026-02-08T04:49:58.459736Z
{ "verified": true, "answer": 4324, "timestamp": "2026-02-08T04:50:03.427420Z" }
50b664
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 185, "completion_tokens": 496 }, "timestamp": "2026-02-18T14:00:16.969Z", "answer": 4324 } ]
2
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOBIUS_COPRIME", "status": "ok_later" }, { "lemma": "V1", "st...
{ "lo": -10, "mid": -6.47, "hi": -2.95 }
e5fac8
geo_visible_lattice_v1_784195855_7389
Let $n = 77$. A visible lattice point $(x, y)$ is a point in the first quadrant with integer coordinates such that $1 \le x, y \le n$ and $\gcd(x, y) = 1$. Let $v$ be the number of visible lattice points for this $n$. Let $c = 169$. Compute the remainder when $c - v$ is divided by $54154$.
50,660
graphs = [ Graph( let={ "n": Const(77), "result": VisibleLatticePoints(n=Ref(name='n')), "_c": Const(169), "Q": Mod(value=Sub(Ref("_c"), Ref("result")), modulus=Const(54154)), }, goal=Ref("Q"), ) ]
GEOM
null
COUNT
sympy
[]
geo_visible_lattice_v1
null
3
0
null
null
0.266
2026-02-08T09:14:34.881245Z
{ "verified": true, "answer": 50660, "timestamp": "2026-02-08T09:14:35.147468Z" }
f289df
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 200, "completion_tokens": 32768 }, "timestamp": "2026-02-24T11:02:25.205Z", "answer": null }, { ...
1
[]
{ "lo": 1.15, "mid": 4.18, "hi": 6.61 }
e00ceb
comb_count_surjections_v1_1742523217_4
Let $n$ be the number of ordered pairs $(x_1, x_2)$ of positive odd integers such that $x_1 + x_2 = 14$. Compute $2! \cdot S(n, 2)$, where $S(n, 2)$ denotes the Stirling number of the second kind.
126
graphs = [ Graph( let={ "n": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x1"), Var("x2")]), condition=And(IsPositive(arg=Var(name='x1')), IsPositive(arg=Var(name='x2')), IsOdd(arg=Var(name='x1')), IsOdd(arg=Var(name='x2')), Eq(Sum(Var("x1"), Var("x2")), Const(14))))), "k":...
COMB
null
COUNT
sympy
COMB1
[ "COMB1" ]
567f58
comb_count_surjections_v1
null
4
0
[ "COMB1" ]
1
0.001
2026-02-08T02:50:17.450729Z
{ "verified": true, "answer": 126, "timestamp": "2026-02-08T02:50:17.452026Z" }
c27090
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 183, "completion_tokens": 785 }, "timestamp": "2026-02-08T19:52:48.809Z", "answer": 126 }, { "id"...
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": "V7...
{ "lo": -3.89, "mid": -1.91, "hi": 0.05 }
079306
comb_sum_binomial_row_v1_124444284_6107
Let $n = 12$. Let $T$ be the set of all integers $t$ such that $14 \leq t \leq 16218$ and there exist positive integers $a$, $b$ with $1 \leq a \leq 115$, $1 \leq b \leq 3767$, and $t = 10a + 4b$. Let $k$ be the number of elements in $T$. Compute the remainder when $k \cdot 2^{12}$ is divided by $59965$.
12,859
graphs = [ Graph( let={ "_n": Const(59965), "n": Const(12), "result": Pow(Const(2), Ref("n")), "Q": Mod(value=Mul(CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(nam...
NT
null
SUM
sympy
LIN_FORM
[ "LIN_FORM" ]
3d6396
comb_sum_binomial_row_v1
affine_mod
4
0
[ "LIN_FORM" ]
1
0.001
2026-02-08T08:08:33.507069Z
{ "verified": true, "answer": 12859, "timestamp": "2026-02-08T08:08:33.508217Z" }
ee18b2
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 158, "completion_tokens": 5513 }, "timestamp": "2026-02-13T14:53:36.708Z", "answer": 12859 }, ...
1
[ { "lemma": "L3b", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -3.51, "mid": 1.33, "hi": 6.56 }
b9dd40
sequence_lucas_compute_v1_124444284_7873
Let $n$ be the number of integers $t$ with $7 \leq t \leq 32$ for which there exist positive integers $a \leq 11$ and $b \leq 2$ such that $t = 2a + 5b$. Compute the $n$th Lucas number.
39,603
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=11)), Geq(left=Var(name='b'), right=Const(value=...
NT
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
sequence_lucas_compute_v1
null
3
0
[ "LIN_FORM" ]
1
0.003
2026-02-08T09:24:11.159161Z
{ "verified": true, "answer": 39603, "timestamp": "2026-02-08T09:24:11.162069Z" }
482415
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 113, "completion_tokens": 1546 }, "timestamp": "2026-02-14T04:10:51.168Z", "answer": 39603 }, ...
1
[ { "lemma": "K13", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V1", "status": "no" }, { "lemma": "V5", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
207cf2_n
comb_bell_compute_v1_1218484723_10
A zoo designs enclosures for animals using a $3$-by-$3$ grid of zones, where each zone can house one animal. The zoo staff partitions the $9$ zones into non-empty groups, where each group forms a connected habitat. The number of ways to form such habitats is given by the $9$-th Bell number. Compute the remainder when $...
36,561
COMB
null
COMPUTE
sympy
COUNT_CARTESIAN
[ "COUNT_CARTESIAN" ]
409d7d
comb_bell_compute_v1
null
3
null
[ "COUNT_CARTESIAN" ]
1
0.002
2026-02-25T01:41:20.841279Z
null
3e6a77
207cf2
narrative
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 199, "completion_tokens": 1570 }, "timestamp": "2026-03-30T14:37:40.107Z", "answer": 36561 }, { "...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status":...
{ "lo": -5.37, "mid": 0.23, "hi": 5.22 }
846815
diophantine_product_count_v1_1742523217_3907
Let $S$ be the set of all ordered pairs of positive integers $(x, y)$ such that $xy = 129600$. Let $T$ be the set of all values $x + y$ where $(x, y) \in S$. Let $m$ be the minimum element of $T$. Let $k$ be the largest positive divisor of 527760 that is at most $m$. Now, let $U$ be the set of all positive integers $x$...
4
graphs = [ Graph( let={ "k": MaxOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(1)), Leq(Var("d"), MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Mul(Var(...
NT
null
COUNT
sympy
B3
[ "B3/MAX_DIVISOR" ]
33b851
diophantine_product_count_v1
null
6
0
[ "B3", "MAX_DIVISOR" ]
2
0.006
2026-02-08T06:07:50.499011Z
{ "verified": true, "answer": 4, "timestamp": "2026-02-08T06:07:50.504920Z" }
4a798b
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 188, "completion_tokens": 1645 }, "timestamp": "2026-02-12T20:01:41.830Z", "answer": 4 }, { ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "K14", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_DIVISOR", "status": "ok_later" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" ...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
8b165f
comb_count_derangements_v1_1978505735_2744
Let $p$ and $q$ be positive integers such that $p \cdot q = 5250$, $\gcd(p, q) = 1$, and $p < q$. Let $n$ be the number of such integers $p$. Define $D$ as the number of derangements of $n$ elements, that is, the number of permutations of $n$ elements with no fixed points. Compute the remainder when $44121 \cdot D$ is ...
30,975
graphs = [ Graph( let={ "_n": Const(44121), "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=5250)), Eq(left=GCD(a=Var(name='p'), b=Var(na...
NT
COMB
COUNT
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS" ]
2bb3aa
comb_count_derangements_v1
null
4
0
[ "COPRIME_PAIRS" ]
1
0.004
2026-02-08T17:09:07.402765Z
{ "verified": true, "answer": 30975, "timestamp": "2026-02-08T17:09:07.406338Z" }
476a4e
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": 2742 }, "timestamp": "2026-02-17T20:16:15.226Z", "answer": 30975 }, ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "V3", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
b252c8
lin_form_endings_v1_1918700295_383
Let $a = 30$ and $b = 40$. Let $d = \gcd(a, b)$. Let $k = 17879$ and define $s = k \cdot d$. Compute the remainder when $s$ is divided by $75180$.
28,430
graphs = [ Graph( let={ "a_coeff": Const(30), "b_coeff": Const(40), "_inner_result": GCD(a=Ref("a_coeff"), b=Ref("b_coeff")), "_scale_k": Const(17879), "_scaled": Mul(Ref("_scale_k"), Ref("_inner_result")), "_mod_M": Const(75180), ...
COMB
NT
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
lin_form_endings_v1
null
2
null
[ "LIN_FORM" ]
1
0.001
2026-02-08T03:12:04.682685Z
{ "verified": true, "answer": 28430, "timestamp": "2026-02-08T03:12:04.683213Z" }
eb2098
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 169, "completion_tokens": 296 }, "timestamp": "2026-02-10T13:24:23.555Z", "answer": 28530 }, { ...
1
[ { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "s...
{ "lo": -5.55, "mid": -3.02, "hi": 0.31 }
43b18f
modular_mod_compute_v1_1520064083_6139
Let $m$ be the largest prime number between $2$ and $2111$, inclusive. Compute the remainder when $-120$ is divided by $m$.
1,991
graphs = [ Graph( let={ "_n": Const(2), "a": Const(-120), "m": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Ref("_n")), Leq(Var("n"), Const(2111)), IsPrime(Var("n"))))), "result": Mod(value=Ref("a"), modulus=Ref("m")), }, ...
NT
null
COMPUTE
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW" ]
dc3ad3
modular_mod_compute_v1
null
4
0
[ "MAX_PRIME_BELOW" ]
1
0.003
2026-02-08T07:52:59.187453Z
{ "verified": true, "answer": 1991, "timestamp": "2026-02-08T07:52:59.190234Z" }
6e48f6
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 80, "completion_tokens": 589 }, "timestamp": "2026-02-13T13:22:48.154Z", "answer": 1991 }, { ...
1
[ { "lemma": "K18", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -3.51, "mid": 1.33, "hi": 6.56 }
d3b0b3
comb_catalan_compute_v1_124444284_1269
Let $m = 21$. Define $k$ to be the number of ordered pairs $(i,j)$ of positive integers such that $1 \leq i \leq 20$, $1 \leq j \leq 21$, and $i + j = m$. Define $n$ to be the number of ordered pairs $(x_1, x_2)$ of positive odd integers such that $x_1 + x_2 = k$. Compute the $n$-th Catalan number.
16,796
graphs = [ Graph( let={ "_m": Const(21), "_n": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=Eq(Sum(Var("i"), Var("j")), Ref("_m")), domain=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(20)), right=IntegerRange(start=Const(1), end=Co...
COMB
null
COMPUTE
sympy
COUNT_SUM_EQUALS
[ "COUNT_SUM_EQUALS/COMB1" ]
5b2e59
comb_catalan_compute_v1
null
5
0
[ "COMB1", "COUNT_SUM_EQUALS" ]
2
0.01
2026-02-08T03:48:19.445861Z
{ "verified": true, "answer": 16796, "timestamp": "2026-02-08T03:48:19.456245Z" }
7fdcd0
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 217, "completion_tokens": 791 }, "timestamp": "2026-02-10T05:19:09.584Z", "answer": 16796 }, { "i...
1
[ { "lemma": "COMB1", "status": "ok_later" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "sta...
{ "lo": -4.92, "mid": -2.9, "hi": -0.7 }
58a207
comb_binomial_compute_v1_1978505735_5006
Let $n$ be the smallest possible value of $x + y$ where $x$ and $y$ are positive integers such that $xy = 49$. Let $k = 7$ and let $\binom{n}{k}$ be the binomial coefficient. Compute the remainder when $44702 \cdot \binom{n}{k}$ is divided by $54367$. Find this remainder.
47,957
graphs = [ Graph( let={ "_n": Const(54367), "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(49)))), expr=Sum(Var("x"), Var("y")))), ...
ALG
COMB
COMPUTE
sympy
B3
[ "B3" ]
0cd20d
comb_binomial_compute_v1
null
4
0
[ "B3" ]
1
0.001
2026-02-08T18:44:23.682741Z
{ "verified": true, "answer": 47957, "timestamp": "2026-02-08T18:44:23.684175Z" }
4e44ef
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 127, "completion_tokens": 1765 }, "timestamp": "2026-02-18T18:53:17.047Z", "answer": 47957 }, ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": -3.12, "mid": 1.47, "hi": 6.57 }
f9d2ae
antilemma_v8_lucas_1248542787_223
Determine the number of nonnegative integers $j$ such that $0 \le j \le 98287$ and $\binom{98287}{j}$ is odd.
32,768
graphs = [ Graph( let={ "x": CountOverSet(set=SolutionsSet(var=Var("j"), condition=And(Geq(Var("j"), Const(0)), Leq(Var("j"), Const(98287)), Eq(Mod(value=Binom(n=Const(98287), k=Var("j")), modulus=Const(2)), Const(1))), domain='nonnegative_integers')), }, goal=Ref("x"), ) ]
NT
COMB
COMPUTE
sympy
V8
[ "V8" ]
86348e
antilemma_v8_lucas
null
6
0
[ "V8" ]
1
0.001
2026-02-08T03:01:32.846646Z
{ "verified": true, "answer": 32768, "timestamp": "2026-02-08T03:01:32.847160Z" }
8b96d8
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 150, "completion_tokens": 1154 }, "timestamp": "2026-02-09T01:32:44.824Z", "answer": 32768 }, { "...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "ok" } ]
{ "lo": -6.51, "mid": -0.31, "hi": 5.43 }
153f85
nt_count_digit_sum_v1_151522320_548
Let $ N $ be the number of positive integers $ n $ such that $ n \leq 32041 $ and the sum of the decimal digits of $ n $ is equal to 27. Let $ m = |N| $. Find the smallest integer $ d \geq 2 $ such that $ d $ divides 224939, and compute the $ m \mod d $-th Bell number. Determine the value of this Bell number.
203
graphs = [ Graph( let={ "_n": Const(2), "upper": Const(32041), "target_sum": Const(27), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("upper")), Eq(DigitSum(Var("n")), Ref("target_sum"))))), ...
NT
COMB
COUNT
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR" ]
58d7e9
nt_count_digit_sum_v1
bell_mod
4
0
[ "MIN_PRIME_FACTOR" ]
1
1.442
2026-02-08T03:22:25.620798Z
{ "verified": true, "answer": 203, "timestamp": "2026-02-08T03:22:27.062351Z" }
859a5e
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": 4539 }, "timestamp": "2026-02-10T13:26:23.680Z", "answer": 203 }, { "i...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "MOD_MUL", "status": ...
{ "lo": -3.42, "mid": 1.86, "hi": 7.55 }
4df1a7
sequence_count_fib_divisible_v1_124444284_10138
Let $S$ be the set of all positive integers $t$ such that $8 \le t \le 870$ and $t = 3a + 5b$ for some positive integers $a$, $b$ with $1 \le a \le 190$ and $1 \le b \le 60$. Let $u$ be the number of elements in $S$. Let $d$ be the smallest divisor of $323$ that is at least $2$. Determine the number of positive integer...
95
graphs = [ Graph( let={ "_n": Const(323), "upper": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=190)), Geq(lef...
NT
null
COUNT
sympy
COPRIME_PAIRS
[ "MIN_PRIME_FACTOR", "LIN_FORM" ]
41af5a
sequence_count_fib_divisible_v1
null
6
0
[ "COPRIME_PAIRS", "LIN_FORM", "MIN_PRIME_FACTOR" ]
3
0.182
2026-02-08T12:50:28.502907Z
{ "verified": true, "answer": 95, "timestamp": "2026-02-08T12:50:28.685018Z" }
698402
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 186, "completion_tokens": 4342 }, "timestamp": "2026-02-15T06:28:52.097Z", "answer": 95 }, { ...
1
[ { "lemma": "K16", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "MIN_PRI...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
b1772a
nt_count_divisors_in_range_v1_1918700295_2464
Let $n = 55440$, $a = 62$, and $b$ be the minimum value of $x + y$ over all ordered pairs $(x, y)$ of positive integers such that $xy = 1929321$. Compute the number of positive divisors $d$ of $n$ such that $a \leq d \leq b$.
71
graphs = [ Graph( let={ "n": Const(55440), "a": Const(62), "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")), Const(1929321)))), ...
NT
null
COUNT
sympy
B3
[ "B3" ]
0cd20d
nt_count_divisors_in_range_v1
null
6
0
[ "B3" ]
1
0.163
2026-02-08T07:54:18.361162Z
{ "verified": true, "answer": 71, "timestamp": "2026-02-08T07:54:18.524268Z" }
a37f88
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": 4040 }, "timestamp": "2026-02-13T13:14:50.764Z", "answer": 71 }, { ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "K16", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
10bc1c
antilemma_k2_v1_1874849503_552
Let $n = 172$. Define $$x = \sum_{k=1}^{172} \phi(k) \left\lfloor \frac{172}{k} \right\rfloor,$$ where $\phi(k)$ denotes Euler's totient function. Let $Q$ be the Bell number $B_r$, where $r$ is the remainder when $|x|$ is divided by $11$. Compute $Q$.
203
graphs = [ Graph( let={ "_n": Const(172), "x": Summation(var="k", start=Const(1), end=Const(172), expr=Mul(EulerPhi(n=Var("k")), Floor(Div(Ref("_n"), Var("k"))))), "Q": Bell(Mod(value=Abs(arg=Ref(name='x')), modulus=Const(11))), }, goal=Ref("Q"), ) ]
NT
COMB
COMPUTE
sympy
SUM_INDEPENDENT
[ "K2" ]
6897ab
antilemma_k2_v1
null
6
0
[ "K2", "SUM_INDEPENDENT" ]
2
0.053
2026-02-08T13:09:48.819387Z
{ "verified": true, "answer": 203, "timestamp": "2026-02-08T13:09:48.872686Z" }
cfd4d3
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 200, "completion_tokens": 547 }, "timestamp": "2026-02-09T18:22:30.440Z", "answer": 203 }, { "id"...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "K5", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "V1", "status": "no" } ]
{ "lo": -5.15, "mid": 0.12, "hi": 6.12 }
bf0bd7
diophantine_fbi2_min_v1_865884756_2288
Let $k = 180$, $a = 3$, $b = 4$, and $u = 190$. Determine the smallest positive integer $d$ such that $4 \le d \le u$, $d$ divides $k$, and $\frac{k}{d} \ge 5$. Compute this value of $d$.
4
graphs = [ Graph( let={ "k": Const(180), "a": Const(3), "b": Const(4), "upper": Const(190), "result": MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(4)), Leq(Var("d"), Ref("upper")), Divides(divisor=Var("d"), dividend=R...
NT
null
EXTREMUM
sympy
COPRIME_PAIRS
[ "B3/COUNT_FIB_DIVISIBLE" ]
9b7a57
diophantine_fbi2_min_v1
null
3
0
[ "B3", "COPRIME_PAIRS", "COUNT_FIB_DIVISIBLE" ]
3
0.069
2026-02-08T16:40:45.069453Z
{ "verified": true, "answer": 4, "timestamp": "2026-02-08T16:40:45.138036Z" }
88391e
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 1, "correct": { "strict": false, "boxed": false, "relaxed": true }, "usage": { "prompt_tokens": 133, "completion_tokens": 367 }, "timestamp": "2026-02-16T07:42:54.208Z", "answer": 36 }, { "id": 11, ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "ok_later" }, { "lemma": "K15", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { ...
{ "lo": -8.26, "mid": -5.01, "hi": -1.76 }
bdad39
antilemma_sum_equals_v1_1431428450_472
Let $m = 180$. Define $n$ to be the number of ordered pairs $(x_1, x_2)$ of positive odd integers such that $x_1 + x_2 = m$. Let $x$ be the number of ordered pairs $(i, j)$ of positive integers such that $i + j = n$, $1 \leq i \leq 89$, and $1 \leq j \leq 90$. Compute $$ x + \varphi(|x| + 1) + \tau(|x| + 1), $$where $\...
125
graphs = [ Graph( let={ "_m": Const(180), "_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")), ...
COMB
GEOM
COMPUTE
sympy
LIN_FORM
[ "COMB1/COUNT_SUM_EQUALS", "COUNT_SUM_EQUALS" ]
3e1adf
antilemma_sum_equals_v1
null
6
0
[ "COMB1", "COUNT_SUM_EQUALS", "LIN_FORM" ]
3
0.086
2026-02-08T13:28:37.774388Z
{ "verified": true, "answer": 125, "timestamp": "2026-02-08T13:28:37.860394Z" }
11cd60
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 260, "completion_tokens": 1649 }, "timestamp": "2026-02-24T18:27:17.533Z", "answer": 125 }, { "id...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COMB1", "status": "ok" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "V7", "status":...
{ "lo": -5.97, "mid": -3.97, "hi": -1.93 }
36b180
alg_qf_psd_min_v1_1218484723_719
Let $Q$ be the minimum value of the expression $$126280bc + 104181a^2 - 195734ab + 119966b^2 - 119966ac + 59983c^2$$ over all positive integers $a, b, c$ with $1 \leq a, c \leq 41$ and $1 \leq b \leq \left| \left\{ v \in [16,1936] : \exists\, a,b \in [1,11]^2 \text{ such that } 9b^2 + 6ab + a^2 = v \right\} \right|$. F...
91,553
graphs = [ Graph( let={ "_n": Const(2), "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(41)), Geq(Var("b"), Const(1)), Leq(Var("b"), CountOverSet(set=SolutionsSet(var=V...
ALG
null
COMPUTE
sympy
QF_PSD_DISTINCT
[ "QF_PSD_DISTINCT" ]
a8f9cb
alg_qf_psd_min_v1
null
6
0
[ "QF_PSD_DISTINCT" ]
1
0.161
2026-02-25T02:27:50.711589Z
{ "verified": true, "answer": 91553, "timestamp": "2026-02-25T02:27:50.872139Z" }
4e61c8
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 256, "completion_tokens": 32768 }, "timestamp": "2026-03-10T01:04:01.908Z", "answer": null }, { ...
1
[ { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "QF_PSD_DISTINCT", "status": "ok" } ]
{ "lo": 2.74, "mid": 4.78, "hi": 6.68 }
6cd066
nt_sum_totient_over_divisors_v1_1439011603_2024
Let $n$ be the number of integers $t$ such that $18 \leq t \leq 11822$ and there exist positive integers $a$ and $b$ with $1 \leq a \leq 455$, $1 \leq b \leq 909$, and $t = 10a + 8b$. Compute the sum of $\phi(d)$ over all positive divisors $d$ of $n$, where $\phi$ denotes Euler's totient function.
5,891
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=455)), Geq(left=Var(name='b'), right=Const(value...
NT
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
nt_sum_totient_over_divisors_v1
null
4
0
[ "LIN_FORM" ]
1
0.008
2026-02-08T16:28:11.895946Z
{ "verified": true, "answer": 5891, "timestamp": "2026-02-08T16:28:11.903739Z" }
1a9ea0
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 146, "completion_tokens": 5610 }, "timestamp": "2026-02-17T04:05:24.117Z", "answer": 5891 }, {...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V3", "status": "no" ...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
dec326
nt_count_gcd_equals_v1_971394319_1097
Let $k$ be the minimum value of $x + y$ over all pairs of positive integers $(x, y)$ such that $xy = 2601$. Compute the number of positive integers $n$ with $1 \leq n \leq 32041$ such that $\gcd(n, k) = 3$.
5,026
graphs = [ Graph( let={ "_n": Const(2601), "upper": Const(32041), "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")), Ref("_n"))))...
NT
null
COUNT
sympy
B3
[ "B3" ]
0cd20d
nt_count_gcd_equals_v1
null
5
0
[ "B3" ]
1
3.041
2026-02-08T13:29:52.837418Z
{ "verified": true, "answer": 5026, "timestamp": "2026-02-08T13:29:55.878363Z" }
d291e5
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 114, "completion_tokens": 1264 }, "timestamp": "2026-02-15T16:31:53.146Z", "answer": 5026 }, {...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "V3", "status": "no" } ]
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
05a3ec
alg_poly_orbit_hensel_v1_601307018_3464
For a non-negative integer $a$, define $N = (2a^4 + 3a^3 + a^2) \bmod 961$, $M = (2N^4 + 3N^3 + N^2) \bmod 961$, and $R = (2M^4 + 3M^3 + M^2) \bmod 961$. Find the number of integers $a$ with $0 \le a \le 1897013$ such that $R = a$, $N \ne a$, and $M \ne a$.
5,922
graphs = [ Graph( let={ "p1": Mod(value=Sum(Mul(Const(2), Pow(Var("a"), Const(4))), Mul(Const(3), Pow(Var("a"), Const(3))), Pow(Var("a"), Const(2))), modulus=Const(961)), "p2": Mod(value=Sum(Mul(Const(2), Pow(Ref("p1"), Const(4))), Mul(Const(3), Pow(Ref("p1"), Const(3))), Pow(Ref("p1...
ALG
null
COUNT
sympy
POLY_ORBIT_COUNT
[ "POLY_ORBIT_COUNT" ]
4ad965
alg_poly_orbit_hensel_v1
null
6
null
[ "POLY_ORBIT_COUNT" ]
1
0.097
2026-03-10T04:04:44.981986Z
{ "verified": true, "answer": 5922, "timestamp": "2026-03-10T04:04:45.079236Z" }
06e750
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 236, "completion_tokens": 8053 }, "timestamp": "2026-03-29T08:47:31.893Z", "answer": 3 }, { "i...
0
[ { "lemma": "POLY_ORBIT_COUNT", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": 3.34, "mid": 5.77, "hi": 8.89 }
26e8a8
nt_sum_divisors_mod_v1_124444284_6158
Let $S$ be the set of all integers $t$ such that $28 \leq t \leq 1725$ and there exist positive integers $a \leq 112$ and $b \leq 180$ satisfying $t = 4a + 7b + 17$. Let $n$ be the number of elements in $S$. Let $\sigma$ be the sum of all positive divisors of $n$. Compute the remainder when $\sigma$ is divided by $1144...
40,680
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=112)), Geq(left=Var(name='b'), right=Const(value...
NT
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
nt_sum_divisors_mod_v1
null
6
0
[ "LIN_FORM" ]
1
0.002
2026-02-08T08:10:38.966653Z
{ "verified": true, "answer": 40680, "timestamp": "2026-02-08T08:10:38.968643Z" }
7db66f
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 170, "completion_tokens": 6154 }, "timestamp": "2026-02-13T15:33:24.348Z", "answer": 40680 }, ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
46f129_n
alg_sym_quad_system_v1_1218484723_1792
Three types of solar panels generate power levels $a$, $b$, and $c$, each a positive integer. Their efficiency is maximized when $a^2 + b^2 + c^2 = ab + bc + ca$, and their combined installation cost is fixed at $4a + 7b + 9c = 9200$ dollars. The total energy output is $a^3 + b^3 + c^3$. The system must also route data...
1,536
ALG
null
COMPUTE
sympy
B3
[ "B3" ]
0cd20d
alg_sym_quad_system_v1
null
6
null
[ "B3" ]
1
0.026
2026-02-25T03:26:44.920887Z
null
7732c0
46f129
narrative
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 256, "completion_tokens": 1554 }, "timestamp": "2026-03-30T17:18:20.990Z", "answer": 1536 }, { "i...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": -5.37, "mid": 0.23, "hi": 5.22 }
520afb
diophantine_fbi2_min_v1_1439011603_1773
Let $m = 190$. Let $A$ be the set of all positive integers $k_1$ such that $1 \le k_1 \le 45600$ and $m$ divides $k_1$. Let $B$ be the set of all positive integers $d$ such that $1 \le d \le |A|$ and $d$ divides $61680$. Let $d_{\text{max}}$ be the largest element of $B$. Let $C$ be the set of all positive integers $n$...
4
graphs = [ Graph( let={ "_m": Const(190), "_n": Const(3), "k": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), MaxOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(1)), Leq(Var("d"), CountOverSet(set=...
NT
null
EXTREMUM
sympy
C4
[ "C2/MAX_DIVISOR/COUNT_FIB_DIVISIBLE" ]
cb7cd5
diophantine_fbi2_min_v1
null
7
0
[ "C2", "C4", "COUNT_FIB_DIVISIBLE", "MAX_DIVISOR" ]
4
0.032
2026-02-08T16:16:51.074743Z
{ "verified": true, "answer": 4, "timestamp": "2026-02-08T16:16:51.106685Z" }
fcc6a0
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 243, "completion_tokens": 1739 }, "timestamp": "2026-02-17T00:38:44.248Z", "answer": 4 }, { ...
1
[ { "lemma": "C2", "status": "ok" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "ok_later" }, { "lemma": "K13", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "MAX_DIVISOR", "status": "ok_later" ...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
5e28a8
modular_sum_quadratic_residues_v1_1874849503_761
Let $p$ be the largest prime number less than or equal to 520. Define $c = 13924$ and let $$ Q = (c - \frac{p(p-1)}{4}) \mod 50500. $$ Find the value of $Q$.
50,281
graphs = [ Graph( let={ "_n": Const(520), "p": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Ref("_n")), IsPrime(Var("n"))))), "result": Div(Mul(Ref("p"), Sub(Ref("p"), Const(1))), Const(4)), "_c": Const(13924),...
NT
null
SUM
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW" ]
dc3ad3
modular_sum_quadratic_residues_v1
null
4
0
[ "MAX_PRIME_BELOW" ]
1
0.002
2026-02-08T13:18:14.993569Z
{ "verified": true, "answer": 50281, "timestamp": "2026-02-08T13:18:14.995069Z" }
70b9b3
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 171, "completion_tokens": 2597 }, "timestamp": "2026-02-09T20:40:27.983Z", "answer": 50281 }, { "...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" ...
{ "lo": -5.15, "mid": 0.12, "hi": 6.12 }
8c8605
algebra_vieta_sum_v1_124444284_911
Let $S$ be the set of all real numbers $x$ such that $$ 2x^3 + 16x^2 - 38x + 20 = 0. $$ Let $P$ be the product of all elements of $S$. Compute the remainder when $44121 \cdot P$ is divided by 66166.
21,952
graphs = [ Graph( let={ "result": ProductOverSet(set=SolutionsSet(var=Var(name='x'), condition=Eq(left=Sum(Mul(Const(value=2), Pow(base=Var(name='x'), exp=Const(value=3))), Mul(Const(value=16), Pow(base=Var(name='x'), exp=Const(value=2))), Mul(Const(value=-38), Var(name='x')), Const(value=20)), ...
NT
null
COMPUTE
sympy
BINOMIAL_ALTERNATING
[ "BINOMIAL_ALTERNATING" ]
c21569
algebra_vieta_sum_v1
null
4
0
[ "BINOMIAL_ALTERNATING" ]
1
0.023
2026-02-08T03:35:50.254035Z
{ "verified": true, "answer": 21952, "timestamp": "2026-02-08T03:35:50.276928Z" }
748f49
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 184, "completion_tokens": 922 }, "timestamp": "2026-02-09T23:47:44.216Z", "answer": 21952 }, { "i...
1
[ { "lemma": "BINOMIAL_ALTERNATING", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -5.55, "mid": -3.02, "hi": 0.31 }
2e7858
comb_sum_binomial_row_v1_1440796553_528
Let $n$ be the number of positive integers $k$ not exceeding $390$ such that $20$ divides the $k$-th Fibonacci number. Compute $2^n$. Let $c = 76433$ and $m = 58876$. Find the remainder when $c \cdot 2^n$ is divided by $m$.
51,752
graphs = [ Graph( let={ "_n": Const(58876), "n": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Const(390)), Divides(divisor=Const(20), dividend=Fibonacci(arg=Var(name='n')))))), "result": Pow(Const(2), Ref("n")), ...
ALG
NT
SUM
sympy
COUNT_FIB_DIVISIBLE
[ "COUNT_FIB_DIVISIBLE" ]
66de3c
comb_sum_binomial_row_v1
null
6
0
[ "COUNT_FIB_DIVISIBLE" ]
1
0.001
2026-02-08T11:50:43.244942Z
{ "verified": true, "answer": 51752, "timestamp": "2026-02-08T11:50:43.246084Z" }
8fc015
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 118, "completion_tokens": 1937 }, "timestamp": "2026-02-14T19:25:23.795Z", "answer": 51752 }, ...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "ok" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "MOD_SUB",...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
15b71e
nt_num_divisors_compute_v1_1742523217_3184
Let $n = 2304$. Compute the number of positive divisors of $n$.
27
graphs = [ Graph( let={ "n": Const(2304), "result": NumDivisors(n=Ref("n")), }, goal=Ref("result"), ) ]
NT
null
COMPUTE
sympy
MOBIUS_COPRIME
[ "B3/VIETA_SUM/B3/MAX_PRIME_BELOW" ]
c36cfc
nt_num_divisors_compute_v1
null
2
0
[ "B3", "MAX_PRIME_BELOW", "MOBIUS_COPRIME", "VIETA_SUM" ]
4
0.036
2026-02-08T05:42:45.467813Z
{ "verified": true, "answer": 27, "timestamp": "2026-02-08T05:42:45.504084Z" }
e7e6f7
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": 387 }, "timestamp": "2026-02-12T12:36:48.566Z", "answer": 27 }, { ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "L3b", "status": "no" }, ...
{ "lo": -7.01, "mid": -4.68, "hi": -2.15 }
3a0334
antilemma_k3_v1_458359167_1890
Let $x$ be the sum of $\phi(d)$ over all positive divisors $d$ of $49452$, where $\phi$ denotes Euler's totient function. Compute the remainder when $77159 \cdot x$ is divided by $75627$.
57,837
graphs = [ Graph( let={ "x": SumOverDivisors(n=Const(value=49452), var='d', expr=EulerPhi(n=Var(name='d'))), "Q": Mod(value=Mul(Const(77159), Ref("x")), modulus=Const(75627)), }, goal=Ref("Q"), ) ]
NT
COMB
COMPUTE
sympy
K3
[ "K3" ]
54c41e
antilemma_k3_v1
null
3
0
[ "K3" ]
1
0.001
2026-02-08T04:55:28.657977Z
{ "verified": true, "answer": 57837, "timestamp": "2026-02-08T04:55:28.658494Z" }
304148
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 165, "completion_tokens": 2083 }, "timestamp": "2026-02-11T22:27:16.996Z", "answer": 57837 }, { "...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K3", "status": "ok" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -3.45, "mid": 1.15, "hi": 6.18 }
b1f3b2
geo_count_lattice_rect_v1_2051736721_5128
Compute the number of lattice points in the rectangle $[0, 300] \times [0, 134]$, including the boundary. Find the value of $70000$ minus this number.
29,365
graphs = [ Graph( let={ "a": Const(300), "b": Const(134), "result": LatticePointsRect(a=Ref(name='a'), b=Ref(name='b')), "Q": Sub(Const(70000), Ref("result")), }, goal=Ref("Q"), ) ]
GEOM
null
COUNT
sympy
[]
geo_count_lattice_rect_v1
null
3
0
null
null
0.001
2026-02-08T18:22:47.292332Z
{ "verified": true, "answer": 29365, "timestamp": "2026-02-08T18:22:47.293658Z" }
0444a3
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 88, "completion_tokens": 491 }, "timestamp": "2026-02-24T23:50:42.547Z", "answer": 29365 }, { ...
1
[]
{ "lo": -8.48, "mid": -5.37, "hi": -3.03 }
b33e0a
sequence_count_fib_divisible_v1_784195855_3404
Let $d$ be the largest prime number $n$ such that $2 \leq n \leq 18$. Compute the number of positive integers $n \leq 497$ for which $d$ divides the $n$-th Fibonacci number. Let $Q = 512$ minus this number. Find the value of $Q$.
457
graphs = [ Graph( let={ "_n": Const(2), "upper": Const(497), "d": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Ref("_n")), Leq(Var("n"), Const(18)), IsPrime(Var("n"))))), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=...
NT
null
COUNT
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW" ]
dc3ad3
sequence_count_fib_divisible_v1
null
5
0
[ "MAX_PRIME_BELOW" ]
1
0.023
2026-02-08T06:24:47.488006Z
{ "verified": true, "answer": 457, "timestamp": "2026-02-08T06:24:47.510738Z" }
a97b7e
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 116, "completion_tokens": 2100 }, "timestamp": "2026-02-13T00:01:20.347Z", "answer": 457 }, { ...
1
[ { "lemma": "K13", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "V5", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
1b7da8
lin_form_endings_v1_1742523217_5704
Let $a = 36$ and $b = 48$. Compute the greatest common divisor of $a$ and $b$, multiply it by $14977$, and find the remainder when the result is divided by $96129$. Compute the value of this remainder.
83,595
graphs = [ Graph( let={ "a_coeff": Const(36), "b_coeff": Const(48), "_inner_result": GCD(a=Ref("a_coeff"), b=Ref("b_coeff")), "_scale_k": Const(14977), "_scaled": Mul(Ref("_scale_k"), Ref("_inner_result")), "_mod_M": Const(96129), ...
COMB
NT
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
lin_form_endings_v1
null
2
null
[ "LIN_FORM" ]
1
0.001
2026-02-08T11:11:38.042650Z
{ "verified": true, "answer": 83595, "timestamp": "2026-02-08T11:11:38.043173Z" }
d76bb3
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 121, "completion_tokens": 348 }, "timestamp": "2026-02-15T21:09:19.587Z", "answer": 83595 }, { "id": 11, ...
2
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status": "no" ...
{ "lo": -9.12, "mid": -6.02, "hi": -3.62 }
aa38b9
nt_count_squarefree_v1_1248542787_108
Let $d(n)$ denote the number of positive divisors of $n$. The M\"obius function $\mu(n)$ is defined as follows: $\mu(n) = 0$ if $n$ has a squared prime factor; otherwise, $\mu(n) = (-1)^k$ where $k$ is the number of distinct prime factors of $n$. Let $g = \gcd(12, 25)$. Compute the number of integers $n$ such that $\mu...
43,993
graphs = [ Graph( let={ "upper": Const(72361), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), SumOverDivisors(n=GCD(a=Const(value=12), b=Const(value=25)), var='d', expr=MoebiusMu(n=Var(name='d')))), Leq(Var("n"), Ref("upper")), Eq(Mul(MoebiusMu(n=Va...
NT
null
COUNT
sympy
MOBIUS_COPRIME
[ "MOBIUS_COPRIME" ]
ac54ac
nt_count_squarefree_v1
null
5
0
[ "MOBIUS_COPRIME" ]
1
17.506
2026-02-08T02:57:16.314478Z
{ "verified": true, "answer": 43993, "timestamp": "2026-02-08T02:57:33.820151Z" }
4cbe16
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 254, "completion_tokens": 4363 }, "timestamp": "2026-02-09T12:42:43.367Z", "answer": 43990 }, { ...
0
[ { "lemma": "K17", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOBIUS_COPRIME", "status": "ok" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "V5", "status": "no" } ]
{ "lo": 3.31, "mid": 6.77, "hi": 10 }
20e1ff
algebra_poly_eval_v1_601307018_8951
Let $t$ be the number of integers $v$ in the range $16 \leq v \leq S$ such that $v = 32a^2 + b^2 - 8ab$ for some integers $a, b$ with $1 \leq a, b \leq 5$, where $$S = \left|\{ (a, b) \in \mathbb{Z}^2 : 1 \leq a, b \leq 40,\ 25b^2 - 18ab + 10a^2 \leq 9370 \}\right|.$$ Let $R = 9t^2 + 7t + 7$. Find the remainder when $4...
49,151
graphs = [ Graph( let={ "_m": Const(40), "_n": Const(44121), "t": CountOverSet(set=SolutionsSet(var=Var("v"), condition=And(Geq(Var("v"), Const(16)), Leq(Var("v"), CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b")]), condition=And(Geq(Var("a"), Const(1)...
ALG
null
COMPUTE
sympy
QF_PSD_COUNT_LEQ
[ "QF_PSD_COUNT_LEQ/QF_PSD_DISTINCT" ]
0cf842
algebra_poly_eval_v1
null
6
0
[ "QF_PSD_COUNT_LEQ", "QF_PSD_DISTINCT" ]
2
0.006
2026-03-10T09:23:13.179813Z
{ "verified": true, "answer": 49151, "timestamp": "2026-03-10T09:23:13.185697Z" }
f1fcda
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 275, "completion_tokens": 9579 }, "timestamp": "2026-04-19T10:14:34.887Z", "answer": 49151 }, { ...
1
[ { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "QF_PSD_COUNT_LEQ", "status": "ok" }, { "lemma": "QF_PSD_DISTINCT", "status": "ok_later" } ]
{ "lo": -5.34, "mid": 1.1, "hi": 7.53 }
fd40d6
nt_count_digit_sum_v1_124444284_4333
Let $T$ be the set of all integers $t$ such that $7 \leq t \leq 10009$ and there exist positive integers $a \leq 1333$ and $b \leq 1672$ satisfying $t = 5a + 2b$. Let $u$ be the number of positive integers $n \leq |T|$ such that the sum of the decimal digits of $n$ is 19. Let $d$ be the number of digits in $u$. Compute...
13,074
graphs = [ Graph( let={ "upper": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=1333)), Geq(left=Var(name='b'), right=Const(...
COMB
null
COUNT
sympy
BINOMIAL_ALTERNATING
[ "BINOMIAL_ALTERNATING", "LIN_FORM" ]
10f694
nt_count_digit_sum_v1
null
6
0
[ "BINOMIAL_ALTERNATING", "LIN_FORM" ]
2
0.537
2026-02-08T05:55:23.528449Z
{ "verified": true, "answer": 13074, "timestamp": "2026-02-08T05:55:24.064987Z" }
61761f
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 1, "correct": { "strict": false, "boxed": false, "relaxed": true }, "usage": { "prompt_tokens": 267, "completion_tokens": 32768 }, "timestamp": "2026-02-24T04:57:01.506Z", "answer": null }, { ...
1
[ { "lemma": "BINOMIAL_ALTERNATING", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "...
{ "lo": 1.97, "mid": 4.36, "hi": 6.69 }
a58e8b
nt_count_divisors_in_range_v1_865884756_3032
Let $n = 1680$, $a = 5$, and $b = 86$. Define $r$ to be the number of positive divisors of $n$ that are at least $a$ and at most $b$. Let $s$ be the sum of all real solutions $x$ to the equation $x^2 - 3001x + 202308 = 0$. Compute the value of $$ mod{r}{307} + s \cdot \left(\nmod{r}{317}\right).$$
69,046
graphs = [ Graph( let={ "_n": Const(317), "n": Const(1680), "a": Const(5), "b": Const(86), "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(...
NT
null
COUNT
sympy
VIETA_SUM
[ "VIETA_SUM" ]
805c31
nt_count_divisors_in_range_v1
two_moduli
5
0
[ "VIETA_SUM" ]
1
0.007
2026-02-08T17:07:36.163084Z
{ "verified": true, "answer": 69046, "timestamp": "2026-02-08T17:07:36.170369Z" }
98641a
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": 1375 }, "timestamp": "2026-02-17T19:52:20.685Z", "answer": 69046 }, ...
1
[ { "lemma": "K15", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "V3", "status": "no" }, { "lemma": "VIETA_SUM", "status": "ok" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
71cc91
modular_sum_quadratic_residues_v1_153355830_1744
Let $p = 373$ and define $r = \frac{p(p-1)}{4}$. Let $c$ be the number of positive integers $n$ such that $1 \leq n \leq 23312$, $4$ divides $n$, and $\gcd(n, 35) = 1$. Compute the remainder when $c \cdot r$ is divided by $93236$.
10,001
graphs = [ Graph( let={ "_n": Const(4), "p": Const(373), "result": Div(Mul(Ref("p"), Sub(Ref("p"), Const(1))), Const(4)), "_c": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Const(23312)), Divides(divisor=Ref(...
NT
null
SUM
sympy
C5
[ "C5" ]
833638
modular_sum_quadratic_residues_v1
affine_mod
4
0
[ "C5" ]
1
0.003
2026-02-08T06:35:44.915039Z
{ "verified": true, "answer": 10001, "timestamp": "2026-02-08T06:35:44.917569Z" }
e2b820
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": 1317 }, "timestamp": "2026-02-13T02:26:52.657Z", "answer": 10001 }, ...
1
[ { "lemma": "C5", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "LTE_SUM", ...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
d4beb6
nt_count_gcd_equals_v1_1440796553_1476
Let $u = 23716$. Define $k$ to be the number of positive integers $n$ such that $1 \leq n \leq 889$ and $\gcd(n, 6) = 1$. Compute $20000$ minus the number of positive integers $n$ such that $1 \leq n \leq u$ and $\gcd(n, k) = 1$.
5,627
graphs = [ Graph( let={ "upper": Const(23716), "k": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Const(889)), Eq(GCD(a=Var("n"), b=Const(6)), Const(1))))), "d": Const(1), "result": CountOverSet(set=SolutionsS...
NT
null
COUNT
sympy
C4
[ "C4" ]
08d162
nt_count_gcd_equals_v1
null
4
0
[ "C4" ]
1
2.372
2026-02-08T14:01:45.181906Z
{ "verified": true, "answer": 5627, "timestamp": "2026-02-08T14:01:47.554315Z" }
4dd0ec
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": 1133 }, "timestamp": "2026-02-15T23:00:45.756Z", "answer": 5627 }, {...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "C4", "status": "ok" }, { "lemma": "K17", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V1", "status": "no" } ]
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
3e86c7
nt_count_divisible_v1_971394319_1649
Let $S$ be the set of all positive integers $p$ for which there exists a positive integer $q > p$ such that $pq = 160083000$ and $\gcd(p, q) = 1$. Let $d$ be the number of elements in $S$. Let $N$ be the number of positive integers $n$ such that $1 \leq n \leq 67600$ and $n$ is divisible by $d$. Find the remainder when...
75,102
graphs = [ Graph( let={ "upper": Const(67600), "divisor": CountOverSet(set=SolutionsSet(var=Var("p"), condition=And(IsPositive(arg=Var(name='p')), Exists(var=Var(name='q'), condition=And(Eq(left=Mul(Var(name='p'), Var(name='q')), right=Const(value=160083000)), Eq(left=GCD(a=Var(name=...
NT
null
COUNT
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS" ]
2bb3aa
nt_count_divisible_v1
null
6
0
[ "COPRIME_PAIRS" ]
1
4.982
2026-02-08T13:47:28.212052Z
{ "verified": true, "answer": 75102, "timestamp": "2026-02-08T13:47:33.194070Z" }
8a32fa
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": 1905 }, "timestamp": "2026-02-15T21:05:15.898Z", "answer": 75102 }, ...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "V5", "status": "no...
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
790151
nt_max_prime_below_v1_1918700295_2877
Let $S$ be the set of all positive integers $p$ for which there exist positive integers $q$ such that $pq = 36$, $\gcd(p, q) = 1$, and $p < q$. Let $m$ be the number of elements in $S$. Define $T$ to be the set of all prime numbers $n$ such that $m \leq n \leq 76176$. Determine the value of the largest element in $T$.
76,163
graphs = [ Graph( let={ "upper": Const(76176), "result": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), CountOverSet(set=SolutionsSet(var=Var("p"), condition=And(IsPositive(arg=Var(name='p')), Exists(var=Var(name='q'), condition=And(Eq(left=Mul(Var(name='p'), V...
NT
null
EXTREMUM
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS" ]
2bb3aa
nt_max_prime_below_v1
null
4
0
[ "COPRIME_PAIRS" ]
1
1.881
2026-02-08T08:16:38.303324Z
{ "verified": true, "answer": 76163, "timestamp": "2026-02-08T08:16:40.184367Z" }
34866d
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 146, "completion_tokens": 2257 }, "timestamp": "2026-02-13T16:47:32.807Z", "answer": 76163 }, ...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V8_SUM", "status"...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }