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1a235e
antilemma_k2_v1_1874849503_35
Let $S$ be the set of all ordered pairs $(k, j)$ of positive integers such that $1 \leq k \leq 356$ and $1 \leq j \leq 8$. Define $x = \frac{6}{48} \sum_{(k,j) \in S} \varphi(k) \left\lfloor \frac{356}{k} \right\rfloor$. Let $d_i$ denote the $i$-th decimal digit of $|x|$, starting from the units digit as $i=0$. Compute...
35,234
graphs = [ Graph( let={ "_n": Const(48), "x": 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(356)), right=IntegerRange(start=Const(1), end=...
NT
COMB
COMPUTE
sympy
SUM_INDEPENDENT
[ "SUM_INDEPENDENT/K2", "IDENTITY_POW_ZERO", "K2" ]
6fbc40
antilemma_k2_v1
null
4
0
[ "IDENTITY_POW_ZERO", "K2", "SUM_INDEPENDENT" ]
3
0.004
2026-02-08T12:46:19.125438Z
{ "verified": true, "answer": 35234, "timestamp": "2026-02-08T12:46:19.129782Z" }
a8820c
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 273, "completion_tokens": 1616 }, "timestamp": "2026-02-10T02:00:49.883Z", "answer": 35234 }, { ...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "IDENTITY_POW_ZERO", "status": "ok" }, { "lemma": "K13", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "K5", "status": "no" }, { "lemma": "L3b", "status": "no" }, {...
{ "lo": -5.48, "mid": 0.74, "hi": 7.52 }
c22c22
nt_min_coprime_above_v1_124444284_9101
Let $m=2$ and $n_0=16779$. Let $d_0$ be the smallest integer $d$ with $d\ge 2$ such that $d$ divides $229210813$. Let $K$ be the number of integers $n$ with $1\le n\le M_0$ such that $$n\equiv \left\lfloor\frac{n}{2}\right\rfloor \pmod{11}$$ and $d_0$ divides the $n$th Fibonacci number $F_n$, where $$M_0=\#\{n:\,1\le ...
13,478
graphs = [ Graph( let={ "_m": Const(2), "_n": Const(16779), "start": Const(81225), "upper": Const(81452), "modulus": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), CountOverSet(set=SolutionsSet(var=...
NT
null
EXTREMUM
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR/COUNT_FIB_DIVISIBLE/L3C" ]
933348
nt_min_coprime_above_v1
null
8
0
[ "COUNT_FIB_DIVISIBLE", "L3C", "MIN_PRIME_FACTOR" ]
3
0.086
2026-02-08T12:13:30.076415Z
{ "verified": true, "answer": 13478, "timestamp": "2026-02-08T12:13:30.162229Z" }
5eedbd
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 317, "completion_tokens": 3261 }, "timestamp": "2026-02-14T23:22:04.495Z", "answer": 13478 }, ...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "ok_later" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "L3C", "status": "ok_later" }, { "lemma": "L3c", "status...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
795b0b
nt_sum_gcd_range_mod_v1_1978505735_7607
Let $k = 180$ and $M = 11597$. Define $$ S = \left\{ (n, j) \mid 1 \leq n \leq 4900,\ 1 \leq j \leq 5 \right\}. $$ Let $$ \sigma = \frac{3}{15} \sum_{(n,j) \in S} \gcd(n, k). $$ Let $r = \sigma \bmod M$, the unique integer such that $0 \leq r < M$ and $r \equiv \sigma \pmod{M}$. Let $c$ be the sum of all real solution...
17,481
graphs = [ Graph( let={ "_m": Const(2), "_n": Const(15), "k": Const(180), "M": Const(11597), "sum": Div(Mul(Const(3), SumOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("n"), Var("_j")]), condition=Const(1), domain=CartesianProduct(...
NT
null
COMPUTE
sympy
VIETA_SUM
[ "VIETA_SUM", "SUM_INDEPENDENT" ]
28e0c7
nt_sum_gcd_range_mod_v1
quadratic_mod
6
0
[ "SUM_INDEPENDENT", "VIETA_SUM" ]
2
0.621
2026-02-08T20:21:47.012921Z
{ "verified": true, "answer": 17481, "timestamp": "2026-02-08T20:21:47.633533Z" }
5b630e
CC BY 4.0
[ { "id": 11, "model": "google/gemma-2-9b-it", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 311, "completion_tokens": 594 }, "timestamp": "2026-02-13T01:21:08.092Z", "answer": null } ]
0
[ { "lemma": "K17", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "SUM_INDEPENDENT", "status": "ok" }, { "lemma": "V5", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status": "no" }, { ...
{ "lo": -7.07, "mid": 1.24, "hi": 9.56 }
3ac654
nt_min_phi_inverse_v1_1874849503_1183
Let $n = 20$. Define $\text{upper}$ to be the maximum value of $xy$ over all pairs of positive integers $(x, y)$ such that $x + y = 20$. Define $k$ to be the number of integers $t$ with $27 \leq t \leq 114$ for which there exist integers $a$ and $b$ satisfying $1 \leq a \leq 12$, $1 \leq b \leq 2$, and $t = 6a + 21b$. ...
35
graphs = [ Graph( let={ "_n": Const(20), "upper": MaxOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Sum(Var("x"), Var("y")), Ref("_n")))), expr=Mul(Var("x"), Var("y")))),...
NT
null
EXTREMUM
sympy
LIN_FORM
[ "LIN_FORM", "B1" ]
2f9b70
nt_min_phi_inverse_v1
null
6
0
[ "B1", "LIN_FORM" ]
2
0.01
2026-02-08T13:39:33.013170Z
{ "verified": true, "answer": 35, "timestamp": "2026-02-08T13:39:33.023493Z" }
929b58
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 266, "completion_tokens": 5207 }, "timestamp": "2026-02-10T02:18:29.719Z", "answer": 35 }, { "id"...
1
[ { "lemma": "B1", "status": "ok" }, { "lemma": "K17", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, ...
{ "lo": -5.49, "mid": 0.03, "hi": 6.12 }
9d37d9
diophantine_fbi2_min_v1_458359167_3176
Let $k = 15$ and $\text{upper} = 25$. Consider the set of all integers $d$ such that $4 \leq d \leq 25$, $d$ divides $k$, and $$ \frac{k}{d} \geq \sum_{k=1}^{2} \varphi(k) \left\lfloor \frac{2}{k} \right\rfloor. $$ Determine the value of the smallest such $d$.
5
graphs = [ Graph( let={ "k": Const(15), "upper": Const(25), "result": MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(4)), Leq(Var("d"), Ref("upper")), Divides(divisor=Var("d"), dividend=Ref("k")), Geq(Div(Ref("k"), Var("d")), Summation(var="k"...
NT
null
EXTREMUM
sympy
MAX_PRIME_BELOW
[ "K2" ]
6897ab
diophantine_fbi2_min_v1
null
5
0
[ "K2", "MAX_PRIME_BELOW" ]
2
0.06
2026-02-08T07:00:48.546842Z
{ "verified": true, "answer": 5, "timestamp": "2026-02-08T07:00:48.606471Z" }
4db42c
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": 789 }, "timestamp": "2026-02-13T07:04:44.665Z", "answer": 5 }, { ...
1
[ { "lemma": "DS2", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "V1", "status": "no" } ]
{ "lo": -5.55, "mid": -3.01, "hi": 0.32 }
6b8b2a
nt_count_coprime_and_v1_798873815_123
Let $m = 2$. Let $n$ be the number of integers $t$ with $10 \le t \le 36$ for which there exist positive integers $a$ and $b$ such that $1 \le a \le 4$, $1 \le b \le 3$, and $t = 6a + 4b$. Let $k_2$ be the largest prime number that is at least $m$ and at most $n$. Compute the number of positive integers $n$ at most $30...
62,671
graphs = [ Graph( let={ "_m": Const(2), "_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(n...
NT
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM/MAX_PRIME_BELOW", "ONE_PHI_2" ]
4ef32e
nt_count_coprime_and_v1
null
6
0
[ "LIN_FORM", "MAX_PRIME_BELOW", "ONE_PHI_2" ]
3
2.851
2026-02-08T02:26:26.287530Z
{ "verified": true, "answer": 62671, "timestamp": "2026-02-08T02:26:29.138857Z" }
8feed3
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 279, "completion_tokens": 4877 }, "timestamp": "2026-02-08T19:02:47.857Z", "answer": 62671 }, { "...
1
[ { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok_later" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "ONE_PHI_2", ...
{ "lo": -1.89, "mid": 1.79, "hi": 4.93 }
50997a
comb_count_partitions_v1_1520064083_7846
Let $n$ be the number of integers $t$ with $20 \leq t \leq 120$ such that there exist positive integers $a \leq 13$ and $b \leq 3$ satisfying $t = 6a + 14b$. Let $\mathrm{result}$ be the number of integer partitions of $n$. Compute the remainder when $62347 \cdot \mathrm{result}$ is divided by $56139$.
29,208
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=13)), Geq(left=Var(name='b'), right=Const(value=...
COMB
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
comb_count_partitions_v1
null
7
0
[ "LIN_FORM" ]
1
0.002
2026-02-08T09:20:38.129246Z
{ "verified": true, "answer": 29208, "timestamp": "2026-02-08T09:20:38.131207Z" }
321500
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 208, "completion_tokens": 3573 }, "timestamp": "2026-02-24T11:07:27.898Z", "answer": 29208 }, { "...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V7", "statu...
{ "lo": -2.35, "mid": 1.22, "hi": 4.84 }
7b54fb
modular_sum_quadratic_residues_v1_458359167_4045
Let $p$ be the smallest integer greater than or equal to 2 that divides 1822577. Define $$ r = \frac{p(p-1)}{4}. $$ Find the remainder when $44121 \cdot r$ is divided by 60131.
34,793
graphs = [ Graph( let={ "_n": Const(2), "p": MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Ref("_n")), Divides(divisor=Var("d"), dividend=Const(1822577))))), "result": Div(Mul(Ref("p"), Sub(Ref("p"), Const(1))), Const(4)), "Q": Mod(valu...
NT
null
SUM
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR" ]
bc3776
modular_sum_quadratic_residues_v1
null
4
0
[ "MIN_PRIME_FACTOR" ]
1
0.001
2026-02-08T11:29:19.533696Z
{ "verified": true, "answer": 34793, "timestamp": "2026-02-08T11:29:19.535059Z" }
145e07
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 102, "completion_tokens": 2378 }, "timestamp": "2026-02-14T15:23:37.525Z", "answer": 34793 }, ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V3", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
78ccf2
comb_count_derangements_v1_1915831931_1217
Let $\_d=48640$ and let $m$ be the number of nonnegative integers $j$ with $0\le j\le 48640$ such that the binomial coefficient $\binom{48640}{j}$ is odd, plus $13$. Let $c=77$. Let $N$ be the number of positive integers $p$ for which there exists a positive integer $q$ satisfying all of the following: \begin{itemize}...
1,854
graphs = [ Graph( let={ "_d": Const(48640), "_c": Const(77), "_m": Sum(CountOverSet(set=SolutionsSet(var=Var("j"), condition=And(Geq(Var("j"), Const(0)), Leq(Var("j"), Const(48640)), Eq(Mod(value=Binom(n=Ref("_d"), k=Var("j")), modulus=Const(2)), Const(1))), domain='nonne...
NT
COMB
COUNT
sympy
V8
[ "V8/SUM_DIVISIBLE/MIN_PRIME_FACTOR", "COPRIME_PAIRS/MIN_PRIME_FACTOR" ]
e8b7e6
comb_count_derangements_v1
null
7
0
[ "COPRIME_PAIRS", "MIN_PRIME_FACTOR", "SUM_DIVISIBLE", "V8" ]
4
0.01
2026-02-08T15:57:13.978549Z
{ "verified": true, "answer": 1854, "timestamp": "2026-02-08T15:57:13.989030Z" }
9072eb
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 260, "completion_tokens": 2082 }, "timestamp": "2026-02-16T17:26:51.852Z", "answer": 1854 }, {...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok_later" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CON...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
581a88
comb_count_surjections_v1_153355830_765
Let $n$ be the number of ordered pairs $(i,j)$ where $i \in \{1,2\}$ and $j \in \{1,2\}$. Let $k = 2$. Compute the remainder when $33915 \cdot k! \cdot S(n, k)$ is divided by $77948$, where $S(n, k)$ denotes the Stirling number of the second kind.
7,122
graphs = [ Graph( let={ "_n": Const(77948), "n": CountOverSet(set=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(2)), right=IntegerRange(start=Const(1), end=Const(2)))), "k": Const(2), "result": Mul(Factorial(Ref("k")), Stirling2(n=Ref(name='n'),...
COMB
null
COUNT
sympy
COUNT_CARTESIAN
[ "COUNT_CARTESIAN" ]
409d7d
comb_count_surjections_v1
null
3
0
[ "COUNT_CARTESIAN" ]
1
0.001
2026-02-08T04:09:53.367801Z
{ "verified": true, "answer": 7122, "timestamp": "2026-02-08T04:09:53.369111Z" }
2d2fd0
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 200, "completion_tokens": 876 }, "timestamp": "2026-02-23T23:39:56.806Z", "answer": 7122 }, { "id...
1
[ { "lemma": "COUNT_CARTESIAN", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status":...
{ "lo": -3.83, "mid": -1.68, "hi": 1.09 }
e7203b
nt_sum_gcd_range_mod_v1_1520064083_8659
Let $N$ be the maximum value of $xy$ over all pairs of positive integers $(x, y)$ such that $x + y = 94$. Let $k = 60$ and $M = 11071$. Define $$ \text{sum} = \sum_{n=1}^{N} \gcd(n, k). $$ Find the remainder when $\text{sum}$ is divided by $M$.
2,150
graphs = [ Graph( let={ "N": MaxOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Sum(Var("x"), Var("y")), Const(94)))), expr=Mul(Var("x"), Var("y")))), "k": Const(60), ...
NT
null
COMPUTE
sympy
B1
[ "B1" ]
5b950e
nt_sum_gcd_range_mod_v1
null
5
0
[ "B1" ]
1
0.198
2026-02-08T10:17:36.222453Z
{ "verified": true, "answer": 2150, "timestamp": "2026-02-08T10:17:36.420721Z" }
ffae8a
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 134, "completion_tokens": 2363 }, "timestamp": "2026-02-14T07:01:13.624Z", "answer": 2150 }, {...
1
[ { "lemma": "B1", "status": "ok" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" } ]
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
d0a394
comb_count_permutations_fixed_v1_124444284_3880
Let $n = 10$ and $k = 6$. Define $\text{result} = \binom{n}{k} \cdot !(n - k)$, where $!m$ denotes the number of derangements of $m$ elements. Let $d_0$ be the smallest integer $d \geq 2$ that divides $1573$. Compute the value of the Bell number $B_m$, where $m$ is the remainder when $|\text{result}|$ is divided by $d_...
21,147
graphs = [ Graph( let={ "_n": Const(2), "n": Const(10), "k": Const(6), "result": Mul(Binom(n=Ref("n"), k=Ref("k")), Subfactorial(arg=Sub(left=Ref(name='n'), right=Ref(name='k')))), "Q": Bell(Mod(value=Abs(arg=Ref(name='result')), modulus=MinOverSet...
NT
COMB
COUNT
sympy
MAX_PRIME_BELOW
[ "MIN_PRIME_FACTOR" ]
58d7e9
comb_count_permutations_fixed_v1
bell_mod
6
0
[ "MAX_PRIME_BELOW", "MIN_PRIME_FACTOR" ]
2
0.059
2026-02-08T05:39:22.970990Z
{ "verified": true, "answer": 21147, "timestamp": "2026-02-08T05:39:23.029864Z" }
3f20bd
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 156, "completion_tokens": 974 }, "timestamp": "2026-02-12T11:53:26.464Z", "answer": 21147 }, {...
1
[ { "lemma": "K13", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V8_SUM", "status": "no" }...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
e2a6a9
nt_min_with_divisor_count_v1_1915831931_3039
Let $r$ be the smallest positive integer $n$ such that $1 \le n \le 9801$ and $n$ has exactly three positive divisors. Let $d_{\text{min}}$ be the smallest divisor of 8998611773 that is at least 2. Compute the value of $$ r \bmod d_{\text{min}} + 3001 \cdot (r \bmod 317). $$
12,008
graphs = [ Graph( let={ "_n": Const(317), "upper": Const(9801), "div_count": Const(3), "result": MinOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("upper")), Eq(NumDivisors(n=Var("n")), Ref("div_count"))))), ...
NT
null
EXTREMUM
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR" ]
cffc20
nt_min_with_divisor_count_v1
two_moduli
5
0
[ "MIN_PRIME_FACTOR" ]
1
0.432
2026-02-08T17:19:07.339356Z
{ "verified": true, "answer": 12008, "timestamp": "2026-02-08T17:19:07.771144Z" }
d9ef9e
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 138, "completion_tokens": 2427 }, "timestamp": "2026-02-17T23:56:22.074Z", "answer": 12008 }, ...
1
[ { "lemma": "K15", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
f174eb
diophantine_product_count_v1_1915831931_276
Let $k = 60$ and $u = 41$. Let $S$ be the set of all positive integers $x$ such that $1 \leq x \leq u$, $x$ divides $60$, and $\frac{60}{x} \leq 41$. Let $r$ be the number of elements in $S$. Compute the remainder when the Bell number $B_{|r| \bmod 11}$ is divided by $67267$.
48,708
graphs = [ Graph( let={ "k": Const(60), "upper": Const(41), "result": CountOverSet(set=SolutionsSet(var=Var("x"), condition=And(Geq(Var("x"), Const(1)), Leq(Var("x"), Ref("upper")), Divides(divisor=Var("x"), dividend=Ref("k")), Leq(Div(Ref("k"), Var("x")), Ref("upper"))))...
NT
COMB
COUNT
sympy
MOBIUS_COPRIME
[ "MOBIUS_COPRIME", "MAX_PRIME_BELOW", "B3" ]
3199d3
diophantine_product_count_v1
null
4
0
[ "B3", "MAX_PRIME_BELOW", "MOBIUS_COPRIME" ]
3
0.041
2026-02-08T15:19:05.762927Z
{ "verified": true, "answer": 48708, "timestamp": "2026-02-08T15:19:05.804341Z" }
4accf3
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 145, "completion_tokens": 1315 }, "timestamp": "2026-02-16T04:05:43.758Z", "answer": 48708 }, ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "K13", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "MOBIUS_COPRIME", "status": "ok" }, { ...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
4c2612
alg_qf_psd_min_v1_601307018_1955
Find the minimum value of $17595c^2 + 1725b^2 + 3450ab + 6210bc + 6210ac + 1725a^2$ over all ordered triples $(a, b, c)$ of positive integers with $1 \le a, b, c \le 41$.
36,915
graphs = [ Graph( let={ "result": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b"), Var("c")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), Const(41)), Geq(Var("b"), Const(1)), Leq(Var("b"), Const(41)), Geq(Var("c"), Const(1)), Leq(Var("c"), Const(41))))...
ALG
null
COMPUTE
sympy
SUM_AP
[ "SUM_AP" ]
ff6f57
alg_qf_psd_min_v1
null
5
null
[ "SUM_AP" ]
1
0.306
2026-03-10T02:42:28.477267Z
{ "verified": true, "answer": 36915, "timestamp": "2026-03-10T02:42:28.782774Z" }
51b76b
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 180, "completion_tokens": 1076 }, "timestamp": "2026-03-29T03:55:51.647Z", "answer": 36915 }, { "...
1
[ { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "SUM_AP", "status": "ok" } ]
{ "lo": -2.48, "mid": 1.07, "hi": 4.5 }
afaa36
nt_max_prime_below_v1_677425708_325
Let $m$ be the number of positive integers $p$ for which there exists a positive integer $q$ such that $pq = 216$, $\gcd(p, q) = 1$, and $p < q$. Determine the largest prime number $n$ such that $m \leq n \leq 11681$. Let $Q$ be the remainder when $89821$ times this prime is divided by $71755$. Compute $Q$.
69,246
graphs = [ Graph( let={ "upper": Const(11681), "result": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), CountOverSet(set=SolutionsSet(var=Var("p"), condition=And(IsPositive(arg=Var(name='p')), Exists(var=Var(name='q'), condition=And(Eq(left=Mul(Var(name='p'), V...
NT
null
EXTREMUM
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS" ]
2bb3aa
nt_max_prime_below_v1
null
5
0
[ "COPRIME_PAIRS" ]
1
0.267
2026-02-08T03:13:22.363461Z
{ "verified": true, "answer": 69246, "timestamp": "2026-02-08T03:13:22.630558Z" }
125e5b
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 211, "completion_tokens": 7047 }, "timestamp": "2026-02-08T20:27:51.407Z", "answer": 69246 }, { "...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "V8_S...
{ "lo": -3.46, "mid": 1.03, "hi": 5.49 }
deb361
modular_sum_quadratic_residues_v1_784195855_7205
Let $p = 401$. Consider the set of all ordered pairs $(i,j)$ of positive integers such that $1 \leq i \leq 4$, $1 \leq j \leq 5$, and $i + j = 5$. Compute the value of $\frac{p(p-1)}{\text{the number of elements in that set}}$.
40,100
graphs = [ Graph( let={ "p": Const(401), "result": Div(Mul(Ref("p"), Sub(Ref("p"), Const(1))), CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=Eq(Sum(Var("i"), Var("j")), Const(5)), domain=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(...
NT
null
SUM
sympy
COUNT_SUM_EQUALS
[ "COUNT_SUM_EQUALS" ]
75ab0f
modular_sum_quadratic_residues_v1
null
3
0
[ "COUNT_SUM_EQUALS" ]
1
0.011
2026-02-08T09:08:45.607849Z
{ "verified": true, "answer": 40100, "timestamp": "2026-02-08T09:08:45.618898Z" }
385248
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 134, "completion_tokens": 340 }, "timestamp": "2026-02-15T20:34:07.769Z", "answer": 40100 }, { "id": 11, ...
2
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "VAL_SUM_EQ", "statu...
{ "lo": -10, "mid": -7.73, "hi": -5.46 }
5c20a1
alg_qf_psd_min_v1_1218484723_6706
Let $d_{\min}$ be the smallest divisor of $131753$ that is at least $2$. Find the minimum value of $40730a^2 - 73314ab + 52949b^2$ over all positive integers $a, b$ with $1 \le a \le d_{\min}$ and $1 \le b \le 359$.
20,365
graphs = [ Graph( let={ "_n": Const(2), "result": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(2)), Divides(divisor...
NT
null
COMPUTE
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR" ]
bc3776
alg_qf_psd_min_v1
null
6
0
[ "MIN_PRIME_FACTOR" ]
1
0.53
2026-02-25T08:13:11.950025Z
{ "verified": true, "answer": 20365, "timestamp": "2026-02-25T08:13:12.479701Z" }
a0e047
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 188, "completion_tokens": 12345 }, "timestamp": "2026-03-30T02:39:55.059Z", "answer": 20365 }, { ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "MOD_MUL", "status": "no"...
{ "lo": -3.33, "mid": 1.03, "hi": 5.26 }
64ca5c
comb_count_surjections_v1_784195855_9123
Let $n$ be the number of ordered pairs $(x_1, x_2)$ of positive odd integers such that $x_1 + x_2 = 14$. Let $k$ be the number of ordered pairs $(i, j)$ with $1 \leq i \leq 6$ and $1 \leq j \leq 7$ such that $i + j = 7$. Compute the value of $k! \cdot S(7, k)$, where $S(n, k)$ denotes the Stirling number of the second ...
15,120
graphs = [ Graph( let={ "_m": Const(14), "_n": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x1"), Var("x2")]), condition=And(IsPositive(arg=Var(name='x1')), IsPositive(arg=Var(name='x2')), IsOdd(arg=Var(name='x1')), IsOdd(arg=Var(name='x2')), Eq(Sum(Var("x1"), Var("x2")), R...
COMB
null
COUNT
sympy
LIN_FORM
[ "COMB1/COUNT_SUM_EQUALS" ]
4d9cac
comb_count_surjections_v1
null
5
0
[ "COMB1", "COUNT_SUM_EQUALS", "LIN_FORM" ]
3
0.045
2026-02-08T16:33:18.970977Z
{ "verified": true, "answer": 15120, "timestamp": "2026-02-08T16:33:19.015513Z" }
57232a
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 162, "completion_tokens": 882 }, "timestamp": "2026-02-17T07:29:09.047Z", "answer": 15120 }, {...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COMB1", "status": "ok" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok_later" }, { "lemma": "V8", "st...
{ "lo": -4.1, "mid": -1.76, "hi": 1.32 }
e549ee
nt_gcd_compute_v1_1440796553_1478
Let $a = 254440$ and $b = 559768$. Let $g = \gcd(a, b)$. Let $s$ be the minimum value of $x + y$ over all ordered pairs $(x, y)$ of positive integers such that $xy = 93025$. Find the remainder when $s - g$ is divided by $73934$.
23,656
graphs = [ Graph( let={ "_n": Const(93025), "a": Const(254440), "b": Const(559768), "result": GCD(a=Ref("a"), b=Ref("b")), "_c": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(n...
NT
null
COMPUTE
sympy
B3
[ "B3" ]
fc629c
nt_gcd_compute_v1
negation_mod
4
0
[ "B3" ]
1
0.002
2026-02-08T14:01:47.569608Z
{ "verified": true, "answer": 23656, "timestamp": "2026-02-08T14:01:47.571122Z" }
32eea8
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": 1169 }, "timestamp": "2026-02-15T23:00:47.026Z", "answer": 23656 }, ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "V5", "status": "no" } ]
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
50bbe0
geo_count_lattice_rect_v1_784195855_4318
Let $a = 377$ and $b = 119$. Define $\mathcal{R}$ as the set of all lattice points $(x, y)$ such that $0 \leq x \leq a$ and $0 \leq y \leq b$. Let $N$ be the number of points in $\mathcal{R}$. Compute the smallest positive integer $k$ such that the $k$-th Fibonacci number is divisible by $N + 2$. Find the value of $k$.
17,499
graphs = [ Graph( let={ "a": Const(377), "b": Const(119), "result": LatticePointsRect(a=Ref(name='a'), b=Ref(name='b')), "Q": FibonacciEntryPoint(modulus=Sum(Abs(arg=Ref(name='result')), Const(value=2))), }, goal=Ref("Q"), ) ]
GEOM
NT
COUNT
sympy
[]
geo_count_lattice_rect_v1
null
5
0
null
null
0.002
2026-02-08T06:59:56.958513Z
{ "verified": true, "answer": 17499, "timestamp": "2026-02-08T06:59:56.960540Z" }
a51a98
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 219, "completion_tokens": 32768 }, "timestamp": "2026-02-24T07:34:28.875Z", "answer": null }, { ...
1
[]
{ "lo": 3.25, "mid": 5.68, "hi": 8.81 }
76850d_l
comb_count_partitions_v1_677425708_1984
Let $S$ be the set of all ordered pairs $(k,j)$ where $k$ is an integer from 1 to 9, inclusive, and $j$ is an integer from 1 to 6, inclusive. Let $T$ be the set of all values $k$ such that $(k,j) \in S$. Define $n$ to be $\frac{7 \times (\text{sum of all elements in } T)}{42}$. Compute the number of integer partitions ...
15
COMB
null
COUNT
sympy
SUM_INDEPENDENT
[ "SUM_INDEPENDENT", "SUM_ARITHMETIC" ]
9f7183
comb_count_partitions_v1
null
6
0
[ "SUM_ARITHMETIC", "SUM_INDEPENDENT" ]
2
0.002
2026-02-08T04:42:08.667258Z
{ "verified": false, "answer": 89134, "timestamp": "2026-02-08T04:42:08.668932Z" }
fa6528
76850d
legacy_text
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 217, "completion_tokens": 7069 }, "timestamp": "2026-02-10T04:03:54.521Z", "answer": 15 }, { "...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "SUM_ARITHMETIC", "status": "ok" }, { "lemma": "SUM_INDEPENDENT", "status": "ok" }, { "lemma": "V7", ...
{ "lo": 1.97, "mid": 4.36, "hi": 6.69 }
615e2c
geo_count_lattice_rect_v1_48377204_1330
Compute the number of lattice points $(x, y)$ such that $0 \leq x \leq 256$ and $0 \leq y \leq 215$.
55,512
graphs = [ Graph( let={ "a": Const(256), "b": Const(215), "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
0.004
2026-02-08T16:01:53.323400Z
{ "verified": true, "answer": 55512, "timestamp": "2026-02-08T16:01:53.327806Z" }
c03a16
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 148, "completion_tokens": 239 }, "timestamp": "2026-02-24T19:43:13.871Z", "answer": 55512 }, { "...
1
[]
{ "lo": -8, "mid": -4.75, "hi": -2.28 }
2ee74d
comb_count_derangements_v1_717093673_4092
Let $n$ be the number of positive integers $p$ for which there exists a positive integer $q$ such that $p \cdot q = 21000$, $\gcd(p, q) = 1$, and $p < q$. Let $!n$ denote the number of derangements of $n$ elements. Compute the remainder when $71566 \cdot (!n)$ is divided by $90949$.
72,699
graphs = [ Graph( let={ "_n": Const(71566), "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=21000)), Eq(left=GCD(a=Var(name='p'), b=Var(n...
NT
COMB
COUNT
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS" ]
2bb3aa
comb_count_derangements_v1
null
6
0
[ "COPRIME_PAIRS" ]
1
0.003
2026-02-08T18:02:10.972449Z
{ "verified": true, "answer": 72699, "timestamp": "2026-02-08T18:02:10.975288Z" }
8dc51c
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 134, "completion_tokens": 3180 }, "timestamp": "2026-02-18T12:25:58.407Z", "answer": 72699 }, ...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "K14", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "V5", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
81c128
algebra_poly_eval_v1_1520064083_7395
Let $m = 40$. Define $n$ to be the minimum value of $x + y$ over all ordered pairs $(x, y)$ of positive integers such that $xy = 8836$. Let $a = 11$. Compute the value of $$\frac{40 \cdot 11^4 + n \cdot 11^3 - 384 \cdot 11^2 - 784 \cdot 11 - 140}{t},$$ where $t$ is the number of integers in the range $5 \leq t \leq 381...
205
graphs = [ Graph( let={ "_m": Const(40), "_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(8836)))), expr=Sum(Var("x"), Var("y")))), ...
NT
null
COMPUTE
sympy
B3
[ "B3/LIN_FORM" ]
9cebb8
algebra_poly_eval_v1
null
7
0
[ "B3", "LIN_FORM" ]
2
0.004
2026-02-08T09:00:35.546028Z
{ "verified": true, "answer": 205, "timestamp": "2026-02-08T09:00:35.549982Z" }
0e1b5f
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 212, "completion_tokens": 5405 }, "timestamp": "2026-02-13T23:35:40.014Z", "answer": 205 }, { ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "K16", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok_later" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { ...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
41ae1d
nt_euler_phi_compute_v1_677425708_1740
Let $g = 9$, $n_2 = 7$, and $p = 7$. Let $d_{\text{min}}$ be the smallest integer $d \geq 2$ that divides $15$. Define $a = g \cdot d_{\text{min}}$ and $b = g \cdot n_2$. Let $h = \sum_{d \mid \gcd(a,b)} \mu(d)$, where $\mu$ is the Möbius function. Define $n_1 = p^{1+h}$ and let $e$ be the number of distinct prime fact...
27,648
graphs = [ Graph( let={ "_n": Const(2), "g": Const(9), "m": MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Ref("_n")), Divides(divisor=Var("d"), dividend=Const(15))))), "n2": Const(7), "a": Mul(Ref("g"), Ref("m")), ...
NT
null
COMPUTE
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR/MOBIUS_COPRIME", "OMEGA_ONE" ]
4999b1
nt_euler_phi_compute_v1
null
6
2
[ "MIN_PRIME_FACTOR", "MOBIUS_COPRIME", "OMEGA_ONE" ]
3
0.004
2026-02-08T04:24:36.841281Z
{ "verified": true, "answer": 27648, "timestamp": "2026-02-08T04:24:36.845235Z" }
5c3ea6
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 277, "completion_tokens": 741 }, "timestamp": "2026-02-10T00:09:55.763Z", "answer": 27648 }, { "i...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "...
{ "lo": -6.5, "mid": -0.2, "hi": 6.11 }
05809b
comb_bell_compute_v1_655260480_4113
Let $m = 404$. Let $S$ be the set of all positive integers $p$ for which there exists a positive integer $q$ such that $pq = 72$, $\gcd(p, q) = 1$, and $p < q$. Let $n_0 = |S|$. Let $k$ be the largest positive integer such that $n_0^k \leq m$. Compute the Bell number $B_k$.
4,140
graphs = [ Graph( let={ "_m": Const(404), "_n": CountOverSet(set=SolutionsSet(var=Var("p"), condition=And(IsPositive(arg=Var(name='p')), Exists(var=Var(name='q'), condition=And(Eq(left=Mul(Var(name='p'), Var(name='q')), right=Const(value=72)), Eq(left=GCD(a=Var(name='p'), b=Var(name=...
NT
COMB
COMPUTE
sympy
LTE_SUM
[ "COPRIME_PAIRS/MAX_VAL" ]
aa93c6
comb_bell_compute_v1
null
4
0
[ "COPRIME_PAIRS", "LTE_SUM", "MAX_VAL" ]
3
0.016
2026-02-08T17:43:36.166450Z
{ "verified": true, "answer": 4140, "timestamp": "2026-02-08T17:43:36.182351Z" }
eefc63
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 140, "completion_tokens": 1488 }, "timestamp": "2026-02-18T07:45:00.202Z", "answer": 4140 }, {...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MAX_VAL", "status": "ok_later" }, { "lemma": "MOD_SUB", ...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
bb4381
comb_count_partitions_v1_1978505735_3081
Let $t = \sum_{k=0}^{5} (-1)^k \binom{5}{k}$ and $u = 1$. Define $n_1 = u + 1$ and $h = \sum_{k_1=0}^{n_1} (-1)^{k_1} \binom{n_1}{k_1}$. Let $n = 45 + t + h$. Compute the number of integer partitions of $n$.
89,134
graphs = [ Graph( let={ "n2": Const(5), "t": Summation(var="k", start=Const(0), end=Ref("n2"), expr=Mul(Pow(Const(-1), Var("k")), Binom(n=Ref("n2"), k=Var("k")))), "u": Const(1), "n1": Sum(Ref("u"), Const(1)), "h": Summation(var="k1", start=Const(0...
COMB
null
COUNT
sympy
BINOMIAL_ALTERNATING
[ "BINOMIAL_ALTERNATING" ]
c21569
comb_count_partitions_v1
null
4
2
[ "BINOMIAL_ALTERNATING" ]
1
0.002
2026-02-08T17:19:11.520913Z
{ "verified": true, "answer": 89134, "timestamp": "2026-02-08T17:19:11.522455Z" }
62a003
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": 583 }, "timestamp": "2026-02-18T00:36:26.796Z", "answer": 89134 }, {...
1
[ { "lemma": "BINOMIAL_ALTERNATING", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "V8",...
{ "lo": -2.38, "mid": 1.74, "hi": 6.59 }
2693d4
antilemma_k3_v1_397696148_1054
Let $n = 85168$. Compute the sum of $\phi(d)$ over all positive divisors $d$ of $n$.
85,168
graphs = [ Graph( let={ "_n": Const(85168), "x": SumOverDivisors(n=Ref(name='_n'), var='d', expr=EulerPhi(n=Var(name='d'))), }, goal=Ref("x"), ) ]
NT
COMB
COMPUTE
sympy
K3
[ "K3" ]
54c41e
antilemma_k3_v1
null
3
0
[ "K3" ]
1
0.001
2026-02-08T12:19:47.814380Z
{ "verified": true, "answer": 85168, "timestamp": "2026-02-08T12:19:47.815084Z" }
bf06ca
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 74, "completion_tokens": 805 }, "timestamp": "2026-02-14T23:50:59.913Z", "answer": 85168 }, { ...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K3", "status": "ok" }, { "lemma": "K5", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V7", "status": "no" } ]
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
6f6d6d
modular_count_residue_v1_717093673_1538
Let $m$ be the number of positive integers $n$ with $1 \leq n \leq 360$ such that $15$ divides the $n$th Fibonacci number. Let $U = 34225$ and $r = 13$. Define $S$ as the set of all integers $n_1$ such that $1 \leq n_1 \leq U$ and $$ n_1 \equiv 13 \pmod{m}. $$ Let $k$ be the number of elements in $S$. Let $Q$ be the ...
870
graphs = [ Graph( let={ "upper": Const(34225), "m": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Const(360)), Divides(divisor=Const(15), dividend=Fibonacci(arg=Var(name='n')))))), "r": Const(13), "result": Co...
NT
null
COUNT
sympy
COUNT_FIB_DIVISIBLE
[ "COUNT_FIB_DIVISIBLE" ]
66de3c
modular_count_residue_v1
null
6
0
[ "COUNT_FIB_DIVISIBLE" ]
1
1.143
2026-02-08T16:09:23.963953Z
{ "verified": true, "answer": 870, "timestamp": "2026-02-08T16:09:25.106685Z" }
6a5db5
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 191, "completion_tokens": 2744 }, "timestamp": "2026-02-16T22:00:10.602Z", "answer": 870 }, { ...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "ok" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "V5", "status": "no" } ...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
502fd6
nt_count_divisible_and_v1_1440796553_1526
Let $d_1 = 12$. Let $d_2$ be the sum $$ \sum_{k=1}^{d_{\text{min}}} \phi(k) \left\lfloor \frac{5}{k} \right\rfloor, $$ where $d_{\text{min}}$ is the smallest integer $d \geq 2$ that divides $21175$, and $\phi$ denotes Euler's totient function. Let $N$ be the number of positive integers $n$ such that $1 \leq n \leq 9186...
72,291
graphs = [ Graph( let={ "upper": Const(91860), "d1": Const(12), "d2": Summation(var="k", start=Const(1), end=MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(2)), Divides(divisor=Var("d"), dividend=Const(21175))))), expr=Mul(EulerPhi(n=Var("k"))...
NT
null
COUNT
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR/K2" ]
352a97
nt_count_divisible_and_v1
null
7
0
[ "K2", "MIN_PRIME_FACTOR" ]
2
3.091
2026-02-08T14:02:13.818683Z
{ "verified": true, "answer": 72291, "timestamp": "2026-02-08T14:02:16.909564Z" }
95fcf6
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": 1814 }, "timestamp": "2026-02-15T23:18:53.428Z", "answer": 72291 }, ...
1
[ { "lemma": "K2", "status": "ok_later" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V3", "status": "n...
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
1f8275
nt_gcd_compute_v1_1874849503_876
Let $m = 54535$. Let $n$ be the number of positive integers $p$ for which there exists an integer $q$ such that $p \cdot q = 72$, $\gcd(p, q) = 1$, and $p < q$. Let $a = 556075$ and $b = 898275$. Define $r = \gcd(a, b)$. Let $S$ be the set of all positive divisors $d$ of $170867$ such that $d \geq n$. Let $t$ be the mi...
11,777
graphs = [ Graph( let={ "_m": Const(54535), "_n": CountOverSet(set=SolutionsSet(var=Var("p"), condition=And(IsPositive(arg=Var(name='p')), Exists(var=Var(name='q'), condition=And(Eq(left=Mul(Var(name='p'), Var(name='q')), right=Const(value=72)), Eq(left=GCD(a=Var(name='p'), b=Var(nam...
NT
null
COMPUTE
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS/MIN_PRIME_FACTOR" ]
902529
nt_gcd_compute_v1
negation_mod
4
0
[ "COPRIME_PAIRS", "MIN_PRIME_FACTOR" ]
2
0.005
2026-02-08T13:23:14.953607Z
{ "verified": true, "answer": 11777, "timestamp": "2026-02-08T13:23:14.959076Z" }
34859b
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": 2720 }, "timestamp": "2026-02-09T22:02:18.755Z", "answer": 11777 }, { "...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok_later" }, { "lemma": "MOD_SUB", "s...
{ "lo": -5.49, "mid": 0.03, "hi": 6.12 }
bb6edf
nt_lcm_compute_v1_168721529_1686
Let $a = 1144$. Let $b$ be the sum of all real solutions $x$ to the equation $x^2 - 1408x + 23647 = 0$. Compute the least common multiple of $a$ and $b$.
18,304
graphs = [ Graph( let={ "_n": Const(2), "a": Const(1144), "b": SumOverSet(set=SolutionsSet(var=Var("x"), condition=Eq(Sum(Pow(Var("x"), Ref("_n")), Mul(Const(-1408), Var("x")), Const(23647)), Const(0)))), "result": LCM(a=Ref("a"), b=Ref("b")), }, ...
NT
null
COMPUTE
sympy
COUNT_FIB_DIVISIBLE
[ "VIETA_SUM" ]
b33a7a
nt_lcm_compute_v1
null
5
0
[ "COUNT_FIB_DIVISIBLE", "VIETA_SUM" ]
2
0.013
2026-02-08T13:50:46.104221Z
{ "verified": true, "answer": 18304, "timestamp": "2026-02-08T13:50:46.117251Z" }
ed980f
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 165, "completion_tokens": 906 }, "timestamp": "2026-02-09T20:24:07.995Z", "answer": 18304 }, { "i...
1
[ { "lemma": "DS2", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "V8_SUM", "status": "no" }, { "lemma": "VIETA_SUM", "status": "ok" } ]
{ "lo": -5.49, "mid": 0.03, "hi": 6.12 }
d6dd36
comb_factorial_compute_v1_1218484723_203
Let $M$ be the number of ordered pairs $(a, b)$ of positive integers with $1 \le a, b \le 30$ such that $$ 17a^4 + 17b^4 + 68ab^3 + 68a^3b + 102a^2b^2 = 15699857. $$ Let $n$ be the number of ordered pairs $(a_1, b_1)$ of positive integers with $1 \le a_1 \le M$, $1 \le b_1 \le 30$ such that $$ 27b_1^3 + 108a_1b_1^2 + 1...
23,808
graphs = [ Graph( let={ "_m": Const(68), "_n": 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(17), Pow(Var("a"), Const(4))), M...
COMB
null
COMPUTE
sympy
POLY4_COUNT
[ "POLY4_COUNT/POLY3_COUNT" ]
6c2b6f
comb_factorial_compute_v1
null
5
0
[ "POLY3_COUNT", "POLY4_COUNT" ]
2
0.006
2026-02-25T01:53:38.332103Z
{ "verified": true, "answer": 23808, "timestamp": "2026-02-25T01:53:38.338073Z" }
70c051
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 300, "completion_tokens": 6339 }, "timestamp": "2026-03-10T08:49:06.455Z", "answer": 23808 }, { "...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "POLY3_COUNT", "status": "ok_later" }, { "lemma": "POLY4_COUNT", "status": "ok" }, { "lemma": "V7", "s...
{ "lo": 1.22, "mid": 3.76, "hi": 5.73 }
5c2718
nt_count_divisible_v1_655260480_1453
Let $\phi(k)$ denote Euler's totient function. Define $d = \sum_{k=1}^{5} \phi(k) \left\lfloor \frac{5}{k} \right\rfloor$. Let $C$ be the number of positive integers $n$ less than or equal to $69751$ such that $n$ is divisible by $d$. Let $S$ be the set of all ordered pairs $(x, y)$ of positive integers such that $xy =...
4,350
graphs = [ Graph( let={ "_n": Const(5), "upper": Const(69751), "divisor": Summation(var="k", start=Const(1), end=Ref("_n"), expr=Mul(EulerPhi(n=Var("k")), Floor(Div(Const(5), Var("k"))))), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq...
NT
null
COUNT
sympy
B3
[ "B3", "K2" ]
35ca5b
nt_count_divisible_v1
negation_mod
7
0
[ "B3", "K2" ]
2
2.442
2026-02-08T16:08:52.310665Z
{ "verified": true, "answer": 4350, "timestamp": "2026-02-08T16:08:54.752390Z" }
a5ecd8
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 185, "completion_tokens": 1255 }, "timestamp": "2026-02-16T21:34:23.520Z", "answer": 4350 }, {...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LTE_DI...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
8fa3dc
modular_count_residue_v1_1520064083_1161
Let $m = \sum_{k=1}^{5} \phi(k) \left\lfloor \frac{5}{k} \right\rfloor$, where $\phi$ denotes Euler's totient function. Determine the number of positive integers $n \leq 44521$ such that $n \equiv 14 \pmod{m}$.\n\nCompute this number.
2,968
graphs = [ Graph( let={ "upper": Const(44521), "m": Summation(var="k", start=Const(1), end=Const(5), expr=Mul(EulerPhi(n=Var("k")), Floor(Div(Const(5), Var("k"))))), "r": Const(14), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n...
NT
null
COUNT
sympy
K2
[ "K2" ]
6897ab
modular_count_residue_v1
null
4
0
[ "K2" ]
1
1.491
2026-02-08T03:49:00.295977Z
{ "verified": true, "answer": 2968, "timestamp": "2026-02-08T03:49:01.787152Z" }
428285
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 193, "completion_tokens": 808 }, "timestamp": "2026-02-10T15:47:11.398Z", "answer": 2968 }, { "id...
2
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "K5", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -9.14, "mid": -6.05, "hi": -3.74 }
cd4270
comb_count_derangements_v1_124444284_2309
Let $n$ be the smallest divisor of $91091$ that is greater than or equal to $2$. Compute the subfactorial $!n$.
1,854
graphs = [ Graph( let={ "_n": Const(2), "n": MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Ref("_n")), Divides(divisor=Var("d"), dividend=Const(91091))))), "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
2026-02-08T04:35:39.148229Z
{ "verified": true, "answer": 1854, "timestamp": "2026-02-08T04:35:39.149153Z" }
b2dbab
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 142, "completion_tokens": 860 }, "timestamp": "2026-02-10T17:15:16.242Z", "answer": 1854 }, { "i...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" } ]
{ "lo": -5.55, "mid": -3.01, "hi": 0.33 }
1de458
nt_count_with_divisor_count_v1_2051736721_2972
Let $n$ be a positive integer such that $1 \leq n \leq 50400$ and the number of positive divisors of $n$ is exactly 7. Let $r$ be the number of such integers $n$. Let $d$ be the smallest divisor of 65007371 that is at least 2. Compute the Bell number $B_k$, where $k$ is the remainder when $|r|$ is divided by $d$. Deter...
5
graphs = [ Graph( let={ "upper": Const(50400), "div_count": Const(7), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("upper")), Eq(NumDivisors(n=Var("n")), Ref("div_count"))))), "Q": Bell(Mod(valu...
NT
COMB
COUNT
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR" ]
58d7e9
nt_count_with_divisor_count_v1
bell_mod
6
0
[ "MIN_PRIME_FACTOR" ]
1
2.1
2026-02-08T17:02:12.443287Z
{ "verified": true, "answer": 5, "timestamp": "2026-02-08T17:02:14.542937Z" }
9a4722
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": 836 }, "timestamp": "2026-02-17T18:04:08.291Z", "answer": 5 }, { ...
1
[ { "lemma": "K13", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "V5", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
858bfe
modular_count_residue_v1_458359167_350
Let $m$ be the minimum value of $x + y$ over all ordered pairs of positive integers $(x, y)$ such that $xy = 169$. Let $r$ be the maximum value of $xy$ over all ordered pairs of positive integers $(x, y)$ such that $x + y = 4$. Compute the number of positive integers $n$ with $1 \leq n \leq 53361$ such that $n \equiv r...
2,053
graphs = [ Graph( let={ "_n": Const(4), "upper": Const(53361), "m": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Mul(Var("x"), Var("y")), Const(169)))), ...
NT
null
COUNT
sympy
B1
[ "B1", "B3" ]
655d51
modular_count_residue_v1
null
5
0
[ "B1", "B3" ]
2
1.737
2026-02-08T03:13:41.678575Z
{ "verified": true, "answer": 2053, "timestamp": "2026-02-08T03:13:43.416024Z" }
200c2e
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 216, "completion_tokens": 1112 }, "timestamp": "2026-02-10T13:39:13.236Z", "answer": 2053 }, { "i...
1
[ { "lemma": "B1", "status": "ok" }, { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": ...
{ "lo": -7.01, "mid": -4.68, "hi": -2.15 }
bc3c09
algebra_quadratic_discriminant_v1_2051736721_3872
Let $a = 2$, $b = -12$, and let $c$ be the number of nonnegative integers $j$ such that $0 \leq j \leq 9222$ and $\binom{9222}{j}$ is odd. Define $d = b^2 - 4ac$. Compute the value of $15129 - d$.
15,113
graphs = [ Graph( let={ "_n": Const(15129), "a": Const(2), "b": Const(-12), "c": CountOverSet(set=SolutionsSet(var=Var("j"), condition=And(Geq(Var("j"), Const(0)), Leq(Var("j"), Const(9222)), Eq(Mod(value=Binom(n=Const(9222), k=Var("j")), modulus=Const(2)), Co...
ALG
COMB
COMPUTE
sympy
V8
[ "V8" ]
86348e
algebra_quadratic_discriminant_v1
null
6
0
[ "V8" ]
1
0.004
2026-02-08T17:36:39.620738Z
{ "verified": true, "answer": 15113, "timestamp": "2026-02-08T17:36:39.624344Z" }
e8eb12
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": 1754 }, "timestamp": "2026-02-18T04:57:39.448Z", "answer": 15113 }, ...
1
[ { "lemma": "K16", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "V8", "status": "ok" } ]
{ "lo": -2.38, "mid": 1.74, "hi": 6.59 }
efc8e5
comb_count_surjections_v1_124444284_8834
Let $k$ be the number of ordered pairs $(x_1, x_2)$ of positive odd integers such that $x_1 + x_2 = 8$. Let $n = 4$. Compute the value of $k! \cdot S(n, k)$, where $S(n, k)$ denotes the Stirling number of the second kind.
24
graphs = [ Graph( let={ "_n": Const(8), "n": Const(4), "k": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x1"), Var("x2")]), condition=And(IsPositive(arg=Var(name='x1')), IsPositive(arg=Var(name='x2')), IsOdd(arg=Var(name='x1')), IsOdd(arg=Var(name='x2')), Eq(Sum...
COMB
null
COUNT
sympy
COMB1
[ "COMB1" ]
567f58
comb_count_surjections_v1
null
4
0
[ "COMB1" ]
1
0.002
2026-02-08T11:56:10.846922Z
{ "verified": true, "answer": 24, "timestamp": "2026-02-08T11:56:10.848801Z" }
d12061
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 187, "completion_tokens": 632 }, "timestamp": "2026-02-24T14:59:56.424Z", "answer": 24 }, { "id":...
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": "no" }, { "lemma": "V7", "status": ...
{ "lo": -7.18, "mid": -5, "hi": -3.01 }
da6fb3
modular_count_residue_v1_124444284_8243
Let $S$ be the set of all ordered pairs $(x, y)$ of positive integers such that $xy = 4$. Let $n$ be the minimum value of $x + y$ over all such pairs. Define $m = \sum_{k=1}^{n} k$. Let $T$ be the set of all positive integers $n$ such that $1 \leq n \leq 59536$ and $n \equiv 0 \pmod{m}$. Compute the number of elements ...
5,953
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(4)))), expr=Sum(Var("x"), Var("y")))), "upper": Const(59536...
NT
null
COUNT
sympy
B3
[ "B3/SUM_ARITHMETIC" ]
b6a880
modular_count_residue_v1
null
4
0
[ "B3", "SUM_ARITHMETIC" ]
2
4.358
2026-02-08T09:36:51.796664Z
{ "verified": true, "answer": 5953, "timestamp": "2026-02-08T09:36:56.154929Z" }
d2455f
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 156, "completion_tokens": 561 }, "timestamp": "2026-02-14T05:12:59.055Z", "answer": 5953 }, { ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lem...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
ed5e50
diophantine_fbi2_min_v1_677425708_1050
Let $A$ be the set of all ordered pairs of positive integers $(a, b)$ such that $1 \leq a \leq 24$, $1 \leq b \leq 43$, and the quantity $t = 7a + 3b$ satisfies $10 \leq t \leq 297$. Let $T$ be the set of all such values $t$. Let $N$ be the number of positive integers $n \leq |T|$ such that $8$ divides the $n$-th Fibon...
42,773
graphs = [ Graph( let={ "_n": Const(59746), "k": Const(36), "upper": 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(n...
NT
null
EXTREMUM
sympy
LIN_FORM
[ "LIN_FORM/COUNT_FIB_DIVISIBLE" ]
95eec8
diophantine_fbi2_min_v1
null
6
0
[ "COUNT_FIB_DIVISIBLE", "LIN_FORM" ]
2
0.006
2026-02-08T03:58:51.614871Z
{ "verified": true, "answer": 42773, "timestamp": "2026-02-08T03:58:51.621186Z" }
3278bd
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 323, "completion_tokens": 3447 }, "timestamp": "2026-02-09T15:12:50.854Z", "answer": 42773 }, { "...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "ok_later" }, { "lemma": "L3b", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "MOD_FACTORIAL", "stat...
{ "lo": -3.46, "mid": 1.03, "hi": 5.49 }
ca6d30
comb_catalan_compute_v1_865884756_2383
Let $n = 10$. Define $C_n$ to be the $n$th Catalan number. Let $S$ be the set of all ordered pairs $(x_1, x_2)$ of positive odd integers such that $x_1 + x_2 = 22$. Let $m$ be the number of elements in $S$. Compute the remainder when the Bell number $B_{|C_n| \bmod m}$ is divided by $68734$. Find the value of this exp...
47,241
graphs = [ Graph( let={ "n": Const(10), "result": Catalan(Ref("n")), "Q": Mod(value=Bell(Mod(value=Abs(arg=Ref(name='result')), modulus=CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x1"), Var("x2")]), condition=And(IsPositive(arg=Var(name='x1')), IsPositive(arg=V...
COMB
null
COMPUTE
sympy
COMB1
[ "COMB1" ]
d93ba8
comb_catalan_compute_v1
bell_mod
3
0
[ "COMB1" ]
1
0.003
2026-02-08T16:43:41.178349Z
{ "verified": true, "answer": 47241, "timestamp": "2026-02-08T16:43:41.181385Z" }
87dd62
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 153, "completion_tokens": 1230 }, "timestamp": "2026-02-17T11:00:56.135Z", "answer": 47241 }, ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COMB1", "status": "ok" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ...
{ "lo": -4.1, "mid": -1.76, "hi": 1.32 }
441d93
alg_telescope_v1_1218484723_3052
Let $T = \{ t \in \mathbb{Z} : \text{there exist integers } a, b \text{ with } 1 \leq a \leq 1025,\ 1 \leq b \leq 686 \text{ such that } t = 2a + 5b,\ 7 \leq t \leq 5480 \}$. Let $M = \left( \sum_{k=0}^{54} (3k^2 + 3k + 1) \right) \bmod |T|$. Compute $|M|.$
2,275
graphs = [ Graph( let={ "_n": Const(3), "result": Mod(value=Summation(var="k", start=Const(0), end=Const(54), expr=Sum(Mul(Ref("_n"), Pow(Var("k"), Const(2))), Mul(Const(3), Var("k")), Const(1))), modulus=CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'),...
ALG
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
alg_telescope_v1
null
4
0
[ "LIN_FORM" ]
1
0.008
2026-02-25T04:49:00.197704Z
{ "verified": true, "answer": 2275, "timestamp": "2026-02-25T04:49:00.205511Z" }
a7a48c
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 241, "completion_tokens": 7515 }, "timestamp": "2026-03-29T08:06:04.255Z", "answer": 2215 }, { ...
1
[ { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": 3.81, "mid": 6.33, "hi": 9.49 }
c56f8d
comb_bell_compute_v1_601307018_7711
Let $n$ be the number of integers $t$ with $5 \le t \le 14$ that can be written as $t = 3a + 2b$ for integers $a, b$ satisfying $1 \le a \le 2$ and $1 \le b \le 4$. Let $M = B_n$, where $B_n$ is the $n$-th Bell number. Find the remainder when $44121M$ is divided by $56311$.
44,367
graphs = [ Graph( let={ "_n": Const(56311), "n": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=2)), Geq(left=Va...
COMB
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
comb_bell_compute_v1
null
6
0
[ "LIN_FORM" ]
1
0.003
2026-03-10T08:18:08.384782Z
{ "verified": true, "answer": 44367, "timestamp": "2026-03-10T08:18:08.387658Z" }
8622d1
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 216, "completion_tokens": 921 }, "timestamp": "2026-04-19T07:19:01.977Z", "answer": 44367 }, { "...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status": "no" ...
{ "lo": -5.34, "mid": 1.1, "hi": 7.53 }
5f68c9
nt_sum_divisors_mod_v1_124444284_7871
Let $S$ be the set of all ordered pairs $(x, y)$ of positive integers such that $xy = 8100$. Let $n$ be the minimum value of $x + y$ as $(x, y)$ ranges over $S$. Let $\sigma$ be the sum of all positive divisors of $n$. Compute the remainder when $93397 \cdot \sigma$ is divided by $78725$.
59,687
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(8100)))), expr=Sum(Var("x"), Var("y")))), "M": Const(10631),...
NT
null
COMPUTE
sympy
B3
[ "B3" ]
0cd20d
nt_sum_divisors_mod_v1
null
4
0
[ "B3" ]
1
0.001
2026-02-08T09:24:09.880253Z
{ "verified": true, "answer": 59687, "timestamp": "2026-02-08T09:24:09.881421Z" }
a9ed5a
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 134, "completion_tokens": 1910 }, "timestamp": "2026-02-14T03:44:05.413Z", "answer": 59687 }, ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "K18", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" } ]
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
e46467_l
comb_count_surjections_v1_1439011603_2825
Let $u = 1$ and $n_2 = u + \binom{7}{0}$. Define $$ v = \sum_{k_1=0}^{n_2} (-1)^{k_1} \binom{n_2}{k_1}. $$ Let $n_1 = v$ and $$ c = \sum_{k_2 = \binom{12}{12} - 1}^{n_1} (-1)^{k_2} \binom{n_1}{k_2}. $$ Let $n = 6 \cdot c$ and $k = 5$. Compute $k! \cdot S(n, k)$, where $S(n, k)$ denotes the number of ways to partition a...
0
COMB
null
COUNT
sympy
BINOMIAL_ALTERNATING
[ "BINOMIAL_ALTERNATING", "ZERO_BINOM_N", "ONE_BINOM_0" ]
cc0bf5
comb_count_surjections_v1
null
4
2
[ "BINOMIAL_ALTERNATING", "ONE_BINOM_0", "ZERO_BINOM_N" ]
3
0.005
2026-02-08T17:01:12.582531Z
{ "verified": false, "answer": 1800, "timestamp": "2026-02-08T17:01:12.587637Z" }
a81851
e46467
legacy_text
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 217, "completion_tokens": 873 }, "timestamp": "2026-02-17T17:43:12.350Z", "answer": 1800 }, { ...
1
[ { "lemma": "BINOMIAL_ALTERNATING", "status": "ok" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "ONE_BINOM_0", "status": "ok" }, { "lemm...
{ "lo": -2.38, "mid": 1.74, "hi": 6.59 }
392565
alg_qf_psd_min_v1_601307018_4490
Let $M$ be the largest prime number $n$ with $2 \le n \le 3797$. Let $R$ be the minimum value of $x + y$ over all ordered pairs $(x, y)$ of positive integers such that $xy = 8976016$. Let $S$ be the number of ordered pairs $(a_1, b_1)$ with $1 \le a_1, b_1 \le 30$ satisfying $10a_1^2 - 18a_1b_1 + 25b_1^2 \le M$. Let $Q...
73,402
graphs = [ Graph( let={ "_c": Const(2), "_m": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Const(3797)), IsPrime(Var("n"))))), "_n": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), cond...
NT
null
COMPUTE
sympy
SUM_GEOM
[ "MAX_PRIME_BELOW/B3/QF_PSD_COUNT_LEQ" ]
444b01
alg_qf_psd_min_v1
null
7
0
[ "B3", "MAX_PRIME_BELOW", "QF_PSD_COUNT_LEQ", "SUM_GEOM" ]
4
0.347
2026-03-10T05:06:33.227098Z
{ "verified": true, "answer": 73402, "timestamp": "2026-03-10T05:06:33.573823Z" }
4bc999
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 296, "completion_tokens": 19556 }, "timestamp": "2026-03-29T12:30:47.835Z", "answer": 73402 }, { ...
1
[ { "lemma": "B3", "status": "ok_later" }, { "lemma": "K16", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "n...
{ "lo": -6.2, "mid": -2.87, "hi": 0.44 }
d83837
geo_count_lattice_rect_v1_458359167_1462
Let $a = 225$ and $b = 56$. Define the set of lattice points in the rectangle $[0, a] \times [0, b]$ as the set of all ordered pairs $(x, y)$ of integers such that $0 \leq x \leq a$ and $0 \leq y \leq b$. Compute the number of such lattice points.
12,882
graphs = [ Graph( let={ "a": Const(225), "b": Const(56), "result": LatticePointsRect(a=Ref(name='a'), b=Ref(name='b')), "Q": Abs(arg=Ref(name='result')), }, goal=Ref("Q"), ) ]
GEOM
null
COUNT
sympy
[]
geo_count_lattice_rect_v1
null
2
0
null
null
0.003
2026-02-08T04:37:12.041039Z
{ "verified": true, "answer": 12882, "timestamp": "2026-02-08T04:37:12.043938Z" }
a19f1f
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 194, "completion_tokens": 268 }, "timestamp": "2026-02-24T01:17:46.599Z", "answer": 12882 }, { "i...
1
[]
{ "lo": -5.97, "mid": -3.96, "hi": -1.93 }
20583e
modular_count_residue_v1_124444284_5419
Let $T$ be the set of all ordered pairs $(k, \_j)$ such that $1 \le k \le 2$ and $1 \le \_j \le 5$. Define $$ r = \frac{3}{15} \sum_{(k,\_j) \in T} k. $$ Let $\mathcal{N}$ be the set of all positive integers $n$ such that $1 \le n \le 42025$ and $n \equiv r \pmod{5}$. Compute the number of elements in $\mathcal{N}$.
8,405
graphs = [ Graph( let={ "upper": Const(42025), "m": Const(5), "r": Div(Mul(Const(3), SumOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("k"), Var("_j")]), condition=Const(1), domain=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(2)), right=In...
NT
null
COUNT
sympy
SUM_INDEPENDENT
[ "SUM_INDEPENDENT/SUM_ARITHMETIC" ]
87e6cf
modular_count_residue_v1
null
3
0
[ "SUM_ARITHMETIC", "SUM_INDEPENDENT" ]
2
1.411
2026-02-08T06:34:52.932113Z
{ "verified": true, "answer": 8405, "timestamp": "2026-02-08T06:34:54.343145Z" }
217def
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 185, "completion_tokens": 756 }, "timestamp": "2026-02-15T17:37:18.438Z", "answer": 8405 }, { "id": 11, ...
2
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "SUM_ARITHMETIC", "status": "ok_later" }, { "lemma": "SUM_INDEPENDENT", "status": "ok" }, { "lemma...
{ "lo": -10, "mid": -7.73, "hi": -5.46 }
2cff56
nt_sum_totient_over_divisors_v1_124444284_4256
Let $n$ be the number of positive integers at most $31809$ that are divisible by $3$ and relatively prime to $10$. Compute the sum of $\phi(d)$ over all positive divisors $d$ of $n$.
4,242
graphs = [ Graph( let={ "_n": Const(3), "n": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Const(31809)), Divides(divisor=Ref("_n"), dividend=Var("n")), Eq(GCD(a=Var("n"), b=Const(10)), Const(1))))), "result": SumOverDivi...
NT
null
COMPUTE
sympy
C5
[ "C5" ]
1d9668
nt_sum_totient_over_divisors_v1
null
5
0
[ "C5" ]
1
0.004
2026-02-08T05:53:08.368203Z
{ "verified": true, "answer": 4242, "timestamp": "2026-02-08T05:53:08.372048Z" }
52561f
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": 1038 }, "timestamp": "2026-02-12T16:30:40.694Z", "answer": 4242 }, { ...
1
[ { "lemma": "C5", "status": "ok" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V7", "status": "no" } ]
{ "lo": -3.51, "mid": 1.33, "hi": 6.56 }
d57abc
modular_mod_compute_v1_458359167_3191
Let $a = -8649$ and $m = 73441$. Define $r$ to be the remainder when $a$ is divided by $m$, so that $0 \leq r < m$ and $r \equiv a \pmod{m}$. Let $k = r + 2$. Compute the smallest positive integer $n$ such that the $n$th Fibonacci number is divisible by $k$.
64,788
graphs = [ Graph( let={ "a": Const(-8649), "m": Const(73441), "result": Mod(value=Ref("a"), modulus=Ref("m")), "Q": FibonacciEntryPoint(modulus=Sum(Abs(arg=Ref(name='result')), Const(value=2))), }, goal=Ref("Q"), ) ]
NT
null
COMPUTE
sympy
B1
[ "B1" ]
5b950e
modular_mod_compute_v1
null
3
0
[ "B1" ]
1
0.02
2026-02-08T07:02:31.251428Z
{ "verified": true, "answer": 64788, "timestamp": "2026-02-08T07:02:31.271847Z" }
314757
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 134, "completion_tokens": 3457 }, "timestamp": "2026-02-13T07:11:20.643Z", "answer": 64788 }, ...
1
[ { "lemma": "B1", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V1", "status": "no" } ]
{ "lo": -3.51, "mid": 1.33, "hi": 6.56 }
1e26ec
antilemma_k3_v1_865884756_7098
Let $n = 96710$. Define $x$ to be the sum of $\phi(d)$ over all positive divisors $d$ of $n$, where $\phi$ denotes Euler's totient function. Let $c = 27053$. Compute the remainder when $c \cdot x$ is divided by $80280$.
50,710
graphs = [ Graph( let={ "_n": Const(96710), "x": SumOverDivisors(n=Ref(name='_n'), var='d', expr=EulerPhi(n=Var(name='d'))), "_c": Const(27053), "Q": Mod(value=Mul(Ref("_c"), Ref("x")), modulus=Const(80280)), }, goal=Ref("Q"), ) ]
NT
COMB
COMPUTE
sympy
K3
[ "K3" ]
54c41e
antilemma_k3_v1
null
3
0
[ "K3" ]
1
0.001
2026-02-08T19:37:20.684758Z
{ "verified": true, "answer": 50710, "timestamp": "2026-02-08T19:37:20.685460Z" }
5f36ca
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 114, "completion_tokens": 1754 }, "timestamp": "2026-02-18T22:52:09.712Z", "answer": 50710 }, ...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "K3", "status": "ok" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "V5", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
74ebc6
lin_form_endings_v1_349078426_1306
Let $a = 21$ and $b = 14$. Compute $\gcd(a, b)$, and let $k = 64$. Let $d = \gcd(k, \gcd(a, b))$. Define $s = \left\lfloor \frac{k}{d} \right\rfloor$. Multiply $s$ by $17284$, and let the result be $t$. Find the remainder when $t$ is divided by $50960$.
36,016
graphs = [ Graph( let={ "a_coeff": Const(21), "b_coeff": Const(14), "k_val": Const(64), "step": GCD(a=Ref("a_coeff"), b=Ref("b_coeff")), "_inner_result": Floor(Div(Ref("k_val"), GCD(a=Ref("k_val"), b=Ref("step")))), "_scale_k": Const(17...
COMB
NT
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
lin_form_endings_v1
null
3
null
[ "LIN_FORM" ]
1
0.001
2026-02-08T13:33:10.399536Z
{ "verified": true, "answer": 36016, "timestamp": "2026-02-08T13:33:10.400432Z" }
c34de8
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": 867 }, "timestamp": "2026-02-15T17:52:33.456Z", "answer": 36016 }, {...
1
[ { "lemma": "COUNT_CARTESIAN", "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_SUM", ...
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
4ecd28
modular_count_residue_v1_971394319_498
Let $m = \sum_{k=1}^{4} k$ and $r = 5$. Compute the number of positive integers $n$ such that $1 \leq n \leq 48400$ and $n \equiv r \pmod{m}$.
4,840
graphs = [ Graph( let={ "_n": Const(4), "upper": Const(48400), "m": Summation(var="k", start=Const(1), end=Ref("_n"), expr=Var("k")), "r": Const(5), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Va...
NT
null
COUNT
sympy
SUM_ARITHMETIC
[ "SUM_ARITHMETIC" ]
eb34f0
modular_count_residue_v1
null
3
0
[ "SUM_ARITHMETIC" ]
1
1.8
2026-02-08T13:07:50.465778Z
{ "verified": true, "answer": 4840, "timestamp": "2026-02-08T13:07:52.265872Z" }
a32167
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 102, "completion_tokens": 488 }, "timestamp": "2026-02-15T09:46:34.223Z", "answer": 4840 }, { ...
1
[ { "lemma": "K15", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "SUM_ARITHMETIC", "status": "ok" } ]
{ "lo": -9.12, "mid": -6.02, "hi": -3.62 }
c5d7ea
nt_count_coprime_v1_124444284_2670
Let $n = 289$. Consider the set of all ordered pairs $(x, y)$ of positive integers such that $xy = n$. Let $k$ be the minimum value of $x + y$ over all such pairs. Let $S$ be the set of all positive integers $m$ such that $1 \leq m \leq 11881$ and $\gcd(m, k) = 1$. Determine the number of elements in $S$.
5,592
graphs = [ Graph( let={ "_n": Const(289), "upper": Const(11881), "k": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Mul(Var("x"), Var("y")), Ref("_n")))),...
NT
null
COUNT
sympy
B3
[ "B3" ]
0cd20d
nt_count_coprime_v1
null
4
0
[ "B3" ]
1
3.666
2026-02-08T04:52:16.563298Z
{ "verified": true, "answer": 5592, "timestamp": "2026-02-08T04:52:20.229351Z" }
4e4f22
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 208, "completion_tokens": 951 }, "timestamp": "2026-02-11T22:18:22.423Z", "answer": 5592 }, { "i...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "V3", "status": "no" } ]
{ "lo": -5.55, "mid": -3.01, "hi": 0.33 }
740b9e
comb_count_derangements_v1_1440796553_853
Let $n$ be the number of integers $t$ such that $20 \leq t \leq 38$ and there exist positive integers $a \leq 2$ and $b \leq 4$ for which $t = 6a + 4b + 10$. Compute the number of derangements of $n$ elements.
14,833
graphs = [ Graph( let={ "n": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=2)), Geq(left=Var(name='b'), right=Const(value=1...
COMB
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
comb_count_derangements_v1
null
4
0
[ "LIN_FORM" ]
1
0.001
2026-02-08T12:01:25.899345Z
{ "verified": true, "answer": 14833, "timestamp": "2026-02-08T12:01:25.900231Z" }
fc64c6
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 187, "completion_tokens": 930 }, "timestamp": "2026-02-24T15:07:44.495Z", "answer": 14833 }, { "i...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status": "no" ...
{ "lo": -2.35, "mid": 1.22, "hi": 4.84 }
645d25_n
alg_qf_psd_orbit_v1_1419126231_1040
On a coordinate grid, points $(a,b)$ are plotted where $a$ and $b$ are positive integers from $1$ to $168$, and $a \leq b$. A point is special if it satisfies $17a^2 - 16ab + 17b^2 = 235625$. How many such special points are there?
5
ALG
null
COUNT
sympy
V8
[ "B3" ]
0cd20d
alg_qf_psd_orbit_v1
null
5
null
[ "B3", "V8" ]
2
2.551
2026-02-25T10:32:52.464507Z
null
392f0d
645d25
narrative
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 1, "correct": { "strict": false, "boxed": false, "relaxed": true }, "usage": { "prompt_tokens": 184, "completion_tokens": 32768 }, "timestamp": "2026-03-31T04:19:52.618Z", "answer": null }, { ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": 1.5, "mid": 4.69, "hi": 7.23 }
988e59
nt_sum_divisors_mod_v1_1915831931_1249
Let $n$ be the number of positive integers at most $4041$ that are divisible by $9$ and relatively prime to $10$. Let $M = 11717$. Compute the remainder when the sum of the positive divisors of $n$ is divided by $M$.
546
graphs = [ Graph( let={ "_n": Const(10), "n": CountOverSet(set=SolutionsSet(var=Var("n1"), condition=And(Geq(Var("n1"), Const(1)), Leq(Var("n1"), Const(4041)), Divides(divisor=Const(9), dividend=Var("n1")), Eq(GCD(a=Var("n1"), b=Ref("_n")), Const(1))))), "M": Const(11717)...
NT
null
COMPUTE
sympy
C5
[ "C5" ]
1d9668
nt_sum_divisors_mod_v1
null
4
0
[ "C5" ]
1
0.002
2026-02-08T15:58:04.779064Z
{ "verified": true, "answer": 546, "timestamp": "2026-02-08T15:58:04.780664Z" }
9dceab
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 105, "completion_tokens": 878 }, "timestamp": "2026-02-16T17:24:11.895Z", "answer": 546 }, { ...
1
[ { "lemma": "C5", "status": "ok" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
455da0
nt_count_with_divisor_count_v1_1248542787_460
Let $A$ be the number of positive integers $n \leq 65536$ that have exactly two positive divisors. Let $B$ be the number of unordered pairs of coprime positive integers $(p, q)$ with $p < q$ such that $pq = 2397137350007400$. Compute the remainder when $B - A$ is divided by $59048$.
52,762
graphs = [ Graph( let={ "upper": Const(65536), "div_count": Const(2), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("upper")), Eq(NumDivisors(n=Var("n")), Ref("div_count"))))), "_c": CountOverSet...
NT
null
COUNT
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS" ]
c90628
nt_count_with_divisor_count_v1
negation_mod
6
0
[ "COPRIME_PAIRS" ]
1
2.947
2026-02-08T03:10:01.986598Z
{ "verified": true, "answer": 52762, "timestamp": "2026-02-08T03:10:04.933831Z" }
b80e83
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 193, "completion_tokens": 8716 }, "timestamp": "2026-02-23T17:11:23.766Z", "answer": 52762 }, { ...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "V3", "status": "no" }, { "lemma": "V7", "status": "no" ...
{ "lo": -3.45, "mid": 1.18, "hi": 5.72 }
8717f5
diophantine_fbi2_count_v1_1470522791_1334
Let $k$ be the number of ordered pairs $(x_1, x_2)$ of positive odd integers such that $x_1 + x_2 = 720$. Let $T$ be the set of all positive integers $t$ for which there exist integers $a$ and $b$ with $1 \leq a \leq 6$, $1 \leq b \leq 11$, and $t = 21a + 9b$, and such that $30 \leq t \leq 225$. Let $r$ be the number o...
33,552
graphs = [ Graph( let={ "_n": Const(44121), "k": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x1"), Var("x2")]), condition=And(IsPositive(arg=Var(name='x1')), IsPositive(arg=Var(name='x2')), IsOdd(arg=Var(name='x1')), IsOdd(arg=Var(name='x2')), Eq(Sum(Var("x1"), Var("x2")),...
NT
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM", "COMB1" ]
3d1461
diophantine_fbi2_count_v1
null
6
0
[ "COMB1", "LIN_FORM" ]
2
0.014
2026-02-08T13:35:29.314511Z
{ "verified": true, "answer": 33552, "timestamp": "2026-02-08T13:35:29.328966Z" }
eed80f
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 229, "completion_tokens": 3798 }, "timestamp": "2026-02-15T18:18:18.340Z", "answer": 33552 }, ...
1
[ { "lemma": "COMB1", "status": "ok" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "V3", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma":...
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
92cbf6
algebra_vieta_sum_v1_1978505735_917
Let $r$ be the sum of all solutions $x$ to the equation $-x^2 + 10x - 21 = 0$. Let $c$ be the largest prime number $n$ such that $2 \leq n \leq 33$. Compute $r^2 + 36r + c$.
491
graphs = [ Graph( let={ "_n": Const(2), "result": SumOverSet(set=SolutionsSet(var=Var("x"), condition=Eq(Sum(Mul(Const(-1), Pow(Var("x"), Const(2))), Mul(Const(10), Var("x")), Const(-21)), Const(0)))), "_c": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var(...
NT
null
COMPUTE
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW" ]
65166f
algebra_vieta_sum_v1
quadratic_mod
3
0
[ "MAX_PRIME_BELOW" ]
1
0.007
2026-02-08T15:41:01.762876Z
{ "verified": true, "answer": 491, "timestamp": "2026-02-08T15:41:01.770070Z" }
1de027
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 126, "completion_tokens": 370 }, "timestamp": "2026-02-16T06:16:11.882Z", "answer": 491 }, { "id": 11, ...
2
[ { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "V7", "status": "no" } ]
{ "lo": -10, "mid": -7.27, "hi": -4.54 }
904ae6
diophantine_fbi2_min_v1_124444284_9660
Let $k = 360$. Let the upper bound be the number of positive integers $j$ such that $1 \le j \le 370$ and $j^3 \le 50653000$. Let $d$ be a positive integer satisfying $2 \le d \le \text{upper}$, $d$ divides $k$, and $\frac{k}{d} \ge 3$. Determine the value of the smallest such $d$. Let $Q$ be the smallest positive inte...
6
graphs = [ Graph( let={ "k": Const(360), "upper": CountOverSet(set=SolutionsSet(var=Var("j"), condition=And(Geq(Var("j"), Const(1)), Leq(Var("j"), Const(370)), Leq(Pow(Var("j"), Const(3)), Const(50653000))), domain='positive_integers')), "result": MinOverSet(set=Solutions...
NT
null
EXTREMUM
sympy
COUNT_CARTESIAN
[ "C3" ]
8a214c
diophantine_fbi2_min_v1
null
4
0
[ "C3", "COUNT_CARTESIAN" ]
2
0.033
2026-02-08T12:36:53.330176Z
{ "verified": true, "answer": 6, "timestamp": "2026-02-08T12:36:53.363060Z" }
2fd759
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 180, "completion_tokens": 918 }, "timestamp": "2026-02-15T02:42:11.762Z", "answer": 6 }, { ...
1
[ { "lemma": "C3", "status": "ok" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "V5", "status": "no" } ]
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
b5df9e
nt_sum_phi_v1_1918700295_306
Let $$U = \sum_{k=1}^{\sum_{k=1}^{7} \varphi(k)\left\lfloor\frac{7}{k}\right\rfloor} \varphi(k)\left\lfloor\frac{28}{k}\right\rfloor,$$ where $\varphi$ denotes Euler's totient function. Let $T$ be the set of all integers $n$ such that $1 \le n \le U$. Define $$R = \sum_{n \in T} \varphi(n).$$ Compute $R$.
50,154
graphs = [ Graph( let={ "_m": Const(7), "_n": Const(28), "upper": Summation(var="k", start=Const(1), end=Summation(var="k", start=Const(1), end=Ref("_m"), expr=Mul(EulerPhi(n=Var("k")), Floor(Div(Const(7), Var("k"))))), expr=Mul(EulerPhi(n=Var("k")), Floor(Div(Ref("_n"), ...
NT
null
SUM
sympy
B3
[ "K2/K2" ]
ddede2
nt_sum_phi_v1
null
8
0
[ "B3", "K2" ]
2
0.352
2026-02-08T03:09:24.412757Z
{ "verified": true, "answer": 50154, "timestamp": "2026-02-08T03:09:24.764657Z" }
29fcf1
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 234, "completion_tokens": 15939 }, "timestamp": "2026-02-23T16:55:17.819Z", "answer": 50166 }, { ...
0
[ { "lemma": "C2", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "V7", "status": "no" } ]
{ "lo": 3.78, "mid": 6.08, "hi": 9.16 }
35ce6b
comb_bell_compute_v1_809748730_435
Let $n$ be the number of positive integers less than 30 that are relatively prime to 30. Define $B_n$ to be the $n$-th Bell number, which counts the number of partitions of a set of size $n$. Let $S$ be the sum of the squares of the positions (starting from 1) of each digit in the decimal representation of $|B_n|$, wei...
585
graphs = [ Graph( let={ "_n": Const(30), "n": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Const(29)), Eq(GCD(a=Var("n"), b=Ref("_n")), Const(1))))), "result": Bell(Ref("n")), "Q": Sum(Summation(var="i", star...
NT
COMB
COMPUTE
sympy
C4
[ "C4" ]
08d162
comb_bell_compute_v1
null
6
0
[ "C4" ]
1
0.002
2026-02-08T11:30:58.115140Z
{ "verified": true, "answer": 585, "timestamp": "2026-02-08T11:30:58.117057Z" }
5733cf
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 211, "completion_tokens": 684 }, "timestamp": "2026-02-14T15:29:46.372Z", "answer": 585 }, { ...
1
[ { "lemma": "C4", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "LTE_SUM", "status"...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
d74497
nt_lcm_compute_v1_1439011603_754
Let $a$ be the number of positive integers $n$ such that $n \le 1633$ and $\gcd(n, 6) = 1$. Let $T$ be the set of all ordered pairs $(x, y)$ of positive integers such that $xy = 986049$, and let $b$ be the minimum value of $x + y$ over all such pairs. Define $L = \mathrm{lcm}(a, b)$. Find the remainder when $L$ is divi...
52,119
graphs = [ Graph( let={ "_m": Const(1633), "_n": Const(60603), "a": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("_m")), Eq(GCD(a=Var("n"), b=Const(6)), Const(1))))), "b": MinOverSet(set=MapOverSet(set=So...
NT
null
COMPUTE
sympy
B3
[ "B3", "C4" ]
8d18b3
nt_lcm_compute_v1
null
6
0
[ "B3", "C4" ]
2
0.004
2026-02-08T15:41:53.218486Z
{ "verified": true, "answer": 52119, "timestamp": "2026-02-08T15:41:53.222732Z" }
dbb1fd
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 157, "completion_tokens": 5384 }, "timestamp": "2026-02-16T11:12:12.742Z", "answer": 52119 }, ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "C4", "status": "ok" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { ...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
f2b018
antilemma_k2_v1_153355830_278
Compute $$ \sum_{k=1}^{221} \phi(k) \left\lfloor \frac{221}{k} \right\rfloor, $$ and denote this value by $x$. Let $d_i$ be the $i$-th decimal digit of $|x|$, where $i = 0$ corresponds to the units digit. Let $\ell$ be the number of digits in $|x|$. Compute $$ \sum_{i=0}^{\ell-1} d_i (i+1)^2 + 4900. $$
5,072
graphs = [ Graph( let={ "x": Summation(var="k", start=Const(1), end=Const(221), expr=Mul(EulerPhi(n=Var("k")), Floor(Div(Const(221), Var("k"))))), "Q": Sum(Summation(var="i", start=Const(0), end=Sub(NumDigits(x=Abs(arg=Ref(name='x')), base=None), Const(1)), expr=Mul(Digit(x=Abs(arg=R...
NT
COMB
COMPUTE
sympy
K2
[ "K2" ]
6897ab
antilemma_k2_v1
null
7
0
[ "K2" ]
1
0.001
2026-02-08T03:00:14.405128Z
{ "verified": true, "answer": 5072, "timestamp": "2026-02-08T03:00:14.405834Z" }
b87df6
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 233, "completion_tokens": 683 }, "timestamp": "2026-02-10T12:26:19.180Z", "answer": 5072 }, { "id...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" } ]
{ "lo": -1.87, "mid": 0.73, "hi": 2.96 }
eb98ca
nt_count_coprime_v1_2051736721_3869
Let $m = 225$. Let $s$ be the minimum value of $x + y$ over all ordered pairs $(x, y)$ of positive integers such that $xy = 562500$. Let $d$ be the minimum value of $x_1 + y_1$ over all ordered pairs $(x_1, y_1)$ of positive integers such that $x_1 y_1 = m$. Let $k$ be the number of positive integers $n$ such that $1 \...
23,329
graphs = [ Graph( let={ "_m": Const(225), "_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(562500)))), expr=Sum(Var("x"), Var("y")))...
NT
null
COUNT
sympy
B3
[ "B3/COUNT_FIB_DIVISIBLE" ]
9b7a57
nt_count_coprime_v1
null
7
0
[ "B3", "COUNT_FIB_DIVISIBLE" ]
2
2.294
2026-02-08T17:36:33.245735Z
{ "verified": true, "answer": 23329, "timestamp": "2026-02-08T17:36:35.539307Z" }
9a6c13
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 218, "completion_tokens": 2004 }, "timestamp": "2026-02-18T04:31:42.089Z", "answer": 23329 }, ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "ok_later" }, { "lemma": "K15", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { ...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
18d74d
nt_count_gcd_equals_v1_1431428450_176
Let $S$ be the set of all nonnegative integers $j$ such that $0 \le j \le 31231$ and $\binom{31231}{j}$ is odd. Let $u$ be the number of elements in $S$. Let $T$ be the set of all ordered pairs $(x, y)$ of positive integers such that $xy = 13689$. Let $k$ be the minimum value of $x + y$ as $(x, y)$ ranges over $T$. Fin...
210
graphs = [ Graph( let={ "_n": Const(31231), "upper": CountOverSet(set=SolutionsSet(var=Var("j"), condition=And(Geq(Var("j"), Const(0)), Leq(Var("j"), Ref("_n")), Eq(Mod(value=Binom(n=Const(31231), k=Var("j")), modulus=Const(2)), Const(1))), domain='nonnegative_integers')), ...
NT
null
COUNT
sympy
V8
[ "V8", "B3" ]
5b3848
nt_count_gcd_equals_v1
null
6
0
[ "B3", "V8" ]
2
0.663
2026-02-08T13:17:17.155905Z
{ "verified": true, "answer": 210, "timestamp": "2026-02-08T13:17:17.818858Z" }
e8530f
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 184, "completion_tokens": 3051 }, "timestamp": "2026-02-15T12:04:15.801Z", "answer": 210 }, { ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "MOD_ADD", ...
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
1c6749
antilemma_k2_v1_1520064083_3934
Let $n = 51995$. Define $$ x = \sum_{k=1}^{351} \varphi(k) \left\lfloor \frac{\sum_{k=1}^{26} k}{k} \right\rfloor. $$ Compute the remainder when $55934 \cdot x$ is divided by $n$.
51,059
graphs = [ Graph( let={ "_n": Const(51995), "x": Summation(var="k", start=Const(1), end=Const(351), expr=Mul(EulerPhi(n=Var("k")), Floor(Div(Summation(var="k", start=Const(1), end=Const(26), expr=Var("k")), Var("k"))))), "Q": Mod(value=Mul(Const(55934), Ref("x")), modulus...
NT
COMB
COMPUTE
sympy
SUM_ARITHMETIC
[ "SUM_ARITHMETIC/K2", "K2" ]
ec0b42
antilemma_k2_v1
null
5
0
[ "K2", "SUM_ARITHMETIC" ]
2
0.001
2026-02-08T05:59:20.761335Z
{ "verified": true, "answer": 51059, "timestamp": "2026-02-08T05:59:20.762222Z" }
e590de
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 115, "completion_tokens": 1353 }, "timestamp": "2026-02-12T17:55:46.380Z", "answer": 51059 }, ...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "K2", "sta...
{ "lo": -3.51, "mid": 1.33, "hi": 6.56 }
631d63
modular_mod_compute_v1_458359167_3797
Let $a = 4181$. Let $m$ be the number of integers $t$ such that $9 \leq t \leq 7589$ and there exist positive integers $a$ and $b$ with $1 \leq a \leq 586$, $1 \leq b \leq 1049$, and $t = 4a + 5b$. Compute the remainder when $a$ is divided by $m$.
4,181
graphs = [ Graph( let={ "a": Const(4181), "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=586)), Geq(left=Va...
NT
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
modular_mod_compute_v1
null
4
0
[ "LIN_FORM" ]
1
0.003
2026-02-08T11:22:35.485134Z
{ "verified": true, "answer": 4181, "timestamp": "2026-02-08T11:22:35.487741Z" }
bb1028
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 139, "completion_tokens": 6104 }, "timestamp": "2026-02-14T12:46:41.669Z", "answer": 4181 }, {...
1
[ { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "V7", "status": "no" } ]
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
1dd138
comb_count_surjections_v1_1125832087_1044
Let $n$ be the number of ordered pairs of positive odd integers $(x_1, x_2)$ such that $x_1 + x_2 = 10$. Let $k$ be the number of ordered pairs of positive odd integers $(x_1, x_2)$ such that $x_1 + x_2 = 4$. Define $\text{result} = k! \cdot S(n, k)$, where $S(n, k)$ is the number of ways to partition a set of $n$ elem...
30
graphs = [ Graph( let={ "_n": Const(4), "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")), Con...
COMB
null
COUNT
sympy
COMB1
[ "COMB1" ]
567f58
comb_count_surjections_v1
null
5
0
[ "COMB1" ]
1
0.003
2026-02-08T03:29:16.214649Z
{ "verified": true, "answer": 30, "timestamp": "2026-02-08T03:29:16.218113Z" }
759a39
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 241, "completion_tokens": 885 }, "timestamp": "2026-02-10T14:30:36.091Z", "answer": 30 }, { "id":...
1
[ { "lemma": "COMB1", "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": "no" } ]
{ "lo": -7.18, "mid": -4.99, "hi": -3 }
4f1516
nt_sum_divisors_mod_v1_1520064083_9399
Let $S$ be the set of all ordered pairs $(x,y)$ of positive integers such that $xy = 396900$. For each such pair, compute $x + y$, and let $n$ be the smallest value of $x + y$ over all such pairs. Let $\sigma(n)$ denote the sum of all positive divisors of $n$. Compute the remainder when $\sigma(n)$ is divided by $11083...
36,141
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(396900)))), expr=Sum(Var("x"), Var("y")))), "M": Const(11083...
NT
null
COMPUTE
sympy
B3
[ "B3" ]
0cd20d
nt_sum_divisors_mod_v1
null
5
0
[ "B3" ]
1
0.012
2026-02-08T10:43:18.542852Z
{ "verified": true, "answer": 36141, "timestamp": "2026-02-08T10:43:18.554471Z" }
1b9ce8
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": 4640 }, "timestamp": "2026-02-14T08:15:28.787Z", "answer": 36141 }, ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "V3", "status": "no" } ]
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
dcb0a4
modular_mod_compute_v1_1125832087_2199
Let $m$ be the number of integers $t$ such that $8 \le t \le 4504$ and there exist positive integers $a \le 506$ and $b \le 658$ satisfying $t = 5a + 3b$. Let $r$ be the remainder when $7$ is divided by $m$. Compute the remainder when $66371 \cdot r$ is divided by $74508$.
17,549
graphs = [ Graph( let={ "a": Const(7), "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=506)), Geq(left=Var(n...
NT
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
modular_mod_compute_v1
null
4
0
[ "LIN_FORM" ]
1
0.002
2026-02-08T04:24:08.250119Z
{ "verified": true, "answer": 17549, "timestamp": "2026-02-08T04:24:08.252189Z" }
e422ed
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 203, "completion_tokens": 2125 }, "timestamp": "2026-02-10T16:43:42.512Z", "answer": 17549 }, { ...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "MOD_SUB", "status": "no" ...
{ "lo": -3.42, "mid": 1.86, "hi": 7.55 }
bba262_n
modular_sum_quadratic_residues_v1_601307018_4397
A botanist observes that a certain plant species produces a number of seeds in month $n$ equal to the $n$-th Fibonacci number $F_n$. She records a 'bloom event' whenever the seed count is divisible by $14$. Over the first $12984$ months, she counts $p$ such bloom events. She then calculates the number of unique pairs o...
73,035
NT
null
SUM
sympy
COUNT_FIB_DIVISIBLE
[ "COUNT_FIB_DIVISIBLE" ]
66de3c
modular_sum_quadratic_residues_v1
null
5
null
[ "COUNT_FIB_DIVISIBLE" ]
1
0.003
2026-03-10T04:57:28.847174Z
null
345d4d
bba262
narrative
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 206, "completion_tokens": 3389 }, "timestamp": "2026-03-29T18:40:37.770Z", "answer": 73035 }, { "...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "ok" }, { "lemma": "K13", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V3", "status": "no" } ...
{ "lo": 1.7, "mid": 5.03, "hi": 8.38 }
080cc2
modular_sum_quadratic_residues_v1_1978505735_4236
Let $p = 109$. Let $s$ be the set of all ordered pairs $(x, y)$ of positive integers such that $x \cdot y = 2809$. Let $t$ be the minimum value of $x + y$ as $(x, y)$ ranges over $s$. Let $u$ be the set of all ordered pairs $(x, y)$ of positive integers such that $x + y = t$. Let $v$ be the maximum value of $x \cdot y$...
76,466
graphs = [ Graph( let={ "_n": Const(4), "p": Const(109), "result": Div(Mul(Ref("p"), Sub(Ref("p"), Const(1))), Ref("_n")), "Q": Mod(value=Sub(MaxOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(...
NT
null
SUM
sympy
B3
[ "B3/B1" ]
6cdf3d
modular_sum_quadratic_residues_v1
negation_mod
6
0
[ "B1", "B3" ]
2
0.006
2026-02-08T18:05:07.319528Z
{ "verified": true, "answer": 76466, "timestamp": "2026-02-08T18:05:07.325046Z" }
f4401c
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 194, "completion_tokens": 869 }, "timestamp": "2026-02-18T13:51:39.731Z", "answer": 76466 }, {...
1
[ { "lemma": "B1", "status": "ok_later" }, { "lemma": "B3", "status": "ok" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma":...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
7a53b4
comb_sum_binomial_row_v1_1218484723_5688
Let $n$ be the number of ordered pairs $(a, b)$ of positive integers with $1 \leq a \leq b \leq 20$ such that $32a^2 + 32b^2 - 64ab = 800$. Compute $59049 - 2^n$.
26,281
graphs = [ Graph( let={ "_n": Const(20), "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(20)), Leq(Var("a"), Var("b")), Eq(Sum(Mul(Const(32), Pow...
COMB
null
SUM
sympy
QF_PSD_ORBIT
[ "QF_PSD_ORBIT" ]
1d37f3
comb_sum_binomial_row_v1
null
4
0
[ "QF_PSD_ORBIT" ]
1
0.002
2026-02-25T07:12:43.433822Z
{ "verified": true, "answer": 26281, "timestamp": "2026-02-25T07:12:43.435566Z" }
91690c
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": 681 }, "timestamp": "2026-03-29T22:18:11.368Z", "answer": 26281 }, { "i...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "QF_PSD_ORBIT", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8_SUM",...
{ "lo": -6.2, "mid": -2.87, "hi": 0.44 }
cfea4c
nt_count_divisible_and_v1_2051736721_2449
Let $d_2$ be the number of ordered triples $(x_1, x_2, x_3)$ of positive odd integers such that $x_1 + x_2 + x_3 = 11$. Let $N$ be the number of positive integers $n$ such that $1 \leq n \leq 57540$, $n$ is divisible by $12$, and the remainder when $n$ is divided by $d_2$ is $\sum_{k=0}^{1} (-1)^k \binom{1}{k}$. Comput...
959
graphs = [ Graph( let={ "_n": Const(11), "upper": Const(57540), "d1": Const(12), "d2": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x1"), Var("x2"), Var("x3")]), condition=And(IsPositive(arg=Var(name='x1')), IsPositive(arg=Var(name='x2')), IsPositive...
COMB
null
COUNT
sympy
BINOMIAL_ALTERNATING
[ "BINOMIAL_ALTERNATING", "COMB1" ]
e741ba
nt_count_divisible_and_v1
null
5
0
[ "BINOMIAL_ALTERNATING", "COMB1" ]
2
2.143
2026-02-08T16:41:03.329056Z
{ "verified": true, "answer": 959, "timestamp": "2026-02-08T16:41:05.472006Z" }
342e0e
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 170, "completion_tokens": 711 }, "timestamp": "2026-02-17T10:27:58.536Z", "answer": 959 }, { ...
1
[ { "lemma": "BINOMIAL_ALTERNATING", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "COMB1", "status": "ok" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" }, ...
{ "lo": -8, "mid": -4.75, "hi": -2.28 }
c76122
sequence_count_fib_divisible_v1_168721529_1962
Let $d$ be the smallest divisor of $2458739$ that is at least $2$. Let $S$ be the set of all positive integers $n \leq d$ such that $8$ divides $F_n$, where $F_n$ denotes the $n$-th Fibonacci number. Compute $\sum_{k=1}^{|S|} \tau(k)$, where $\tau(k)$ denotes the number of positive divisors of $k$.
70
graphs = [ Graph( let={ "upper": MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(2)), Divides(divisor=Var("d"), dividend=Const(2458739))))), "d": Const(8), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(...
NT
null
COUNT
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR" ]
bc3776
sequence_count_fib_divisible_v1
null
6
0
[ "MIN_PRIME_FACTOR" ]
1
0.011
2026-02-08T14:02:09.374314Z
{ "verified": true, "answer": 70, "timestamp": "2026-02-08T14:02:09.385487Z" }
1132e5
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 139, "completion_tokens": 2449 }, "timestamp": "2026-02-15T23:03:53.778Z", "answer": 70 }, { ...
1
[ { "lemma": "K13", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" } ]
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
129332
modular_mod_compute_v1_153355830_1677
Let $ a = 3249 $. Let $ S $ be the set of all ordered pairs of positive odd integers $ (x_1, x_2) $ such that $ x_1 + x_2 = 11858 $. Let $ m $ be the number of elements in $ S $. Define $ r $ to be the remainder when $ a $ is divided by $ m $. Let $ Q $ be the remainder when $ 44121 \cdot r $ is divided by 95246. Deter...
3,899
graphs = [ Graph( let={ "_n": Const(95246), "a": Const(3249), "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')),...
NT
null
COMPUTE
sympy
COMB1
[ "COMB1" ]
567f58
modular_mod_compute_v1
null
3
0
[ "COMB1" ]
1
0.002
2026-02-08T06:33:13.995471Z
{ "verified": true, "answer": 3899, "timestamp": "2026-02-08T06:33:13.997432Z" }
5c37c4
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 157, "completion_tokens": 912 }, "timestamp": "2026-02-13T01:45:08.266Z", "answer": 3899 }, { ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COMB1", "status": "ok" }, { "lemma": "K5", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "V5", "status": "no" } ]
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
203e81_l
comb_factorial_compute_v1_124444284_2460
Define \[s = \sum_{k=A}^{2} (-1)^k \binom{2}{k},\] where \[A = \sum_{k=0}^{8} (-1)^k \binom{8}{k}.\] Define \[t = \sum_{k=0}^{0} (-1)^k \binom{0}{k}.\] Let $N_0$ be the number of integers $t'$ for which there exist integers $a$ and $b$ satisfying \[1 \le a \le 2, \quad 1 \le b \le 4, \quad 15 \le t' \le 42, \quad t' =...
0
COMB
NT
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM/BINOMIAL_ALTERNATING", "ONE_BINOM_0" ]
9959fb
comb_factorial_compute_v1
null
8
2
[ "BINOMIAL_ALTERNATING", "LIN_FORM", "ONE_BINOM_0" ]
3
2.64
2026-02-08T04:42:03.088842Z
{ "verified": false, "answer": 19378, "timestamp": "2026-02-08T04:42:05.728579Z" }
ff593d
203e81
legacy_text
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 408, "completion_tokens": 5515 }, "timestamp": "2026-02-11T21:42:04.191Z", "answer": 49430 }, { ...
0
[ { "lemma": "BINOMIAL_ALTERNATING", "status": "ok_later" }, { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "ONE_BINOM_0", "status": "ok" }, { "lemma": "V7", "...
{ "lo": 3.93, "mid": 6.13, "hi": 9.2 }
028f7f
comb_bell_compute_v1_865884756_6699
Let $S$ be the set of all positive integers $p$ for which there exists a positive integer $q$ such that $p \cdot q = 1260$, $\gcd(p, q) = 1$, and $p < q$. Let $n$ be the number of elements in $S$. Let $B_n$ denote the $n$-th Bell number, which counts the number of partitions of a set of $n$ elements. Determine the rema...
27,666
graphs = [ Graph( let={ "_n": Const(98001), "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=1260)), Eq(left=GCD(a=Var(name='p'), b=Var(na...
NT
COMB
COMPUTE
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS" ]
2bb3aa
comb_bell_compute_v1
null
4
0
[ "COPRIME_PAIRS" ]
1
0.002
2026-02-08T19:21:22.358056Z
{ "verified": true, "answer": 27666, "timestamp": "2026-02-08T19:21:22.360142Z" }
ec51a0
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 160, "completion_tokens": 2918 }, "timestamp": "2026-02-18T22:03:59.541Z", "answer": 27666 }, ...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "V7", "status": "no"...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
d8f3be
alg_qf_psd_sum_v1_1218484723_3068
Find the remainder when $$ \sum_{a=1}^{13} \sum_{b=1}^{13} \sum_{c=1}^{13} \sum_{d=1}^{13} \left( 7a^2 + 24bc -14ac + 61b^2 + 18cd -26ad + 57c^2 -26bd -2ab + \sum_{k=1}^7 k \cdot d^2 \right) $$ is divided by $87272$.
49,301
graphs = [ Graph( let={ "_n": Const(13), "result": Mod(value=SumOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b"), Var("c"), Var("d")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), Const(13)), Geq(Var("b"), Const(1)), Leq(Var("b"), Ref("_n")), Ge...
ALG
null
COMPUTE
sympy
SUM_ARITHMETIC
[ "SUM_ARITHMETIC" ]
eb34f0
alg_qf_psd_sum_v1
null
4
0
[ "SUM_ARITHMETIC" ]
1
0.101
2026-02-25T04:49:19.449384Z
{ "verified": true, "answer": 49301, "timestamp": "2026-02-25T04:49:19.550603Z" }
3f49af
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 222, "completion_tokens": 2370 }, "timestamp": "2026-03-29T08:09:45.999Z", "answer": 49301 }, { "...
1
[ { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "SUM_ARITHMETIC", "status": "ok" } ]
{ "lo": -2.45, "mid": 1.37, "hi": 5.29 }
4f2520
nt_count_divisible_v1_1520064083_9469
Let $S$ be the set of all integers $n$ such that $1 \leq n \leq 80656$ and $n$ is congruent modulo $2$ to $\sum_{k=0}^{1} (-1)^k \binom{1}{k}$. Compute the number of elements in $S$.
40,328
graphs = [ Graph( let={ "upper": Const(80656), "divisor": Const(2), "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")), Summation(var="k", start=Const(0),...
COMB
null
COUNT
sympy
BINOMIAL_ALTERNATING
[ "BINOMIAL_ALTERNATING" ]
c21569
nt_count_divisible_v1
null
2
0
[ "BINOMIAL_ALTERNATING" ]
1
4.221
2026-02-08T10:46:49.316579Z
{ "verified": true, "answer": 40328, "timestamp": "2026-02-08T10:46:53.537670Z" }
390b63
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": 605 }, "timestamp": "2026-02-24T12:18:40.521Z", "answer": 40328 }, { "i...
1
[ { "lemma": "BINOMIAL_ALTERNATING", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8_SUM", "sta...
{ "lo": -9.23, "mid": -6.18, "hi": -4.06 }
7110fe
algebra_poly_eval_v1_898971024_2227
Let $a$ be the smallest divisor of $667$ that is greater than $1$. Compute the value of $$\frac{2a^3 - 7a^2 - 5a + c}{41},$$ where $c$ is the number of integers $t$ such that $11 \leq t \leq 43$ and there exist positive integers $a' \leq 5$, $b' \leq 5$ satisfying $t = 3a' + 5b' + 3$.
501
graphs = [ Graph( let={ "_m": Const(2), "_n": Const(2), "a": MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(2)), Divides(divisor=Var("d"), dividend=Const(667))))), "result": Div(Sum(Mul(Ref("_n"), Pow(Ref("a"), Const(3))), Mul(Cons...
NT
null
COMPUTE
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR", "LIN_FORM" ]
41af5a
algebra_poly_eval_v1
null
5
0
[ "LIN_FORM", "MIN_PRIME_FACTOR" ]
2
0.005
2026-02-08T16:36:42.269830Z
{ "verified": true, "answer": 501, "timestamp": "2026-02-08T16:36:42.275215Z" }
8143d2
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": 2690 }, "timestamp": "2026-02-17T07:51:18.449Z", "answer": 501 }, { ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "MOD_MUL", "status":...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
9568d2
comb_count_derangements_v1_1470522791_704
Let $T$ be the set of all integers $t$ such that there exist integers $a$ and $b$ satisfying $1 \leq a \leq 2$, $1 \leq b \leq 5$, $5 \leq t \leq 16$, and $t = 3a + 2b$. Let $\_n$ be the number of elements in $T$. Let $P$ be the set of all positive integers $p$ for which there exists a positive integer $q$ such that $p...
1,854
graphs = [ Graph( let={ "_n": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=2)), Geq(left=Var(name='b'), right=Const(value=...
NT
COMB
COUNT
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS/MAX_PRIME_BELOW", "LIN_FORM/MAX_PRIME_BELOW" ]
d6bd1c
comb_count_derangements_v1
null
6
0
[ "COPRIME_PAIRS", "LIN_FORM", "MAX_PRIME_BELOW" ]
3
0.01
2026-02-08T13:12:16.056901Z
{ "verified": true, "answer": 1854, "timestamp": "2026-02-08T13:12:16.067241Z" }
ebb234
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 217, "completion_tokens": 2033 }, "timestamp": "2026-02-15T10:29:14.781Z", "answer": 1854 }, {...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "K13", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "LTE_DIFF", "status": "no" }, { "l...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
3800a0
diophantine_fbi2_count_v1_458359167_5757
Let $m = 69$. Let $A$ be the set of all nonnegative integers $j$ such that $0 \leq j \leq 8193$ and $\binom{8193}{j}$ is odd. Let $n$ be the number of elements in $A$. Let $k = 240$. Let $B$ be the set of all positive integers $d$ such that $n \leq d \leq m$, $d$ divides $k$, $\frac{k}{d} \geq 3$, and $\frac{k}{d} \leq...
14
graphs = [ Graph( let={ "_m": Const(69), "_n": CountOverSet(set=SolutionsSet(var=Var("j"), condition=And(Geq(Var("j"), Const(0)), Leq(Var("j"), Const(8193)), Eq(Mod(value=Binom(n=Const(8193), k=Var("j")), modulus=Const(2)), Const(1))), domain='nonnegative_integers')), "k"...
NT
null
COUNT
sympy
C2
[ "B3/B3", "V8/B3" ]
afea9a
diophantine_fbi2_count_v1
null
7
0
[ "B3", "C2", "V8" ]
3
0.425
2026-02-08T12:40:52.895767Z
{ "verified": true, "answer": 14, "timestamp": "2026-02-08T12:40:53.321086Z" }
176e16
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 243, "completion_tokens": 2107 }, "timestamp": "2026-02-15T03:55:33.222Z", "answer": 14 }, { ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V8", ...
{ "lo": -6.96, "mid": -4.56, "hi": -1.46 }
038d9b
nt_min_phi_inverse_v1_50713871_77
Let $n = 606$. Let $\text{result}$ be the smallest positive integer $k$ such that $1 \leq k \leq 10$ and $\phi(k) = 1$, where $\phi$ is Euler's totient function. Let $Q = v_2(n!) - \text{result}$, where $v_2(n!)$ denotes the largest power of 2 that divides $n!$. Find the value of $Q$.
599
graphs = [ Graph( let={ "_n": Const(606), "upper": Const(10), "k": Const(1), "result": MinOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("upper")), Eq(EulerPhi(n=Var("n")), Ref("k"))))), "Q": Sub(Max...
NT
null
EXTREMUM
sympy
V1
[ "V1" ]
574795
nt_min_phi_inverse_v1
negation_mod
4
0
[ "V1" ]
1
0.003
2026-02-08T02:44:23.819344Z
{ "verified": true, "answer": 599, "timestamp": "2026-02-08T02:44:23.822495Z" }
cf6775
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 214, "completion_tokens": 716 }, "timestamp": "2026-02-08T19:47:29.965Z", "answer": 599 }, { "id"...
1
[ { "lemma": "K13", "status": "no" }, { "lemma": "K5", "status": "same_pattern_wrong" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "V1", "status": "ok" }, { ...
{ "lo": -4.6, "mid": 0.19, "hi": 4.77 }
a7919c
nt_count_divisors_in_range_v1_1915831931_3771
Let $n = 166320$. Let $a$ be the number of ordered pairs $(i, j)$ such that $1 \leq i \leq 8$ and $1 \leq j \leq 9$. Let $b = 41584$. Define $D$ to be the set of all positive divisors $d$ of $n$ such that $a \leq d \leq b$. Compute the number of elements in $D$. \n\nFind this number.
119
graphs = [ Graph( let={ "n": Const(166320), "a": CountOverSet(set=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(8)), right=IntegerRange(start=Const(1), end=Const(9)))), "b": Const(41584), "result": CountOverSet(set=SolutionsSet(var=Var("d"), con...
NT
null
COUNT
sympy
C4
[ "COUNT_CARTESIAN" ]
409d7d
nt_count_divisors_in_range_v1
null
3
0
[ "C4", "COUNT_CARTESIAN" ]
2
0.447
2026-02-08T17:54:19.741174Z
{ "verified": true, "answer": 119, "timestamp": "2026-02-08T17:54:20.188506Z" }
95559d
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 147, "completion_tokens": 3430 }, "timestamp": "2026-02-18T09:30:25.123Z", "answer": 119 }, { ...
1
[ { "lemma": "COUNT_CARTESIAN", "status": "ok" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
b50112
modular_product_range_v1_1520064083_346
Let $m = 12$. Define $S$ as the set of all ordered pairs $(x_1, x_2)$ of positive odd integers such that $x_1 + x_2 = 12168$. Let $n$ be the number of elements in $S$. Let $T$ be the set of all ordered pairs $(x, y)$ of positive integers such that $xy = n$. Let $s$ be the minimum value of $x + y$ as $(x, y)$ ranges ove...
3,283
graphs = [ Graph( let={ "_m": Const(12), "_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")), C...
NT
null
COMPUTE
sympy
COMB1
[ "COMB1/B3" ]
014cfb
modular_product_range_v1
null
5
0
[ "B3", "COMB1" ]
2
0.005
2026-02-08T03:16:54.116621Z
{ "verified": true, "answer": 3283, "timestamp": "2026-02-08T03:16:54.121542Z" }
bd090b
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": 13455 }, "timestamp": "2026-02-23T18:04:56.031Z", "answer": 3283 }, { ...
1
[ { "lemma": "B3", "status": "ok_later" }, { "lemma": "COMB1", "status": "ok" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no...
{ "lo": -3.49, "mid": 1.84, "hi": 7.55 }
b14ac4
antilemma_cartesian_v1_1125832087_1928
Compute the number of ordered pairs $(a, b)$ such that $1 \le a \le 17$ and $1 \le b \le 23$.
391
graphs = [ Graph( let={ "x": CountOverSet(set=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(17)), right=IntegerRange(start=Const(1), end=Const(23)))), }, goal=Ref("x"), ) ]
COMB
GEOM
COMPUTE
sympy
COUNT_CARTESIAN
[ "COUNT_CARTESIAN" ]
409d7d
antilemma_cartesian_v1
null
2
0
[ "COUNT_CARTESIAN" ]
1
0.001
2026-02-08T04:14:47.010799Z
{ "verified": true, "answer": 391, "timestamp": "2026-02-08T04:14:47.011340Z" }
ff6b8a
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 144, "completion_tokens": 115 }, "timestamp": "2026-02-23T23:51:56.480Z", "answer": 391 }, { "id"...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8_SUM", "status":...
{ "lo": -9.23, "mid": -6.18, "hi": -4.06 }
39cea3
nt_gcd_compute_v1_1742523217_2527
Let $a = 184485$ and $b = 342615$. Define $d = \gcd(a, b)$. Let $r$ be the remainder when $|d|$ is divided by $11$, and let $B_r$ denote the $r$-th Bell number. Compute the remainder when $B_r$ is divided by $55849$.
4,277
graphs = [ Graph( let={ "a": Const(184485), "b": Const(342615), "result": GCD(a=Ref("a"), b=Ref("b")), "Q": Mod(value=Bell(Mod(value=Abs(arg=Ref(name='result')), modulus=Const(11))), modulus=Const(55849)), }, goal=Ref("Q"), ) ]
NT
COMB
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
1ae498
nt_gcd_compute_v1
bell_mod
3
0
[ "LIN_FORM" ]
1
0.012
2026-02-08T04:50:05.923683Z
{ "verified": true, "answer": 4277, "timestamp": "2026-02-08T04:50:05.935330Z" }
d8514d
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 188, "completion_tokens": 591 }, "timestamp": "2026-02-11T22:05:47.099Z", "answer": 4277 }, { "i...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "V1", "status": "no" } ...
{ "lo": -3.42, "mid": 1.86, "hi": 7.55 }
834313
comb_count_surjections_v1_1439011603_1027
Let $n = 6$ and $k = 2$. Define $\text{result} = k! \cdot S(n, k)$, where $S(n, k)$ is the number of ways to partition a set of $n$ elements into $k$ nonempty unlabeled subsets. Let $T$ be the set of all ordered pairs $(x_1, x_2)$ of positive odd integers such that $x_1 + x_2 = 22$. Let $m$ be the number of elements in...
877
graphs = [ Graph( let={ "_n": Const(22), "n": Const(6), "k": Const(2), "result": Mul(Factorial(Ref("k")), Stirling2(n=Ref(name='n'), k=Ref(name='k'))), "Q": Bell(Mod(value=Abs(arg=Ref(name='result')), modulus=CountOverSet(set=SolutionsSet(var=Tuple...
COMB
null
COUNT
sympy
COMB1
[ "COMB1" ]
d93ba8
comb_count_surjections_v1
bell_mod
5
0
[ "COMB1" ]
1
0.003
2026-02-08T15:52:41.322501Z
{ "verified": true, "answer": 877, "timestamp": "2026-02-08T15:52:41.325482Z" }
75a70e
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 266, "completion_tokens": 787 }, "timestamp": "2026-02-24T18:53:44.413Z", "answer": 877 }, { "id...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COMB1", "status": "ok" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -4.1, "mid": -1.76, "hi": 1.3 }
3dd6cd
alg_poly3_min_v1_601307018_2875
Let $A = \left|\{ (a_1, b_1) : 1 \leq a_1, b_1 \leq 30,\ 13a_1^2 - 2a_1b_1 + 2b_1^2 \leq 1373 \}\right|$ and $B = \left|\{ t : t = 21a + 6b\ \text{for some}\ 1 \leq a \leq 56,\ 1 \leq b \leq 33,\ 27 \leq t \leq 1374 \}\right|$. Find the remainder when $$\min_{\substack{1 \leq a, b, c \leq 57}} \left( -92a^3 + 336b c^2 ...
33,452
graphs = [ Graph( let={ "_m": Const(2), "_n": Const(2), "result": Mod(value=MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b"), Var("c")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), Const(57)), Geq(Var("b"), Const(1)), Leq(Var("b"...
ALG
null
COMPUTE
sympy
QF_PSD_COUNT_LEQ
[ "QF_PSD_COUNT_LEQ", "LIN_FORM" ]
74f7c5
alg_poly3_min_v1
null
6
0
[ "LIN_FORM", "QF_PSD_COUNT_LEQ" ]
2
0.672
2026-03-10T03:29:53.884904Z
{ "verified": true, "answer": 33452, "timestamp": "2026-03-10T03:29:54.556985Z" }
584fb6
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 351, "completion_tokens": 9046 }, "timestamp": "2026-03-29T06:48:34.711Z", "answer": 33452 }, { "...
1
[ { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "QF_PSD_COUNT_LEQ", "status": "ok" } ]
{ "lo": 1.23, "mid": 4.27, "hi": 6.7 }
f355f4
nt_sum_totient_over_divisors_v1_865884756_1898
Let $n$ be the minimum value of $x + y$ over all pairs of positive integers $(x, y)$ such that $xy = 19731364$. Compute the sum of $\phi(d)$ over all positive divisors $d$ of $n$, where $\phi$ denotes Euler's totient function.
8,884
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(19731364)))), expr=Sum(Var("x"), Var("y")))), "result": SumO...
NT
null
COMPUTE
sympy
B3
[ "B3" ]
0cd20d
nt_sum_totient_over_divisors_v1
null
4
0
[ "B3" ]
1
0.003
2026-02-08T16:22:10.946927Z
{ "verified": true, "answer": 8884, "timestamp": "2026-02-08T16:22:10.950353Z" }
0553db
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 111, "completion_tokens": 1397 }, "timestamp": "2026-02-17T01:53:56.638Z", "answer": 8884 }, {...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "V7", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
48857a
comb_count_permutations_fixed_v1_349078426_1063
Let $n = 6$. Let $k$ be the number of positive integers $p$ for which there exists a positive integer $q$ such that $pq = 12$, $\gcd(p, q) = 1$, and $p < q$. Define $c = 56266$ and let $Q$ be the remainder when $c \cdot \binom{n}{k} \cdot !{(n - k)}$ is divided by $57139$. Find the value of $Q$.
53,562
graphs = [ Graph( let={ "n": Const(6), "k": CountOverSet(set=SolutionsSet(var=Var("p"), condition=And(IsPositive(arg=Var(name='p')), Exists(var=Var(name='q'), condition=And(Eq(left=Mul(Var(name='p'), Var(name='q')), right=Const(value=12)), Eq(left=GCD(a=Var(name='p'), b=Var(name='q')...
NT
COMB
COUNT
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS" ]
2bb3aa
comb_count_permutations_fixed_v1
null
4
0
[ "COPRIME_PAIRS" ]
1
0.004
2026-02-08T13:23:34.966067Z
{ "verified": true, "answer": 53562, "timestamp": "2026-02-08T13:23:34.970389Z" }
a96ba6
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": 1885 }, "timestamp": "2026-02-15T14:33:28.488Z", "answer": 53562 }, ...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "K13", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "V5", "status": "no" } ]
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
721239
nt_count_intersection_v1_151522320_1372
Let $a$ be the largest prime number less than or equal to $\sum_{k=1}^{3} k$. Determine the number of positive integers $n$ such that $1 \leq n \leq 20000$, $a$ divides $n$, and $\gcd(n, 6) = 1$.
1,333
graphs = [ Graph( let={ "_n": Const(3), "N": Const(20000), "a": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Summation(var="k", start=Const(1), end=Ref("_n"), expr=Var("k"))), IsPrime(Var("n"))))), "b": Const(6...
NT
null
COUNT
sympy
SUM_ARITHMETIC
[ "SUM_ARITHMETIC/MAX_PRIME_BELOW" ]
bde608
nt_count_intersection_v1
null
4
0
[ "MAX_PRIME_BELOW", "SUM_ARITHMETIC" ]
2
0.989
2026-02-08T03:55:14.052943Z
{ "verified": true, "answer": 1333, "timestamp": "2026-02-08T03:55:15.042208Z" }
8c7520
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 179, "completion_tokens": 759 }, "timestamp": "2026-02-10T16:21:04.306Z", "answer": 1333 }, { "id...
1
[ { "lemma": "K5", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok_later" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "SUM_ARITHMETIC", "status": "ok" }, { "lemma": "V1", "status": "no" ...
{ "lo": -5.55, "mid": -3.02, "hi": 0.31 }
0657b7
diophantine_product_count_v1_1520064083_441
Let $k = 360$ and $u = 309$. Let $S$ be the set of all integers $x$ such that $x \geq \sum_{d\mid \gcd(9,14)} \mu(d)$, $x \leq u$, $x$ divides $k$, and $\frac{k}{x} \leq u$. Compute the number of elements in $S$.
22
graphs = [ Graph( let={ "k": Const(360), "upper": Const(309), "result": CountOverSet(set=SolutionsSet(var=Var("x"), condition=And(Geq(Var("x"), SumOverDivisors(n=GCD(a=Const(value=9), b=Const(value=14)), var='d', expr=MoebiusMu(n=Var(name='d')))), Leq(Var("x"), Ref("upper...
NT
null
COUNT
sympy
B3
[ "MOBIUS_COPRIME" ]
ac54ac
diophantine_product_count_v1
null
5
0
[ "B3", "MOBIUS_COPRIME" ]
2
2.814
2026-02-08T03:21:30.214591Z
{ "verified": true, "answer": 22, "timestamp": "2026-02-08T03:21:33.028216Z" }
f8bff3
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 185, "completion_tokens": 800 }, "timestamp": "2026-02-18T00:19:28.901Z", "answer": 22 } ]
2
[ { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOBIUS_COPRIME", "status": "ok" } ...
{ "lo": -10, "mid": -6.47, "hi": -2.95 }
d32d64
comb_count_derangements_v1_124444284_8135
Let $S$ be the set of all positive integers $p$ such that there exists a positive integer $q$ with $p < q$, $pq = 185220$, and $\gcd(p, q) = 1$. Let $n$ be the number of elements in $S$. Let $D_n$ denote the number of derangements of $n$ elements. Compute the remainder when $89433 \cdot D_n$ is divided by $67910$.
5,749
graphs = [ Graph( let={ "_n": Const(67910), "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=185220)), Eq(left=GCD(a=Var(name='p'), b=Var(...
NT
COMB
COUNT
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS" ]
2bb3aa
comb_count_derangements_v1
null
5
0
[ "COPRIME_PAIRS" ]
1
0.001
2026-02-08T09:34:34.108680Z
{ "verified": true, "answer": 5749, "timestamp": "2026-02-08T09:34:34.109949Z" }
21378c
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": 3263 }, "timestamp": "2026-02-14T04:50:56.093Z", "answer": 5749 }, {...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "K17", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }