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544cca
nt_count_divisible_and_v1_1742523217_2810
Let $T$ be the set of all positive integers $t$ such that $t = 9a + 6b$ for some positive integers $a \leq 2$ and $b \leq 3$, and $15 \leq t \leq 36$. Let $d_1 = |T|$ and $d_2 = 10$. Let $N$ be the number of positive integers $n \leq 114360$ that are divisible by both $d_1$ and $d_2$. Compute the remainder when $88 - N...
78,383
graphs = [ Graph( let={ "_n": Const(88), "upper": Const(114360), "d1": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), ...
NT
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
nt_count_divisible_and_v1
null
4
0
[ "LIN_FORM" ]
1
6.154
2026-02-08T05:23:49.639594Z
{ "verified": true, "answer": 78383, "timestamp": "2026-02-08T05:23:55.793432Z" }
ceb602
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 173, "completion_tokens": 853 }, "timestamp": "2026-02-12T08:21:36.046Z", "answer": 78383 }, {...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status":...
{ "lo": -5.55, "mid": -3.01, "hi": 0.32 }
896f8a
nt_count_divisors_in_range_v1_124444284_8644
Let $n = 55440$, $a = 23$, and let $b$ be the minimum value of $x + y$ over all ordered pairs $(x, y)$ of positive integers such that $xy = 6370576$. Compute the number of positive divisors $d$ of $n$ such that $a \leq d \leq b$.
91
graphs = [ Graph( let={ "n": Const(55440), "a": Const(23), "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(6370576)))), ...
NT
null
COUNT
sympy
V1
[ "B3" ]
0cd20d
nt_count_divisors_in_range_v1
null
5
0
[ "B3", "V1" ]
2
0.094
2026-02-08T11:51:18.635595Z
{ "verified": true, "answer": 91, "timestamp": "2026-02-08T11:51:18.729762Z" }
26823e
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 122, "completion_tokens": 2265 }, "timestamp": "2026-02-14T19:44:29.776Z", "answer": 91 }, { ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
1637d4
comb_sum_binomial_row_v1_717093673_770
Let $n$ be the largest prime number less than or equal to $14$. Compute the remainder when $44121 \cdot 2^n$ is divided by $56599$.
54,617
graphs = [ Graph( let={ "_n": Const(14), "n": MaxOverSet(set=SolutionsSet(var=Var("n1"), condition=And(Geq(Var("n1"), Const(2)), Leq(Var("n1"), Ref("_n")), IsPrime(Var("n1"))))), "result": Pow(Const(2), Ref("n")), "Q": Mod(value=Mul(Const(44121), Ref("result")...
NT
null
SUM
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW" ]
dc3ad3
comb_sum_binomial_row_v1
null
4
0
[ "MAX_PRIME_BELOW" ]
1
0.002
2026-02-08T15:40:54.548686Z
{ "verified": true, "answer": 54617, "timestamp": "2026-02-08T15:40:54.550590Z" }
c9cbad
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 84, "completion_tokens": 1090 }, "timestamp": "2026-02-16T11:43:23.752Z", "answer": 54617 }, {...
1
[ { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8_SUM", "status": "no" ...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
95fe53
nt_max_prime_below_v1_865884756_271
Let $P$ be the set of all positive integers $p$ for which there exists a positive integer $q$ such that $pq = 24$, $\gcd(p, q) = 1$, and $p < q$. Let $L = |P|$. Let $T$ be the set of all prime numbers $n$ such that $L \leq n \leq 42436$. Determine the value of the largest element in $T$.
42,433
graphs = [ Graph( let={ "upper": Const(42436), "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
2.269
2026-02-08T15:17:26.979349Z
{ "verified": true, "answer": 42433, "timestamp": "2026-02-08T15:17:29.248430Z" }
a6a613
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 207, "completion_tokens": 4570 }, "timestamp": "2026-02-10T06:24:43.044Z", "answer": 42433 }, { "...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "K17", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "V5", "status": "no" } ...
{ "lo": -8.26, "mid": -5.01, "hi": -1.76 }
87ce9c
diophantine_product_count_v1_677425708_3406
Let $n$ be the minimum value of $x + y$ over all ordered pairs $(x, y)$ of positive integers such that $x \cdot y = 16402500$. Let $k$ be the minimum value of $x + y$ over all ordered pairs $(x, y)$ of positive integers such that $x \cdot y = n$. Determine the number of positive integers $x$ such that $1 \leq x \leq 16...
88,242
graphs = [ Graph( let={ "_m": Const(44121), "_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(16402500)))), expr=Sum(Var("x"), Var("y...
NT
null
COUNT
sympy
B3
[ "B3/B3" ]
8ffef9
diophantine_product_count_v1
null
7
0
[ "B3" ]
1
0.013
2026-02-08T05:41:24.689563Z
{ "verified": true, "answer": 88242, "timestamp": "2026-02-08T05:41:24.702803Z" }
240143
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 175, "completion_tokens": 3317 }, "timestamp": "2026-02-12T13:54:01.961Z", "answer": 88242 }, ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -3.51, "mid": 1.33, "hi": 6.56 }
554652
comb_factorial_compute_v1_1218484723_2889
Let $n$ be the number of ordered pairs $(a, b)$ of positive integers with $1 \le a, b \le 15$ such that $$ 17a^4 + 68a^3b + 102a^2b^2 + 68ab^3 + 17b^4 = 5640192. $$ Compute $n!$.
5,040
graphs = [ Graph( let={ "_n": Const(68), "n": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), Const(15)), Geq(Var("b"), Const(1)), Leq(Var("b"), Const(15)), Eq(Sum(Mul(Const(102), Pow(Var("a"), Const(2)), Po...
COMB
null
COMPUTE
sympy
POLY4_COUNT
[ "POLY4_COUNT" ]
861d91
comb_factorial_compute_v1
null
3
0
[ "POLY4_COUNT" ]
1
0.003
2026-02-25T04:39:22.812269Z
{ "verified": true, "answer": 5040, "timestamp": "2026-02-25T04:39:22.814791Z" }
f4adce
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": 1104 }, "timestamp": "2026-03-29T07:09:22.953Z", "answer": 5040 }, { "i...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "POLY4_COUNT", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" ...
{ "lo": -2.45, "mid": 1.37, "hi": 5.29 }
3e837c
antilemma_cartesian_v1_1978505735_683
Let $x$ be the number of ordered pairs $(a, b)$ such that $1 \leq a \leq 16$ and $1 \leq b \leq 18$. Find the remainder when $44121 \cdot x$ is divided by $91942$.
18,852
graphs = [ Graph( let={ "x": CountOverSet(set=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(16)), right=IntegerRange(start=Const(1), end=Const(18)))), "Q": Mod(value=Mul(Const(44121), Ref("x")), modulus=Const(91942)), }, goal=Ref("Q"), ) ]
COMB
GEOM
COMPUTE
sympy
COUNT_CARTESIAN
[ "COUNT_CARTESIAN" ]
409d7d
antilemma_cartesian_v1
null
2
0
[ "COUNT_CARTESIAN" ]
1
0.001
2026-02-08T15:32:37.734130Z
{ "verified": true, "answer": 18852, "timestamp": "2026-02-08T15:32:37.735277Z" }
c0845e
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 171, "completion_tokens": 633 }, "timestamp": "2026-02-24T17:57:33.245Z", "answer": 18852 }, { "...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -2.4, "mid": 1.57, "hi": 5.75 }
148f33
diophantine_fbi2_count_v1_1520064083_4945
Let $k = 120$ and $n = 81$. Let $r$ be the number of integers $d$ such that $5 \leq d \leq n$, $d$ divides $k$, and $3 \leq k/d \leq 79$. Let $d_{\min}$ be the smallest integer $d \geq 2$ that divides $1665595754747521$. Compute the value of $$r \mod 293 + 1009 \cdot (r \mod d_{\min}).$$
10,100
graphs = [ Graph( let={ "_n": Const(81), "k": Const(120), "result": CountOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(5)), Leq(Var("d"), Ref("_n")), Divides(divisor=Var("d"), dividend=Ref("k")), Geq(Div(Ref("k"), Var("d")), Const(3)), Leq(Div(R...
NT
null
COUNT
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR" ]
cffc20
diophantine_fbi2_count_v1
two_moduli
4
0
[ "MIN_PRIME_FACTOR" ]
1
0.007
2026-02-08T06:31:38.894284Z
{ "verified": true, "answer": 10100, "timestamp": "2026-02-08T06:31:38.901742Z" }
691c2c
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 155, "completion_tokens": 5097 }, "timestamp": "2026-02-13T01:04:05.457Z", "answer": 10100 }, ...
1
[ { "lemma": "L3b", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V5", "status": "no" }, { "lemma": "V7", "status": "no" }...
{ "lo": -3.51, "mid": 1.33, "hi": 6.56 }
b7cd3c
comb_count_derangements_v1_1915831931_3114
Let $m = 32771$. Let $T$ be the set of all nonnegative integers $j$ such that $0 \leq j \leq 32771$ and $\binom{m}{j} \equiv 1 \pmod{d}$, where $d$ is the number of positive integers $p$ for which there exists an integer $q > p$ such that $pq = 18$ and $\gcd(p, q) = 1$. Let $n$ be the largest prime number less than or ...
1,854
graphs = [ Graph( let={ "_m": Const(32771), "_n": Const(2), "n": MaxOverSet(set=SolutionsSet(var=Var("n1"), condition=And(Geq(Var("n1"), Ref("_n")), Leq(Var("n1"), CountOverSet(set=SolutionsSet(var=Var("j"), condition=And(Geq(Var("j"), Const(0)), Leq(Var("j"), Const(32771...
NT
COMB
COUNT
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS/V8/MAX_PRIME_BELOW" ]
62a93c
comb_count_derangements_v1
null
6
0
[ "COPRIME_PAIRS", "MAX_PRIME_BELOW", "V8" ]
3
0.006
2026-02-08T17:22:12.648646Z
{ "verified": true, "answer": 1854, "timestamp": "2026-02-08T17:22:12.654642Z" }
79473f
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 173, "completion_tokens": 1958 }, "timestamp": "2026-02-18T01:10:54.191Z", "answer": 1854 }, {...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "sta...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
4ba9b3
nt_sum_totient_over_divisors_v1_124444284_4218
Let $n = 19013$. Define $r = \sum_{d \mid n} \phi(d)$, where $\phi$ denotes Euler's totient function. Let $T$ be the set of all integers $t$ such that $23 \leq t \leq 35$ and there exist integers $a$ and $b$ with $1 \leq a \leq 4$, $1 \leq b \leq 3$, and $t = 2a + 3b + 18$. Let $k$ be the number of elements in $T$. Com...
52
graphs = [ Graph( let={ "n": Const(19013), "result": SumOverDivisors(n=Ref(name='n'), var='d', expr=EulerPhi(n=Var(name='d'))), "Q": Bell(Mod(value=Abs(arg=Ref(name='result')), modulus=CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), conditi...
NT
COMB
COMPUTE
sympy
COPRIME_PAIRS
[ "LIN_FORM" ]
1ae498
nt_sum_totient_over_divisors_v1
bell_mod
6
0
[ "COPRIME_PAIRS", "LIN_FORM" ]
2
0.017
2026-02-08T05:51:39.782737Z
{ "verified": true, "answer": 52, "timestamp": "2026-02-08T05:51:39.800184Z" }
5d7b07
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 193, "completion_tokens": 1137 }, "timestamp": "2026-02-12T15:32:25.672Z", "answer": 52 }, { ...
1
[ { "lemma": "K13", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "V5", "status": "no" }, { "lemma": "V8", "status": "no" } ]
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
29755a
comb_count_derangements_v1_151522320_1452
Let $n$ be the smallest divisor of $847$ that is greater than or equal to $2$. Compute the subfactorial of $n$, denoted $!n$.
1,854
graphs = [ Graph( let={ "_n": Const(847), "n": MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(2)), Divides(divisor=Var("d"), dividend=Ref("_n"))))), "result": Subfactorial(arg=Ref(name='n')), }, goal=Ref("result"), ) ]
NT
COMB
COUNT
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR" ]
bc3776
comb_count_derangements_v1
null
3
0
[ "MIN_PRIME_FACTOR" ]
1
0.001
2026-02-08T04:01:46.809724Z
{ "verified": true, "answer": 1854, "timestamp": "2026-02-08T04:01:46.811156Z" }
b6a56c
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 147, "completion_tokens": 660 }, "timestamp": "2026-02-10T15:12:49.579Z", "answer": 1854 }, { "i...
1
[ { "lemma": "K14", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "MOD_FACTORIAL", "status": "no" } ]
{ "lo": -5.92, "mid": -3.14, "hi": 0.27 }
204223
comb_count_partitions_v1_1915831931_2897
Let $n$ be the number of ordered pairs $(i, j)$ of positive integers such that $1 \leq i \leq 38$, $1 \leq j \leq 38$, and $i + j = 39$. Let $p(n)$ denote the number of integer partitions of $n$. Compute $p(n)$.
26,015
graphs = [ Graph( let={ "_n": Const(39), "n": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=Eq(Sum(Var("i"), Var("j")), Ref("_n")), domain=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(38)), right=IntegerRange(start=Const(1), end=Con...
COMB
null
COUNT
sympy
COUNT_SUM_EQUALS
[ "COUNT_SUM_EQUALS" ]
75ab0f
comb_count_partitions_v1
null
4
0
[ "COUNT_SUM_EQUALS" ]
1
0.01
2026-02-08T17:13:38.826416Z
{ "verified": true, "answer": 26015, "timestamp": "2026-02-08T17:13:38.836759Z" }
fa9f38
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": 869 }, "timestamp": "2026-02-17T22:35:12.844Z", "answer": 26015 }, {...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "V8", ...
{ "lo": -2.38, "mid": 1.74, "hi": 6.59 }
1208ca
modular_count_residue_v1_153355830_1320
Let $u = 60000$. Define $T$ to be the set of all ordered pairs $(x_1, x_2)$ of positive odd integers such that $x_1 + x_2 = 24$. Let $m$ be the number of elements in $T$. Define $S$ to be the set of all positive integers $n$ such that $1 \leq n \leq u$ and $n \equiv 5 \pmod{m}$. Let $r$ be the number of elements in $S$...
54,422
graphs = [ Graph( let={ "upper": Const(60000), "m": 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"...
NT
null
COUNT
sympy
COMB1
[ "COMB1" ]
567f58
modular_count_residue_v1
null
3
0
[ "COMB1" ]
1
2.027
2026-02-08T06:19:00.033465Z
{ "verified": true, "answer": 54422, "timestamp": "2026-02-08T06:19:02.060538Z" }
df1c6b
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 176, "completion_tokens": 1033 }, "timestamp": "2026-02-12T23:01:09.176Z", "answer": 54422 }, ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COMB1", "status": "ok" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "n...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
8cf93e
sequence_lucas_compute_v1_865884756_2267
Let $S$ be the set of all positive integers $t$ such that $16 \leq t \leq 70$ and there exist integers $a$ and $b$ with $1 \leq a \leq 5$, $1 \leq b \leq 4$, and $t = 6a + 10b$. Let $n$ be the number of elements in $S$. Compute the $n$-th Lucas number. Find the value of this number.
15,127
graphs = [ Graph( let={ "n": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=5)), Geq(left=Var(name='b'), right=Const(value=1...
NT
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
sequence_lucas_compute_v1
null
4
0
[ "LIN_FORM" ]
1
0.002
2026-02-08T16:39:52.077373Z
{ "verified": true, "answer": 15127, "timestamp": "2026-02-08T16:39:52.079368Z" }
0f7392
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": 1319 }, "timestamp": "2026-02-17T09:50:53.379Z", "answer": 15127 }, ...
1
[ { "lemma": "K13", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "V3", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
784cfb
nt_count_coprime_and_v1_865884756_6542
Let $T$ be the set of all integers $t$ with $8 \leq t \leq 72$ such that there exist positive integers $a$, $b$ with $1 \leq a \leq 9$, $1 \leq b \leq 9$, and $t = 3a + 5b$. Let $k_1$ be the number of positive integers $n$ such that $1 \leq n \leq |T|$, $3$ divides $n$, and $\gcd(n, 14) = 1$. Let $k_2 = 16$. Let $r$...
1,712
graphs = [ Graph( let={ "_n": Const(14), "upper": Const(44016), "k1": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(...
NT
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM/C5" ]
683493
nt_count_coprime_and_v1
null
6
0
[ "C5", "LIN_FORM" ]
2
4.218
2026-02-08T19:17:13.929921Z
{ "verified": true, "answer": 1712, "timestamp": "2026-02-08T19:17:18.147517Z" }
2e85c2
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 239, "completion_tokens": 3832 }, "timestamp": "2026-02-18T21:50:27.675Z", "answer": 1712 }, {...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "C5", "status": "ok_later" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { ...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
389118
comb_binomial_compute_v1_655260480_4196
Let $n$ be the number of ordered pairs $(i, j)$ of positive integers with $1 \leq i \leq 2$ and $1 \leq j \leq 9$ such that $\gcd(i, j) = 1$. Compute the remainder when $44121 \cdot \binom{n}{6}$ is divided by $99614$.
8,743
graphs = [ Graph( let={ "_n": Const(99614), "n": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=Eq(GCD(a=Var("i"), b=Var("j")), Const(1)), domain=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(2)), right=IntegerRange(start=Const(1), en...
NT
null
COMPUTE
sympy
COUNT_COPRIME_GRID
[ "COUNT_COPRIME_GRID" ]
20ec03
comb_binomial_compute_v1
null
3
0
[ "COUNT_COPRIME_GRID" ]
1
0.002
2026-02-08T17:48:04.463101Z
{ "verified": true, "answer": 8743, "timestamp": "2026-02-08T17:48:04.465436Z" }
534192
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": 865 }, "timestamp": "2026-02-18T08:41:33.475Z", "answer": 8743 }, { ...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "ok" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", ...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
2393aa
lin_form_endings_v1_1520064083_8730
Let $T$ be the set of all integers $t$ such that $100 \leq t \leq 2340$ and there exist positive integers $a$ and $b$ with $1 \leq a \leq 35$, $1 \leq b \leq 9$, and $$ t = 56a + 42b + 2. $$ Let $r$ be the number of elements in $T$. Compute the remainder when $16845 \cdot r$ is divided by $54883$.
31,474
graphs = [ Graph( let={ "_inner_result": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=35)), Geq(left=Var(name='b'), right=...
COMB
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
lin_form_endings_v1
null
5
null
[ "LIN_FORM" ]
1
0.003
2026-02-08T10:20:44.603061Z
{ "verified": true, "answer": 31474, "timestamp": "2026-02-08T10:20:44.606056Z" }
835ef8
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 227, "completion_tokens": 8046 }, "timestamp": "2026-02-24T11:57:16.659Z", "answer": 31474 }, { "...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" ...
{ "lo": 1.15, "mid": 4.18, "hi": 6.61 }
c0799e
nt_count_divisible_v1_168721529_1048
Let $N$ be the number of positive integers $n$ such that $n \leq 41616$ and $n$ is divisible by 12. Let $S$ be the set of positive integers $j$ such that $j \leq 337$ and $j^4 \leq 12897917761$. Compute the value of $$N \bmod 293 + 1009 \cdot (N \bmod |S|).$$
99,127
graphs = [ Graph( let={ "upper": Const(41616), "divisor": Const(12), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("upper")), Eq(Mod(value=Var("n"), modulus=Ref("divisor")), Const(0))))), "_c": C...
NT
null
COUNT
sympy
C3
[ "C3" ]
015077
nt_count_divisible_v1
two_moduli
3
0
[ "C3" ]
1
1.539
2026-02-08T13:26:00.895097Z
{ "verified": true, "answer": 99127, "timestamp": "2026-02-08T13:26:02.434246Z" }
3c7387
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": 1585 }, "timestamp": "2026-02-09T13:11:48.203Z", "answer": 99127 }, { "...
1
[ { "lemma": "C3", "status": "ok" }, { "lemma": "K14", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V8", "status": "no" } ]
{ "lo": -1.95, "mid": 2.14, "hi": 6.33 }
6f0335
nt_lcm_compute_v1_1978505735_1757
Let $a = 1821$ and $b = 949$. Define $L = \mathrm{lcm}(a, b)$. Let $$ P = \max\{ n \mid 2 \le n \le 98 \text{ and } n \text{ is prime} \}. $$ Compute $$ Q = \left( 353702 \cdot (L \bmod P) + 329703 \cdot \left( (L^2 + 1) \bmod 101 \right) + 215534 \cdot \left( (L + 9) \bmod 103 \right) \right) \bmod 1009091. $$ Find th...
70,375
graphs = [ Graph( let={ "a": Const(1821), "b": Const(949), "result": LCM(a=Ref("a"), b=Ref("b")), "_c": Const(9), "Q": Mod(value=Sum(Mul(Const(353702), Mod(value=Abs(arg=Ref(name='result')), modulus=MaxOverSet(set=SolutionsSet(var=Var("n"), conditi...
NT
null
COMPUTE
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW" ]
045f57
nt_lcm_compute_v1
crt_mix_3
4
0
[ "MAX_PRIME_BELOW" ]
1
0.004
2026-02-08T16:23:27.792998Z
{ "verified": true, "answer": 70375, "timestamp": "2026-02-08T16:23:27.796909Z" }
c5e9e3
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 197, "completion_tokens": 1957 }, "timestamp": "2026-02-17T02:22:54.407Z", "answer": 70375 }, ...
1
[ { "lemma": "DS2", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "V3", "status": "no" }, { "lemma": "V5", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
b1b6df
modular_product_range_v1_865884756_261
Let $m = 16$ and $n = 83475$. Define $\text{prod}$ to be the product $\prod_{i=m}^{86} i$. Let $r$ be the remainder when $\text{prod}$ is divided by $10667$. Let $c$ be the largest prime number between $2$ and $42$, inclusive. Compute the remainder when \[ 353702 \cdot (|r| \bmod 97) + 329703 \cdot \left(|r|^2 + 1 \bmo...
64,493
graphs = [ Graph( let={ "_m": Const(16), "_n": Const(83475), "prod": MathProduct(expr=Var("i"), var="i", start=Ref("_m"), end=Const(86)), "result": Mod(value=Ref("prod"), modulus=Const(10667)), "_c": MaxOverSet(set=SolutionsSet(var=Var("n"), condit...
NT
null
COMPUTE
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW", "MAX_DIVISOR" ]
8bb558
modular_product_range_v1
crt_mix_3
4
0
[ "MAX_DIVISOR", "MAX_PRIME_BELOW" ]
2
0.013
2026-02-08T15:17:23.459607Z
{ "verified": true, "answer": 64493, "timestamp": "2026-02-08T15:17:23.473005Z" }
1c45a2
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 249, "completion_tokens": 4946 }, "timestamp": "2026-02-16T02:59:37.937Z", "answer": 64493 }, ...
1
[ { "lemma": "K15", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MAX_DIVISOR", "status": "ok" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status":...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
d2273a
sequence_fibonacci_compute_v1_717093673_1343
Let $m = 6$. Consider the set of ordered pairs $(k, j)$ where $k$ ranges from 1 to 6 and $j$ ranges from 1 to 9. For each such $k$, define the value $\varphi(k) \left\lfloor \frac{m}{k} \right\rfloor$, where $\varphi$ denotes Euler's totient function. Let $n$ be $\frac{6}{54}$ times the sum of these values over all suc...
13,292
graphs = [ Graph( let={ "_m": Const(6), "n": Div(Mul(Const(6), SumOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("k"), Var("_j")]), condition=Const(1), domain=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(6)), right=IntegerRange(start=Const(1), end=Con...
NT
null
COMPUTE
sympy
SUM_INDEPENDENT
[ "SUM_INDEPENDENT", "K2" ]
d64c9f
sequence_fibonacci_compute_v1
null
5
0
[ "K2", "SUM_INDEPENDENT" ]
2
0.003
2026-02-08T16:00:41.012768Z
{ "verified": true, "answer": 13292, "timestamp": "2026-02-08T16:00:41.016076Z" }
12f9f3
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 182, "completion_tokens": 1590 }, "timestamp": "2026-02-16T18:55:21.776Z", "answer": 13292 }, ...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", ...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
6bfd76
sequence_count_fib_divisible_v1_865884756_4058
Compute the number of positive integers $n$ at most $691$ such that $15$ divides the $n$th Fibonacci number.
34
graphs = [ Graph( let={ "upper": Const(691), "d": Const(15), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("upper")), Divides(divisor=Ref("d"), dividend=Fibonacci(arg=Var(name='n')))))), }, g...
NT
null
COUNT
sympy
LIN_FORM
[ "COMB1/COMB1", "B3" ]
07dce9
sequence_count_fib_divisible_v1
null
6
0
[ "B3", "COMB1", "LIN_FORM" ]
3
0.175
2026-02-08T17:43:36.824789Z
{ "verified": true, "answer": 34, "timestamp": "2026-02-08T17:43:37.000034Z" }
e16e3f
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 75, "completion_tokens": 1654 }, "timestamp": "2026-02-18T06:51:53.575Z", "answer": 34 }, { ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COMB1", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MOD_SUB", "status":...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
095ae0
diophantine_sum_product_min_v1_784195855_8521
Let $m = 4163$. Define $P$ to be $12$ plus the number of nonnegative integers $j \leq m$ for which the binomial coefficient $\binom{4163}{j}$ is odd. Let $S = 16$. Find the smallest positive integer $x$ such that $1 \leq x \leq 1 + 2 + 3 + 4 + 5$ and $x(S - x) = P$. Multiply this $x$ by 39926 and compute the result. F...
79,852
graphs = [ Graph( let={ "_m": Const(4163), "_n": Const(5), "S": Const(16), "P": Sum(CountOverSet(set=SolutionsSet(var=Var("j"), condition=And(Geq(Var("j"), Const(0)), Leq(Var("j"), Ref("_m")), Eq(Mod(value=Binom(n=Const(4163), k=Var("j")), modulus=Const(2)), C...
ALG
COMB
EXTREMUM
sympy
SUM_ARITHMETIC
[ "SUM_ARITHMETIC", "V8" ]
912956
diophantine_sum_product_min_v1
null
7
0
[ "SUM_ARITHMETIC", "V8" ]
2
0.005
2026-02-08T16:08:39.393744Z
{ "verified": true, "answer": 79852, "timestamp": "2026-02-08T16:08:39.398973Z" }
e120c7
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 231, "completion_tokens": 780 }, "timestamp": "2026-02-24T20:03:43.922Z", "answer": 79852 }, { "...
1
[ { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "SUM_ARITHMETIC", "status": "ok" }, { "lemma": "V8", "status...
{ "lo": -4.1, "mid": -1.76, "hi": 1.3 }
16bd78
comb_count_derangements_v1_655260480_1828
Let $m = 95913$ and $n = 7$. Let $j$ range over the positive integers from 1 to $n$, inclusive, such that $j^4$ does not exceed the number of positive integers $n_1$ from 1 to 4803 inclusive for which the sum of the decimal digits of $n_1$ is even. Let $\nu$ be the number of such $j$. Let $r$ be the number of derangem...
80,494
graphs = [ Graph( let={ "_m": Const(95913), "_n": Const(7), "n": CountOverSet(set=SolutionsSet(var=Var("j"), condition=And(Geq(Var("j"), Const(1)), Leq(Var("j"), Ref("_n")), Leq(Pow(Var("j"), Const(4)), CountOverSet(set=SolutionsSet(var=Var("n1"), condition=And(Geq(Var("n...
COMB
null
COUNT
sympy
L3B
[ "L3B/C3" ]
16113d
comb_count_derangements_v1
null
4
0
[ "C3", "L3B" ]
2
0.003
2026-02-08T16:26:13.206032Z
{ "verified": true, "answer": 80494, "timestamp": "2026-02-08T16:26:13.208583Z" }
2a1f38
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 252, "completion_tokens": 3502 }, "timestamp": "2026-02-24T20:57:17.964Z", "answer": 80494 }, { ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "C3", "status": "ok_later" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "L3B", "status": "ok" }, { "lemma": "V8", "status": "no" }...
{ "lo": -2.4, "mid": 1.57, "hi": 5.75 }
98ed67
modular_count_residue_v1_458359167_1174
Let $ r = \sum_{k=1}^{5} \phi(k) \left\lfloor \frac{5}{k} \right\rfloor $, where $ \phi $ denotes Euler's totient function. Let $ m = 18 $ and $ N = 71824 $. Compute the number of positive integers $ n $ such that $ 1 \leq n \leq N $ and $ n \equiv r \pmod{m} $.
3,990
graphs = [ Graph( let={ "upper": Const(71824), "m": Const(18), "r": Summation(var="k", start=Const(1), end=Const(5), expr=Mul(EulerPhi(n=Var("k")), Floor(Div(Const(5), Var("k"))))), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n...
NT
null
COUNT
sympy
K2
[ "K2" ]
6897ab
modular_count_residue_v1
null
5
0
[ "K2" ]
1
4.347
2026-02-08T04:26:17.845856Z
{ "verified": true, "answer": 3990, "timestamp": "2026-02-08T04:26:22.192988Z" }
913ade
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 210, "completion_tokens": 873 }, "timestamp": "2026-02-10T16:52:45.136Z", "answer": 3990 }, { "i...
1
[ { "lemma": "DS2", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V3", "status": "no" } ]
{ "lo": -5.55, "mid": -3.01, "hi": 0.33 }
7f41f7
nt_euler_phi_compute_v1_1918700295_126
Let $g = 11$, $m = 7$, and $n_2 = 10$. Define $a = g \cdot m$ and $b = g \cdot n_2$. Let $e = \sum_{d \mid \gcd(a,b)} \mu(d)$. Let $n_1 = 20$ and $c = \left( \sum_{d \mid n_1} \phi(d) \right) - n_1$. Define $n = 78400 + c$ and let $\phi(n)$ be the value of Euler's totient function at $n$. Compute the remainder when $(4...
15,442
graphs = [ Graph( let={ "g": Const(11), "m": Const(7), "n2": Const(10), "a": Mul(Ref("g"), Ref("m")), "b": Mul(Ref("g"), Ref("n2")), "e": SumOverDivisors(n=GCD(a=Ref(name='a'), b=Ref(name='b')), var='d', expr=MoebiusMu(n=Var(name='d')))...
NT
null
COMPUTE
sympy
EULER_TOTIENT_SUM
[ "EULER_TOTIENT_SUM", "MOBIUS_COPRIME" ]
0bcbf0
nt_euler_phi_compute_v1
null
5
2
[ "EULER_TOTIENT_SUM", "MOBIUS_COPRIME" ]
2
0.001
2026-02-08T03:00:42.101157Z
{ "verified": true, "answer": 15442, "timestamp": "2026-02-08T03:00:42.102129Z" }
e9b2c0
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 270, "completion_tokens": 5174 }, "timestamp": "2026-02-08T23:02:50.457Z", "answer": 15442 }, { ...
1
[ { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "EULER_TOTIENT_SUM", "status": "ok" }, { "lemma": "K18", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MOBIUS_COPRIME", "stat...
{ "lo": -6.49, "mid": 0.51, "hi": 7.52 }
e8aa04
nt_count_divisors_in_range_v1_1520064083_7690
Let $n = 110880$. Define $a$ as the number of positive integers $n'$ with $1 \leq n' \leq 131$ such that $\gcd(n', 30) = 1$. Let $b = 10083$. Let $d$ range over the positive divisors of $n$. Define $\mathcal{S}$ as the set of all such divisors $d$ satisfying $a \leq d \leq b$. Let $Q = \sum_{k=1}^{|\mathcal{S}|} \phi(k...
3,716
graphs = [ Graph( let={ "_n": Const(131), "n": Const(110880), "a": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("_n")), Eq(GCD(a=Var("n"), b=Const(30)), Const(1))))), "b": Const(10083), "resul...
NT
null
COUNT
sympy
C4
[ "C4" ]
08d162
nt_count_divisors_in_range_v1
null
6
0
[ "C4" ]
1
0.092
2026-02-08T09:14:39.447384Z
{ "verified": true, "answer": 3716, "timestamp": "2026-02-08T09:14:39.539602Z" }
48820a
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 174, "completion_tokens": 3745 }, "timestamp": "2026-02-14T02:09:06.481Z", "answer": 3716 }, {...
1
[ { "lemma": "C4", "status": "ok" }, { "lemma": "K13", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "L3b", "status": "no" } ]
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
dea6c9
nt_sum_over_divisible_v1_153355830_2179
Let $S$ be the set of all integers $n$ such that $1 \leq n \leq 56169$ and $n \equiv \sum_{k=0}^{5} (-1)^k \binom{5}{k} \pmod{167}$. Let $r$ be the sum of all elements in $S$. Compute the remainder when $42811 \cdot r$ is divided by $94632$.
43,368
graphs = [ Graph( let={ "upper": Const(56169), "divisor": Const(167), "result": SumOverSet(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")), Summation(var="k", start=Const(0),...
COMB
null
SUM
sympy
BINOMIAL_ALTERNATING
[ "BINOMIAL_ALTERNATING" ]
c21569
nt_sum_over_divisible_v1
null
4
0
[ "BINOMIAL_ALTERNATING" ]
1
1.802
2026-02-08T06:57:34.120518Z
{ "verified": true, "answer": 43368, "timestamp": "2026-02-08T06:57:35.922961Z" }
9ce9c1
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 205, "completion_tokens": 32768 }, "timestamp": "2026-02-24T07:27:39.399Z", "answer": 43368 }, { ...
1
[ { "lemma": "BINOMIAL_ALTERNATING", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "...
{ "lo": -2.35, "mid": 1.22, "hi": 4.84 }
ffa31c
nt_min_with_divisor_count_v1_2051736721_2320
Let $n = 8$. Let $S$ be the set of all ordered pairs $(k, \_j)$ of positive integers with $1 \le k \le 3$ and $1 \le \_j \le 5$. Let $T$ be the set of all values of $k$ as $(k, \_j)$ ranges over $S$. Define $$ div\_count = \frac{n \cdot \left(\sum T\right)}{40}. $$ Let $U$ be the set of all positive integers $n$ such t...
12
graphs = [ Graph( let={ "_n": Const(8), "upper": Const(13689), "div_count": Div(Mul(Ref("_n"), SumOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("k"), Var("_j")]), condition=Const(1), domain=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(3))...
NT
null
EXTREMUM
sympy
MOBIUS_COPRIME
[ "SUM_INDEPENDENT/SUM_ARITHMETIC" ]
87e6cf
nt_min_with_divisor_count_v1
null
5
0
[ "MOBIUS_COPRIME", "SUM_ARITHMETIC", "SUM_INDEPENDENT" ]
3
9.64
2026-02-08T16:34:24.072301Z
{ "verified": true, "answer": 12, "timestamp": "2026-02-08T16:34:33.711933Z" }
f42352
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 203, "completion_tokens": 1255 }, "timestamp": "2026-02-17T08:32:35.992Z", "answer": 12 }, { ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "SUM_ARITHMETIC", "status": "...
{ "lo": -7.08, "mid": -0.32, "hi": 6.26 }
ceabdb
geo_count_lattice_rect_v1_784195855_7844
Let $a = 66$ and $b = 122$. Define a lattice point as a point in the plane with integer coordinates. Consider the rectangle consisting of all points $(x, y)$ such that $0 \le x \le a$ and $0 \le y \le b$. Compute the number of lattice points in this rectangle.
8,241
graphs = [ Graph( let={ "a": Const(66), "b": Const(122), "result": LatticePointsRect(a=Ref(name='a'), b=Ref(name='b')), }, goal=Ref("result"), ) ]
GEOM
null
COUNT
sympy
[]
geo_count_lattice_rect_v1
null
2
0
null
null
0.001
2026-02-08T09:33:22.651962Z
{ "verified": true, "answer": 8241, "timestamp": "2026-02-08T09:33:22.653067Z" }
aa5d7b
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": 305 }, "timestamp": "2026-02-24T11:30:26.327Z", "answer": 8241 }, { "id...
1
[]
{ "lo": -5.97, "mid": -3.97, "hi": -1.93 }
ced87c
comb_catalan_compute_v1_151522320_706
Let $N$ be the number of integers $t$ such that $11 \leq t \leq 6126$ and $t = 4a + 7b$ for some positive integers $a$ and $b$ with $1 \leq a \leq 1150$ and $1 \leq b \leq 218$. Let $c$ be the number of ordered pairs $(x_1, x_2)$ of positive odd integers such that $x_1 + x_2 = N$. Let $R = C_{10}$, where $C_n$ denotes ...
82,610
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=1150)), Geq(left=Var(name='b'), right=Const(val...
COMB
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM/COMB1" ]
3b3567
comb_catalan_compute_v1
affine_mod
5
0
[ "COMB1", "LIN_FORM" ]
2
0.004
2026-02-08T03:27:52.517707Z
{ "verified": true, "answer": 82610, "timestamp": "2026-02-08T03:27:52.521803Z" }
0d262e
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 265, "completion_tokens": 2232 }, "timestamp": "2026-02-23T22:21:16.814Z", "answer": 65814 }, { ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COMB1", "status": "ok_later" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V7", "status": ...
{ "lo": 3.43, "mid": 5.73, "hi": 8.84 }
4ec995
comb_catalan_compute_v1_655260480_4283
Let $n = 10$. Define $\text{result} = C_n$, where $C_n$ is the $n$-th Catalan number. Let $c$ be the number of ordered pairs $(x_1, x_2)$ of positive odd integers such that $x_1 + x_2 = 16928$. Let $Q$ be the remainder when $c - \text{result}$ is divided by $94418$. Determine the value of $Q$.
86,086
graphs = [ Graph( let={ "_n": Const(16928), "n": Const(10), "result": Catalan(Ref("n")), "_c": 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...
COMB
null
COMPUTE
sympy
COMB1
[ "COMB1" ]
9f12f1
comb_catalan_compute_v1
negation_mod
5
0
[ "COMB1" ]
1
0.002
2026-02-08T17:51:57.994553Z
{ "verified": true, "answer": 86086, "timestamp": "2026-02-08T17:51:57.997046Z" }
681f7b
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": 883 }, "timestamp": "2026-02-18T08:49:14.589Z", "answer": 86086 }, {...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COMB1", "status": "ok" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "V8", "status...
{ "lo": -8, "mid": -4.75, "hi": -2.28 }
01a6f2
modular_mod_compute_v1_1520064083_7589
Let $a = \sum_{k=1}^{6} k$. Let $m = 27889$. Define $r$ to be the remainder when $a$ is divided by $m$, so $r = a \bmod m$. Let $Q = \sum_{n=1}^{r} \phi(n)$, where $\phi(n)$ denotes Euler's totient function. Compute $Q$.
140
graphs = [ Graph( let={ "a": Summation(var="k", start=Const(1), end=Const(6), expr=Var("k")), "m": Const(27889), "result": Mod(value=Ref("a"), modulus=Ref("m")), "Q": Summation(var="n", start=Const(1), end=Abs(arg=Ref(name='result')), expr=EulerPhi(n=Var("n"))...
NT
null
COMPUTE
sympy
SUM_ARITHMETIC
[ "SUM_ARITHMETIC" ]
eb34f0
modular_mod_compute_v1
null
2
0
[ "SUM_ARITHMETIC" ]
1
0.001
2026-02-08T09:10:40.534688Z
{ "verified": true, "answer": 140, "timestamp": "2026-02-08T09:10:40.536169Z" }
a3fc51
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": 824 }, "timestamp": "2026-02-14T01:29:45.959Z", "answer": 140 }, { ...
1
[ { "lemma": "K13", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "SUM_ARITHMETIC", "status": "ok" }, { "lemma": "V5", "status": "no" } ]
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
50586e
alg_poly4_sum_v1_1218484723_1205
Find the remainder when $$ \sum_{\substack{1 \le a \le 146 \\ 1 \le b \le 146}} \left( \min\{ d \ge 2 : d \mid 4634945206559 \} \cdot a^{4} + 337 b^{4} - 700 a^{3} b - 700 a b^{3} + \left| \{1,2,\ldots,6\} \times \{1,2,\ldots,337\} \right| \cdot a^{2} b^{2} \right) $$ is divided by $72199$.
61,297
graphs = [ Graph( let={ "_n": Const(146), "result": Mod(value=SumOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), Ref("_n")), Geq(Var("b"), Const(1)), Leq(Var("b"), Const(146)))), expr=Sum(Mul(MinOv...
NT
null
COMPUTE
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR", "COUNT_CARTESIAN" ]
fea473
alg_poly4_sum_v1
null
6
0
[ "COUNT_CARTESIAN", "MIN_PRIME_FACTOR" ]
2
0.065
2026-02-25T02:59:02.184886Z
{ "verified": true, "answer": 61297, "timestamp": "2026-02-25T02:59:02.249955Z" }
d8bbbe
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 252, "completion_tokens": 32768 }, "timestamp": "2026-03-10T06:07:29.217Z", "answer": null }, { ...
1
[ { "lemma": "COUNT_CARTESIAN", "status": "ok" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "MOD_SUB", ...
{ "lo": 3.79, "mid": 5.69, "hi": 7.81 }
804964
alg_qf_psd_min_v1_1218484723_6485
For positive integers $a, b$ with $1 \le a, b \le 200$, define $E(a, b) = 11798 \cdot a^k + 20126 \cdot b^2 - 18044ab$, where $k$ is the number of ordered pairs $(a1, b1)$ with $1 \le a1, b1 \le 15$ satisfying $$ 82b1^4 + 540a1^2b1^2 + 216a1^3b1 + 162a1^4 + 312a1b1^3 = 1683712. $$ Find the minimum value of $E(a, b)$ ov...
13,880
graphs = [ Graph( let={ "_n": Const(200), "result": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), Const(200)), Geq(Var("b"), Const(1)), Leq(Var("b"), Ref("_n")))), expr=Sum(Mul(Const(11798), P...
ALG
null
COMPUTE
sympy
POLY4_COUNT
[ "POLY4_COUNT" ]
861d91
alg_qf_psd_min_v1
null
6
0
[ "POLY4_COUNT" ]
1
0.07
2026-02-25T08:03:08.090446Z
{ "verified": true, "answer": 13880, "timestamp": "2026-02-25T08:03:08.160336Z" }
19afdb
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 270, "completion_tokens": 13131 }, "timestamp": "2026-03-30T01:55:34.359Z", "answer": 13880 }, { ...
1
[ { "lemma": "POLY4_COUNT", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": 3.81, "mid": 6.33, "hi": 9.49 }
5a1aaa
algebra_vieta_sum_v1_865884756_5740
Let $N$ be the number of integers $n$ with $1\le n\le 57024$ such that $$n \equiv \left\lfloor \frac{n}{2} \right\rfloor \pmod{11}.$$ Consider the quartic equation $$2x^4+2x^3-216x^2-72x+N=0.$$ Let $P$ be the product of all integer roots $x$ of this equation. Compute $P$.
2,592
graphs = [ Graph( let={ "_n": Const(2), "result": ProductOverSet(set=SolutionsSet(var=Var(name='x'), condition=Eq(left=Sum(Mul(Ref(name='_n'), Pow(base=Var(name='x'), exp=Const(value=4))), Mul(Const(value=2), Pow(base=Var(name='x'), exp=Const(value=3))), Mul(Const(value=-216), Pow(ba...
NT
null
COMPUTE
sympy
MIN_PRIME_FACTOR
[ "L3C" ]
73f8b0
algebra_vieta_sum_v1
null
8
0
[ "L3C", "MIN_PRIME_FACTOR" ]
2
0.062
2026-02-08T18:46:04.609067Z
{ "verified": true, "answer": 2592, "timestamp": "2026-02-08T18:46:04.671122Z" }
ce63e6
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": 1894 }, "timestamp": "2026-02-18T19:25:05.633Z", "answer": 2592 }, {...
1
[ { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "L3C", "status": "ok" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "V5", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
e68076
antilemma_sum_equals_v1_1125832087_411
Let $x$ be the number of ordered pairs $(i,j)$ of positive integers such that $i + j = 51$, $1 \leq i \leq 50$, and $1 \leq j \leq 51$. Compute $x^2 + 20x + 6724$.
10,224
graphs = [ Graph( let={ "_n": Const(51), "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(50)), right=IntegerRange(start=Const(1), end=Con...
COMB
GEOM
COMPUTE
sympy
COUNT_SUM_EQUALS
[ "COUNT_SUM_EQUALS" ]
75ab0f
antilemma_sum_equals_v1
null
3
0
[ "COUNT_SUM_EQUALS" ]
1
0.007
2026-02-08T03:02:56.988659Z
{ "verified": true, "answer": 10224, "timestamp": "2026-02-08T03:02:56.995523Z" }
c24bd1
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 176, "completion_tokens": 1091 }, "timestamp": "2026-02-10T12:34:48.956Z", "answer": 10224 }, { "...
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": -5.97, "mid": -3.96, "hi": -1.93 }
2bf0b9
comb_count_surjections_v1_865884756_7131
Let $n = 4$ and $k = 4$. Define $s$ to be the number of ways to partition a set of $n$ elements into exactly $k$ nonempty subsets, multiplied by $k!$. Compute the value of $37 - s$.
13
graphs = [ Graph( let={ "n": Const(4), "k": Const(4), "result": Mul(Factorial(Ref("k")), Stirling2(n=Ref(name='n'), k=Ref(name='k'))), "Q": Sub(Const(37), Ref("result")), }, goal=Ref("Q"), ) ]
COMB
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM", "COUNT_SUM_EQUALS" ]
8ec7d9
comb_count_surjections_v1
negation_mod
2
0
[ "COUNT_SUM_EQUALS", "LIN_FORM" ]
2
0.022
2026-02-08T19:38:02.341176Z
{ "verified": true, "answer": 13, "timestamp": "2026-02-08T19:38:02.363156Z" }
2d95e1
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 104, "completion_tokens": 524 }, "timestamp": "2026-02-18T22:53:19.637Z", "answer": 13 }, { ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" },...
{ "lo": -5.39, "mid": -2.64, "hi": 0.63 }
afe758
comb_count_surjections_v1_124444284_2641
Let $n$ be the number of elements in the Cartesian product of the sets $\{1, 2\}$ and $\{1, 2, 3\}$. Let $k = 2$. Define $\text{result} = k! \cdot S(n, k)$, where $S(n, k)$ denotes the Stirling number of the second kind. Let $Q$ be the smallest positive integer such that the $Q$-th Fibonacci number is divisible by $|\t...
48
graphs = [ Graph( let={ "n": CountOverSet(set=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(2)), right=IntegerRange(start=Const(1), end=Const(3)))), "k": Const(2), "result": Mul(Factorial(Ref("k")), Stirling2(n=Ref(name='n'), k=Ref(name='k'))), ...
COMB
NT
COUNT
sympy
COUNT_CARTESIAN
[ "COUNT_CARTESIAN" ]
409d7d
comb_count_surjections_v1
null
2
0
[ "COUNT_CARTESIAN" ]
1
0.001
2026-02-08T04:52:05.933674Z
{ "verified": true, "answer": 48, "timestamp": "2026-02-08T04:52:05.934907Z" }
f3d382
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 225, "completion_tokens": 3984 }, "timestamp": "2026-02-24T02:08:56.059Z", "answer": 48 }, { "id"...
1
[ { "lemma": "COUNT_CARTESIAN", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "statu...
{ "lo": 1.97, "mid": 4.36, "hi": 6.69 }
559110
lte_diff_endings_v1_168721529_1904
Let $a = 325$, $b = 1$, $p = 3$, and $n = 378$. Compute $a^n - b^n$ and determine the largest integer $k$ such that $p^k$ divides this difference. Multiply $k$ by $11457$ and find the remainder when the result is divided by $82301$. Compute this remainder.
80,199
graphs = [ Graph( let={ "a_val": Const(325), "b_val": Const(1), "p_val": Const(3), "n_val": Const(378), "a_pow": Pow(Ref("a_val"), Ref("n_val")), "b_pow": Pow(Ref("b_val"), Ref("n_val")), "pow_diff": Sub(Ref("a_pow"), Ref("b...
NT
null
COMPUTE
sympy
LTE_DIFF
[ "LTE_DIFF" ]
cf8260
lte_diff_endings_v1
null
6
null
[ "LTE_DIFF" ]
1
0.001
2026-02-08T13:58:44.650233Z
{ "verified": true, "answer": 80199, "timestamp": "2026-02-08T13:58:44.651508Z" }
11fd17
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 192, "completion_tokens": 1370 }, "timestamp": "2026-02-09T23:15:02.913Z", "answer": 80199 }, { "...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "LTE_DIFF", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" } ]
{ "lo": -6.5, "mid": -0.2, "hi": 6.11 }
53c4f1
nt_lcm_compute_v1_397696148_1293
Let $S$ be the set of all ordered pairs $(x, y)$ of positive integers such that $xy = 1183744$. For each such pair, compute $x + y$, and let $a$ be the smallest value of $x + y$ over all such pairs. Let $b = 714$. Compute $\operatorname{lcm}(a, b)$.
45,696
graphs = [ Graph( let={ "a": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Mul(Var("x"), Var("y")), Const(1183744)))), expr=Sum(Var("x"), Var("y")))), "b": Const(714)...
NT
null
COMPUTE
sympy
LIN_FORM
[ "B3" ]
0cd20d
nt_lcm_compute_v1
null
5
0
[ "B3", "LIN_FORM" ]
2
0.02
2026-02-08T12:29:44.633880Z
{ "verified": true, "answer": 45696, "timestamp": "2026-02-08T12:29:44.653775Z" }
0d6e88
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 124, "completion_tokens": 1764 }, "timestamp": "2026-02-15T01:27:42.557Z", "answer": 45696 }, ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "V8", "status": "no" } ]
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
519c45
modular_modexp_compute_v1_601307018_1789
Let $a$ be the largest prime number $n$ in the range $2 \le n \le 30$. Let $L = \left|\left\{ n_1 \in \mathbb{Z}^+ : 1 \le n_1 \le 224,\ n_1 \equiv \left\lfloor \frac{n_1}{2} \right\rfloor \pmod{7} \right\}\right|$. Let $e$ be the maximum value of $xy$ over all pairs of positive integers $(x, y)$ such that $x + y = L$....
16,321
graphs = [ Graph( let={ "_m": Const(224), "_n": Const(30), "a": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Ref("_n")), IsPrime(Var("n"))))), "e": MaxOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=...
NT
null
COMPUTE
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW", "L3C/B1" ]
5af77e
modular_modexp_compute_v1
null
6
0
[ "B1", "L3C", "MAX_PRIME_BELOW" ]
3
0.004
2026-03-10T02:32:21.924541Z
{ "verified": true, "answer": 16321, "timestamp": "2026-03-10T02:32:21.928688Z" }
acdb9f
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": 2635 }, "timestamp": "2026-03-29T03:24:20.481Z", "answer": 16321 }, { "...
1
[ { "lemma": "B1", "status": "ok_later" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "L3C", "sta...
{ "lo": -2.48, "mid": 1.07, "hi": 4.5 }
cd0ede
comb_binomial_compute_v1_784195855_4065
Let $n$ be the number of ordered pairs $(i, j)$ of positive integers such that $1 \leq i \leq 15$, $1 \leq j \leq 16$, and $i + j = 16$. Compute $\binom{n}{8}$.
6,435
graphs = [ Graph( let={ "_n": Const(16), "n": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=Eq(Sum(Var("i"), Var("j")), Ref("_n")), domain=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(15)), right=IntegerRange(start=Const(1), end=Con...
ALG
COMB
COMPUTE
sympy
COUNT_SUM_EQUALS
[ "COUNT_SUM_EQUALS" ]
75ab0f
comb_binomial_compute_v1
null
3
0
[ "COUNT_SUM_EQUALS" ]
1
0.01
2026-02-08T06:47:52.457904Z
{ "verified": true, "answer": 6435, "timestamp": "2026-02-08T06:47:52.467607Z" }
c8dc84
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 173, "completion_tokens": 565 }, "timestamp": "2026-02-24T07:05:31.902Z", "answer": 6435 }, { "id...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status...
{ "lo": -9.23, "mid": -6.18, "hi": -4.06 }
63437c_n
alg_qf_psd_min_v1_1218484723_3057
A vending machine accepts tokens worth $2$ or $5$ points. A valid score is any total $t$ between $7$ and $312$ that can be made using at least one token of each type, with no more than $31$ of the $2$-point tokens and $50$ of the $5$-point tokens. Let $B$ be the number of valid scores. A robot plays a game where it sel...
85,068
ALG
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
alg_qf_psd_min_v1
null
5
null
[ "LIN_FORM" ]
1
0.13
2026-02-25T04:49:15.950714Z
null
7ef31c
63437c
narrative
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 252, "completion_tokens": 26574 }, "timestamp": "2026-03-30T19:29:15.783Z", "answer": 85068 }, { ...
2
[ { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": -10, "mid": -5.89, "hi": -1.79 }
0ebe6d
nt_count_divisible_v1_124444284_8203
Let $p$ be the largest prime number less than or equal to 21. Let $N = 42849$. Find the number of positive integers $n$ such that $1 \leq n \leq N$ and $n$ is divisible by $p$.
2,255
graphs = [ Graph( let={ "_n": Const(21), "upper": Const(42849), "divisor": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Ref("_n")), IsPrime(Var("n"))))), "result": CountOverSet(set=SolutionsSet(var=Var("n"), co...
NT
null
COUNT
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW" ]
dc3ad3
nt_count_divisible_v1
null
3
0
[ "MAX_PRIME_BELOW" ]
1
2.357
2026-02-08T09:36:03.245939Z
{ "verified": true, "answer": 2255, "timestamp": "2026-02-08T09:36:05.603238Z" }
e00331
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 115, "completion_tokens": 347 }, "timestamp": "2026-02-15T20:46:52.031Z", "answer": 2255 }, { "id": 11, ...
2
[ { "lemma": "K13", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" ...
{ "lo": -9.12, "mid": -6.02, "hi": -3.62 }
2a63ba
nt_count_intersection_v1_151522320_797
Let $N = 5000$. Define $S$ as the set of all integers $n$ such that $1 \leq n \leq N$, $7$ divides $n$, and $\gcd(n, 18) = 1$. Let $a$ be the number of elements in $S$. Let $b$ be the number of positive integers $n \leq 60552$ such that $7$ divides the $n$-th Fibonacci number. Compute the value of $2^{|a|} \bmod 99991$...
56,398
graphs = [ Graph( let={ "N": Const(5000), "a": Const(7), "b": Const(18), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("N")), Divides(divisor=Ref("a"), dividend=Var("n")), Eq(GCD(a=Var("n"), b=Re...
NT
null
COUNT
sympy
COUNT_FIB_DIVISIBLE
[ "COUNT_FIB_DIVISIBLE" ]
03e0f1
nt_count_intersection_v1
two_stage_modexp
7
0
[ "COUNT_FIB_DIVISIBLE" ]
1
0.361
2026-02-08T03:32:19.976797Z
{ "verified": true, "answer": 56398, "timestamp": "2026-02-08T03:32:20.337509Z" }
70d69d
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 233, "completion_tokens": 7505 }, "timestamp": "2026-02-23T20:46:39.408Z", "answer": 56398 }, { ...
1
[ { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "ok" }, { "lemma": "K13", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "LTE_SUM", "...
{ "lo": 1.96, "mid": 5.23, "hi": 8.52 }
ae641d
modular_mod_compute_v1_2051736721_668
Let $m = 164$ and $n = 51033$. Define $a = -38416$. Let $S$ be the set of all positive integers $n$ such that $1 \leq n \leq m$ and $n \equiv 0 \pmod{m}$. Define $u$ to be the sum of all elements in $S$. Let $T$ be the set of all ordered pairs $(x, y)$ of positive integers such that $x + y = u$. Define $m'$ to be the m...
24,341
graphs = [ Graph( let={ "_m": Const(164), "_n": Const(51033), "a": Const(-38416), "m": 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("...
NT
null
COMPUTE
sympy
SUM_DIVISIBLE
[ "SUM_DIVISIBLE/B1" ]
f6d1e2
modular_mod_compute_v1
null
6
0
[ "B1", "SUM_DIVISIBLE" ]
2
0.004
2026-02-08T15:37:30.539969Z
{ "verified": true, "answer": 24341, "timestamp": "2026-02-08T15:37:30.543911Z" }
cfc8bb
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 224, "completion_tokens": 1307 }, "timestamp": "2026-02-16T10:00:12.013Z", "answer": 24341 }, ...
1
[ { "lemma": "B1", "status": "ok_later" }, { "lemma": "K13", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { ...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
f1446d
antilemma_k3_v1_153355830_178
Compute the sum of $\phi(d)$ over all positive divisors $d$ of $82585$, where $\phi$ denotes Euler's totient function.
82,585
graphs = [ Graph( let={ "x": SumOverDivisors(n=Const(value=82585), var='d', expr=EulerPhi(n=Var(name='d'))), }, goal=Ref("x"), ) ]
NT
COMB
COMPUTE
sympy
K3
[ "K3" ]
54c41e
antilemma_k3_v1
null
3
0
[ "K3" ]
1
0.001
2026-02-08T02:55:41.471409Z
{ "verified": true, "answer": 82585, "timestamp": "2026-02-08T02:55:41.472009Z" }
07c1a8
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 142, "completion_tokens": 457 }, "timestamp": "2026-02-10T11:51:36.624Z", "answer": 82585 }, { "i...
1
[ { "lemma": "K15", "status": "no" }, { "lemma": "K3", "status": "ok" }, { "lemma": "K5", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "V5", "status": "no" } ]
{ "lo": -3.97, "mid": -1.31, "hi": 0.9 }
a4ac8f
nt_sum_divisors_compute_v1_1742523217_1187
Let $c=81401$. Consider all positive integers $p$ and $q$ such that $pq=18$, $\gcd(p,q)=1$, and $p<q$. Let $d$ be the number of such integers $p$. For each integer $j$ with $0 \le j \le 66561$, consider the binomial coefficient $\binom{66561}{j}$, and let $T$ be the number of integers $j$ with $0 \le j \le 66561$ such ...
77,120
graphs = [ Graph( let={ "_c": Const(81401), "_m": Const(7), "_n": Const(2), "n1": Const(1), "v": SmallOmega(n=Ref(name='n1')), "p": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Ref("_n")), Leq(Var("n"), Sum(Coun...
NT
null
COMPUTE
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS/V8/MAX_PRIME_BELOW/WILSON", "OMEGA_ZERO" ]
3484ed
nt_sum_divisors_compute_v1
null
7
2
[ "COPRIME_PAIRS", "MAX_PRIME_BELOW", "OMEGA_ZERO", "V8", "WILSON" ]
5
0.01
2026-02-08T03:29:50.561836Z
{ "verified": true, "answer": 77120, "timestamp": "2026-02-08T03:29:50.571467Z" }
19b1de
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 380, "completion_tokens": 6865 }, "timestamp": "2026-02-10T04:45:30.737Z", "answer": 77120 }, { "...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok_later" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "OMEGA_ZERO",...
{ "lo": -6.51, "mid": -0.31, "hi": 5.43 }
a3f024
geo_count_lattice_triangle_v1_548369836_361
Let $A$ be the area of the triangle with vertices at $(0,0)$, $(111,196)$, and $(22,111)$, multiplied by $2$. Let $B$ be the sum of the greatest common divisors of the absolute differences of the coordinates along each side of the triangle, that is, $$ B = \gcd(111, 196) + \gcd(|22 - 111|, |111 - 196|) + \gcd(|0 - 22|,...
2,670
graphs = [ Graph( let={ "area_2x": Abs(arg=Sum(Mul(Const(value=111), Const(value=111)), Mul(Const(value=22), Sub(left=Const(value=0), right=Const(value=196))))), "boundary": Sum(GCD(a=Abs(arg=Const(value=111)), b=Abs(arg=Const(value=196))), GCD(a=Abs(arg=Sub(left=Const(value=22), rig...
NT
null
COUNT
sympy
[]
geo_count_lattice_triangle_v1
null
7
0
null
null
0.002
2026-02-08T02:53:18.539324Z
{ "verified": true, "answer": 2670, "timestamp": "2026-02-08T02:53:18.541567Z" }
415aa6
CC BY 4.0
[ { "id": 4, "model": "NousResearch/Hermes-4-405B", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 208, "completion_tokens": 585 }, "timestamp": "2026-02-09T05:19:28.536Z", "answer": 12 }, ...
0
[]
{ "lo": 2.59, "mid": 6.26, "hi": 10 }
3bdee9
modular_mod_compute_v1_784195855_1423
Let $m$ be the number of integers $t$ such that $27 \leq t \leq 19743$ and there exist positive integers $a \leq 1589$ and $b \leq 45$ satisfying $t = 12a + 15b$. Compute the remainder when $-11449$ is divided by $m$.
1,673
graphs = [ Graph( let={ "a": Const(-11449), "m": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=1589)), Geq(left...
NT
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
modular_mod_compute_v1
null
4
0
[ "LIN_FORM" ]
1
0.001
2026-02-08T05:00:56.125345Z
{ "verified": true, "answer": 1673, "timestamp": "2026-02-08T05:00:56.126538Z" }
58af86
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 187, "completion_tokens": 5469 }, "timestamp": "2026-02-11T22:41:15.473Z", "answer": 1673 }, { "...
1
[ { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -3.49, "mid": 1.84, "hi": 7.55 }
41afcd
antilemma_k3_v1_1915831931_2577
Let $x$ be the sum of $\phi(d)$ over all positive divisors $d$ of $81802$, where $\phi$ denotes Euler's totient function. Let $r$ be the remainder when $|x|$ is divided by $11$. Compute the $r$-th Bell number.
203
graphs = [ Graph( let={ "x": SumOverDivisors(n=Const(value=81802), var='d', expr=EulerPhi(n=Var(name='d'))), "Q": Bell(Mod(value=Abs(arg=Ref(name='x')), modulus=Const(11))), }, goal=Ref("Q"), ) ]
NT
COMB
COMPUTE
sympy
K3
[ "K3" ]
54c41e
antilemma_k3_v1
null
4
0
[ "K3" ]
1
0.001
2026-02-08T16:57:47.044649Z
{ "verified": true, "answer": 203, "timestamp": "2026-02-08T16:57:47.045257Z" }
0cc92c
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 109, "completion_tokens": 526 }, "timestamp": "2026-02-17T17:10:00.426Z", "answer": 203 }, { ...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "K3", "status": "ok" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "V1", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
558955
nt_count_divisors_in_range_v1_898971024_312
Let $a$ be the minimum value of $x + y$ where $x$ and $y$ are positive integers such that $xy = 36$. Let $b$ be the minimum value of $x_1 + y_1$ where $x_1$ and $y_1$ are positive integers such that $xy = 3415104$. Let $n = 277200$. Compute the number of positive divisors $d$ of $n$ such that $a \leq d \leq b$.
130
graphs = [ Graph( let={ "_n": Const(36), "n": Const(277200), "a": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Mul(Var("x"), Var("y")), Ref("_n")))), exp...
NT
null
COUNT
sympy
B3
[ "B3" ]
0cd20d
nt_count_divisors_in_range_v1
null
5
0
[ "B3" ]
1
0.067
2026-02-08T15:20:10.248247Z
{ "verified": true, "answer": 130, "timestamp": "2026-02-08T15:20:10.314811Z" }
99cc1c
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 155, "completion_tokens": 4285 }, "timestamp": "2026-02-16T03:20:07.846Z", "answer": 130 }, { ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "V1", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
ec648f
antilemma_sum_equals_v1_784195855_3978
Let $m=3698$. For integers $a$ and $b$ with $1\le a\le 12$ and $1\le b\le 6$, consider all integers $t$ with $5\le t\le 42$ that can be written in the form $$t=2a+3b$$ for some such $a$ and $b$. Let $n$ be the number of such integers $t$. Let $x$ be the number of ordered pairs $(i,j)$ of integers with $1\le i\le 35$, ...
1,814
graphs = [ Graph( let={ "_m": Const(3698), "_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=12)), Geq(left=V...
COMB
GEOM
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM/COMB1/COUNT_SUM_EQUALS", "COMB1", "COUNT_SUM_EQUALS" ]
efb6cd
antilemma_sum_equals_v1
negation_mod
6
0
[ "COMB1", "COUNT_SUM_EQUALS", "LIN_FORM" ]
3
0.009
2026-02-08T06:43:45.370899Z
{ "verified": true, "answer": 1814, "timestamp": "2026-02-08T06:43:45.379568Z" }
f88baa
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 298, "completion_tokens": 2995 }, "timestamp": "2026-02-24T06:55:49.215Z", "answer": 1814 }, { "i...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COMB1", "status": "ok" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "LIN_FORM", "sta...
{ "lo": -3.84, "mid": -1.69, "hi": 1.09 }
6d527d
sequence_fibonacci_compute_v1_601307018_2102
Let $n$ be the number of ordered pairs $(a, b)$ of positive integers with $1 \le a, b \le 25$ such that $5a^2 + 10ab + 5b^2 = \min\{x + y : x > 0, y > 0, xy = 1464100\}$. Let $S = F_n$, the $n$-th Fibonacci number. Find the remainder when $62223 \cdot S$ is divided by $82666$.
7,784
graphs = [ Graph( let={ "_m": Const(25), "_n": Const(10), "n": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), Ref("_m")), Geq(Var("b"), Const(1)), Leq(Var("b"), Const(25)), Eq(Sum(Mul(Const(5), ...
ALG
null
COMPUTE
sympy
B3
[ "B3/QF_PSD_COUNT" ]
d7caca
sequence_fibonacci_compute_v1
null
7
0
[ "B3", "QF_PSD_COUNT" ]
2
0.008
2026-03-10T02:48:44.710799Z
{ "verified": true, "answer": 7784, "timestamp": "2026-03-10T02:48:44.719064Z" }
3e16fb
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 221, "completion_tokens": 1998 }, "timestamp": "2026-03-29T04:21:51.499Z", "answer": 7784 }, { "i...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "QF_PSD_COUNT", "status": "ok_later" } ]
{ "lo": 1.23, "mid": 4.27, "hi": 6.7 }
adce9a
nt_count_digit_sum_v1_124444284_9940
Let $C$ be the set of all nonnegative integers $j$ such that $0 \leq j \leq 18496$ and $\binom{18496}{j}$ is odd. Let $t = |C|$. Let $D$ be the set of all ordered pairs $(x,y)$ of positive integers such that $x + y = t$. Let $P$ be the set of all values $xy$ where $(x,y) \in D$. Let $m$ be the largest element of $P$. L...
20,270
graphs = [ Graph( let={ "_n": Const(2), "upper": Const(267289), "target_sum": Const(34), "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"))))), ...
ALG
COMB
COUNT
sympy
V8
[ "V8/B1" ]
5644f0
nt_count_digit_sum_v1
mod_exp
7
0
[ "B1", "V8" ]
2
12.167
2026-02-08T12:43:50.701645Z
{ "verified": true, "answer": 20270, "timestamp": "2026-02-08T12:44:02.868491Z" }
e07e35
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 280, "completion_tokens": 28635 }, "timestamp": "2026-02-24T16:19:19.155Z", "answer": 20270 }, { ...
1
[ { "lemma": "B1", "status": "ok_later" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "V8", "status": "ok" }, { "lem...
{ "lo": 1.15, "mid": 4.18, "hi": 6.61 }
ee457f
nt_count_gcd_equals_v1_865884756_2109
Let $k = 428$ and $d = 2$. Determine the number of positive integers $n$ such that $1 \leq n \leq 28657$ and $\gcd(n, k) = d$. Denote this number by $r$. Let $m$ be the smallest divisor of $31603$ that is at least $2$. Compute the Bell number $B_s$, where $s$ is the remainder when $|r|$ is divided by $m$.
2
graphs = [ Graph( let={ "_n": Const(31603), "upper": Const(28657), "k": Const(428), "d": Const(2), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("upper")), Eq(GCD(a=Var("n"), b=Ref("k...
NT
COMB
COUNT
sympy
MAX_PRIME_BELOW
[ "MIN_PRIME_FACTOR" ]
58d7e9
nt_count_gcd_equals_v1
bell_mod
4
0
[ "MAX_PRIME_BELOW", "MIN_PRIME_FACTOR" ]
2
6.648
2026-02-08T16:30:11.452289Z
{ "verified": true, "answer": 2, "timestamp": "2026-02-08T16:30:18.100389Z" }
ff2762
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 148, "completion_tokens": 1448 }, "timestamp": "2026-02-17T05:18:41.307Z", "answer": 2 }, { ...
1
[ { "lemma": "K13", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status": "no" }...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
262843
nt_sum_totient_over_divisors_v1_458359167_5444
Let $n = 49866$. Define $\text{result}$ to be the sum of $\phi(d)$ over all positive divisors $d$ of $n$, where $\phi$ denotes Euler's totient function. Compute the remainder when $44121 \cdot \text{result}$ is divided by $58108$.
52,690
graphs = [ Graph( let={ "n": Const(49866), "result": SumOverDivisors(n=Ref(name='n'), var='d', expr=EulerPhi(n=Var(name='d'))), "Q": Mod(value=Mul(Const(44121), Ref("result")), modulus=Const(58108)), }, goal=Ref("Q"), ) ]
NT
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM/V5" ]
e79893
nt_sum_totient_over_divisors_v1
null
3
0
[ "LIN_FORM", "V5" ]
2
0.021
2026-02-08T12:30:02.892389Z
{ "verified": true, "answer": 52690, "timestamp": "2026-02-08T12:30:02.913589Z" }
e1a0d0
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 112, "completion_tokens": 2542 }, "timestamp": "2026-02-15T02:01:10.946Z", "answer": 52690 }, ...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" ...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
ba479d
algebra_quadratic_discriminant_v1_1820931509_185
Let $a = -10$, $b = \sum_{k=1}^{2} k$, and $c = 6$. Let $P$ be the set of all positive integers $p$ for which there exists an integer $q$ such that $p < q$, $pq = 54$, and $\gcd(p, q) = 1$. Compute $b^{|P|} - 4ac$. Find the value of this expression.
249
graphs = [ Graph( let={ "a": Const(-10), "b": Summation(var="k", start=Const(1), end=Const(2), expr=Var("k")), "c": Const(6), "result": Sub(Pow(Ref("b"), CountOverSet(set=SolutionsSet(var=Var("p"), condition=And(IsPositive(arg=Var(name='p')), Exists(var=Var(na...
NT
null
COMPUTE
sympy
K2
[ "SUM_ARITHMETIC", "COPRIME_PAIRS" ]
ac053f
algebra_quadratic_discriminant_v1
null
5
0
[ "COPRIME_PAIRS", "K2", "SUM_ARITHMETIC" ]
3
0.014
2026-02-08T11:24:01.894076Z
{ "verified": true, "answer": 249, "timestamp": "2026-02-08T11:24:01.908383Z" }
4dd7cc
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 141, "completion_tokens": 845 }, "timestamp": "2026-02-14T13:09:54.819Z", "answer": 249 }, { ...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "SUM_ARITHMETIC", "status": "ok" }, { "lemma": "V1", "status": "no" }, { "lemma": "V5", "statu...
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
3b2752
antilemma_sum_equals_v1_677425708_634
Let $N$ be the number of integers $t$ such that $12 \leq t \leq 129$ and there exist integers $a$ and $b$ with $1 \leq a \leq 9$, $1 \leq b \leq 12$, and $t = 5a + 7b$. Let $x$ be the number of ordered pairs $(i,j)$ of positive integers such that $1 \leq i \leq 94$, $1 \leq j \leq 94$, and $i + j = N$. Compute $$\sum_{...
439
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=9)), Geq(left=Var(name='b'), right=Const(value=...
COMB
GEOM
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM/COUNT_SUM_EQUALS", "COUNT_SUM_EQUALS", "ONE_BINOM_N" ]
f9469e
antilemma_sum_equals_v1
null
6
0
[ "COUNT_SUM_EQUALS", "LIN_FORM", "ONE_BINOM_N" ]
3
0.019
2026-02-08T03:38:05.814740Z
{ "verified": true, "answer": 439, "timestamp": "2026-02-08T03:38:05.834184Z" }
e7c9ac
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 267, "completion_tokens": 32768 }, "timestamp": "2026-02-23T22:40:25.805Z", "answer": null }, { ...
1
[ { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "ONE_BINOM_N", "status": "ok" }, { "lemma": "V7", ...
{ "lo": 3.43, "mid": 5.73, "hi": 8.84 }
dddedc
nt_count_coprime_v1_1918700295_4269
Let $n$ be a positive integer such that $1 \leq n \leq 24025$ and $\gcd(n, 4) = 1$. Let $R$ be the number of such integers $n$. Let $S$ be the set of all ordered pairs $(x, y)$ of positive integers such that $xy = 9604$. Define $T$ to be the minimum value of $x + y$ as $(x, y)$ ranges over $S$. Compute the remainder wh...
35,262
graphs = [ Graph( let={ "upper": Const(24025), "k": Const(4), "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")), Const(1))))), "Q": Mod(value=Sum(Pow(Ref("re...
NT
null
COUNT
sympy
B3
[ "B3" ]
d720b5
nt_count_coprime_v1
quadratic_mod
5
0
[ "B3" ]
1
3.692
2026-02-08T09:16:08.789338Z
{ "verified": true, "answer": 35262, "timestamp": "2026-02-08T09:16:12.481514Z" }
069c70
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 167, "completion_tokens": 1515 }, "timestamp": "2026-02-14T02:19:26.065Z", "answer": 35262 }, ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "V7", "status": "no" } ]
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
a1bfe6
modular_count_residue_v1_124444284_5183
Let $T$ be the set of all positive integers $t$ such that $5 \leq t \leq 26$ and there exist positive integers $a$, $b$ with $1 \leq a \leq 6$, $1 \leq b \leq 4$, and $t = 3a + 2b$. Let $m$ be the number of elements in $T$. Let $R$ be the set of all ordered pairs $(i,j)$ such that $1 \leq i \leq 18$, $1 \leq j \leq 19$...
1,638
graphs = [ Graph( let={ "_n": Const(20), "upper": Const(32768), "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'), ri...
NT
null
COUNT
sympy
COUNT_SUM_EQUALS
[ "COUNT_SUM_EQUALS", "LIN_FORM" ]
7b3310
modular_count_residue_v1
null
6
0
[ "COUNT_SUM_EQUALS", "LIN_FORM" ]
2
4.526
2026-02-08T06:26:04.204099Z
{ "verified": true, "answer": 1638, "timestamp": "2026-02-08T06:26:08.730190Z" }
a933ff
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 222, "completion_tokens": 1611 }, "timestamp": "2026-02-13T01:03:03.678Z", "answer": 1638 }, {...
1
[ { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "K15", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V3", "status": "no" ...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
a27d6f
nt_min_coprime_above_v1_1520064083_1196
Let $s$ be the largest prime number $n$ such that $2 \leq n \leq 2160$. Let $m$ be the smallest integer $n$ such that $n > s$, $n \leq 2465$, and $\gcd(n, 302) = 1$. Determine the value of $m$.
2,155
graphs = [ Graph( let={ "start": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Const(2160)), IsPrime(Var("n"))))), "upper": Const(2465), "modulus": Const(302), "result": MinOverSet(set=SolutionsSet(var=Var("n"),...
NT
null
EXTREMUM
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW" ]
dc3ad3
nt_min_coprime_above_v1
null
4
0
[ "MAX_PRIME_BELOW" ]
1
0.05
2026-02-08T03:50:02.696139Z
{ "verified": true, "answer": 2155, "timestamp": "2026-02-08T03:50:02.746150Z" }
002308
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": 3370 }, "timestamp": "2026-02-10T16:03:06.245Z", "answer": 2155 }, { "i...
1
[ { "lemma": "DS2", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "MOD_MUL", "status": "no" } ]
{ "lo": -5.55, "mid": -3.02, "hi": 0.31 }
650801
comb_sum_binomial_row_v1_1218484723_1643
Find the number of ordered pairs $(a, b)$ of positive integers with $1 \leq a \leq b \leq 25$ such that $2b^2 + 2a^2 - 4ab = 242$. Compute $2^n$, where $n$ is this number.
16,384
graphs = [ Graph( let={ "_n": Const(25), "n": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), Ref("_n")), Geq(Var("b"), Const(1)), Leq(Var("b"), Const(25)), Leq(Var("a"), Var("b")), Eq(Sum(Mul(Const(2), Pow(...
COMB
null
SUM
sympy
QF_PSD_ORBIT
[ "QF_PSD_ORBIT" ]
1d37f3
comb_sum_binomial_row_v1
null
4
0
[ "QF_PSD_ORBIT" ]
1
0.001
2026-02-25T03:20:40.875949Z
{ "verified": true, "answer": 16384, "timestamp": "2026-02-25T03:20:40.877436Z" }
e66692
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 176, "completion_tokens": 501 }, "timestamp": "2026-03-29T00:39:40.302Z", "answer": 16384 }, { "i...
2
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "QF_PSD_ORBIT", "status": "ok" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status": "no...
{ "lo": -10, "mid": -6.41, "hi": -2.82 }
3614bc
antilemma_k3_v1_1248542787_737
Let $x$ be the sum of $\phi(d)$ over all positive divisors $d$ of $67846$. Compute the remainder when $37633x$ is divided by $60572$.
17,574
graphs = [ Graph( let={ "x": SumOverDivisors(n=Const(value=67846), var='d', expr=EulerPhi(n=Var(name='d'))), "Q": Mod(value=Mul(Const(37633), Ref("x")), modulus=Const(60572)), }, goal=Ref("Q"), ) ]
NT
COMB
COMPUTE
sympy
K3
[ "K3" ]
54c41e
antilemma_k3_v1
null
5
0
[ "K3" ]
1
0.001
2026-02-08T03:21:36.046675Z
{ "verified": true, "answer": 17574, "timestamp": "2026-02-08T03:21:36.047254Z" }
228789
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 151, "completion_tokens": 1374 }, "timestamp": "2026-02-09T20:32:53.756Z", "answer": 17574 }, { ...
1
[ { "lemma": "K3", "status": "ok" }, { "lemma": "K5", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "V5", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -3.49, "mid": 1.84, "hi": 7.55 }
f2e2dd
algebra_poly_eval_v1_898971024_168
Let $y$ be the number of prime numbers in the interval $[2, 23]$. Compute the value of \[ \frac{24y^5 + 14y^4 - 39y^3 + 4y^2 + 5y - 36}{31}. \]
47,772
graphs = [ Graph( let={ "_n": Const(3), "y": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Const(23)), IsPrime(Var("n"))))), "result": Div(Sum(Mul(Const(24), Pow(Ref("y"), Const(5))), Mul(Const(14), Pow(Ref("y"), Const(4)...
NT
null
COMPUTE
sympy
COUNT_PRIMES
[ "COUNT_PRIMES" ]
07c874
algebra_poly_eval_v1
null
4
0
[ "COUNT_PRIMES" ]
1
0.004
2026-02-08T15:15:50.193665Z
{ "verified": true, "answer": 47772, "timestamp": "2026-02-08T15:15:50.197274Z" }
5c7e01
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 110, "completion_tokens": 835 }, "timestamp": "2026-02-16T02:41:15.192Z", "answer": 47772 }, {...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "ok" }, { "lemma": "K14", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MOD_MUL", "status": ...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
f013b5
nt_count_intersection_v1_655260480_4170
Let $N = 10000$. Consider the set of all positive integers $n$ such that $1 \leq n \leq N$, $11$ divides $n$, and $\gcd(n, 15) = 1$. Let $c$ be the number of such integers. Let $P$ be the set of all prime numbers $p$ such that $2 \leq p \leq 3559$. Let $d$ be the number of elements in $P$. Compute the remainder when ...
3,668
graphs = [ Graph( let={ "_n": Const(3559), "N": Const(10000), "a": Const(11), "b": Const(15), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("N")), Divides(divisor=Ref("a"), dividend=V...
NT
null
COUNT
sympy
COUNT_PRIMES
[ "COUNT_PRIMES" ]
0edcc2
nt_count_intersection_v1
two_moduli
4
0
[ "COUNT_PRIMES" ]
1
0.354
2026-02-08T17:46:56.967295Z
{ "verified": true, "answer": 3668, "timestamp": "2026-02-08T17:46:57.321563Z" }
99c383
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 178, "completion_tokens": 2603 }, "timestamp": "2026-02-18T07:48:00.942Z", "answer": 3668 }, {...
1
[ { "lemma": "COUNT_PRIMES", "status": "ok" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
7f40c3
nt_count_divisible_and_v1_153355830_2762
Let $d_1$ be the number of ordered pairs $(x_1, x_2)$ of positive odd integers such that $x_1 + x_2 = 24$. Let $d_2 = 18$. Determine the number of positive integers $n$ such that $n \leq 133056$, $n$ is divisible by $d_1$, and $n$ is divisible by $d_2$.
3,696
graphs = [ Graph( let={ "_n": Const(24), "upper": Const(133056), "d1": 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...
NT
null
COUNT
sympy
COMB1
[ "COMB1" ]
567f58
nt_count_divisible_and_v1
null
5
0
[ "COMB1" ]
1
9.291
2026-02-08T07:19:51.213800Z
{ "verified": true, "answer": 3696, "timestamp": "2026-02-08T07:20:00.505022Z" }
163a0f
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 1, "correct": { "strict": false, "boxed": false, "relaxed": true }, "usage": { "prompt_tokens": 158, "completion_tokens": 511 }, "timestamp": "2026-02-15T18:58:30.195Z", "answer": 3695 }, { "id": 11, ...
1
[ { "lemma": "COMB1", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "V7", "status":...
{ "lo": -9.14, "mid": -6.05, "hi": -3.73 }
2f7fa3
algebra_poly_eval_v1_809748730_1436
Let $m = 11$. Compute $$ \max\{n \mid 2 \leq n \leq 6,\ n\ \text{is prime}\} \cdot m^3 - 2m^2 - 5m - 8. $$ Let $r$ be the absolute value of this result, and define $n = r + 2$. The Fibonacci sequence is defined by $F_1 = 1$, $F_2 = 1$, and $F_k = F_{k-1} + F_{k-2}$ for $k \geq 3$. Find the smallest positive integer $k$...
2,388
graphs = [ Graph( let={ "m": Const(11), "result": Sum(Mul(MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Const(6)), IsPrime(Var("n"))))), Pow(Ref("m"), Const(3))), Mul(Const(-2), Pow(Ref("m"), Const(2))), Mul(Const(-5), Ref("m")), Const...
NT
null
COMPUTE
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW" ]
dc3ad3
algebra_poly_eval_v1
null
4
0
[ "MAX_PRIME_BELOW" ]
1
0.002
2026-02-08T12:25:38.575131Z
{ "verified": true, "answer": 2388, "timestamp": "2026-02-08T12:25:38.576673Z" }
b1e3d0
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 192, "completion_tokens": 2799 }, "timestamp": "2026-02-15T01:17:01.114Z", "answer": 2388 }, {...
1
[ { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "V1", "status": "no" } ]
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
e5a610
modular_sum_quadratic_residues_v1_601307018_4777
Let $p$ be the minimum value of $|x - y|$ over all ordered pairs $(x, y)$ of positive integers such that $xy = 427812$. Compute $\frac{p(p - 1)}{4}$.
53,015
graphs = [ Graph( let={ "_n": Const(4), "p": 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(427812)))), expr=Abs(arg=Sub(left=Var(name='...
NT
null
SUM
sympy
B3_DIFF
[ "B3_DIFF" ]
b47ea7
modular_sum_quadratic_residues_v1
null
3
0
[ "B3_DIFF" ]
1
0.003
2026-03-10T05:28:08.716994Z
{ "verified": true, "answer": 53015, "timestamp": "2026-03-10T05:28:08.720206Z" }
6485ea
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 161, "completion_tokens": 12232 }, "timestamp": "2026-03-29T13:26:05.478Z", "answer": 6271268 }, {...
1
[ { "lemma": "B3_DIFF", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "V1", "status": "no" } ]
{ "lo": 1.19, "mid": 4.27, "hi": 6.7 }
4d3ce3
comb_binomial_compute_v1_1353956133_369
Let $n$ be the number of positive integers $j$ at most $14$ such that $j^d \leq 537824$, where $d$ is the smallest divisor of $4235$ that is at least $2$. Let $k = \sum_{k=1}^{3} k$. Compute $\binom{n}{k}$.
3,003
graphs = [ Graph( let={ "_m": Const(4235), "_n": Const(14), "n": CountOverSet(set=SolutionsSet(var=Var("j"), condition=And(Geq(Var("j"), Const(1)), Leq(Var("j"), Ref("_n")), Leq(Pow(Var("j"), MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(2)),...
NT
null
COMPUTE
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR/C3", "SUM_ARITHMETIC" ]
8ab5e0
comb_binomial_compute_v1
null
5
0
[ "C3", "MIN_PRIME_FACTOR", "SUM_ARITHMETIC" ]
3
0.003
2026-02-08T11:25:41.586631Z
{ "verified": true, "answer": 3003, "timestamp": "2026-02-08T11:25:41.589418Z" }
321b1d
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 119, "completion_tokens": 973 }, "timestamp": "2026-02-14T13:42:32.608Z", "answer": 3003 }, { ...
1
[ { "lemma": "C3", "status": "ok_later" }, { "lemma": "DS2", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "SUM_ARITHMETIC", "sta...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
e32a58
geo_visible_lattice_v1_601307018_597
For each integer $a$ with $0 \le a \le 960$, define $M = (a^2 + 394) \bmod 961$, $R = (M^2 + 394) \bmod 961$, $S = (R^2 + 394) \bmod 961$, and $T = (S^2 + 394) \bmod 961$. Let $n$ be the number of such $a$ for which $T = a$, $M \ne a$, $R \ne a$, and $S \ne a$. Compute the number of lattice points $(x,y)$ with $1 \le x...
2,203
graphs = [ Graph( let={ "_n": Const(394), "n": CountOverSet(set=SolutionsSet(var=Var("a"), condition=And(Geq(Var("a"), Const(0)), Leq(Var("a"), Const(960)), Eq(Ref("_po_p4"), Var("a")), Neq(Ref("_po_p1"), Var("a")), Neq(Ref("_po_p2"), Var("a")), Neq(Ref("_po_p3"), Var("a"))))), ...
GEOM
GEOM
COUNT
sympy
POLY_ORBIT_HENSEL
[ "POLY_ORBIT_HENSEL" ]
53b6eb
geo_visible_lattice_v1
null
6
0
[ "POLY_ORBIT_HENSEL" ]
1
0.09
2026-03-10T01:07:24.362685Z
{ "verified": true, "answer": 2203, "timestamp": "2026-03-10T01:07:24.452266Z" }
092a6c
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 269, "completion_tokens": 32768 }, "timestamp": "2026-03-28T23:33:30.027Z", "answer": null }, { ...
1
[ { "lemma": "POLY_ORBIT_HENSEL", "status": "ok" } ]
{ "lo": 4.01, "mid": 6.11, "hi": 9.15 }
db55c0
comb_catalan_compute_v1_655260480_118
Let $n$ be the number of integers $t$ such that $5 \leq t \leq 17$ and there exist integers $a$ and $b$ with $1 \leq a \leq 4$, $1 \leq b \leq 3$, and $t = 2a + 3b$. Define $C_n$ to be the $n$th Catalan number. Compute the remainder when $89971 \cdot C_n$ is divided by $97494$.
83,200
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=4)), Geq(left=Var(name='b'), right=Const(value=1...
COMB
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
comb_catalan_compute_v1
null
4
0
[ "LIN_FORM" ]
1
0.019
2026-02-08T15:13:16.043773Z
{ "verified": true, "answer": 83200, "timestamp": "2026-02-08T15:13:16.063203Z" }
e7fb7c
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 220, "completion_tokens": 6210 }, "timestamp": "2026-02-24T20:20:30.308Z", "answer": 83200 }, { "...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "st...
{ "lo": -2.43, "mid": 1.2, "hi": 4.84 }
691ece
modular_mod_compute_v1_1918700295_4497
Let $a = 49729$, $m = 86436$, and $n_0 = 85555$. Let $r$ be the remainder when $a$ is divided by $m$. Let $c$ be the maximum value of $xy$ over all ordered pairs of positive integers $(x, y)$ such that $x + y = 186$. Let $Q$ be the remainder when $c - r$ is divided by $n_0$. Find the value of $Q$.
44,475
graphs = [ Graph( let={ "_n": Const(85555), "a": Const(49729), "m": Const(86436), "result": Mod(value=Ref("a"), modulus=Ref("m")), "_c": MaxOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(a...
NT
null
COMPUTE
sympy
B1
[ "B1" ]
d2b6e1
modular_mod_compute_v1
negation_mod
3
0
[ "B1" ]
1
0.001
2026-02-08T09:24:45.263345Z
{ "verified": true, "answer": 44475, "timestamp": "2026-02-08T09:24:45.264715Z" }
ee45e2
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": 532 }, "timestamp": "2026-02-14T04:03:20.805Z", "answer": 44475 }, {...
1
[ { "lemma": "B1", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -6.96, "mid": -4.56, "hi": -1.46 }
10e3a6
nt_count_divisible_and_v1_124444284_7176
Let $N$ be the number of positive integers $n$ such that $1 \le n \le 132012$, $n$ is divisible by $12$, and the remainder when $n$ is divided by $18$ equals $\sum_{k=0}^{7} (-1)^k \binom{7}{k}$. Find $N$.
3,667
graphs = [ Graph( let={ "upper": Const(132012), "d1": Const(12), "d2": Const(18), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("upper")), Eq(Mod(value=Var("n"), modulus=Ref("d1")), Const(0)), Eq...
COMB
null
COUNT
sympy
BINOMIAL_ALTERNATING
[ "BINOMIAL_ALTERNATING" ]
c21569
nt_count_divisible_and_v1
null
4
0
[ "BINOMIAL_ALTERNATING" ]
1
4.388
2026-02-08T08:54:26.313622Z
{ "verified": true, "answer": 3667, "timestamp": "2026-02-08T08:54:30.701901Z" }
46d20e
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 185, "completion_tokens": 1005 }, "timestamp": "2026-02-24T10:07:12.986Z", "answer": 3667 }, { "i...
1
[ { "lemma": "BINOMIAL_ALTERNATING", "status": "ok" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status...
{ "lo": -7.18, "mid": -5, "hi": -3.01 }
621782
geo_count_lattice_rect_v1_1526740231_80
Let $a = 121$ and $b = 157$. Define a lattice point as a point $(x, y)$ in the plane where both $x$ and $y$ are integers. Compute the number of lattice points in the rectangle defined by $0 \leq x \leq a$ and $0 \leq y \leq b$.
19,276
graphs = [ Graph( let={ "a": Const(121), "b": Const(157), "result": LatticePointsRect(a=Ref(name='a'), b=Ref(name='b')), }, goal=Ref("result"), ) ]
GEOM
null
COUNT
sympy
[]
geo_count_lattice_rect_v1
null
3
0
null
null
0.001
2026-02-08T11:20:42.738272Z
{ "verified": true, "answer": 19276, "timestamp": "2026-02-08T11:20:42.738986Z" }
289f86
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 185, "completion_tokens": 274 }, "timestamp": "2026-02-24T13:22:40.388Z", "answer": 19276 }, { "i...
1
[]
{ "lo": -4.92, "mid": -2.91, "hi": -0.68 }
8b38b3
nt_min_with_divisor_count_v1_784195855_6284
Let $ m = 4 $ and $ n = 2 $. Consider all pairs of positive integers $ (x, y) $ such that $ x + y = m $. Let $ P $ be the set of all values of $ xy $ for such pairs. Let $ d $ be the largest prime number $ p $ satisfying $ n \leq p \leq \max(P) $. Now let $ S $ be the set of positive integers $ k $ such that $ 1 \leq k...
4
graphs = [ Graph( let={ "_m": Const(4), "_n": Const(2), "upper": Const(53824), "div_count": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Ref("_n")), Leq(Var("n"), MaxOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"),...
NT
null
EXTREMUM
sympy
MIN_PRIME_FACTOR
[ "B1/MAX_PRIME_BELOW" ]
2fc9f0
nt_min_with_divisor_count_v1
null
6
0
[ "B1", "MAX_PRIME_BELOW", "MIN_PRIME_FACTOR" ]
3
2.628
2026-02-08T08:32:14.124589Z
{ "verified": true, "answer": 4, "timestamp": "2026-02-08T08:32:16.752811Z" }
20e0c5
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 182, "completion_tokens": 531 }, "timestamp": "2026-02-13T19:32:40.318Z", "answer": 4 }, { ...
1
[ { "lemma": "B1", "status": "ok" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok_later" }, { "lemma": "V8", "status": "no" }, ...
{ "lo": -7.01, "mid": -4.68, "hi": -2.15 }
c5257d
antilemma_sum_equals_v1_124444284_9855
Let $S$ be the set of all ordered pairs $(i,j)$ of integers such that $1 \le i \le 19$, $1 \le j \le 19$, and $i + j = 20$. Let $x$ be the number of elements in $S$. Compute $\sum_{n=1}^{x} \tau(n)$, where $\tau(n)$ denotes the number of positive divisors of $n$.
60
graphs = [ Graph( let={ "_n": Const(20), "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(19)), right=IntegerRange(start=Const(1), end=Con...
COMB
GEOM
COMPUTE
sympy
COUNT_SUM_EQUALS
[ "COUNT_SUM_EQUALS" ]
75ab0f
antilemma_sum_equals_v1
null
4
0
[ "COUNT_SUM_EQUALS" ]
1
0.01
2026-02-08T12:42:15.410461Z
{ "verified": true, "answer": 60, "timestamp": "2026-02-08T12:42:15.420700Z" }
0f648f
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 202, "completion_tokens": 1207 }, "timestamp": "2026-02-24T16:14:05.630Z", "answer": 60 }, { "id"...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8_SUM", "status":...
{ "lo": -2.35, "mid": 1.22, "hi": 4.84 }
8a3cce
geo_count_lattice_triangle_v1_458359167_4122
Let $A$ be the area of the triangle with vertices at $(100, 64)$, $(24, 111)$, and $(0, 0)$, multiplied by 2. Let $B$ be the number of lattice points on the boundary of this triangle, computed using the formula \[ B = \gcd(100, 64) + \gcd(|24 - 100|, |111 - 64|) + \gcd(|0 - 24|, |0 - 111|). \] Compute the quantity \[ \...
4,779
graphs = [ Graph( let={ "area_2x": Abs(arg=Sum(Mul(Const(value=100), Const(value=111)), Mul(Const(value=24), Sub(left=Const(value=0), right=Const(value=64))))), "boundary": Sum(GCD(a=Abs(arg=Const(value=100)), b=Abs(arg=Const(value=64))), GCD(a=Abs(arg=Sub(left=Const(value=24), right...
ALG
NT
COUNT
sympy
[]
geo_count_lattice_triangle_v1
null
5
0
null
null
0.003
2026-02-08T11:32:03.513441Z
{ "verified": true, "answer": 4779, "timestamp": "2026-02-08T11:32:03.516118Z" }
afbd6d
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 171, "completion_tokens": 868 }, "timestamp": "2026-02-14T15:28:00.812Z", "answer": 4779 }, { ...
1
[]
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
084a19_n
modular_modexp_compute_v1_601307018_2651
A game designer creates a puzzle where two players must pick positive integers $x$ and $y$ such that their product is exactly $684$. The score is the absolute difference $|x - y|$, and the goal is to minimize this score. Let $a$ be the smallest possible score. The system then computes $M = a^{128} \bmod 84100$ as a sec...
83,907
NT
null
COMPUTE
sympy
B3_DIFF
[ "B3_DIFF" ]
b47ea7
modular_modexp_compute_v1
null
4
null
[ "B3_DIFF" ]
1
0.002
2026-03-10T03:19:10.998354Z
null
c92d30
084a19
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": 7455 }, "timestamp": "2026-03-29T16:29:08.823Z", "answer": 83907 }, { "...
1
[ { "lemma": "B3_DIFF", "status": "ok" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "V1", "status": "no" } ]
{ "lo": -5.36, "mid": 0.27, "hi": 5.45 }
e1c8e6
diophantine_product_count_v1_153355830_471
Let $n = 21$ and $k = 240$. Define $$ S = \sum_{i=1}^{21} \phi(i) \left\lfloor \frac{21}{i} \right\rfloor. $$ Let $T$ be the number of positive integers $x$ such that $1 \leq x \leq S$, $x$ divides $k$, and $\frac{k}{x} \leq S$. Compute $T$.
18
graphs = [ Graph( let={ "_n": Const(21), "k": Const(240), "upper": Summation(var="k", start=Const(1), end=Const(21), expr=Mul(EulerPhi(n=Var("k")), Floor(Div(Ref("_n"), Var("k"))))), "result": CountOverSet(set=SolutionsSet(var=Var("x"), condition=And(Geq(Var("...
NT
null
COUNT
sympy
K2
[ "K2" ]
6897ab
diophantine_product_count_v1
null
6
0
[ "K2" ]
1
0.01
2026-02-08T03:07:30.832988Z
{ "verified": true, "answer": 18, "timestamp": "2026-02-08T03:07:30.843204Z" }
6c0cd1
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": 3827 }, "timestamp": "2026-02-10T12:54:29.832Z", "answer": 18 }, { "id"...
1
[ { "lemma": "K14", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V1", "status": "no" } ]
{ "lo": -5.55, "mid": -3.02, "hi": 0.3 }
c7683d
nt_sum_divisors_mod_v1_2051736721_4959
Let $n = 27720$, and let $\sigma$ denote the sum of all positive divisors of $n$. Let $M = 11257$, and define $r$ to be the remainder when $\sigma$ is divided by $M$. Let $S$ be the set of all positive integers $p$ for which there exists a positive integer $q$ such that $pq = 1951169220$, $\gcd(p, q) = 1$, and $p < q$....
32,573
graphs = [ Graph( let={ "n": Const(27720), "M": Const(11257), "sigma": SumDivisors(n=Ref("n")), "result": Mod(value=Ref("sigma"), modulus=Ref("M")), "Q": Mod(value=Sum(Pow(Ref("result"), Const(2)), Mul(Const(30), Ref("result")), CountOverSet(set=So...
NT
null
COMPUTE
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS" ]
14fbb8
nt_sum_divisors_mod_v1
quadratic_mod
4
0
[ "COPRIME_PAIRS" ]
1
0.002
2026-02-08T18:17:00.367300Z
{ "verified": true, "answer": 32573, "timestamp": "2026-02-08T18:17:00.369310Z" }
a3003f
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 177, "completion_tokens": 4389 }, "timestamp": "2026-02-18T15:59:05.833Z", "answer": 32573 }, ...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
ede4e2_n
modular_sum_quadratic_residues_v1_601307018_2589
Two positive numbers $x$ and $y$ multiply to $147773833$. Let $D$ be the smallest possible value of $|x - y|$. Let $R$ be the largest prime number not exceeding $D$. A device generates values of the form $50a^2 - 90ab + 41b^2$ where $a$ and $b$ are integers from $1$ to $14$. Let $p$ be how many distinct positive output...
7,439
NT
null
SUM
sympy
B3_DIFF
[ "B3_DIFF/MAX_PRIME_BELOW/QF_PSD_DISTINCT" ]
2d97d2
modular_sum_quadratic_residues_v1
null
7
null
[ "B3_DIFF", "MAX_PRIME_BELOW", "QF_PSD_DISTINCT" ]
3
0.009
2026-03-10T03:16:45.592188Z
null
eab7dd
ede4e2
narrative
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 232, "completion_tokens": 32768 }, "timestamp": "2026-03-29T16:28:22.323Z", "answer": null }, { ...
1
[ { "lemma": "B3_DIFF", "status": "ok" }, { "lemma": "K13", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok_later" }, {...
{ "lo": 1.7, "mid": 5.03, "hi": 8.38 }
494acc
nt_min_coprime_above_v1_1978505735_2425
Let $n$ be a positive integer. Define $A$ as the set of all positive integers $n$ such that $1 \leq n \leq 11369$ and $\gcd(n, 20) = 1$. Let $S$ be the number of elements in $A$. Determine the smallest integer $n_1$ such that $4096 < n_1 \leq S$ and $\gcd(n_1, 442) = 1$.
4,099
graphs = [ Graph( let={ "_n": Const(11369), "start": Const(4096), "upper": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("_n")), Eq(GCD(a=Var("n"), b=Const(20)), Const(1))))), "modulus": Const(442), ...
NT
null
EXTREMUM
sympy
C4
[ "C4" ]
08d162
nt_min_coprime_above_v1
null
5
0
[ "C4" ]
1
0.041
2026-02-08T16:53:28.436250Z
{ "verified": true, "answer": 4099, "timestamp": "2026-02-08T16:53:28.476852Z" }
5948b0
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 144, "completion_tokens": 1224 }, "timestamp": "2026-02-17T14:03:05.840Z", "answer": 4099 }, {...
1
[ { "lemma": "C4", "status": "ok" }, { "lemma": "K13", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
358d04
antilemma_sum_equals_v1_1520064083_3425
Let $m = 40$. Determine the number of ordered pairs of positive odd integers $(x_1, x_2)$ such that $x_1 + x_2 = m$. Call this number $n$. Now consider the set of all ordered pairs $(i, j)$ where $1 \leq i \leq 19$ and $1 \leq j \leq 20$. Compute the number of such pairs for which $i + j = n$.
19
graphs = [ Graph( let={ "_m": Const(40), "_n": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x1"), Var("x2")]), condition=And(IsPositive(arg=Var(name='x1')), IsPositive(arg=Var(name='x2')), IsOdd(arg=Var(name='x1')), IsOdd(arg=Var(name='x2')), Eq(Sum(Var("x1"), Var("x2")), R...
COMB
GEOM
COMPUTE
sympy
LIN_FORM
[ "COMB1/COUNT_SUM_EQUALS", "COUNT_SUM_EQUALS" ]
3e1adf
antilemma_sum_equals_v1
null
4
0
[ "COMB1", "COUNT_SUM_EQUALS", "LIN_FORM" ]
3
0.043
2026-02-08T05:39:08.258404Z
{ "verified": true, "answer": 19, "timestamp": "2026-02-08T05:39:08.301073Z" }
966128
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 209, "completion_tokens": 1921 }, "timestamp": "2026-02-24T04:16:41.745Z", "answer": 19 }, { "id"...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COMB1", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "V7", "statu...
{ "lo": -7.18, "mid": -5, "hi": -3.01 }
d655af
comb_binomial_compute_v1_1218484723_1179
Let $N$ be the minimum value of $x + y$ over all ordered pairs $(x, y)$ of positive integers such that $xy = 7496644$. Let $k$ be the number of ordered pairs $(a, b)$ with $1 \le a, b \le 30$ satisfying $$ 27b^3 + 108a b^2 + 64a^3 + C \cdot a^2 b = 551368, $$ where $C$ is the number of pairs $(a_1, b_1)$ with $1 \le a_...
76,361
graphs = [ Graph( let={ "_m": Const(25), "_n": Const(30), "n": Const(15), "k": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), Ref("_n")), Geq(Var("b"), Const(1)), Leq(Var("b"), Const...
COMB
null
COMPUTE
sympy
QF_PSD_COUNT_LEQ
[ "QF_PSD_COUNT_LEQ/POLY3_COUNT", "B3" ]
bc07bb
comb_binomial_compute_v1
negation_mod
7
0
[ "B3", "POLY3_COUNT", "QF_PSD_COUNT_LEQ" ]
3
0.008
2026-02-25T02:58:08.813191Z
{ "verified": true, "answer": 76361, "timestamp": "2026-02-25T02:58:08.820854Z" }
0c5502
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 307, "completion_tokens": 32768 }, "timestamp": "2026-03-29T00:11:30.717Z", "answer": null }, { ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "POLY3_COUNT", "...
{ "lo": 0.8, "mid": 3.7, "hi": 5.71 }
89261d
comb_binomial_compute_v1_1218484723_4458
Let $k$ be the number of ordered pairs $(a, b)$ of positive integers with $1 \le a, b \le 30$ such that $-56a^3 - 6ab^2 + 36a^2b = -728$. Let $M = \binom{12}{k}$. Find the remainder when $44121 \cdot M$ is divided by $54083$.
6,214
graphs = [ Graph( let={ "_n": Const(44121), "n": Const(12), "k": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), Const(30)), Geq(Var("b"), Const(1)), Leq(Var("b"), Const(30)), Eq(Sum(Mul(Const(-5...
COMB
null
COMPUTE
sympy
POLY3_COUNT
[ "POLY3_COUNT" ]
355dbe
comb_binomial_compute_v1
null
4
0
[ "POLY3_COUNT" ]
1
0.002
2026-02-25T06:05:36.578874Z
{ "verified": true, "answer": 6214, "timestamp": "2026-02-25T06:05:36.580607Z" }
5108a5
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 198, "completion_tokens": 3141 }, "timestamp": "2026-03-29T15:49:09.202Z", "answer": 6214 }, { "i...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "POLY3_COUNT", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8_SUM", "status": "n...
{ "lo": -2.45, "mid": 1.37, "hi": 5.29 }
ee6246
sequence_count_fib_divisible_v1_1918700295_2772
Let $u = 674$ and $d = 10$. Determine the number of positive integers $n$ such that $1 \leq n \leq 674$ and the $n$th Fibonacci number is divisible by $10$.
44
graphs = [ Graph( let={ "upper": Const(674), "d": Const(10), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("upper")), Divides(divisor=Ref("d"), dividend=Fibonacci(arg=Var(name='n')))))), }, g...
NT
null
COUNT
sympy
COPRIME_PAIRS
[ "SUM_DIVISIBLE" ]
02dbe3
sequence_count_fib_divisible_v1
null
4
0
[ "COPRIME_PAIRS", "SUM_DIVISIBLE" ]
2
0.18
2026-02-08T08:12:06.078471Z
{ "verified": true, "answer": 44, "timestamp": "2026-02-08T08:12:06.258866Z" }
6f8131
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 96, "completion_tokens": 1301 }, "timestamp": "2026-02-13T15:46:39.283Z", "answer": 44 }, { ...
1
[ { "lemma": "K5", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "SUM_DIVISIBLE", "status": "...
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
c1ce94
sequence_count_fib_divisible_v1_865884756_3628
Let $n = 5717$. Define $\text{upper}$ to be the number of prime numbers $p$ such that $2 \leq p \leq n$. Let $d = 13$. Compute the number of positive integers $n_1$ such that $1 \leq n_1 \leq \text{upper}$ and $d$ divides the $n_1$-th Fibonacci number.
107
graphs = [ Graph( let={ "_n": Const(5717), "upper": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Ref("_n")), IsPrime(Var("n"))))), "d": Const(13), "result": CountOverSet(set=SolutionsSet(var=Var("n1"), condit...
NT
null
COUNT
sympy
COUNT_PRIMES
[ "COUNT_PRIMES" ]
07c874
sequence_count_fib_divisible_v1
null
6
0
[ "COUNT_PRIMES" ]
1
0.051
2026-02-08T17:31:30.143524Z
{ "verified": true, "answer": 107, "timestamp": "2026-02-08T17:31:30.194894Z" }
5d5697
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 131, "completion_tokens": 2189 }, "timestamp": "2026-02-18T03:34:52.880Z", "answer": 107 }, { ...
1
[ { "lemma": "COUNT_PRIMES", "status": "ok" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
5f866a
comb_binomial_compute_v1_124444284_6961
Let $P$ be the set of all ordered pairs $(x, y)$ of positive integers such that $xy = 324$. Let $s_1$ be the minimum value of $x + y$ as $(x, y)$ ranges over $P$. Now, let $Q$ be the set of all ordered pairs $(x, y)$ of positive integers such that $xy = s_1$. Let $s_2$ be the minimum value of $x + y$ as $(x, y)$ ranges...
792
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(324)))), expr=Sum(Var("x"), Var("y")))), "n": MinOverSet(se...
ALG
COMB
COMPUTE
sympy
B3
[ "B3/B3" ]
8ffef9
comb_binomial_compute_v1
null
6
0
[ "B3" ]
1
0.002
2026-02-08T08:44:00.572272Z
{ "verified": true, "answer": 792, "timestamp": "2026-02-08T08:44:00.573998Z" }
7aa143
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 232, "completion_tokens": 786 }, "timestamp": "2026-02-24T09:58:36.108Z", "answer": 792 }, { "id"...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": -7.18, "mid": -5, "hi": -3.01 }
320547
nt_count_divisors_in_range_v1_1526740231_192
Let $T$ be the set of all positive integers $t$ such that $10 \leq t \leq 2548$ and there exist positive integers $a$ and $b$ with $1 \leq a \leq 630$, $1 \leq b \leq 94$, and $t = 3a + 7b$. Let $m = |T|$. Let $P$ be the set of all prime numbers $n$ such that $2 \leq n \leq m$. Define $p_{\text{max}}$ to be the maximum...
76,659
graphs = [ Graph( let={ "_n": Const(2), "n": Const(20160), "a": Const(8), "b": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Ref("_n")), Leq(Var("n"), CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condi...
NT
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM/MAX_PRIME_BELOW" ]
47006e
nt_count_divisors_in_range_v1
null
6
0
[ "LIN_FORM", "MAX_PRIME_BELOW" ]
2
0.027
2026-02-08T11:23:38.464625Z
{ "verified": true, "answer": 76659, "timestamp": "2026-02-08T11:23:38.491419Z" }
c93d74
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 219, "completion_tokens": 6925 }, "timestamp": "2026-02-14T13:08:28.703Z", "answer": 76659 }, ...
1
[ { "lemma": "K17", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok_later" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "V7", "status": "no" }...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
328f45
antilemma_k2_v1_1742523217_4480
Compute the value of $$\sum_{k=1}^{166} \phi(k) \left\lfloor \frac{166}{k} \right\rfloor.$$
13,861
graphs = [ Graph( let={ "x": Summation(var="k", start=Const(1), end=Const(166), expr=Mul(EulerPhi(n=Var("k")), Floor(Div(Const(166), Var("k"))))), }, goal=Ref("x"), ) ]
NT
COMB
COMPUTE
sympy
K2
[ "K2" ]
6897ab
antilemma_k2_v1
null
7
0
[ "K2" ]
1
0
2026-02-08T07:19:00.728702Z
{ "verified": true, "answer": 13861, "timestamp": "2026-02-08T07:19:00.729117Z" }
0821c0
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 81, "completion_tokens": 594 }, "timestamp": "2026-02-13T09:20:09.062Z", "answer": 13861 }, { ...
1
[ { "lemma": "DS2", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "V3", "status": "no" }, { "lemma": "V7", "status": "no" } ]
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
2863c0
alg_poly_orbit_hensel_v1_1218484723_3268
Define a sequence modulo $1681$ by $N = a^2 + 694 \bmod 1681$, $M = N^2 + 694 \bmod 1681$, and $R = M^2 + 694 \bmod 1681$. Find the number of non-negative integers $a$ with $0 \leq a \leq 159694$ such that $R = a$, $N \neq a$, and $M \neq a$.
285
graphs = [ Graph( let={ "p1": Mod(value=Sum(Pow(Var("a"), Const(2)), Const(694)), modulus=Const(1681)), "p2": Mod(value=Sum(Pow(Ref("p1"), Const(2)), Const(694)), modulus=Const(1681)), "p3": Mod(value=Sum(Pow(Ref("p2"), Const(2)), Const(694)), modulus=Const(1681)), ...
ALG
null
COUNT
sympy
POLY_ORBIT_COUNT
[ "POLY_ORBIT_COUNT" ]
4ad965
alg_poly_orbit_hensel_v1
null
4
null
[ "POLY_ORBIT_COUNT" ]
1
0.029
2026-02-25T04:58:31.664150Z
{ "verified": true, "answer": 285, "timestamp": "2026-02-25T04:58:31.692839Z" }
536bd7
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 212, "completion_tokens": 9832 }, "timestamp": "2026-03-29T09:16:38.997Z", "answer": 285 }, { "id...
1
[ { "lemma": "POLY_ORBIT_COUNT", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": 1.55, "mid": 4.7, "hi": 7.23 }
99b596
comb_factorial_compute_v1_1526740231_23
Let $\mathcal{P}$ be the set of all positive integers $p$ for which there exists an integer $q$ such that $pq = 18$, $\gcd(p, q) = 1$, and $p < q$. Let $m = 18$ and define $\ell$ to be the number of elements in $\mathcal{P}$. Let $n$ be the number of nonnegative integers $j$ such that $0 \leq j \leq 20482$ and $\binom{...
61,407
graphs = [ Graph( let={ "_m": Const(20482), "_n": Const(76371), "n": CountOverSet(set=SolutionsSet(var=Var("j"), condition=And(Geq(Var("j"), Const(0)), Leq(Var("j"), Ref("_m")), Eq(Mod(value=Binom(n=Const(20482), k=Var("j")), modulus=CountOverSet(set=SolutionsSet(var=Var(...
NT
null
COMPUTE
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS/V8" ]
93b9b8
comb_factorial_compute_v1
null
5
0
[ "COPRIME_PAIRS", "V8" ]
2
0.003
2026-02-08T11:18:33.297611Z
{ "verified": true, "answer": 61407, "timestamp": "2026-02-08T11:18:33.300612Z" }
f92bd2
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 206, "completion_tokens": 2386 }, "timestamp": "2026-02-14T11:50:07.966Z", "answer": 61407 }, ...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "K17", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "V3", "status": "no" }, { "lemma": "V5", "status": "no" }, { "le...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
2b055b
comb_factorial_compute_v1_1439011603_1928
Let $n$ be the number of positive integers $n_1$ such that $1 \leq n_1 \leq 39$ and $n_1 \equiv \left\lfloor \frac{n_1}{2} \right\rfloor \pmod{5}$. Compute the value of $n!$.
5,040
graphs = [ Graph( let={ "_n": Const(39), "n": CountOverSet(set=SolutionsSet(var=Var("n1"), condition=And(Geq(Var("n1"), Const(1)), Leq(Var("n1"), Ref("_n")), Congruent(a=Var(name='n1'), b=Floor(arg=Div(left=Var(name='n1'), right=Const(value=2))), modulus=Const(value=5))))), ...
NT
null
COMPUTE
sympy
L3C
[ "L3C" ]
73f8b0
comb_factorial_compute_v1
null
5
0
[ "L3C" ]
1
0.002
2026-02-08T16:23:14.265353Z
{ "verified": true, "answer": 5040, "timestamp": "2026-02-08T16:23:14.267203Z" }
9dfb39
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": 862 }, "timestamp": "2026-02-17T01:45:14.505Z", "answer": 5040 }, { ...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "L3C", "status": "ok" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
5dc96d
diophantine_fbi2_min_v1_458359167_4506
Let $k$ be the minimum value of $x + y$ over all ordered pairs of positive integers $(x, y)$ such that $xy = 1296$. Let $S$ be the set of integers $d$ such that $2 \leq d \leq 82$, $d$ divides $k$, and $\frac{k}{d} \geq 7$. Define $r$ to be the smallest element of $S$. Let $T$ be the set of integers $t$ with $10 \leq t...
31
graphs = [ Graph( let={ "_n": Const(1296), "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")))), expr=Sum(Var("x"), Var("y")))), ...
NT
null
EXTREMUM
sympy
LIN_FORM
[ "LIN_FORM", "B3" ]
ad075d
diophantine_fbi2_min_v1
negation_mod
6
0
[ "B3", "LIN_FORM" ]
2
0.032
2026-02-08T11:49:17.962483Z
{ "verified": true, "answer": 31, "timestamp": "2026-02-08T11:49:17.994391Z" }
feab16
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 203, "completion_tokens": 2040 }, "timestamp": "2026-02-14T20:04:57.667Z", "answer": 31 }, { ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "K18", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "V3", ...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
0e16c2
nt_sum_divisors_mod_v1_124444284_5781
Let $n$ be the number of positive integers $t$ such that $25 \leq t \leq 270$ and there exist positive integers $a$ and $b$ with $1 \leq a \leq 6$, $1 \leq b \leq 106$, and $t = 7a + 2b + 16$. Let $\sigma(n)$ denote the sum of all positive divisors of $n$. Compute $\sigma(n)$ modulo $11587$, and let this value be $r$. ...
29,184
graphs = [ Graph( let={ "_n": Const(66420), "n": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=6)), Geq(left=Va...
NT
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
nt_sum_divisors_mod_v1
null
4
0
[ "LIN_FORM" ]
1
0.002
2026-02-08T06:50:00.769790Z
{ "verified": true, "answer": 29184, "timestamp": "2026-02-08T06:50:00.772161Z" }
b45349
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 179, "completion_tokens": 3679 }, "timestamp": "2026-02-13T05:09:57.446Z", "answer": 29184 }, ...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V3", "status": "no" }, { "lemma": "V5", "status": "no" } ]
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
b95fc0
comb_binomial_compute_v1_784195855_795
Let $ n = 12 $, and let $ k $ be the largest prime number between $ 2 $ and $ 6 $, inclusive. Define $ \binom{n}{k} $ to be the binomial coefficient $ \frac{n!}{k!(n-k)!} $. Let $ Q $ be the smallest positive integer $ m $ such that the $ m $-th Fibonacci number is divisible by $ \left| \binom{n}{k} \right| + 2 $. Find...
597
graphs = [ Graph( let={ "n": Const(12), "k": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Const(6)), IsPrime(Var("n"))))), "result": Binom(n=Ref("n"), k=Ref("k")), "Q": FibonacciEntryPoint(modulus=Sum(Abs(arg=R...
NT
null
COMPUTE
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW" ]
dc3ad3
comb_binomial_compute_v1
null
3
0
[ "MAX_PRIME_BELOW" ]
1
0.001
2026-02-08T04:37:32.679246Z
{ "verified": true, "answer": 597, "timestamp": "2026-02-08T04:37:32.680459Z" }
dcebcd
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 222, "completion_tokens": 5725 }, "timestamp": "2026-02-10T17:26:17.043Z", "answer": 597 }, { "i...
1
[ { "lemma": "K16", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "V8", "status": "no" } ]
{ "lo": -3.49, "mid": 1.84, "hi": 7.55 }
3f0e1a
antilemma_v8_lucas_1742523217_535
Let $m = 52655$. Let $n$ be the number of positive integers $p$ for which there exists an integer $q$ such that $pq = 24$, $\gcd(p, q) = 1$, and $p < q$. Let $x$ be the number of nonnegative integers $j$ with $0 \leq j \leq m$ such that $$ \binom{52655}{j} \equiv 1 \pmod{n}. $$Let $c = 53891$. Compute the remainder whe...
27,916
graphs = [ Graph( let={ "_m": Const(52655), "_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=24)), Eq(left=GCD(a=Var(name='p'), b=Var(nam...
NT
COMB
COMPUTE
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS/V8", "V8" ]
8c6b98
antilemma_v8_lucas
null
7
0
[ "COPRIME_PAIRS", "V8" ]
2
0.005
2026-02-08T03:06:50.946220Z
{ "verified": true, "answer": 27916, "timestamp": "2026-02-08T03:06:50.950778Z" }
1aee83
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 252, "completion_tokens": 3140 }, "timestamp": "2026-02-09T19:12:18.200Z", "answer": 27916 }, { "...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "MOD_SUB", "status"...
{ "lo": -6.51, "mid": -0.31, "hi": 5.43 }
d5dc33
nt_count_divisible_and_v1_1439011603_776
Let $d_2$ be the number of integers $t$ with $27 \leq t \leq 96$ for which there exist integers $a$ and $b$ such that $1 \leq a \leq 2$, $1 \leq b \leq 9$, and $t = 21a + 6b$. Compute the number of positive integers $n \leq 105768$ such that $n$ is divisible by $12$ and $n$ is divisible by $d_2$.
2,938
graphs = [ Graph( let={ "upper": Const(105768), "d1": Const(12), "d2": 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
nt_count_divisible_and_v1
null
4
0
[ "LIN_FORM" ]
1
3.62
2026-02-08T15:42:34.456808Z
{ "verified": true, "answer": 2938, "timestamp": "2026-02-08T15:42:38.076987Z" }
46f02d
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 176, "completion_tokens": 307 }, "timestamp": "2026-02-16T06:18:15.673Z", "answer": 8814 }, { "id": 11,...
1
[ { "lemma": "K15", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "V8_SUM", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -8.26, "mid": -5.01, "hi": -1.76 }