id
stringlengths
6
8
alias
stringlengths
24
50
problem
stringlengths
24
5.03k
answer
int64
-16,384
80.2B
graph
stringlengths
0
6.44k
domain
stringclasses
4 values
secondary_domain
stringclasses
4 values
goal
stringclasses
4 values
evaluator_id
stringclasses
1 value
root_lemma
stringclasses
89 values
lemma_paths
listlengths
0
5
recipe_id
stringlengths
0
6
seed_template_id
stringclasses
96 values
ending_id
stringclasses
13 values
olympiad_level
int64
2
9
num_spawns
int64
0
3
lemma_set
listlengths
1
7
num_lemmas
int64
1
7
generation_time
float64
0
43.9
created_at
stringlengths
27
27
verification
dict
problem_hash
stringlengths
6
6
parent_id
stringlengths
0
6
variant
stringclasses
3 values
license
stringclasses
1 value
llm_solvers
listlengths
1
13
solution_status
int64
0
2
lemma_applicability
listlengths
0
12
irt_difficulty
dict
16b1d5
modular_min_linear_v1_1431428450_759
Let $a$ be the sum of all real solutions $x$ to the equation $x^2 - 8434x - 143667 = 0$. Let $b = 10159$ and $m = 14093$. Determine the smallest positive integer $x$ such that $1 \leq x \leq m$ and $ax \equiv b \pmod{m}$. Find the value of this integer.
11,429
graphs = [ Graph( let={ "_n": Const(2), "a": SumOverSet(set=SolutionsSet(var=Var("x"), condition=Eq(Sum(Pow(Var("x"), Ref("_n")), Mul(Const(-8434), Var("x")), Const(-143667)), Const(0)))), "b": Const(10159), "m": Const(14093), "result": MinOverSet(...
NT
null
EXTREMUM
sympy
VIETA_SUM
[ "VIETA_SUM" ]
b33a7a
modular_min_linear_v1
null
5
0
[ "VIETA_SUM" ]
1
0.56
2026-02-08T13:40:12.681421Z
{ "verified": true, "answer": 11429, "timestamp": "2026-02-08T13:40:13.241143Z" }
394b1f
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": 2663 }, "timestamp": "2026-02-15T19:51:12.225Z", "answer": 11429 }, ...
1
[ { "lemma": "K14", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" }, { "lemma": "VIETA_SUM", "status": "ok" } ]
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
9db249
nt_sum_totient_over_divisors_v1_1874849503_739
Let $n_1$ be the largest prime number between $2$ and $6$, inclusive. Define $w$ to be the number of distinct prime factors of $n_1$. Let $p = 2$, and let $v$ be the remainder when $\left( (p - \sum_{d \mid \gcd(9,14)} \mu(d))! + 1 \right)$ is divided by $p$. Let $n = 91677$, and let $\text{result}$ be the sum of $\phi...
9,324
graphs = [ Graph( let={ "n1": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Const(6)), IsPrime(Var("n"))))), "w": SmallOmega(n=Ref(name='n1')), "p": Const(2), "v": Mod(value=Sum(Factorial(Sub(Ref("p"), SumOverDi...
NT
null
COMPUTE
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW/OMEGA_ONE", "MOBIUS_COPRIME", "WILSON" ]
8d2f63
nt_sum_totient_over_divisors_v1
null
6
2
[ "MAX_PRIME_BELOW", "MOBIUS_COPRIME", "OMEGA_ONE", "WILSON" ]
4
0.017
2026-02-08T13:16:27.376554Z
{ "verified": true, "answer": 9324, "timestamp": "2026-02-08T13:16:27.393541Z" }
6aa8ab
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 270, "completion_tokens": 991 }, "timestamp": "2026-02-09T20:26:40.247Z", "answer": 9324 }, { "id...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOBIUS_COPRIME", "status": "ok" }, { "lemma": "OMEGA_ONE", "st...
{ "lo": -6.5, "mid": -0.2, "hi": 6.11 }
ba3c27
nt_min_coprime_above_v1_397696148_2402
Let $ A $ be the set of integers $ n $ such that $ 75625 < n \le 75710 $ and $ \gcd(n, 75) = 1 $. Let $ a $ be the smallest element of $ A $. Let $ b $ be the largest prime number less than or equal to $ 7002 $. Compute $ (a \bmod 317) + b \cdot (a \bmod 313) $, and find the remainder when this quantity is divided by $...
40,373
graphs = [ Graph( let={ "_n": Const(65550), "start": Const(75625), "upper": Const(75710), "modulus": Const(75), "result": MinOverSet(set=SolutionsSet(var=Var("n"), condition=And(Gt(Var("n"), Ref("start")), Leq(Var("n"), Ref("upper")), Eq(GCD(a=Var(...
NT
null
EXTREMUM
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW" ]
08a653
nt_min_coprime_above_v1
two_moduli
4
0
[ "MAX_PRIME_BELOW" ]
1
0.013
2026-02-08T13:09:24.353925Z
{ "verified": true, "answer": 40373, "timestamp": "2026-02-08T13:09:24.367198Z" }
573427
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": 2282 }, "timestamp": "2026-02-15T12:45:46.437Z", "answer": 40373 }, ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V5", "status": "no" }, { "lemma": "V7", "status": "no" } ]
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
a33fbf
comb_factorial_compute_v1_1218484723_6904
Let $n$ be the minimum value of $10a^2 - 32ab + 32b^2$ over all positive integers $a, b$ with $1 \le a, b \le 20$. Let $M = n!$. Find the remainder when $38809 - M$ is divided by $56706$.
55,195
graphs = [ Graph( let={ "_n": Const(38809), "n": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), Const(20)), Geq(Var("b"), Const(1)), Leq(Var("b"), Const(20)))), expr=Sum(Mul(Const(-32), Var("a"...
COMB
null
COMPUTE
sympy
QF_PSD_MIN
[ "QF_PSD_MIN" ]
c66ce3
comb_factorial_compute_v1
null
4
0
[ "QF_PSD_MIN" ]
1
0.001
2026-02-25T08:21:38.169635Z
{ "verified": true, "answer": 55195, "timestamp": "2026-02-25T08:21:38.171099Z" }
e367f6
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": 4959 }, "timestamp": "2026-03-30T03:04:26.218Z", "answer": 55195 }, { "...
1
[ { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "QF_PSD_MIN", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status": "no" ...
{ "lo": -3.33, "mid": 1.03, "hi": 5.26 }
3207bc
diophantine_fbi2_count_v1_153355830_2273
Let $k$ be the minimum value of $x + y$ over all ordered pairs $(x, y)$ of positive integers such that $xy = 176400$. Let $A$ be the set of positive integers $d$ such that $2 \le d \le 129$, $d$ divides $k$, $\frac{k}{d} \ge 2$, and $\frac{k}{d} \le t_{\text{max}}$, where $t_{\text{max}}$ is the number of integers $t$ ...
20
graphs = [ Graph( let={ "_m": Const(2), "_n": Const(2), "k": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Mul(Var("x"), Var("y")), Const(176400)))), expr...
NT
null
COUNT
sympy
VIETA_SUM
[ "LIN_FORM", "B3" ]
688dbe
diophantine_fbi2_count_v1
null
7
0
[ "B3", "LIN_FORM", "VIETA_SUM" ]
3
0.096
2026-02-08T07:01:29.397888Z
{ "verified": true, "answer": 20, "timestamp": "2026-02-08T07:01:29.493391Z" }
b9147e
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 213, "completion_tokens": 5007 }, "timestamp": "2026-02-13T07:25:45.443Z", "answer": 20 }, { ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lem...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
7e2171
diophantine_fbi2_min_v1_677425708_3368
Let $m$ be the number of prime numbers between 2 and 11, inclusive. Let $k$ be the minimum value of $x + y$ over all ordered pairs of positive integers $(x, y)$ such that $xy = 32400$. Let $u$ be the number of integers $t$ with $18 \leq t \leq 780$ for which there exist positive integers $a \leq 10$ and $b \leq 85$ suc...
6,646
graphs = [ Graph( let={ "_c": Const(2), "_m": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Ref("_c")), Leq(Var("n"), Const(11)), IsPrime(Var("n"))))), "_n": Const(2), "k": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements...
NT
null
EXTREMUM
sympy
COUNT_PRIMES
[ "COUNT_PRIMES/LIN_FORM", "B3" ]
c20eb1
diophantine_fbi2_min_v1
null
6
0
[ "B3", "COUNT_PRIMES", "LIN_FORM" ]
3
0.017
2026-02-08T05:40:37.163004Z
{ "verified": true, "answer": 6646, "timestamp": "2026-02-08T05:40:37.180033Z" }
83c3bf
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 214, "completion_tokens": 2925 }, "timestamp": "2026-02-12T12:21:30.457Z", "answer": 6646 }, {...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_PRIMES", "status": "ok" }, { "lemma": "LIN_FORM", "status": "ok_later" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "LTE_SUM", "status": "no"...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
e77c04
antilemma_k2_v1_655260480_3488
Let $n = 311$. Define $s$ to be the sum of $\phi(d)$ over all positive divisors $d$ of $n$, where $\phi$ is Euler's totient function. Compute the value of $$ \sum_{k=1}^{s} \phi(k) \left\lfloor \frac{311}{k} \right\rfloor. $$
48,516
graphs = [ Graph( let={ "_m": Const(311), "_n": SumOverDivisors(n=Ref(name='_m'), var='d', expr=EulerPhi(n=Var(name='d'))), "x": Summation(var="k", start=Const(1), end=Ref("_n"), expr=Mul(EulerPhi(n=Var("k")), Floor(Div(Const(311), Var("k"))))), }, goal=Re...
NT
COMB
COMPUTE
sympy
K13
[ "K3/K2", "K2" ]
c7f244
antilemma_k2_v1
null
6
0
[ "K13", "K2", "K3" ]
3
0.002
2026-02-08T17:24:29.404299Z
{ "verified": true, "answer": 48516, "timestamp": "2026-02-08T17:24:29.406765Z" }
47d3d2
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 123, "completion_tokens": 851 }, "timestamp": "2026-02-18T01:35:01.745Z", "answer": 48516 }, {...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "K3", "status": "ok" }, { "lemma": "V1", "status": "no" }, { "...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
d82574
nt_count_divisible_and_v1_784195855_5171
Let $S$ be the set of all ordered pairs $(x,y)$ of positive integers such that $x + y = 6$. Define $d_1$ to be the maximum value of $xy$ over all such pairs. Let $d_2 = 12$. Let $N$ be the number of positive integers $n$ with $1 \leq n \leq 58320$ such that \[ n \equiv \sum_{d \mid \gcd(99, M)} \mu(d) \pmod{d_1} \] and...
1,620
graphs = [ Graph( let={ "_n": Const(99), "upper": Const(58320), "d1": MaxOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Sum(Var("x"), Var("y")), Const(6)))), ...
NT
null
COUNT
sympy
L3C
[ "L3C/MOBIUS_COPRIME", "B1" ]
2fee23
nt_count_divisible_and_v1
null
7
0
[ "B1", "L3C", "MOBIUS_COPRIME" ]
3
1.967
2026-02-08T07:42:33.891276Z
{ "verified": true, "answer": 1620, "timestamp": "2026-02-08T07:42:35.858486Z" }
af2b98
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 307, "completion_tokens": 603 }, "timestamp": "2026-02-20T04:52:12.421Z", "answer": 1620 } ]
2
[ { "lemma": "B1", "status": "ok" }, { "lemma": "L3C", "status": "ok" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MOBIUS_COPRIME", "status": "ok_later" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status"...
{ "lo": -10, "mid": -6.47, "hi": -2.95 }
4c8566
nt_count_intersection_v1_655260480_2842
Let $a$ be the largest prime number at most 6. Let $N = 20000$. Compute the number of positive integers $n_1$ such that $1 \leq n_1 \leq N$, $a$ divides $n_1$, and $\gcd(n_1, 18) = 1$.
1,333
graphs = [ Graph( let={ "N": Const(20000), "a": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Const(6)), IsPrime(Var("n"))))), "b": Const(18), "result": CountOverSet(set=SolutionsSet(var=Var("n1"), condition=And...
NT
null
COUNT
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW" ]
dc3ad3
nt_count_intersection_v1
null
3
0
[ "MAX_PRIME_BELOW" ]
1
1.368
2026-02-08T17:01:58.132577Z
{ "verified": true, "answer": 1333, "timestamp": "2026-02-08T17:01:59.500547Z" }
1176da
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 116, "completion_tokens": 1038 }, "timestamp": "2026-02-17T18:10:00.961Z", "answer": 1333 }, {...
1
[ { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
e12108
nt_count_divisors_in_range_v1_2051736721_1190
Let $D$ be the set of all positive divisors $d_1$ of $1358360$ such that $1 \leq d_1 \leq 1160$. Let $b$ be the sum of $\phi(d)$ over all $d \in D$, where $\phi$ denotes Euler's totient function. Let $n = 27720$, $a = 1$, and let $R$ be the set of all positive divisors $d_2$ of $n$ such that $a \leq d_2 \leq b$. Let $q...
60
graphs = [ Graph( let={ "n": Const(27720), "a": Const(1), "b": SumOverDivisors(n=MaxOverSet(set=SolutionsSet(var=Var(name='d1'), condition=And(Geq(left=Var(name='d1'), right=Const(value=1)), Leq(left=Var(name='d1'), right=Const(value=1160)), Divides(divisor=Var(name='d1')...
NT
null
COUNT
sympy
MAX_DIVISOR
[ "MAX_DIVISOR/K3" ]
97a225
nt_count_divisors_in_range_v1
null
4
0
[ "K3", "MAX_DIVISOR" ]
2
0.028
2026-02-08T15:52:59.717558Z
{ "verified": true, "answer": 60, "timestamp": "2026-02-08T15:52:59.745489Z" }
9c7ba3
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 199, "completion_tokens": 3389 }, "timestamp": "2026-02-16T15:59:45.073Z", "answer": 60 }, { ...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K3", "status": "ok_later" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MAX_DIVISOR", "status": "ok" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "V8", "status": "no" }...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
a7d506
modular_sum_quadratic_residues_v1_2051736721_5985
Let $p = 461$. Define $\text{result} = \frac{p(p-1)}{4}$. Let $S$ be the set of all positive integers $n$ such that $2 \leq n \leq 316$ and $n$ is prime. Let $D$ be the set of all positive divisors $d$ of 99221 such that $1 \leq d \leq \max(S)$. Compute the remainder when $$ \text{result} \bmod 317 + 3001 \cdot \left(\...
57,829
graphs = [ Graph( let={ "_m": Const(59273), "_n": Const(317), "p": Const(461), "result": Div(Mul(Ref("p"), Sub(Ref("p"), Const(1))), Const(4)), "Q": Mod(value=Sum(Mod(value=Ref("result"), modulus=Ref("_n")), Mul(Const(3001), Mod(value=Ref("result")...
NT
null
SUM
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW/MAX_DIVISOR" ]
c7ab7c
modular_sum_quadratic_residues_v1
two_moduli
6
0
[ "MAX_DIVISOR", "MAX_PRIME_BELOW" ]
2
0.003
2026-02-08T18:53:44.593652Z
{ "verified": true, "answer": 57829, "timestamp": "2026-02-08T18:53:44.596714Z" }
888faa
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 179, "completion_tokens": 1365 }, "timestamp": "2026-02-18T20:17:00.908Z", "answer": 57829 }, ...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MAX_DIVISOR", "status": "ok_later" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "V8", "stat...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
4bc4ea
nt_count_intersection_v1_124444284_618
Let $N = 5000$. Let $S$ be the set of all positive integers $n$ such that $1 \leq n \leq N$, $3$ divides $n$, and $\gcd(n, 14) = d$, where $d = \sum_{k \mid \gcd(15,22)} \mu(k)$ and $\mu$ denotes the Möbius function. Compute the number of elements in $S$.
714
graphs = [ Graph( let={ "N": Const(5000), "a": Const(3), "b": Const(14), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("N")), Divides(divisor=Ref("a"), dividend=Var("n")), Eq(GCD(a=Var("n"), b=Re...
NT
null
COUNT
sympy
MOBIUS_COPRIME
[ "MOBIUS_COPRIME" ]
ac54ac
nt_count_intersection_v1
null
4
0
[ "MOBIUS_COPRIME" ]
1
0.9
2026-02-08T03:24:21.969349Z
{ "verified": true, "answer": 714, "timestamp": "2026-02-08T03:24:22.869313Z" }
6d9909
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": 1257 }, "timestamp": "2026-02-09T19:50:01.189Z", "answer": 714 }, { "id...
1
[ { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MOBIUS_COPRIME", "status": "ok" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemm...
{ "lo": -6.51, "mid": -0.31, "hi": 5.43 }
4d3eef
comb_count_surjections_v1_1218484723_5322
Let $k$ be the number of integers $a$ with $0 \le a \le 72$ such that $$(\,(a^{2} + a -34 \bmod 73)^{2} + (a^{2} + a -34 \bmod 73) -34 \bmod 73\,)^{2} + (\,(a^{2} + a -34 \bmod 73)^{2} + (a^{2} + a -34 \bmod 73) -34 \bmod 73\,) -34 \bmod 73 = a,$$ $$(a^{36} \bmod 73) + (a^{2} + a -34 \bmod 73^{36} \bmod 73) + (\,(a^{2}...
150
graphs = [ Graph( let={ "_n": Const(2), "n": Const(5), "k": CountOverSet(set=SolutionsSet(var=Var("a"), condition=And(Geq(Var("a"), Const(0)), Leq(Var("a"), Const(72)), Eq(Mod(value=Sum(Pow(Mod(value=Sum(Pow(Mod(value=Sum(Pow(Var("a"), Const(2)), Var("a"), Const(-34)), mo...
COMB
NT
COUNT
sympy
POLY_ORBIT_LEGENDRE
[ "POLY_ORBIT_LEGENDRE" ]
7c2be8
comb_count_surjections_v1
null
7
0
[ "POLY_ORBIT_LEGENDRE" ]
1
0.004
2026-02-25T06:56:18.266607Z
{ "verified": true, "answer": 150, "timestamp": "2026-02-25T06:56:18.270651Z" }
428c1d
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 441, "completion_tokens": 14010 }, "timestamp": "2026-03-29T20:31:41.205Z", "answer": 1 }, { "...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "POLY_ORBIT_LEGENDRE", "status": "ok" }, { "lemma": "V8_SU...
{ "lo": 3.81, "mid": 6.33, "hi": 9.49 }
42bbbf
geo_count_lattice_rect_v1_1431428450_1265
Compute the number of lattice points in the rectangle $[0, 222] \times [0, 89]$, including the boundary.
20,070
graphs = [ Graph( let={ "a": Const(222), "b": Const(89), "result": LatticePointsRect(a=Ref(name='a'), b=Ref(name='b')), }, goal=Ref("result"), ) ]
GEOM
null
COUNT
sympy
[]
geo_count_lattice_rect_v1
null
2
0
null
null
0.001
2026-02-08T13:59:10.421281Z
{ "verified": true, "answer": 20070, "timestamp": "2026-02-08T13:59:10.422375Z" }
bafef3
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 139, "completion_tokens": 217 }, "timestamp": "2026-02-24T19:25:31.283Z", "answer": 20070 }, { "i...
1
[]
{ "lo": -6.4, "mid": -4.13, "hi": -2.01 }
5d328b
nt_count_coprime_v1_865884756_1005
Let $k = 49$ and $N = 84100$. Define $A$ to be the set of all positive integers $n$ such that $1 \le n \le N$ and $\gcd(n, k) = 1$. Let $r$ be the remainder when $44121 \cdot |A|$ is divided by $88255$. Find the value of $r$.
60,971
graphs = [ Graph( let={ "upper": Const(84100), "k": Const(49), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("upper")), Eq(GCD(a=Var("n"), b=Ref("k")), Const(1))))), "Q": Mod(value=Mul(Const(4412...
NT
null
COUNT
sympy
K14
[ "K14/C5/MOBIUS_COPRIME" ]
27d800
nt_count_coprime_v1
null
3
0
[ "C5", "K14", "MOBIUS_COPRIME" ]
3
11.935
2026-02-08T15:43:25.394477Z
{ "verified": true, "answer": 60971, "timestamp": "2026-02-08T15:43:37.329837Z" }
2da718
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 130, "completion_tokens": 2811 }, "timestamp": "2026-02-16T12:02:52.709Z", "answer": 60971 }, ...
1
[ { "lemma": "C5", "status": "ok_later" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K14", "status": "ok" }, { "lemma": "K5", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MOBIUS_COPRIME", "status": "ok_later" }, ...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
fa4c98
nt_count_divisors_in_range_v1_865884756_4376
Let $n$ be the number of positive integers $n_1 \leq 13860$ such that $n_1 \equiv \left\lfloor \frac{n_1}{2} \right\rfloor \pmod{11}$. Compute the number of positive divisors $d$ of $n$ such that $7 \leq d \leq 107$.
21
graphs = [ Graph( let={ "_n": Const(13860), "n": CountOverSet(set=SolutionsSet(var=Var("n1"), condition=And(Geq(Var("n1"), Const(1)), Leq(Var("n1"), Ref("_n")), Congruent(a=Var(name='n1'), b=Floor(arg=Div(left=Var(name='n1'), right=Const(value=2))), modulus=Const(value=11))))), ...
NT
null
COUNT
sympy
MAX_DIVISOR
[ "L3C" ]
73f8b0
nt_count_divisors_in_range_v1
null
5
0
[ "L3C", "MAX_DIVISOR" ]
2
0.363
2026-02-08T17:54:35.938960Z
{ "verified": true, "answer": 21, "timestamp": "2026-02-08T17:54:36.302434Z" }
6629ca
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": 3223 }, "timestamp": "2026-02-18T09:46:53.704Z", "answer": 21 }, { ...
1
[ { "lemma": "DS2", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "L3C", "status": "ok" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "V5", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
1be8cd
diophantine_product_count_v1_168721529_535
Let $k = \sum_{i=1}^{15} i$. Compute the number of positive integers $x$ such that $1 \leq x \leq 113$, $x$ divides $k$, and $\frac{k}{x} \leq 113$. Let $N$ be this number. Let $Q$ be the sum of $26896$ and $\sum_{i=0}^{d-1} d_i (i+1)^2$, where $d$ is the number of digits in $N$ and $d_i$ is the $i$-th digit of $N$ (st...
26,904
graphs = [ Graph( let={ "_n": Const(26896), "k": Summation(var="k", start=Const(1), end=Const(15), expr=Var("k")), "upper": Const(113), "result": CountOverSet(set=SolutionsSet(var=Var("x"), condition=And(Geq(Var("x"), Const(1)), Leq(Var("x"), Ref("upper")), Di...
NT
null
COUNT
sympy
SUM_ARITHMETIC
[ "SUM_ARITHMETIC" ]
eb34f0
diophantine_product_count_v1
null
4
0
[ "SUM_ARITHMETIC" ]
1
0.008
2026-02-08T13:05:56.866000Z
{ "verified": true, "answer": 26904, "timestamp": "2026-02-08T13:05:56.874248Z" }
7b4046
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 263, "completion_tokens": 1199 }, "timestamp": "2026-02-09T06:02:35.569Z", "answer": 26904 }, { "...
1
[ { "lemma": "K13", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "SUM_ARITHMETIC", "status": "o...
{ "lo": -2, "mid": 1.85, "hi": 5.2 }
b7bf57
nt_count_phi_equals_v1_1978505735_1176
Let $S$ be the set of all integers $t$ such that there exist positive integers $a$ and $b$ with $1 \le a \le 60$, $1 \le b \le 350$, $9 \le t \le 1700$, and $t = 5a + 4b$. Let $u$ be the number of elements in $S$. Compute the number of positive integers $n$ such that $1 \le n \le u$ and $\phi(n) = 372$.
2
graphs = [ Graph( let={ "upper": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=60)), Geq(left=Var(name='b'), right=Const(va...
NT
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
nt_count_phi_equals_v1
null
6
0
[ "LIN_FORM" ]
1
0.144
2026-02-08T15:52:50.498163Z
{ "verified": true, "answer": 2, "timestamp": "2026-02-08T15:52:50.642271Z" }
097389
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 159, "completion_tokens": 5768 }, "timestamp": "2026-02-16T14:54:06.522Z", "answer": 2 }, { ...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V1", "status": "no" }, { "lemma": "V8", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
59671e
sequence_count_fib_divisible_v1_865884756_144
Let $S$ be the set of all ordered pairs $(x, y)$ of positive integers such that $xy = 197136$. Define $s_0$ to be the minimum value of $x + y$ as $(x, y)$ ranges over $S$. Let $D$ be the set of all positive integers $d_1$ such that $1 \leq d_1 \leq s_0$ and $d_1$ divides $816072$. Define $u$ to be the maximum element o...
29
graphs = [ Graph( let={ "upper": MaxOverSet(set=SolutionsSet(var=Var("d1"), condition=And(Geq(Var("d1"), Const(1)), Leq(Var("d1"), 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(M...
NT
null
COUNT
sympy
B3
[ "B3/MAX_DIVISOR" ]
33b851
sequence_count_fib_divisible_v1
null
5
0
[ "B3", "MAX_DIVISOR" ]
2
0.066
2026-02-08T15:12:32.348233Z
{ "verified": true, "answer": 29, "timestamp": "2026-02-08T15:12:32.413966Z" }
d68f5c
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 1, "correct": { "strict": false, "boxed": false, "relaxed": true }, "usage": { "prompt_tokens": 266, "completion_tokens": 3620 }, "timestamp": "2026-02-11T11:05:13.895Z", "answer": 0 }, { "i...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "...
{ "lo": 1.94, "mid": 5.23, "hi": 8.52 }
48c948
comb_bell_compute_v1_548369836_277
Let $n = 9$. Define $B_n$ to be the $n$th Bell number, which counts the number of partitions of a set of $n$ elements. Let $S$ be the set of all nonnegative integers $j$ such that \begin{itemize} \item $j \geq \sum_{d \mid 28} \mu(d)$, \item $j \leq 60399$, and \item $\binom{60399}{j} \equiv \sum_{d \mid \gcd(11,13)} \...
74,086
graphs = [ Graph( let={ "_n": Const(87041), "n": Const(9), "result": Bell(Ref("n")), "_c": CountOverSet(set=SolutionsSet(var=Var("j"), condition=And(Geq(Var("j"), SumOverDivisors(n=Const(value=28), var='d', expr=MoebiusMu(n=Var(name='d')))), Leq(Var("j"), Cons...
NT
COMB
COMPUTE
sympy
V8
[ "V8", "MOBIUS_COPRIME", "MOBIUS_SUM" ]
fe0397
comb_bell_compute_v1
negation_mod
7
0
[ "MOBIUS_COPRIME", "MOBIUS_SUM", "V8" ]
3
0.004
2026-02-08T02:50:20.683922Z
{ "verified": true, "answer": 74086, "timestamp": "2026-02-08T02:50:20.687560Z" }
ee3a5b
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 284, "completion_tokens": 2074 }, "timestamp": "2026-02-08T20:17:39.613Z", "answer": 74086 }, { "...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "MOBIUS_COPRIME", "status": "ok" }, { "lemma": "MOBIUS_SUM", "status": "ok" }, { "lemma": "MOD_MUL", "status": "no" }, { "...
{ "lo": -2.08, "mid": 1.77, "hi": 4.93 }
e82676
comb_bell_compute_v1_784195855_8788
Let $a = 3$ and $b = 3$. Define $n_2 = a + b$ and $$ m = \sum_{k=0}^{n_2} (-1)^k \binom{n_2}{k}. $$ Let $n_1 = 7$ and $$ w = \sum_{k=0}^{n_1} (-1)^k \binom{n_1}{k}. $$ Define $n = 9 + m + w$. Compute the $n$-th Bell number, which counts the number of partitions of a set of $n$ elements.
21,147
graphs = [ Graph( let={ "a": Const(3), "b": Const(3), "n2": Sum(Ref("a"), Ref("b")), "m": Summation(var="k", start=Const(0), end=Ref("n2"), expr=Mul(Pow(Const(-1), Var("k")), Binom(n=Ref("n2"), k=Var("k")))), "n1": Const(7), "w": Summat...
COMB
null
COMPUTE
sympy
BINOMIAL_ALTERNATING
[ "BINOMIAL_ALTERNATING" ]
c21569
comb_bell_compute_v1
null
6
2
[ "BINOMIAL_ALTERNATING" ]
1
0.001
2026-02-08T16:19:02.390181Z
{ "verified": true, "answer": 21147, "timestamp": "2026-02-08T16:19:02.391562Z" }
20a0b2
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 245, "completion_tokens": 575 }, "timestamp": "2026-02-24T20:37:09.767Z", "answer": 21147 }, { "...
1
[ { "lemma": "BINOMIAL_ALTERNATING", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8_SUM", "st...
{ "lo": -5.65, "mid": -3.17, "hi": -0.81 }
991223
diophantine_fbi2_count_v1_1918700295_3818
Let $n = 84$. Consider the Cartesian product of the sets $\{1, 2, \dots, 20\}$ and $\{1, 2, \dots, 21\}$, and let $k$ be the number of elements in this product. Define $D$ to be the set of all integers $d$ such that $5 \leq d \leq n$, $d$ divides $k$, and the quotient $k/d$ satisfies $5 \leq k/d \leq 84$. Let $r$ be th...
64,128
graphs = [ Graph( let={ "_n": Const(84), "k": CountOverSet(set=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(20)), right=IntegerRange(start=Const(1), end=Const(21)))), "result": CountOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(5...
NT
null
COUNT
sympy
COUNT_CARTESIAN
[ "COUNT_CARTESIAN" ]
409d7d
diophantine_fbi2_count_v1
null
4
0
[ "COUNT_CARTESIAN" ]
1
0.023
2026-02-08T08:57:47.931276Z
{ "verified": true, "answer": 64128, "timestamp": "2026-02-08T08:57:47.954418Z" }
1654df
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 186, "completion_tokens": 1320 }, "timestamp": "2026-02-13T22:46:21.880Z", "answer": 64128 }, ...
1
[ { "lemma": "COUNT_CARTESIAN", "status": "ok" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "V1", "status": "no" } ]
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
e1006f
diophantine_fbi2_count_v1_124444284_3701
Let $k = 1260$. Compute the number of positive integers $d$ such that $5 \leq d \leq 132$, $d$ divides $k$, and $3 \leq \frac{k}{d} \leq 130$.
20
graphs = [ Graph( let={ "_n": Const(5), "k": Const(1260), "result": CountOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Ref("_n")), Leq(Var("d"), Const(132)), Divides(divisor=Var("d"), dividend=Ref("k")), Geq(Div(Ref("k"), Var("d")), Const(3)), Leq(Div...
NT
null
COUNT
sympy
B3
[ "K13" ]
8d970a
diophantine_fbi2_count_v1
null
4
0
[ "B3", "K13" ]
2
0.033
2026-02-08T05:32:52.332524Z
{ "verified": true, "answer": 20, "timestamp": "2026-02-08T05:32:52.365983Z" }
ae469f
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 99, "completion_tokens": 2551 }, "timestamp": "2026-02-12T10:30:06.271Z", "answer": 20 }, { ...
1
[ { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K13", "status": "ok" }, { "lemma": "K18", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -3.44, "mid": 1.32, "hi": 6.32 }
aef5fa
geo_count_lattice_triangle_v1_1874849503_684
Let the area of a triangle with vertices at $(0,1)$, $(121,128)$, and $(128,0)$ be denoted by $A$. The quantity $2A$ is given by $$ |121 \cdot 128 + 128 \cdot (-1) + 0|. $$ Let $b$ be the sum of the greatest common divisors of the absolute differences in coordinates along each edge of the triangle, specifically $$ \gcd...
7,616
graphs = [ Graph( let={ "area_2x": Abs(arg=Sum(Mul(Const(value=121), Const(value=128)), Mul(Const(value=128), Sub(left=Const(value=0), right=Const(value=1))))), "boundary": Sum(GCD(a=Abs(arg=Const(value=121)), b=Abs(arg=Const(value=1))), GCD(a=Abs(arg=Sub(left=Const(value=128), right...
ALG
NT
COUNT
sympy
[]
geo_count_lattice_triangle_v1
null
6
0
null
null
0.005
2026-02-08T13:15:11.708565Z
{ "verified": true, "answer": 7616, "timestamp": "2026-02-08T13:15:11.713878Z" }
ef984c
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 281, "completion_tokens": 1915 }, "timestamp": "2026-02-09T19:48:45.932Z", "answer": 8188 }, { ...
1
[]
{ "lo": 1.69, "mid": 5.03, "hi": 8.38 }
b9e283
nt_lcm_compute_v1_1353956133_99
Let $T$ be the set of all integers $t$ with $15 \leq t \leq 4266$ for which there exist positive integers $a \leq 386$ and $b \leq 132$ such that $t = 9a + 6b$. Let $a = |T|$ and $b = 975$. Define $L = \mathrm{lcm}(a, b)$. Compute the value of $$ \sum_{i=0}^{\mathrm{num\_digits}(L) - 1} \mathrm{digit}_i(L) \cdot (i+1)...
40,632
graphs = [ Graph( let={ "_n": Const(2), "a": 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=386)), Geq(left=Var(...
NT
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
nt_lcm_compute_v1
null
6
0
[ "LIN_FORM" ]
1
0.002
2026-02-08T11:18:56.236402Z
{ "verified": true, "answer": 40632, "timestamp": "2026-02-08T11:18:56.238757Z" }
5c1a96
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 215, "completion_tokens": 4776 }, "timestamp": "2026-02-14T11:33:29.252Z", "answer": 40632 }, ...
1
[ { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
d6519e
antilemma_k3_v1_153355830_2874
Let $x$ be the sum of $\phi(d)$ over all positive divisors $d$ of $83353$. Find the remainder when $8100 - x$ is divided by $93518$.
18,265
graphs = [ Graph( let={ "x": SumOverDivisors(n=Const(value=83353), var='d', expr=EulerPhi(n=Var(name='d'))), "Q": Mod(value=Sub(Const(8100), Ref("x")), modulus=Const(93518)), }, goal=Ref("Q"), ) ]
NT
COMB
COMPUTE
sympy
K3
[ "K3" ]
54c41e
antilemma_k3_v1
null
2
0
[ "K3" ]
1
0
2026-02-08T07:27:27.435652Z
{ "verified": true, "answer": 18265, "timestamp": "2026-02-08T07:27:27.436117Z" }
cd193c
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 88, "completion_tokens": 1133 }, "timestamp": "2026-02-13T10:24:57.007Z", "answer": 18265 }, {...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "K3", "status": "ok" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -5.55, "mid": -3.01, "hi": 0.32 }
004776
nt_gcd_compute_v1_168721529_408
Let $m=53361$. Let $N$ be the number of integers $t$ for which there exist integers $a$ and $b$ such that $1\le a\le6$, $1\le b\le10$, $14\le t\le76$, and $$t=7a+3b+4.$$ Let $n_1$ be the greatest prime number $n$ such that $$n\ge A\quad\text{and}\quad n\le N,$$ where $A$ is the number of positive integers $p$ for whi...
86,757
graphs = [ Graph( let={ "_m": Const(53361), "_n": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=6)), Geq(left=V...
NT
null
COMPUTE
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS/MAX_PRIME_BELOW/OMEGA_ONE", "LIN_FORM/MAX_PRIME_BELOW/OMEGA_ONE", "COPRIME_PAIRS/DIVISOR_PARITY" ]
6a6a7f
nt_gcd_compute_v1
null
7
2
[ "COPRIME_PAIRS", "DIVISOR_PARITY", "LIN_FORM", "MAX_PRIME_BELOW", "OMEGA_ONE" ]
5
0.008
2026-02-08T13:02:30.609757Z
{ "verified": true, "answer": 86757, "timestamp": "2026-02-08T13:02:30.617528Z" }
440ce1
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 409, "completion_tokens": 2902 }, "timestamp": "2026-02-09T04:42:21.554Z", "answer": 86757 }, { "...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "DIVISOR_PARITY", "status": "ok_later" }, { "lemma": "K14", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "MAX_PRIME_BELOW", ...
{ "lo": 1.49, "mid": 4.54, "hi": 7.77 }
64847f
comb_count_surjections_v1_865884756_6367
Let $n = 8$ and $k = 4$. Compute $k! \cdot S(n, k)$, where $S(n, k)$ denotes the Stirling number of the second kind. Let $R$ be the absolute value of this result. Let $T$ be the set of all ordered pairs $(x_1, x_2)$ of positive odd integers such that $x_1 + x_2 = 4$. Compute the number of elements in $T$. Let $d_i$ d...
43,448
graphs = [ Graph( let={ "n": Const(8), "k": Const(4), "result": Mul(Factorial(Ref("k")), Stirling2(n=Ref(name='n'), k=Ref(name='k'))), "Q": Sum(Summation(var="i", start=Const(0), end=Sub(NumDigits(x=Abs(arg=Ref(name='result')), base=None), Const(1)), expr=Mul(...
COMB
null
COUNT
sympy
COMB1
[ "COMB1" ]
43779f
comb_count_surjections_v1
digits_weighted_mod
6
0
[ "COMB1" ]
1
0.004
2026-02-08T19:10:04.958318Z
{ "verified": true, "answer": 43448, "timestamp": "2026-02-08T19:10:04.962597Z" }
127f1d
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 228, "completion_tokens": 2566 }, "timestamp": "2026-02-18T21:27:31.610Z", "answer": 43448 }, ...
1
[ { "lemma": "COMB1", "status": "ok" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status...
{ "lo": -5.39, "mid": -2.64, "hi": 0.63 }
43bac8
nt_count_divisible_and_v1_655260480_2139
Let $d_1$ be the maximum value of $xy$ over all ordered pairs $(x, y)$ of positive integers such that $x + y = 6$. Let $d_2 = 12$. Compute the number of positive integers $n$ such that $1 \leq n \leq 91296$, $d_1$ divides $n$, and $d_2$ divides $n$. Let $Q$ be the remainder when $60552$ times this count is divided by $...
71,847
graphs = [ Graph( let={ "upper": Const(91296), "d1": MaxOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Sum(Var("x"), Var("y")), Const(6)))), expr=Mul(Var("x"), Var("y")))...
NT
null
COUNT
sympy
B1
[ "B1" ]
5b950e
nt_count_divisible_and_v1
null
3
0
[ "B1" ]
1
3.796
2026-02-08T16:35:01.173572Z
{ "verified": true, "answer": 71847, "timestamp": "2026-02-08T16:35:04.969799Z" }
aff2d9
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 159, "completion_tokens": 974 }, "timestamp": "2026-02-17T07:06:21.000Z", "answer": 71847 }, {...
1
[ { "lemma": "B1", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V1", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
51b71c_l
comb_factorial_compute_v1_717093673_819
Let $n_1 = 0$ and $n_2 = 0$. Define $$ e = \sum_{k=0}^{n_2} (-1)^k \binom{n_2}{k} $$ and $$ w = \sum_{k_1 = \sum_{k_2=0}^{5} (-1)^{k_2} \binom{5}{k_2}}^{n_1} (-1)^{k_1} \binom{n_1}{k_1}. $$ Let $n = 7 \cdot e \cdot w$. Compute $n!$.
1
COMB
null
COMPUTE
sympy
BINOMIAL_ALTERNATING
[ "BINOMIAL_ALTERNATING" ]
c21569
comb_factorial_compute_v1
null
2
2
[ "BINOMIAL_ALTERNATING" ]
1
0.003
2026-02-08T15:42:09.008436Z
{ "verified": false, "answer": 5040, "timestamp": "2026-02-08T15:42:09.011151Z" }
eea92b
51b71c
legacy_text
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 250, "completion_tokens": 560 }, "timestamp": "2026-02-24T18:25:15.374Z", "answer": 5040 }, { "i...
1
[ { "lemma": "BINOMIAL_ALTERNATING", "status": "ok" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "st...
{ "lo": -4.1, "mid": -1.76, "hi": 1.3 }
5ffa1f
comb_catalan_compute_v1_1520064083_9181
Let $n$ be the number of integers $t$ such that $20 \leq t \leq 32$ and there exist integers $a$ and $b$ with $1 \leq a \leq 4$, $1 \leq b \leq 3$, and $t = 2a + 3b + 15$. Let $Q$ be the remainder when $70178$ times the $n$th Catalan number is divided by $80625$. Compute $Q$.
63,908
graphs = [ Graph( let={ "_n": Const(80625), "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=Va...
COMB
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
comb_catalan_compute_v1
null
4
0
[ "LIN_FORM" ]
1
0.002
2026-02-08T10:35:14.723516Z
{ "verified": true, "answer": 63908, "timestamp": "2026-02-08T10:35:14.725035Z" }
40af02
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 219, "completion_tokens": 2944 }, "timestamp": "2026-02-24T12:07:43.094Z", "answer": 63908 }, { "...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8_SUM", "status": "no" ...
{ "lo": -2.35, "mid": 1.22, "hi": 4.84 }
04ac9b
nt_min_with_divisor_count_v1_458359167_2896
Let $ n $ be a positive integer such that $ 1 \leq n \leq 45369 $ and the number of positive divisors of $ n $ is exactly 10. Determine the value of the smallest such $ n $.
48
graphs = [ Graph( let={ "upper": Const(45369), "div_count": Const(10), "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"))))), }, goal=Ref("re...
NT
null
EXTREMUM
sympy
K3
[ "K3" ]
54c41e
nt_min_with_divisor_count_v1
null
4
0
[ "K3" ]
1
2.226
2026-02-08T06:49:33.756027Z
{ "verified": true, "answer": 48, "timestamp": "2026-02-08T06:49:35.981681Z" }
dd3fcc
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 107, "completion_tokens": 841 }, "timestamp": "2026-02-15T17:47:44.917Z", "answer": 45328 }, { "id": 11...
1
[ { "lemma": "K13", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "K3", "status": "ok" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" } ]
{ "lo": -7.01, "mid": -4.68, "hi": -2.15 }
458592
comb_bell_compute_v1_1431428450_920
Let $n$ be the number of integers $t$ such that there exist integers $a$ and $b$ with $1 \le a \le 3$, $1 \le b \le 3$, $5 \le t \le 15$, and $t = 2a + 3b$. Define $r = B_n$, the $n$th Bell number. Compute the remainder when $74732 \cdot r$ is divided by $92583$.
58,377
graphs = [ Graph( let={ "n": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=3)), Geq(left=Var(name='b'), right=Const(value=1...
COMB
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
comb_bell_compute_v1
null
4
0
[ "LIN_FORM" ]
1
0.003
2026-02-08T13:47:09.017013Z
{ "verified": true, "answer": 58377, "timestamp": "2026-02-08T13:47:09.019738Z" }
74662e
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 211, "completion_tokens": 32768 }, "timestamp": "2026-02-24T19:06:42.904Z", "answer": 39964 }, { ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V8", "sta...
{ "lo": 3.25, "mid": 5.68, "hi": 8.81 }
cceb52
geo_count_lattice_rect_v1_784195855_5004
Let $a = 64$ and $b = 101$. Define $R$ as the rectangle with vertices at $(0,0)$, $(a,0)$, $(0,b)$, and $(a,b)$. Let $L$ be the number of lattice points (points with integer coordinates) inside or on the boundary of $R$. Find the remainder when $87991 \cdot L$ is divided by $89154$.
45,708
graphs = [ Graph( let={ "a": Const(64), "b": Const(101), "result": LatticePointsRect(a=Ref(name='a'), b=Ref(name='b')), "Q": Mod(value=Mul(Const(87991), Ref("result")), modulus=Const(89154)), }, goal=Ref("Q"), ) ]
GEOM
null
COUNT
sympy
[]
geo_count_lattice_rect_v1
null
2
0
null
null
0.002
2026-02-08T07:32:54.532917Z
{ "verified": true, "answer": 45708, "timestamp": "2026-02-08T07:32:54.534788Z" }
79141d
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 1, "correct": { "strict": false, "boxed": false, "relaxed": true }, "usage": { "prompt_tokens": 201, "completion_tokens": 32768 }, "timestamp": "2026-02-24T08:19:45.541Z", "answer": null }, { ...
1
[]
{ "lo": 1.15, "mid": 4.18, "hi": 6.61 }
84fa7f_l
modular_product_range_v1_1248542787_159
Let $n = 90$. Let $S$ be the set of all positive integers $k$ such that $1 \leq k \leq 200244$ and $444$ divides $k$. Let $P$ be the product of all integers from $n$ to $|S|$, inclusive. Compute the remainder when $P$ is divided by $11827$.
1
ALG
NT
COMPUTE
sympy
C2
[ "C2" ]
9685eb
modular_product_range_v1
null
5
0
[ "C2" ]
1
0.004
2026-02-08T02:58:39.053524Z
{ "verified": false, "answer": 5620, "timestamp": "2026-02-08T02:58:39.057516Z" }
ccb2d2
84fa7f
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": 190, "completion_tokens": 32768 }, "timestamp": "2026-02-23T21:17:58.845Z", "answer": null }, { ...
0
[ { "lemma": "C2", "status": "ok" }, { "lemma": "K18", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "V7", "status": "no" } ]
{ "lo": 4.62, "mid": 6.54, "hi": 9.53 }
9855b7
comb_sum_binomial_mod_v1_1353956133_425
Let $T$ be the set of all ordered pairs $(x, y)$ of positive integers such that $x + y = 10$. Define $m = \max_{(x,y) \in T} xy$. Compute the remainder when $$\sum_{k=m}^{62} \binom{89}{k}$$ is divided by $11927$. Let this remainder be $r$. Find the remainder when $35457 \cdot r$ is divided by $57184$.
29,673
graphs = [ Graph( let={ "_n": Const(10), "sum": Summation(var="k", start=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...
ALG
COMB
COMPUTE
sympy
B1
[ "B1" ]
5b950e
comb_sum_binomial_mod_v1
null
5
0
[ "B1" ]
1
0.009
2026-02-08T11:26:42.741558Z
{ "verified": true, "answer": 29673, "timestamp": "2026-02-08T11:26:42.750795Z" }
033a03
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 211, "completion_tokens": 32768 }, "timestamp": "2026-02-24T13:48:19.061Z", "answer": null }, { ...
1
[ { "lemma": "B1", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": 3.25, "mid": 5.68, "hi": 8.81 }
0c84c9
antilemma_sum_equals_v1_2051736721_6180
Let $x$ be the number of ordered pairs $(i, j)$ of positive integers such that $i + j = 46$, $1 \leq i \leq 44$, and $1 \leq j \leq 45$. Compute the remainder when $44121 \cdot x$ is divided by $51517$.
35,195
graphs = [ Graph( let={ "_n": Const(46), "x": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=Eq(Sum(Var("i"), Var("j")), Ref("_n")), domain=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(44)), right=IntegerRange(start=Const(1), end=Con...
COMB
GEOM
COMPUTE
sympy
COMB1
[ "COUNT_SUM_EQUALS" ]
75ab0f
antilemma_sum_equals_v1
null
3
0
[ "COMB1", "COUNT_SUM_EQUALS" ]
2
0.057
2026-02-08T18:58:33.372425Z
{ "verified": true, "answer": 35195, "timestamp": "2026-02-08T18:58:33.429320Z" }
90c13f
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": 1331 }, "timestamp": "2026-02-18T21:01:56.314Z", "answer": 35195 }, ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status":...
{ "lo": -3.12, "mid": 1.47, "hi": 6.57 }
084523
antilemma_k3_v1_153355830_927
Let $n = 95209$. Compute the sum of $\varphi(d)$ over all positive divisors $d$ of $n$, where $\varphi$ denotes Euler's totient function.
95,209
graphs = [ Graph( let={ "x": SumOverDivisors(n=Const(value=95209), var='d', expr=EulerPhi(n=Var(name='d'))), }, goal=Ref("x"), ) ]
NT
COMB
COMPUTE
sympy
K3
[ "K3" ]
54c41e
antilemma_k3_v1
null
3
0
[ "K3" ]
1
0
2026-02-08T04:15:25.230105Z
{ "verified": true, "answer": 95209, "timestamp": "2026-02-08T04:15:25.230536Z" }
cccfc7
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 151, "completion_tokens": 502 }, "timestamp": "2026-02-10T16:08:22.235Z", "answer": 95209 }, { "...
1
[ { "lemma": "K18", "status": "no" }, { "lemma": "K3", "status": "ok" }, { "lemma": "K5", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "V5", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -5.92, "mid": -3.14, "hi": 0.27 }
9b4161
alg_poly_orbit_hensel_v1_1218484723_50
Define $N = (2a^3 - 4a) \bmod 5329$, $M = (2N^3 - 4N) \bmod 5329$, $R = (2M^3 - 4M) \bmod 5329$, and $S = (2R^3 - 4R) \bmod 5329$. Find the number of non-negative integers $a$ with $0 \le a \le 10125099$ such that $S = a$, $N \ne a$, $M \ne a$, and $R \ne a$.
7,600
graphs = [ Graph( let={ "p1": Mod(value=Sum(Mul(Const(2), Pow(Var("a"), Const(3))), Mul(Const(-4), Var("a"))), modulus=Const(5329)), "p2": Mod(value=Sum(Mul(Const(2), Pow(Ref("p1"), Const(3))), Mul(Const(-4), Ref("p1"))), modulus=Const(5329)), "p3": Mod(value=Sum(Mul(Cons...
ALG
null
COUNT
sympy
POLY_ORBIT_COUNT
[ "POLY_ORBIT_COUNT" ]
4ad965
alg_poly_orbit_hensel_v1
null
6
null
[ "POLY_ORBIT_COUNT" ]
1
0.039
2026-02-25T01:44:37.866225Z
{ "verified": true, "answer": 7600, "timestamp": "2026-02-25T01:44:37.905454Z" }
6eb556
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": 32768 }, "timestamp": "2026-03-10T08:26:19.895Z", "answer": null }, { ...
1
[ { "lemma": "POLY_ORBIT_COUNT", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": 4.77, "mid": 6.8, "hi": 9.83 }
27450e
nt_count_digit_sum_v1_48377204_1970
Let $A$ be the number of integers $t$ such that $9 \leq t \leq 10013$ and there exist positive integers $a$, $b$ with $1 \leq a \leq 633$, $1 \leq b \leq 2791$, and $t = 7a + 2b$. Let $B$ be the number of nonnegative integers $j$ such that $0 \leq j \leq 581$ and $\binom{C}{j}$ is odd, where $C$ is the number of intege...
15,655
graphs = [ Graph( let={ "_n": Const(2), "upper": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=633)), Geq(left=...
ALG
COMB
COUNT
sympy
LIN_FORM
[ "LIN_FORM/V8" ]
654a7e
nt_count_digit_sum_v1
null
6
0
[ "LIN_FORM", "V8" ]
2
0.411
2026-02-08T16:32:01.716503Z
{ "verified": true, "answer": 15655, "timestamp": "2026-02-08T16:32:02.127500Z" }
508f6a
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 286, "completion_tokens": 5056 }, "timestamp": "2026-02-17T06:24:13.697Z", "answer": 15655 }, ...
1
[ { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V8", "status": "ok_later" } ]
{ "lo": -2.38, "mid": 1.74, "hi": 6.59 }
979448
comb_count_derangements_v1_153355830_2366
Let $n$ be the smallest divisor of $77077$ that is at least $2$. Compute $71289 - !n$, where $!n$ denotes the number of derangements of $n$ objects.
69,435
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(77077))))), "result": Subfactorial(arg=Ref(name='n')), "Q": Sub(Const(71289), Ref("result"))...
NT
COMB
COUNT
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR" ]
bc3776
comb_count_derangements_v1
null
4
0
[ "MIN_PRIME_FACTOR" ]
1
0.001
2026-02-08T07:05:01.025241Z
{ "verified": true, "answer": 69435, "timestamp": "2026-02-08T07:05:01.026165Z" }
c94358
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 92, "completion_tokens": 903 }, "timestamp": "2026-02-13T07:43:44.338Z", "answer": 69435 }, { ...
1
[ { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V5", "status": "n...
{ "lo": -5.55, "mid": -3.01, "hi": 0.32 }
02a8ba
nt_count_divisible_and_v1_677425708_1213
Let $d_1 = 4$ and $d_2 = \sum_{k=1}^{3} k$. Let $S$ be the set of all positive integers $n$ such that $n \leq 44064$, $n$ is divisible by $d_1$, and $n$ is divisible by $d_2$. Compute the number of elements in $S$.
3,672
graphs = [ Graph( let={ "upper": Const(44064), "d1": Const(4), "d2": Summation(var="k", start=Const(1), end=Const(3), expr=Var("k")), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("upper")), Eq(M...
NT
null
COUNT
sympy
SUM_ARITHMETIC
[ "SUM_ARITHMETIC" ]
eb34f0
nt_count_divisible_and_v1
null
3
0
[ "SUM_ARITHMETIC" ]
1
1.521
2026-02-08T04:02:12.285084Z
{ "verified": true, "answer": 3672, "timestamp": "2026-02-08T04:02:13.806150Z" }
aa83d6
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": 669 }, "timestamp": "2026-02-09T17:05:47.897Z", "answer": 3672 }, { "id...
2
[ { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "SUM_ARITHMETIC", "status": "ok" }, { "lemma": "V5", "status":...
{ "lo": -9.14, "mid": -6.05, "hi": -3.74 }
4cf969_l
comb_count_permutations_fixed_v1_124444284_3001
Let $m = 41327$. Let $d_0$ be the smallest positive divisor of $m$ that is at least the number of positive integers $p$ for which there exists a positive integer $q$ such that $p \cdot q = 72$, $\gcd(p, q) = 1$, and $p < q$. Let $n = d_0$ and let $k = 6$. Compute the value of $$ \binom{n}{k} \cdot !(n - k), $$ where $!...
0
NT
COMB
COUNT
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS/MIN_PRIME_FACTOR" ]
52cee2
comb_count_permutations_fixed_v1
null
6
0
[ "COPRIME_PAIRS", "MIN_PRIME_FACTOR" ]
2
0.003
2026-02-08T05:08:26.010531Z
{ "verified": false, "answer": 20328, "timestamp": "2026-02-08T05:08:26.013782Z" }
5ad126
4cf969
legacy_text
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 242, "completion_tokens": 1751 }, "timestamp": "2026-02-11T22:53:09.553Z", "answer": 20328 }, { ...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "L3b", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok_later" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V1", "stat...
{ "lo": -3.42, "mid": 1.86, "hi": 7.55 }
f0020b
diophantine_fbi2_min_v1_458359167_3279
Let $n = 12$ and $k = 26$. Consider the set of all ordered pairs $(x, y)$ of positive integers such that $x + y = n$. Let $P$ be the set of all values of $xy$ as $(x, y)$ ranges over this set. Let $u$ be the maximum value in $P$. Now consider the set of all integers $d$ such that $2 \leq d \leq u$, $d$ divides $k$, and...
2
graphs = [ Graph( let={ "_n": Const(12), "k": Const(26), "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")))), exp...
NT
null
EXTREMUM
sympy
B1
[ "B1" ]
5b950e
diophantine_fbi2_min_v1
null
3
0
[ "B1" ]
1
0.011
2026-02-08T08:15:25.446183Z
{ "verified": true, "answer": 2, "timestamp": "2026-02-08T08:15:25.456722Z" }
739f64
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 1, "correct": { "strict": false, "boxed": false, "relaxed": true }, "usage": { "prompt_tokens": 183, "completion_tokens": 345 }, "timestamp": "2026-02-15T19:45:50.408Z", "answer": 13 }, { "id": 11, ...
1
[ { "lemma": "B1", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -9.14, "mid": -6.05, "hi": -3.73 }
e4cb75
nt_min_crt_v1_971394319_486
Let $m = 9$, $k = 11$, and $a = 7$. Consider the set of all ordered pairs $(x, y)$ of positive integers such that $x + y = 6$. Let $P$ be the set of all values $xy$ for such pairs. Define $b$ to be the maximum value in $P$. Determine the value of the smallest positive integer $n$ such that $1 \leq n \leq 99$, $n \equiv...
97
graphs = [ Graph( let={ "m": Const(9), "k": Const(11), "a": Const(7), "b": 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"...
NT
null
EXTREMUM
sympy
MIN_PRIME_FACTOR
[ "B1" ]
5b950e
nt_min_crt_v1
null
5
0
[ "B1", "MIN_PRIME_FACTOR" ]
2
0.243
2026-02-08T13:07:06.997192Z
{ "verified": true, "answer": 97, "timestamp": "2026-02-08T13:07:07.240207Z" }
1fbca6
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 166, "completion_tokens": 622 }, "timestamp": "2026-02-15T09:46:07.736Z", "answer": 97 }, { ...
1
[ { "lemma": "B1", "status": "ok" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" } ]
{ "lo": -6.96, "mid": -4.56, "hi": -1.46 }
642b1d
comb_count_surjections_v1_1742523217_4380
Let $n$ be the number of elements in the Cartesian product $\{1, 2\} \times \{1, 2, 3\}$. Let $k = 6$. Let $r = k! \cdot S(n, k)$, where $S(n, k)$ denotes the Stirling number of the second kind. Let $m = |r| + 2$. The Fibonacci entry point modulo $m$ is defined as the smallest positive integer $t$ such that the $t$th F...
342
graphs = [ Graph( let={ "n": CountOverSet(set=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(2)), right=IntegerRange(start=Const(1), end=Const(3)))), "k": Const(6), "result": Mul(Factorial(Ref("k")), Stirling2(n=Ref(name='n'), k=Ref(name='k'))), ...
COMB
NT
COUNT
sympy
COUNT_CARTESIAN
[ "COUNT_CARTESIAN" ]
409d7d
comb_count_surjections_v1
null
5
0
[ "COUNT_CARTESIAN" ]
1
0.002
2026-02-08T07:14:02.757539Z
{ "verified": true, "answer": 342, "timestamp": "2026-02-08T07:14:02.759870Z" }
d96207
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 242, "completion_tokens": 4398 }, "timestamp": "2026-02-24T07:47:45.243Z", "answer": 342 }, { "id...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "ok" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -2.35, "mid": 1.22, "hi": 4.84 }
d48620
comb_count_partitions_v1_971394319_11
Let $S$ be the set of all integers $t$ such that $17 \leq t \leq 65$ and there exist positive integers $a$ and $b$ with $1 \leq a \leq 11$, $1 \leq b \leq 5$, and $t = 2a + 7b + 8$. Let $n$ be the number of elements in $S$. Compute the number of integer partitions of $n$.
63,261
graphs = [ Graph( let={ "n": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=11)), Geq(left=Var(name='b'), right=Const(value=...
COMB
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
comb_count_partitions_v1
null
4
0
[ "LIN_FORM" ]
1
0.004
2026-02-08T12:48:02.888415Z
{ "verified": true, "answer": 63261, "timestamp": "2026-02-08T12:48:02.892244Z" }
230731
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 212, "completion_tokens": 4084 }, "timestamp": "2026-02-24T16:24:05.670Z", "answer": 63261 }, { "...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "st...
{ "lo": -2.35, "mid": 1.22, "hi": 4.84 }
22aeda
alg_poly4_min_v1_601307018_2446
Let $A = \left|\{ v : 41 \leq v \leq 21689,\ \text{there exist integers } a, b \text{ with } 1 \leq a, b \leq 23 \text{ such that } 41a^2 + 2b^2 - 2ab = v \}\right|$. Find the minimum value of $69248 \cdot a^4$ over all ordered pairs $(a, b)$ of positive integers with $1 \leq a \leq A$ and $1 \leq b \leq 402$.
69,248
graphs = [ Graph( let={ "_n": Const(402), "result": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), CountOverSet(set=SolutionsSet(var=Var("v"), condition=And(Geq(Var("v"), Const(41)), Leq(Var("v...
ALG
null
COMPUTE
sympy
QF_PSD_DISTINCT
[ "QF_PSD_DISTINCT" ]
a8f9cb
alg_poly4_min_v1
null
6
0
[ "QF_PSD_DISTINCT" ]
1
0.268
2026-03-10T03:11:04.343581Z
{ "verified": true, "answer": 69248, "timestamp": "2026-03-10T03:11:04.611323Z" }
9fa117
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": 889 }, "timestamp": "2026-03-29T05:21:48.441Z", "answer": 69248 }, { "i...
2
[ { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "QF_PSD_DISTINCT", "status": "ok" } ]
{ "lo": -10, "mid": -6.41, "hi": -2.82 }
c98680
nt_count_with_divisor_count_v1_1874849503_1274
Let $N$ be the smallest divisor of $31603$ that is greater than or equal to $2$. Determine the number of positive integers $n$ such that $1 \leq n \leq 14400$ and the number of positive divisors of $n$ is exactly $N$. Let $Q$ be the smallest positive integer $k$ such that the $k$-th Fibonacci number is divisible by $|\...
4
graphs = [ Graph( let={ "upper": Const(14400), "div_count": MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(2)), Divides(divisor=Var("d"), dividend=Const(31603))))), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n...
NT
null
COUNT
sympy
LTE_DIFF
[ "MIN_PRIME_FACTOR" ]
bc3776
nt_count_with_divisor_count_v1
null
5
0
[ "LTE_DIFF", "MIN_PRIME_FACTOR" ]
2
5.844
2026-02-08T13:44:02.831665Z
{ "verified": true, "answer": 4, "timestamp": "2026-02-08T13:44:08.676136Z" }
c97ee9
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": 1496 }, "timestamp": "2026-02-10T03:01:59.885Z", "answer": 4 }, { "id":...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "MOD_ADD", "status": "no" } ]
{ "lo": -5.49, "mid": 0.03, "hi": 6.12 }
a88603
nt_count_coprime_v1_1742523217_999
Let $k = 10$. Determine the number of positive integers $n$ such that $1 \leq n \leq 27720$ and $\gcd(n, k) = \sum_{d \mid \gcd(12,25)} \mu(d)$, where $\mu$ denotes the M\"obius function. Compute this number.
11,088
graphs = [ Graph( let={ "upper": Const(27720), "k": Const(10), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("upper")), Eq(GCD(a=Var("n"), b=Ref("k")), SumOverDivisors(n=GCD(a=Const(value=12), b=Const(value=...
NT
null
COUNT
sympy
MOBIUS_COPRIME
[ "MOBIUS_COPRIME" ]
ac54ac
nt_count_coprime_v1
null
4
0
[ "MOBIUS_COPRIME" ]
1
2.127
2026-02-08T03:22:55.200437Z
{ "verified": true, "answer": 11088, "timestamp": "2026-02-08T03:22:57.327394Z" }
05b7d0
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 185, "completion_tokens": 1230 }, "timestamp": "2026-02-10T01:47:42.066Z", "answer": 11088 }, { "...
1
[ { "lemma": "K13", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOBIUS_COPRIME", "status": "ok" }, { "lemma": "V1", "status": "no" } ]
{ "lo": -6.51, "mid": -0.31, "hi": 5.43 }
dba581
nt_min_coprime_above_v1_1526740231_137
Let $S$ be the set of all ordered pairs of positive integers $(x, y)$ such that $x + y = 68$. Let $P$ be the set of all products $xy$ for $(x, y) \in S$. Let $\text{start}$ be the maximum value in $P$. Let $\text{result}$ be the smallest integer $n$ such that $\text{start} < n \leq 1508$ and $\gcd(n, 342) = 1$. Determi...
1,157
graphs = [ Graph( let={ "_n": Const(68), "start": 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
B1
[ "B1" ]
5b950e
nt_min_coprime_above_v1
null
5
0
[ "B1" ]
1
0.03
2026-02-08T11:22:02.851696Z
{ "verified": true, "answer": 1157, "timestamp": "2026-02-08T11:22:02.882186Z" }
a2a57a
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": 642 }, "timestamp": "2026-02-14T12:47:12.293Z", "answer": 1157 }, { ...
1
[ { "lemma": "B1", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "V3", "status": "no" }, { "lemma": "V7", "status": "no" } ]
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
d0303e
geo_count_lattice_rect_v1_124444284_2424
Let $a = 25$ and $b = 77$. Let $R$ be the number of lattice points $(x, y)$ such that $0 \leq x \leq a$ and $0 \leq y \leq b$. Compute $\sum_{n=1}^{|R|} \tau(n)$, where $\tau(n)$ denotes the number of positive divisors of $n$.
15,767
graphs = [ Graph( let={ "a": Const(25), "b": Const(77), "result": LatticePointsRect(a=Ref(name='a'), b=Ref(name='b')), "Q": Summation(var="n", start=Const(1), end=Abs(arg=Ref(name='result')), expr=NumDivisors(n=Var("n"))), }, goal=Ref("Q"), ...
GEOM
NT
COUNT
sympy
IDENTITY_POW_ZERO
[ "IDENTITY_POW_ZERO" ]
bf46af
geo_count_lattice_rect_v1
null
4
0
[ "IDENTITY_POW_ZERO" ]
1
0.001
2026-02-08T04:39:16.759802Z
{ "verified": true, "answer": 15767, "timestamp": "2026-02-08T04:39:16.761111Z" }
6ebe53
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 197, "completion_tokens": 8246 }, "timestamp": "2026-02-24T01:29:29.289Z", "answer": 15767 }, { "...
1
[ { "lemma": "IDENTITY_POW_ZERO", "status": "ok" } ]
{ "lo": 1.97, "mid": 4.36, "hi": 6.69 }
a9ba71
nt_num_divisors_compute_v1_1520064083_3251
Let $n$ be the number of integers $t$ such that $7 \leq t \leq 1607$ and there exist positive integers $a$ and $b$ with $1 \leq a \leq 243$, $1 \leq b \leq 196$, and $t = 5a + 2b$. Compute the number of positive divisors of $n$.
2
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=243)), Geq(left=Var(name='b'), right=Const(value...
NT
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
nt_num_divisors_compute_v1
null
6
0
[ "LIN_FORM" ]
1
0.001
2026-02-08T05:32:01.942170Z
{ "verified": true, "answer": 2, "timestamp": "2026-02-08T05:32:01.943612Z" }
16b834
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 127, "completion_tokens": 5315 }, "timestamp": "2026-02-12T10:23:29.059Z", "answer": 2 }, { ...
1
[ { "lemma": "K13", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -3.51, "mid": 1.33, "hi": 6.56 }
ba372f
nt_gcd_compute_v1_124444284_1281
Let $n_0=17$. Let $n_1=1$ and let $h$ be the number of distinct prime factors of $n_1$. Let $N=24017$. For each ordered pair $(x,y)$ of positive integers such that $xy=289$, consider the sum $x+y$. Let $M$ be the minimum of all such values of $x+y$ as $(x,y)$ ranges over these ordered pairs. Let $T$ be the set of all...
89,240
graphs = [ Graph( let={ "_n": Const(17), "n1": Const(1), "h": SmallOmega(n=Ref(name='n1')), "n": Const(24017), "f": Pow(MoebiusMu(n=Ref(name='n')), CountOverSet(set=SolutionsSet(var=Var("k"), condition=And(Geq(Var("k"), Const(1)), Leq(Var("k"), Min...
NT
null
COMPUTE
sympy
B3
[ "B3/C2/MOBIUS_SQUAREFREE", "OMEGA_ZERO" ]
3945ac
nt_gcd_compute_v1
null
6
2
[ "B3", "C2", "MOBIUS_SQUAREFREE", "OMEGA_ZERO" ]
4
0.003
2026-02-08T03:48:25.793802Z
{ "verified": true, "answer": 89240, "timestamp": "2026-02-08T03:48:25.796473Z" }
073774
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 321, "completion_tokens": 864 }, "timestamp": "2026-02-10T05:32:27.495Z", "answer": 89240 }, { "i...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "C2", "status": "ok_later" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "MOBIUS_SQUAREFREE", "status": "ok_la...
{ "lo": -6.51, "mid": -0.31, "hi": 5.43 }
4d97ef
nt_count_divisible_v1_1874849503_159
Let $n$ be a positive integer such that $1 \leq n \leq 56169$. Define $S$ to be the set of all such integers $n$ satisfying $$ n \equiv \sum_{k=0}^{4} (-1)^k \binom{4}{k} \pmod{2}. $$ Let $c = 35391$. Compute the remainder when $c$ multiplied by the number of elements in $S$ is divided by $65192$.
3,612
graphs = [ Graph( let={ "upper": Const(56169), "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
3
0
[ "BINOMIAL_ALTERNATING" ]
1
1.828
2026-02-08T12:50:29.750497Z
{ "verified": true, "answer": 3612, "timestamp": "2026-02-08T12:50:31.578309Z" }
c2a289
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 217, "completion_tokens": 2070 }, "timestamp": "2026-02-24T16:34:28.344Z", "answer": 3612 }, { "i...
1
[ { "lemma": "BINOMIAL_ALTERNATING", "status": "ok" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8",...
{ "lo": -2.35, "mid": 1.22, "hi": 4.84 }
54b059
comb_count_derangements_v1_1431428450_614
Let $m$ be the sum of all nonnegative integers $j \le 30$ for which $\binom{30}{j}$ is odd. Let $n$ be the number of positive integers $k \le m$ such that $20$ divides the $k$-th Fibonacci number. Compute the subfactorial of $n$, denoted $!n$, which is the number of derangements of $n$ elements.
14,833
graphs = [ Graph( let={ "_m": Const(20), "_n": SumOverSet(set=SolutionsSet(var=Var("j"), condition=And(Geq(Var("j"), Const(0)), Leq(Var("j"), Const(30)), Eq(Mod(value=Binom(n=Const(30), k=Var("j")), modulus=Const(2)), Const(1))), domain='nonnegative_integers')), "n": Coun...
NT
COMB
COUNT
sympy
V8
[ "V8/COUNT_FIB_DIVISIBLE" ]
427a73
comb_count_derangements_v1
null
6
0
[ "COUNT_FIB_DIVISIBLE", "V8" ]
2
0.003
2026-02-08T13:33:47.476865Z
{ "verified": true, "answer": 14833, "timestamp": "2026-02-08T13:33:47.479659Z" }
d5ddc3
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 135, "completion_tokens": 4059 }, "timestamp": "2026-02-15T18:07:29.273Z", "answer": 14833 }, ...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "ok_later" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "V3", "status": "no...
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
64c386
antilemma_count_primes_v1_124444284_666
Let $S$ be the set of all pairs $(p, q)$ of positive integers such that $pq = 36$, $\gcd(p, q) = 1$, and $p < q$. Let $N$ be the number of elements in $S$. Determine the number of prime numbers $n$ such that $N \leq n \leq 1439$.
228
graphs = [ Graph( let={ "_n": Const(1439), "x": CountOverSet(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'), Var(name...
NT
null
COMPUTE
sympy
MAX_PRIME_BELOW
[ "COPRIME_PAIRS/COUNT_PRIMES", "COUNT_PRIMES" ]
e28c42
antilemma_count_primes_v1
null
4
0
[ "COPRIME_PAIRS", "COUNT_PRIMES", "MAX_PRIME_BELOW" ]
3
0.007
2026-02-08T03:26:36.303514Z
{ "verified": true, "answer": 228, "timestamp": "2026-02-08T03:26:36.310542Z" }
cf76c8
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 194, "completion_tokens": 6543 }, "timestamp": "2026-02-09T04:41:13.368Z", "answer": 228 }, { "i...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "ok" }, { "lemma": "K17", "status": "no" }, { "lemma": "LTE_DIFF",...
{ "lo": -6.49, "mid": 0.51, "hi": 7.52 }
350763
nt_max_prime_below_v1_1918700295_2621
Let $T$ be the set of all positive integers $t$ such that $10 \leq t \leq 243$ and there exist positive integers $a \leq 12$ and $b \leq 53$ satisfying $t = 7a + 3b$. Let $k$ be the number of positive integers in $T$ that are divisible by $111$. Let $S$ be the set of all prime numbers $n$ such that $k \leq n \leq 63504...
63,499
graphs = [ Graph( let={ "upper": Const(63504), "result": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), CountOverSet(set=SolutionsSet(var=Var("k"), condition=And(Geq(Var("k"), Const(1)), Leq(Var("k"), CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists...
NT
null
EXTREMUM
sympy
LIN_FORM
[ "LIN_FORM/C2" ]
03e7fc
nt_max_prime_below_v1
null
7
0
[ "C2", "LIN_FORM" ]
2
3.424
2026-02-08T08:08:09.633381Z
{ "verified": true, "answer": 63499, "timestamp": "2026-02-08T08:08:13.057050Z" }
40c43e
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 161, "completion_tokens": 3530 }, "timestamp": "2026-02-13T14:59:20.422Z", "answer": 63499 }, ...
1
[ { "lemma": "C2", "status": "ok_later" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "V5", "status": "no" }, ...
{ "lo": -3.51, "mid": 1.33, "hi": 6.56 }
12c059
alg_sum_powers_v1_1218484723_2790
Find the remainder when $\sum_{k=1}^{380} k^2$ is divided by $\min\{ x + y \mid x > 0, y > 0,\ xy = 9765625 \}$.
430
graphs = [ Graph( let={ "_n": Const(2), "result": Mod(value=Summation(var="k", start=Const(1), end=Const(380), expr=Pow(Var("k"), Ref("_n"))), modulus=MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsP...
ALG
null
COMPUTE
sympy
B3
[ "B3" ]
0cd20d
alg_sum_powers_v1
null
4
0
[ "B3" ]
1
0.004
2026-02-25T04:30:48.905951Z
{ "verified": true, "answer": 430, "timestamp": "2026-02-25T04:30:48.909986Z" }
4feac1
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 158, "completion_tokens": 943 }, "timestamp": "2026-03-29T06:36:46.068Z", "answer": 430 }, { "id"...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": -2.45, "mid": 1.37, "hi": 5.29 }
c7d43d
sequence_lucas_compute_v1_1915831931_1375
Let $a = \sum_{k=1}^{b} k$, where $b = \sum_{k=1}^{3} \varphi(k) \left\lfloor \frac{3}{k} \right\rfloor$. Compute the remainder when $24693$ times the $a$-th Lucas number is divided by $83765$.
21,393
graphs = [ Graph( let={ "_m": Const(3), "_n": Const(83765), "n": Summation(var="k", start=Const(1), end=Summation(var="k1", start=Const(1), end=Ref("_m"), expr=Mul(EulerPhi(n=Var("k1")), Floor(Div(Const(3), Var("k1"))))), expr=Var("k")), "result": Lucas(arg=Re...
NT
null
COMPUTE
sympy
K2
[ "K2/SUM_ARITHMETIC" ]
5a4674
sequence_lucas_compute_v1
null
4
0
[ "K2", "SUM_ARITHMETIC" ]
2
0.003
2026-02-08T16:03:26.665165Z
{ "verified": true, "answer": 21393, "timestamp": "2026-02-08T16:03:26.668605Z" }
f1f498
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 118, "completion_tokens": 1886 }, "timestamp": "2026-02-16T19:38:14.032Z", "answer": 21393 }, ...
1
[ { "lemma": "K2", "status": "ok" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "SUM_ARITHMETIC", "status": "ok_later" ...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
6447d4
alg_sum_ap_v1_1419126231_677
Let $M$ be the minimum value of $4a^2 - 20ab + 29b^2$ over positive integers $a, b$ with $1 \leq a, b \leq 14$. Let $T$ be the number of integers $t$ in $[35, 3411]$ that can be written as $t = 14a + 4b + 17$ for some integers $a, b$ with $1 \leq a \leq 117$, $1 \leq b \leq 439$. Find the remainder when $\sum_{k=0}^{15...
1,380
graphs = [ Graph( let={ "_m": Const(29), "_n": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), Const(14)), Geq(Var("b"), Const(1)), Leq(Var("b"), Const(14)))), expr=Sum(Mul(Const(-20), Var("a"),...
ALG
null
COMPUTE
sympy
QF_PSD_MIN
[ "QF_PSD_MIN/LIN_FORM" ]
8ce6bc
alg_sum_ap_v1
null
6
0
[ "LIN_FORM", "QF_PSD_MIN" ]
2
0.02
2026-02-25T10:09:18.344996Z
{ "verified": true, "answer": 1380, "timestamp": "2026-02-25T10:09:18.364888Z" }
ed9d64
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 258, "completion_tokens": 6674 }, "timestamp": "2026-03-30T09:36:44.620Z", "answer": 1380 }, { "i...
1
[ { "lemma": "LIN_FORM", "status": "ok_later" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "QF_PSD_MIN", "status": "ok" } ]
{ "lo": 1.5, "mid": 4.69, "hi": 7.23 }
a32192
alg_qf_psd_count_leq_v1_1218484723_6019
Let \[ A = \left|\left\{ v : 29 \le v \le 5684,\ \exists\ a, b \in \mathbb Z\text{ with }1 \le a \le 14,\ 1 \le b \le 14,\ 20a^{2} + 17b^{2} - 8ab = v \right\}\right| \] and \[ B = \left|\left\{ (a_1, b_1) : 1 \le a_1 \le 30,\ 1 \le b_1 \le 30,\ 12a_1^{2} b_1^{2} + 2b_1^{4} + 2a_1^{4} + 8a_1^{3} b_1 + 8a_1 b_1^{3} = 91...
17,955
graphs = [ Graph( let={ "_m": Const(8), "_n": Const(2), "result": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), CountOverSet(set=SolutionsSet(var=Var("v"), condition=And(Geq(Var("v"), Const(29)...
ALG
null
COUNT
sympy
QF_PSD_DISTINCT
[ "QF_PSD_DISTINCT", "POLY4_COUNT" ]
4583af
alg_qf_psd_count_leq_v1
null
7
0
[ "POLY4_COUNT", "QF_PSD_DISTINCT" ]
2
1.199
2026-02-25T07:37:24.206692Z
{ "verified": true, "answer": 17955, "timestamp": "2026-02-25T07:37:25.406005Z" }
087a67
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 382, "completion_tokens": 32768 }, "timestamp": "2026-03-29T23:53:04.288Z", "answer": null }, { ...
1
[ { "lemma": "POLY4_COUNT", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "QF_PSD_DISTINCT", "status": "ok" } ]
{ "lo": 1.53, "mid": 4.7, "hi": 7.23 }
e5ce1e
diophantine_fbi2_count_v1_1874849503_1564
Let $k$ be the largest positive divisor of $1609020$ that is at most $1260$. Determine the number of positive integers $d$ such that $3 \leq d \leq 57$, $d$ divides $k$, and $2 \leq \frac{k}{d} \leq 56$.
6
graphs = [ Graph( let={ "k": MaxOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(1)), Leq(Var("d"), Const(1260)), Divides(divisor=Var("d"), dividend=Const(1609020))))), "result": CountOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(3))...
NT
null
COUNT
sympy
LIN_FORM
[ "MAX_DIVISOR" ]
51757e
diophantine_fbi2_count_v1
null
4
0
[ "LIN_FORM", "MAX_DIVISOR" ]
2
1.585
2026-02-08T13:59:07.379845Z
{ "verified": true, "answer": 6, "timestamp": "2026-02-08T13:59:08.964922Z" }
09720f
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 181, "completion_tokens": 2592 }, "timestamp": "2026-02-11T08:07:35.740Z", "answer": 6 }, { "id"...
1
[ { "lemma": "K16", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MAX_DIVISOR", "status": "ok" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V7", "status"...
{ "lo": -5.48, "mid": 0.74, "hi": 7.52 }
b4bf49
nt_sum_gcd_range_mod_v1_153355830_639
Let $N = 1681$ and $k$ be the minimum value of $x + y$ over all pairs of positive integers $(x, y)$ such that $xy = 57600$. Compute the remainder when $\sum_{n=1}^{N} \gcd(n, k)$ is divided by $10937$.
6,584
graphs = [ Graph( let={ "_n": Const(57600), "N": Const(1681), "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")))), ex...
NT
null
COMPUTE
sympy
B3
[ "B3" ]
0cd20d
nt_sum_gcd_range_mod_v1
null
6
0
[ "B3" ]
1
0.081
2026-02-08T04:06:03.968483Z
{ "verified": true, "answer": 6584, "timestamp": "2026-02-08T04:06:04.049022Z" }
e79de1
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 179, "completion_tokens": 7695 }, "timestamp": "2026-02-10T15:16:14.718Z", "answer": 6584 }, { "...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "DS2", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "V5", "status": "no" } ]
{ "lo": -3.42, "mid": 1.86, "hi": 7.55 }
2d296b
comb_binomial_compute_v1_717093673_941
Let $n = 12$. Define $k$ to be the sum $$\sum_{k_1=1}^{3} k_1.$$ Let $\binom{n}{k}$ denote the binomial coefficient. Compute the remainder when $28935 \cdot \binom{n}{k}$ is divided by $93919$.
62,944
graphs = [ Graph( let={ "n": Const(12), "k": Summation(var="k1", start=Const(1), end=Const(3), expr=Var("k1")), "result": Binom(n=Ref("n"), k=Ref("k")), "_c": Const(28935), "Q": Mod(value=Mul(Ref("_c"), Ref("result")), modulus=Const(93919)), ...
ALG
COMB
COMPUTE
sympy
SUM_ARITHMETIC
[ "SUM_ARITHMETIC" ]
eb34f0
comb_binomial_compute_v1
null
2
0
[ "SUM_ARITHMETIC" ]
1
0.002
2026-02-08T15:45:45.504366Z
{ "verified": true, "answer": 62944, "timestamp": "2026-02-08T15:45:45.505884Z" }
67fe11
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 181, "completion_tokens": 965 }, "timestamp": "2026-02-24T18:26:32.491Z", "answer": 62944 }, { "...
1
[ { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "SUM_ARITHMETIC", "status": "ok" } ]
{ "lo": -2.4, "mid": 1.57, "hi": 5.75 }
1c4b61
nt_count_divisors_in_range_v1_809748730_98
Let $n = 45360$, $a = 3$, and $b = 1682$. Define $S$ to be the set of all positive integers $d$ such that $d$ divides $n$, $d \geq a$, and $d \leq b$. Let $r$ be the number of elements in $S$. Let $T$ be the set of all ordered pairs $(a,b)$ of positive integers such that $1 \leq a \leq 2$, $1 \leq b \leq 7$, and $t = 7...
1,104
graphs = [ Graph( let={ "_n": Const(2), "n": Const(45360), "a": Const(3), "b": Const(1682), "result": CountOverSet(set=SolutionsSet(var=Var("d"), condition=And(Divides(divisor=Var("d"), dividend=Ref("n")), Geq(Var("d"), Ref("a")), Leq(Var("d"), Ref...
NT
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM" ]
812dee
nt_count_divisors_in_range_v1
mod_exp
5
0
[ "LIN_FORM" ]
1
0.019
2026-02-08T11:19:17.427638Z
{ "verified": true, "answer": 1104, "timestamp": "2026-02-08T11:19:17.446469Z" }
22b36d
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": 2749 }, "timestamp": "2026-02-14T11:44:18.407Z", "answer": 1104 }, {...
1
[ { "lemma": "K13", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "V5", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
b00623
modular_modexp_compute_v1_655260480_5621
Let $n = 2222$. Compute the number of ordered pairs $(x_1, x_2)$ of positive odd integers such that $x_1 + x_2 = n$. Let $e$ be this number. Find the value of $3^e \bmod 19044$, that is, the remainder when $3^e$ is divided by $19044$.
11,547
graphs = [ Graph( let={ "_n": Const(2222), "a": Const(3), "e": 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(...
NT
null
COMPUTE
sympy
COMB1
[ "COMB1" ]
567f58
modular_modexp_compute_v1
null
3
0
[ "COMB1" ]
1
0.002
2026-02-08T18:35:04.028704Z
{ "verified": true, "answer": 11547, "timestamp": "2026-02-08T18:35:04.030522Z" }
734a3e
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 128, "completion_tokens": 3400 }, "timestamp": "2026-02-18T17:56:33.994Z", "answer": 11547 }, ...
1
[ { "lemma": "COMB1", "status": "ok" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
8409c9
algebra_quadratic_discriminant_v1_349078426_1954
Let $a = -10$, $b = -8$, and $c = 3$. Define $\Delta = b^2 - 4ac$. Let $N$ be the number of positive integers $n \leq 16929$ such that the sum of the digits of $n$ is even. Compute the value of $N - \Delta$.
8,280
graphs = [ Graph( let={ "_n": Const(2), "a": Const(-10), "b": Const(-8), "c": Const(3), "result": Sub(Pow(Ref("b"), Ref("_n")), Mul(Const(4), Ref("a"), Ref("c"))), "Q": Sub(CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(V...
NT
null
COMPUTE
sympy
L3B
[ "L3B" ]
f8a865
algebra_quadratic_discriminant_v1
negation_mod
3
0
[ "L3B" ]
1
0.003
2026-02-08T14:02:02.045781Z
{ "verified": true, "answer": 8280, "timestamp": "2026-02-08T14:02:02.048620Z" }
662573
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 121, "completion_tokens": 2730 }, "timestamp": "2026-02-15T23:14:20.756Z", "answer": 8280 }, {...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "L3B", "status": "ok" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" } ]
{ "lo": -8.26, "mid": -5.01, "hi": -1.76 }
e3c5ff
algebra_poly_eval_v1_349078426_932
Let $k = 10$ and $N = 1258$. Define $S$ to be the set of all ordered pairs $(x, y)$ of positive integers such that $xy = 8934121$. Let $s_{\text{min}}$ be the minimum value of $x + y$ as $(x, y)$ ranges over $S$. Compute the value of $$ \frac{490k^5 - 168k^4 - 1126k^3 + Nk^2 - 836k + 126}{s_{\text{min}}}. $$
7,747
graphs = [ Graph( let={ "_n": Const(1258), "k": Const(10), "result": Div(Sum(Mul(Const(490), Pow(Ref("k"), Const(5))), Mul(Const(-168), Pow(Ref("k"), Const(4))), Mul(Const(-1126), Pow(Ref("k"), Const(3))), Mul(Ref("_n"), Pow(Ref("k"), Const(2))), Mul(Const(-836), Ref("k")...
NT
null
COMPUTE
sympy
B3
[ "B3" ]
0cd20d
algebra_poly_eval_v1
null
3
0
[ "B3" ]
1
0.01
2026-02-08T13:20:32.819896Z
{ "verified": true, "answer": 7747, "timestamp": "2026-02-08T13:20:32.830204Z" }
7e8632
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 167, "completion_tokens": 1632 }, "timestamp": "2026-02-15T13:25:35.230Z", "answer": 7747 }, {...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOD_FACTORIAL", "statu...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
251bd7
antilemma_sum_factor_cartesian_v1_458359167_1490
Let $x$ be the sum of $ij$ over all ordered pairs $(i,j)$ with $1 \leq i \leq 23$ and $1 \leq j \leq 6$. Let $A$ be the set of positive integers $n \leq 23$ such that the sum of the decimal digits of $n$ is even. Define $m = |A|$. Compute the remainder when the Bell number $B_{|x| \bmod m}$ is divided by $76019$.
39,956
graphs = [ Graph( let={ "_n": Const(23), "x": SumOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=Const(1), domain=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(23)), right=IntegerRange(start=Const(1), end=Const(6)))), expr=Mu...
NT
COMB
COMPUTE
sympy
L3B
[ "L3B", "SUM_FACTOR_CARTESIAN" ]
2702c5
antilemma_sum_factor_cartesian_v1
bell_mod
6
0
[ "L3B", "SUM_FACTOR_CARTESIAN" ]
2
0.001
2026-02-08T04:38:02.687644Z
{ "verified": true, "answer": 39956, "timestamp": "2026-02-08T04:38:02.688974Z" }
a73742
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 206, "completion_tokens": 729 }, "timestamp": "2026-02-18T13:04:13.801Z", "answer": null } ]
0
[ { "lemma": "C2", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "L3B", "status": "ok" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "SUM_FACTOR_CARTESIAN", "status": "ok" }, ...
{ "lo": -6.48, "mid": 1.54, "hi": 9.56 }
446c75
antilemma_k2_v1_655260480_3456
Let $\phi(n)$ denote Euler's totient function. Define $$ x = \sum_{k=1}^{282} \phi(k) \left\lfloor \frac{282}{k} \right\rfloor. $$ Find the remainder when $18997x$ is divided by $74146$.
42,733
graphs = [ Graph( let={ "_n": Const(282), "x": Summation(var="k", start=Div(Const(71), Const(71)), end=Ref("_n"), expr=Mul(EulerPhi(n=Var("k")), Floor(Div(Const(282), Var("k"))))), "Q": Mod(value=Mul(Const(18997), Ref("x")), modulus=Const(74146)), }, goal=...
NT
COMB
COMPUTE
sympy
K13
[ "IDENTITY_DIV_SELF", "K2" ]
39e678
antilemma_k2_v1
null
4
0
[ "IDENTITY_DIV_SELF", "K13", "K2" ]
3
0.004
2026-02-08T17:23:22.672355Z
{ "verified": true, "answer": 42733, "timestamp": "2026-02-08T17:23:22.676595Z" }
90d765
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 109, "completion_tokens": 1367 }, "timestamp": "2026-02-18T00:57:15.808Z", "answer": 42733 }, ...
1
[ { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "IDENTITY_DIV_SELF", "status": "ok" }, { "lemma": "K2", "status": "ok" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "sta...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
5021ee
alg_poly_preperiod_count_v1_1218484723_2958
For a non-negative integer $a$, define the sequence $N, M, R, S, T$ by: \[ \begin{aligned} N &= (a^2 + a - 17) \bmod 41, \\ M &= (N^2 + N - 17) \bmod 41, \\ R &= (M^2 + M - 17) \bmod 41, \\ S &= (R^2 + R - 17) \bmod 41, \\ T &= (S^2 + S - 17) \bmod 41. \end{aligned} \] Find the number of integers $a$ with $0 \leq a \le...
13,944
graphs = [ Graph( let={ "p1": Mod(value=Sum(Pow(Var("a"), Const(2)), Var("a"), Const(-17)), modulus=Const(41)), "p2": Mod(value=Sum(Pow(Ref("p1"), Const(2)), Ref("p1"), Const(-17)), modulus=Const(41)), "p3": Mod(value=Sum(Pow(Ref("p2"), Const(2)), Ref("p2"), Const(-17)), ...
ALG
null
COUNT
sympy
POLY_ORBIT_COUNT
[ "POLY_ORBIT_COUNT" ]
4ad965
alg_poly_preperiod_count_v1
null
7
null
[ "POLY_ORBIT_COUNT" ]
1
0.03
2026-02-25T04:42:03.000270Z
{ "verified": true, "answer": 13944, "timestamp": "2026-02-25T04:42:03.030300Z" }
003dd1
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 294, "completion_tokens": 15387 }, "timestamp": "2026-03-29T07:32:11.451Z", "answer": 0 }, { "...
1
[ { "lemma": "POLY_ORBIT_COUNT", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": 1.55, "mid": 4.7, "hi": 7.23 }
c8b5a6_n
comb_count_partitions_v1_601307018_972
A baker uses two types of ingredients to make energy bars: type A (contributes 3 units of energy per piece) and type B (contributes 7 units per piece). Each bar must use between 1 and 13 pieces of type A and between 1 and 3 pieces of type B, contributing a total energy level $t$. Only bars with total energy $t$ between...
31,185
COMB
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
comb_count_partitions_v1
null
4
null
[ "LIN_FORM" ]
1
0.002
2026-03-10T01:33:48.008273Z
null
6730e8
c8b5a6
narrative
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 265, "completion_tokens": 2522 }, "timestamp": "2026-03-29T14:44:09.916Z", "answer": 31185 }, { "...
1
[ { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", ...
{ "lo": -5.36, "mid": 0.27, "hi": 5.45 }
04c7c9_n
alg_poly3_min_v1_601307018_9878
A factory produces three components $a$, $b$, and $c$, each requiring integer settings from 1 to 30. The total energy cost of a production run is given by the expression $$275a^3 + 375a^2b + 225a^2c + 50b^3 -75ab^{\left|\{ k : 1 \le k \le 16,\, 8 \mid k \}\right|} + 150abc + 45ac^2 + 30bc^2.$$ The exponent $\left|\{ k ...
1,075
graphs = [ Graph( let={ "_n": Const(275), "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(30)), Geq(Var("b"), Const(1)), Leq(Var("b"), Const(30)), Geq(Var("c"), Const(1...
ALG
NT
COMPUTE
sympy
C2
[ "C2" ]
9685eb
alg_poly3_min_v1
null
6
null
[ "C2" ]
1
0.098
2026-03-10T10:16:16.677545Z
null
a5fc58
04c7c9
narrative
CC BY 4.0
[ { "id": 36, "model": "qwen2.5:3b-32k", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 235, "completion_tokens": 664 }, "timestamp": "2026-04-23T14:24:55.997Z", "answer": 1075 } ]
2
[ { "lemma": "C2", "status": "ok" }, { "lemma": "K16", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" } ]
{ "lo": -10, "mid": -5.89, "hi": -1.79 }
703b00
nt_count_divisible_and_v1_677425708_144
Let $N = 67260$, $d_1 = 10$, and $d_2 = 12$. Consider the set of all positive integers $n$ such that $1 \le n \le N$, $n$ is divisible by $d_1$, and the remainder when $n$ is divided by $d_2$ equals $\sum_{k=0}^{7} (-1)^k \binom{7}{k}$. Compute the number of such integers $n$. Determine the value of this number.
1,121
graphs = [ Graph( let={ "upper": Const(67260), "d1": Const(10), "d2": Const(12), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("upper")), Eq(Mod(value=Var("n"), modulus=Ref("d1")), Const(0)), Eq(...
COMB
null
COUNT
sympy
BINOMIAL_ALTERNATING
[ "BINOMIAL_ALTERNATING" ]
c21569
nt_count_divisible_and_v1
null
4
0
[ "BINOMIAL_ALTERNATING" ]
1
2.676
2026-02-08T03:06:35.035078Z
{ "verified": true, "answer": 1121, "timestamp": "2026-02-08T03:06:37.711187Z" }
6273cd
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 225, "completion_tokens": 637 }, "timestamp": "2026-02-08T20:20:02.005Z", "answer": 1121 }, { "id...
1
[ { "lemma": "BINOMIAL_ALTERNATING", "status": "ok" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "sta...
{ "lo": -5.96, "mid": -3.96, "hi": -1.95 }
a7353b
antilemma_sum_equals_v1_124444284_1042
Let $x$ be the number of ordered pairs $(i, j)$ of positive integers such that $i + j = 36$, $1 \le i \le 35$, and $1 \le j \le 35$. Let $c$ be the number of ordered pairs $(x_1, x_2)$ of positive odd integers such that $x_1 + x_2 = 14002$. Let $t$ be an integer satisfying $7 \le t \le 349$, and let $S$ be the set of a...
6,778
graphs = [ Graph( let={ "_m": Const(14002), "_n": Const(59573), "x": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=Eq(Sum(Var("i"), Var("j")), Const(36)), domain=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(35)), right=I...
COMB
GEOM
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM", "COMB1", "COUNT_SUM_EQUALS" ]
77e8ba
antilemma_sum_equals_v1
two_moduli
7
0
[ "COMB1", "COUNT_SUM_EQUALS", "LIN_FORM" ]
3
0.027
2026-02-08T03:40:02.217948Z
{ "verified": true, "answer": 6778, "timestamp": "2026-02-08T03:40:02.244662Z" }
482565
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 312, "completion_tokens": 32768 }, "timestamp": "2026-02-23T22:43:05.318Z", "answer": 6778 }, { "...
1
[ { "lemma": "COMB1", "status": "ok" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "LI...
{ "lo": -2.46, "mid": 0.47, "hi": 3.59 }
59a89b
nt_min_coprime_above_v1_397696148_61
Let $A$ be the set of all integers $n$ such that $1 \leq n \leq 308$ and $n \equiv \left\lfloor \frac{n}{2} \right\rfloor \pmod{7}$. Let $m$ be the number of elements in $A$. Find the smallest integer $n$ such that $51076 < n \leq 51130$ and $\gcd(n, m) = 1$.
51,077
graphs = [ Graph( let={ "_n": Const(308), "start": Const(51076), "upper": Const(51130), "modulus": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("_n")), Congruent(a=Var(name='n'), b=Floor(arg=Div(left=Var(...
NT
null
EXTREMUM
sympy
L3C
[ "L3C" ]
73f8b0
nt_min_coprime_above_v1
null
6
0
[ "L3C" ]
1
0.04
2026-02-08T11:16:54.834874Z
{ "verified": true, "answer": 51077, "timestamp": "2026-02-08T11:16:54.875336Z" }
7bad20
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": 1053 }, "timestamp": "2026-02-14T11:00:28.932Z", "answer": 51077 }, ...
1
[ { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "L3C", "status": "ok" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "V3", "status": "no" }, { "lemma": "V5", "status": "no" } ]
{ "lo": -6.96, "mid": -4.56, "hi": -1.46 }
1b64e6
antilemma_k3_v1_153355830_1353
Let $ n = 95185 $. Define $$ x = \sum_{d \mid n} \phi(d), $$ where the sum is over all positive divisors $ d $ of $ n $, and $ \phi(d) $ is Euler's totient function. Let $ Q = (2022 - x) \bmod 67564 $. Compute $ Q $.
41,965
graphs = [ Graph( let={ "_n": Const(95185), "x": SumOverDivisors(n=Ref(name='_n'), var='d', expr=EulerPhi(n=Var(name='d'))), "_c": Const(2022), "Q": Mod(value=Sub(Ref("_c"), Ref("x")), modulus=Const(67564)), }, goal=Ref("Q"), ) ]
NT
COMB
COMPUTE
sympy
K3
[ "K3" ]
54c41e
antilemma_k3_v1
null
3
0
[ "K3" ]
1
0.001
2026-02-08T06:20:22.228296Z
{ "verified": true, "answer": 41965, "timestamp": "2026-02-08T06:20:22.229224Z" }
9df52e
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": 634 }, "timestamp": "2026-02-12T23:03:11.628Z", "answer": 41965 }, {...
1
[ { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "K3", "status": "ok" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -5.55, "mid": -3.01, "hi": 0.32 }
5b3bb3
nt_sum_gcd_range_mod_v1_124444284_7281
Let $m$ be the maximum value of $xy$ over all pairs of positive integers $(x, y)$ such that $x + y = 90$. Let $n$ be the minimum value of $x + y$ over all pairs of positive integers $(x, y)$ such that $xy = m$. Let $N$ be the maximum value of $xy$ over all pairs of positive integers $(x, y)$ such that $x + y = n$. Let ...
4,820
graphs = [ Graph( let={ "_m": MaxOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Sum(Var("x"), Var("y")), Const(90)))), expr=Mul(Var("x"), Var("y")))), "_n": MinOverSet(se...
NT
null
COMPUTE
sympy
B1
[ "B1/B3/B1" ]
644515
nt_sum_gcd_range_mod_v1
null
6
0
[ "B1", "B3" ]
2
0.097
2026-02-08T08:58:53.343937Z
{ "verified": true, "answer": 4820, "timestamp": "2026-02-08T08:58:53.441336Z" }
63a7a4
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 188, "completion_tokens": 2471 }, "timestamp": "2026-02-13T23:43:37.886Z", "answer": 4820 }, {...
1
[ { "lemma": "B1", "status": "ok" }, { "lemma": "B3", "status": "ok_later" }, { "lemma": "C2", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "V8_SUM...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
5cf888
nt_count_digit_sum_v1_349078426_783
Let $U$ be the total number of ordered pairs $(a, b)$ such that $1 \leq a \leq 99$ and $1 \leq b \leq 101$. Compute the number of positive integers $n \leq U$ such that the sum of the decimal digits of $n$ is 15.
592
graphs = [ Graph( let={ "upper": CountOverSet(set=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(99)), right=IntegerRange(start=Const(1), end=Const(101)))), "target_sum": Const(15), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var(...
NT
null
COUNT
sympy
COUNT_CARTESIAN
[ "COUNT_CARTESIAN" ]
409d7d
nt_count_digit_sum_v1
null
5
0
[ "COUNT_CARTESIAN" ]
1
5.484
2026-02-08T13:17:39.573855Z
{ "verified": true, "answer": 592, "timestamp": "2026-02-08T13:17:45.057555Z" }
3f48e2
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": 1269 }, "timestamp": "2026-02-15T12:23:38.089Z", "answer": 592 }, { ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "ok" }, { "lemma": "K14", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "V3", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
5c274e
nt_max_prime_below_v1_1470522791_883
Let $s$ be the number of positive integers $p$ for which there exists a positive integer $q$ such that $p \cdot q = 216$, $\gcd(p, q) = 1$, and $p < q$. Let $S$ be the set of prime numbers $n$ such that $s \leq n \leq 60000$. Let $r$ be the largest element of $S$. Find the remainder when $53904 \cdot r$ is divided by $...
60,015
graphs = [ Graph( let={ "_n": Const(78329), "upper": Const(60000), "result": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), CountOverSet(set=SolutionsSet(var=Var("p"), condition=And(IsPositive(arg=Var(name='p')), Exists(var=Var(name='q'), condition=...
NT
null
EXTREMUM
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS" ]
2bb3aa
nt_max_prime_below_v1
null
5
0
[ "COPRIME_PAIRS" ]
1
3.491
2026-02-08T13:18:03.935481Z
{ "verified": true, "answer": 60015, "timestamp": "2026-02-08T13:18:07.426415Z" }
e6c340
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": 3503 }, "timestamp": "2026-02-15T13:08:03.424Z", "answer": 60015 }, ...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "L3b", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "V7", "status": "no"...
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
c0cf81
alg_poly_preperiod_count_v1_1218484723_1636
For a non-negative integer $a$, define a sequence by $N = (a^2 + a - 6) \bmod 59$, $M = (N^2 + N - 6) \bmod 59$, $R = (M^2 + M - 6) \bmod 59$, and $S = (R^2 + R - 6) \bmod 59$. Find the number of integers $a$ with $0 \le a \le 42361$ such that $S = M$ and $R \ne M$.
4,308
graphs = [ Graph( let={ "p1": Mod(value=Sum(Pow(Var("a"), Const(2)), Var("a"), Const(-6)), modulus=Const(59)), "p2": Mod(value=Sum(Pow(Ref("p1"), Const(2)), Ref("p1"), Const(-6)), modulus=Const(59)), "p3": Mod(value=Sum(Pow(Ref("p2"), Const(2)), Ref("p2"), Const(-6)), mod...
ALG
null
COUNT
sympy
POLY_ORBIT_COUNT
[ "POLY_ORBIT_COUNT" ]
4ad965
alg_poly_preperiod_count_v1
null
7
null
[ "POLY_ORBIT_COUNT" ]
1
0.029
2026-02-25T03:20:20.364919Z
{ "verified": true, "answer": 4308, "timestamp": "2026-02-25T03:20:20.394097Z" }
976100
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 233, "completion_tokens": 32768 }, "timestamp": "2026-03-29T00:41:54.902Z", "answer": null }, { ...
1
[ { "lemma": "POLY_ORBIT_COUNT", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": 3.14, "mid": 5.37, "hi": 7.61 }
2d47ce
antilemma_sum_equals_v1_1520064083_648
Let $m$ be the number of integers $t$ such that $16 \leq t \leq 354$ and there exist positive integers $a$ and $b$ with $1 \leq a \leq 24$, $1 \leq b \leq 19$, and $t = 10a + 6b$. Let $n$ be the number of ordered pairs $(x_1, x_2)$ of positive odd integers such that $x_1 + x_2 = m$. Compute the number of ordered pairs ...
78
graphs = [ Graph( let={ "_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=24)), Geq(left=Var(name='b'), right=Const(value...
COMB
GEOM
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM/COMB1/COUNT_SUM_EQUALS", "COUNT_SUM_EQUALS" ]
b14821
antilemma_sum_equals_v1
null
5
0
[ "COMB1", "COUNT_SUM_EQUALS", "LIN_FORM" ]
3
0.078
2026-02-08T03:30:50.103809Z
{ "verified": true, "answer": 78, "timestamp": "2026-02-08T03:30:50.181986Z" }
f75502
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 1, "correct": { "strict": false, "boxed": false, "relaxed": true }, "usage": { "prompt_tokens": 267, "completion_tokens": 32768 }, "timestamp": "2026-02-23T22:37:21.453Z", "answer": null }, { ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COMB1", "status": "ok_later" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V7", "status": "no"...
{ "lo": 3.43, "mid": 5.73, "hi": 8.84 }
606ec6
alg_poly_orbit_count_v1_1218484723_4853
For an integer $a$, define \begin{align*} N &\equiv 2a^{3} - 4a^{2} - 4a \pmod{97},\\ M &\equiv 2N^{3} - 4N^{2} - 4N \pmod{97},\\ R &\equiv 2M^{3} - 4M^{2} - 4M \pmod{97},\\ S &\equiv 2R^{3} - 4R^{2} - 4R \pmod{97},\\ T &\equiv 2S^{3} - 4S^{2} - 4S \pmod{97},\\ K &\equiv 2T^{3} - 4T^{2} - 4T \pmod{97}. \end{align*} Let...
6,306
graphs = [ Graph( let={ "p1": Mod(value=Sum(Mul(Const(2), Pow(Var("a"), Const(3))), Mul(Const(-4), Pow(Var("a"), Const(2))), Mul(Const(-4), Var("a"))), modulus=Const(97)), "p2": Mod(value=Sum(Mul(Const(2), Pow(Ref("p1"), Const(3))), Mul(Const(-4), Pow(Ref("p1"), Const(2))), Mul(Const...
ALG
null
COUNT
sympy
POLY_ORBIT_COUNT
[ "POLY_ORBIT_COUNT" ]
4ad965
alg_poly_orbit_count_v1
null
7
null
[ "POLY_ORBIT_COUNT" ]
1
0.096
2026-02-25T06:29:06.851879Z
{ "verified": true, "answer": 6306, "timestamp": "2026-02-25T06:29:06.947485Z" }
677a9e
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 1, "correct": { "strict": false, "boxed": false, "relaxed": true }, "usage": { "prompt_tokens": 363, "completion_tokens": 20193 }, "timestamp": "2026-03-29T18:07:23.896Z", "answer": 6 }, { "i...
1
[ { "lemma": "POLY_ORBIT_COUNT", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": 3.81, "mid": 6.33, "hi": 9.49 }
b69ab0
alg_telescope_v1_1218484723_3572
Let $S$ be the set of positive integers $n \le 2599$ such that $\gcd(n, 15) = 1$. Let $M = \left( \sum_{k=0}^{|S|} (4k^3 + 6k^2 + 4k + 1) \right) \bmod 3956$. Compute $|M|$.
784
graphs = [ Graph( let={ "_n": Const(2599), "result": Mod(value=Summation(var="k", start=Const(0), end=CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("_n")), Eq(GCD(a=Var("n"), b=Const(15)), Const(1))))), expr=Sum(Mul(Const(4), Pow...
NT
null
COMPUTE
sympy
C4
[ "C4" ]
08d162
alg_telescope_v1
null
4
0
[ "C4" ]
1
0.111
2026-02-25T05:12:10.290959Z
{ "verified": true, "answer": 784, "timestamp": "2026-02-25T05:12:10.401570Z" }
3e42f0
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 196, "completion_tokens": 2311 }, "timestamp": "2026-03-29T11:01:00.996Z", "answer": 784 }, { "id...
1
[ { "lemma": "C4", "status": "ok" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" } ]
{ "lo": -2.45, "mid": 1.37, "hi": 5.29 }
896852
nt_sum_divisors_range_v1_1248542787_740
Let $S$ be the set of all ordered pairs of positive integers $(x, y)$ such that $xy = 12250000$. Let $u$ be the minimum value of $x + y$ as $(x, y)$ ranges over $S$. Now consider all integers $n$ from $\phi(2)$ to $u$, inclusive. For each such $n$, compute the number of its positive divisors, and let the result be the ...
63,071
graphs = [ Graph( let={ "upper": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Mul(Var("x"), Var("y")), Const(12250000)))), expr=Sum(Var("x"), Var("y")))), "result": ...
NT
null
SUM
sympy
MOBIUS_COPRIME
[ "ONE_PHI_2", "B3" ]
0519c9
nt_sum_divisors_range_v1
null
5
0
[ "B3", "MOBIUS_COPRIME", "ONE_PHI_2" ]
3
0.655
2026-02-08T03:21:36.215287Z
{ "verified": true, "answer": 63071, "timestamp": "2026-02-08T03:21:36.870774Z" }
1e7ce3
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 213, "completion_tokens": 3673 }, "timestamp": "2026-02-09T20:35:18.549Z", "answer": 63071 }, { ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, {...
{ "lo": -6.49, "mid": 0.51, "hi": 7.52 }
4e1373
alg_poly4_min_v1_601307018_6020
Let $Q$ be the minimum value of $$ 19532a^4 + \min\{ x + y : x, y > 0,\, xy = 13307904,\, x \leq y \} \cdot ab^3 + 31008a^2b^2 + \left|\{ k : 1 \leq k \leq 75392,\, 31 \mid k \}\right| \cdot b^4 + 38304a^3b $$ over all positive integers $a, b$ with $1 \leq a \leq \left|\{ (a1, b1) : 1 \leq a1, b1 \leq 20,\, 10a1^2 - 18...
98,572
graphs = [ Graph( let={ "_d": Const(4), "_c": Const(3), "_m": Const(25), "_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"), CountOverSe...
NT
null
COMPUTE
sympy
QF_PSD_COUNT_LEQ
[ "QF_PSD_COUNT_LEQ", "B3_CLOSEST", "C2", "B3" ]
433d01
alg_poly4_min_v1
null
6
0
[ "B3", "B3_CLOSEST", "C2", "QF_PSD_COUNT_LEQ" ]
4
1.008
2026-03-10T06:36:54.806935Z
{ "verified": true, "answer": 98572, "timestamp": "2026-03-10T06:36:55.815322Z" }
bc8150
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 341, "completion_tokens": 5507 }, "timestamp": "2026-04-19T03:24:22.947Z", "answer": 98572 }, { ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "B3_CLOSEST", "status": "ok" }, { "lemma": "C2", "status": "ok" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lem...
{ "lo": -5.35, "mid": 0.52, "hi": 5.84 }
9bcd08
geo_visible_lattice_v1_2051736721_3009
Let $n = 81$. Define $R$ to be the number of ordered pairs $(x, y)$ of positive integers such that $1 \leq x, y \leq n$ and $\gcd(x, y) = 1$. Let $Q = 9801 - R$. Compute $Q$.
5,762
graphs = [ Graph( let={ "n": Const(81), "result": VisibleLatticePoints(n=Ref(name='n')), "_c": Const(9801), "Q": Sub(Ref("_c"), Ref("result")), }, goal=Ref("Q"), ) ]
GEOM
null
COUNT
sympy
[]
geo_visible_lattice_v1
null
3
0
null
null
0.305
2026-02-08T17:03:49.762420Z
{ "verified": true, "answer": 5762, "timestamp": "2026-02-08T17:03:50.067567Z" }
4c69ed
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": 2269 }, "timestamp": "2026-02-17T18:10:07.573Z", "answer": 5762 }, {...
1
[]
{ "lo": -2.38, "mid": 1.74, "hi": 6.59 }
4178b1
diophantine_sum_product_min_v1_1520064083_916
Let $S = 55$. Let $P$ be the number of positive integers $t$ such that there exist positive integers $a$ and $b$ with $1 \leq a \leq 49$, $1 \leq b \leq 12$, $12 \leq t \leq 329$, and $t = 5a + 7b$. Let $x$ be the smallest positive integer such that $1 \leq x \leq Q$, where $Q$ is the number of positive integers $t$ su...
61,374
graphs = [ Graph( let={ "_n": Const(70116), "S": Const(55), "P": 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=...
NT
null
EXTREMUM
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
diophantine_sum_product_min_v1
null
7
0
[ "LIN_FORM" ]
1
0.007
2026-02-08T03:40:09.036672Z
{ "verified": true, "answer": 61374, "timestamp": "2026-02-08T03:40:09.043866Z" }
823236
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 320, "completion_tokens": 7486 }, "timestamp": "2026-02-10T14:02:35.514Z", "answer": 61374 }, { ...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "LTE_SUM", "status": "no" } ]
{ "lo": -3.49, "mid": 1.84, "hi": 7.55 }
be1ef7
alg_poly3_sum_v1_1218484723_6355
Compute the sum $$\sum_{\substack{1 \le a,b,c \le 42}} \left( -144abc -128b^3 + D \cdot a c^2 -240b c^2 + 96b^2 c + 90a^2 c + 253a^3 + 432a b^2 -492a^2 b + 57c^3 \right),$$ where $$D = \left|\{ (a_1, b_1) : 1 \le a_1, b_1 \le 25,\ 25b_1^2 -18a_1 b_1 + 10a_1^2 \le 3316 \}\right|,$$ and find the remainder when this sum i...
44,174
graphs = [ Graph( let={ "_n": Const(2), "result": Mod(value=SumOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b"), Var("c")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), Const(42)), Geq(Var("b"), Const(1)), Leq(Var("b"), Const(42)), Geq(Var("c"),...
ALG
null
COMPUTE
sympy
QF_PSD_COUNT_LEQ
[ "QF_PSD_COUNT_LEQ" ]
009d0f
alg_poly3_sum_v1
null
5
0
[ "QF_PSD_COUNT_LEQ" ]
1
1.104
2026-02-25T07:54:20.680035Z
{ "verified": true, "answer": 44174, "timestamp": "2026-02-25T07:54:21.784242Z" }
93cc92
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 282, "completion_tokens": 16170 }, "timestamp": "2026-03-30T01:20:36.104Z", "answer": 45348 }, { ...
1
[ { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "QF_PSD_COUNT_LEQ", "status": "ok" } ]
{ "lo": 1.53, "mid": 4.7, "hi": 7.23 }
03567d
algebra_quadratic_discriminant_v1_1915831931_2226
Let $a = \sum_{k=1}^{2} k$, $b = -2$, and $c = 8$. Let $\Delta = b^2 - 4ac$. Compute the remainder when $62573 \cdot \Delta$ is divided by $89718$.
74,954
graphs = [ Graph( let={ "_n": Const(89718), "a": Summation(var="k", start=Const(1), end=Const(2), expr=Var("k")), "b": Const(-2), "c": Const(8), "result": Sub(Pow(Ref("b"), Const(2)), Mul(Const(4), Ref("a"), Ref("c"))), "_c": Const(6257...
NT
null
COMPUTE
sympy
SUM_ARITHMETIC
[ "SUM_ARITHMETIC" ]
eb34f0
algebra_quadratic_discriminant_v1
null
2
0
[ "SUM_ARITHMETIC" ]
1
0.002
2026-02-08T16:40:42.324876Z
{ "verified": true, "answer": 74954, "timestamp": "2026-02-08T16:40:42.326413Z" }
b4043e
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 106, "completion_tokens": 858 }, "timestamp": "2026-02-17T09:06:28.688Z", "answer": 74954 }, {...
1
[ { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "SUM_ARITHMETIC", "status": "ok" }, { "lemma": "V1", "status": "no" }, { "lemma": "V7", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
a97a1d
alg_qf_psd_min_v1_601307018_2161
Let $d_{\text{max}}$ be the largest positive divisor of $87918752$ such that $d_{\text{max}}^2 \le 87918752$. Find the minimum value of the expression $$ d_{\text{max}} \cdot b \cdot c - 9376a \cdot c + 21096a \cdot b + 20510a^2 + 10548b^2 + 18752c^2 $$ over all ordered triples $(a, b, c)$ of positive integers with $1 ...
70,906
graphs = [ Graph( let={ "_m": Const(21), "_n": Const(20510), "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"), MaxOverSet(set=SolutionsSet(var=Var("k"), condition=L...
NT
null
COMPUTE
sympy
B3_CLOSEST
[ "B3_CLOSEST", "MAX_VAL" ]
ce8f09
alg_qf_psd_min_v1
null
6
0
[ "B3_CLOSEST", "MAX_VAL" ]
2
0.054
2026-03-10T02:52:01.729901Z
{ "verified": true, "answer": 70906, "timestamp": "2026-03-10T02:52:01.784085Z" }
ab1efa
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 276, "completion_tokens": 32768 }, "timestamp": "2026-03-29T04:37:07.440Z", "answer": null }, { ...
1
[ { "lemma": "B3_CLOSEST", "status": "ok" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "K16", "status": "same_pattern_wrong" }, { "lemma": "L3b", "status": "no" }, { "lemma": "LTE_DIFF_P2", "st...
{ "lo": 1.23, "mid": 4.27, "hi": 6.7 }
e63e12
nt_min_with_divisor_count_v1_168721529_5
Let $c$ be the number of positive integers $n$ such that $1 \leq n \leq 96$ and $21$ divides $F_n$, where $F_n$ denotes the $n$-th Fibonacci number. Let $m$ be the smallest positive integer $n$ such that $1 \leq n \leq 40804$ and the number of positive divisors of $n$ is equal to $c$. Compute the remainder when $55354 ...
79,920
graphs = [ Graph( let={ "_n": Const(55354), "upper": Const(40804), "div_count": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Const(96)), Divides(divisor=Const(21), dividend=Fibonacci(arg=Var(name='n')))))), "...
NT
null
EXTREMUM
sympy
COUNT_FIB_DIVISIBLE
[ "COUNT_FIB_DIVISIBLE" ]
66de3c
nt_min_with_divisor_count_v1
null
5
0
[ "COUNT_FIB_DIVISIBLE" ]
1
2.541
2026-02-08T12:45:49.935052Z
{ "verified": true, "answer": 79920, "timestamp": "2026-02-08T12:45:52.476429Z" }
c81281
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 228, "completion_tokens": 2508 }, "timestamp": "2026-02-08T20:52:44.224Z", "answer": 79920 }, { "...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "ok" }, { "lemma": "K14", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -2.02, "mid": 1.85, "hi": 5.2 }
d09fec
antilemma_cartesian_v1_1353956133_337
Compute the number of ordered pairs $(a, b)$ such that $1 \leq a \leq 21$ and $1 \leq b \leq 28$.
588
graphs = [ Graph( let={ "x": CountOverSet(set=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(21)), right=IntegerRange(start=Const(1), end=Const(28)))), }, goal=Ref("x"), ) ]
COMB
GEOM
COMPUTE
sympy
COUNT_CARTESIAN
[ "COUNT_CARTESIAN" ]
409d7d
antilemma_cartesian_v1
null
2
0
[ "COUNT_CARTESIAN" ]
1
0
2026-02-08T11:25:08.534361Z
{ "verified": true, "answer": 588, "timestamp": "2026-02-08T11:25:08.534850Z" }
32db65
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 148, "completion_tokens": 130 }, "timestamp": "2026-02-24T13:41:18.882Z", "answer": 588 }, { "id"...
2
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "statu...
{ "lo": -10, "mid": -7.79, "hi": -5.57 }
cf1eab
sequence_lucas_compute_v1_784195855_5975
Let $m = 196$. Let $s$ be the minimum value of $x + y$ over all ordered pairs $(x, y)$ of positive integers such that $xy = m$. Let $n$ be the largest prime number that is at least 2 and at most $s$. Compute the $n$-th Lucas number.
64,079
graphs = [ Graph( let={ "_m": Const(196), "_n": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Mul(Var("x"), Var("y")), Ref("_m")))), expr=Sum(Var("x"), Var("y")))), ...
NT
null
COMPUTE
sympy
B3
[ "B3/MAX_PRIME_BELOW" ]
f253c0
sequence_lucas_compute_v1
null
5
0
[ "B3", "MAX_PRIME_BELOW" ]
2
0.001
2026-02-08T08:14:56.949582Z
{ "verified": true, "answer": 64079, "timestamp": "2026-02-08T08:14:56.950973Z" }
4632e7
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 117, "completion_tokens": 1013 }, "timestamp": "2026-02-13T15:55:15.585Z", "answer": 64079 }, ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok_later"...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
87eb36
comb_count_derangements_v1_48377204_985
Let $m = 8$. Let $S$ be the set of all positive integers $n_1$ such that $1 \le n_1 \le 205$ and $\gcd(n_1, 14) = 1$. Let $d$ be the number of elements in $S$. Define $n$ to be the largest positive divisor of $d$ that is at most $m$. Compute the remainder when $44121$ times the subfactorial of $n$ is divided by $72859$...
27,255
graphs = [ Graph( let={ "_m": Const(8), "_n": CountOverSet(set=SolutionsSet(var=Var("n1"), condition=And(Geq(Var("n1"), Const(1)), Leq(Var("n1"), Const(205)), Eq(GCD(a=Var("n1"), b=Const(14)), Const(1))))), "n": MaxOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(...
NT
COMB
COUNT
sympy
C4
[ "C4/MAX_DIVISOR" ]
747897
comb_count_derangements_v1
null
5
0
[ "C4", "MAX_DIVISOR" ]
2
0.003
2026-02-08T15:50:52.526777Z
{ "verified": true, "answer": 27255, "timestamp": "2026-02-08T15:50:52.529962Z" }
300647
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 177, "completion_tokens": 1788 }, "timestamp": "2026-02-16T14:56:44.171Z", "answer": 27255 }, ...
1
[ { "lemma": "C4", "status": "ok" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "MAX_DIVISOR", "status": "ok_later" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "MOD_SUB", "status": "no...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
a3b48f
comb_binomial_compute_v1_677425708_2590
Let $n = 14$ and $k = 6$. Let $c$ be the number of positive integers $n$ not exceeding 40599 such that $n \equiv \left\lfloor \frac{n}{2} \right\rfloor \pmod{5}$. Let $Q$ be the remainder when $\binom{n}{k} \cdot c$ is divided by 91165. Find the value of $Q$.
40,302
graphs = [ Graph( let={ "n": Const(14), "k": Const(6), "result": Binom(n=Ref("n"), k=Ref("k")), "_c": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Const(40599)), Congruent(a=Var(name='n'), b=Floor(arg=Div(lef...
NT
null
COMPUTE
sympy
COMB1
[ "L3C" ]
141fd9
comb_binomial_compute_v1
affine_mod
4
0
[ "COMB1", "L3C" ]
2
0.033
2026-02-08T05:08:51.600329Z
{ "verified": true, "answer": 40302, "timestamp": "2026-02-08T05:08:51.633307Z" }
2ac4f8
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": 2524 }, "timestamp": "2026-02-11T22:58:02.548Z", "answer": 40302 }, { "...
1
[ { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "L3C", "status": "ok" }, { "lemma": "L3b", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" } ]
{ "lo": -3.45, "mid": 1.15, "hi": 6.18 }
f59588
modular_count_residue_v1_124444284_410
Let $r$ be the sum of the first $t$ positive integers, where $t$ is the number of positive integers $p$ for which there exists a positive integer $q$ such that $pq = 3000$, $\gcd(p, q) = 1$, and $p < q$. Let $\text{result}$ be the number of integers $n$ with $1 \leq n \leq 32768$ such that $n \equiv r \pmod{12}$. Compu...
2,730
graphs = [ Graph( let={ "upper": Const(32768), "m": Const(12), "r": Summation(var="k", start=Const(1), end=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=...
NT
null
COUNT
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS/SUM_ARITHMETIC" ]
10b314
modular_count_residue_v1
null
5
0
[ "COPRIME_PAIRS", "SUM_ARITHMETIC" ]
2
2.004
2026-02-08T03:15:50.958173Z
{ "verified": true, "answer": 2730, "timestamp": "2026-02-08T03:15:52.962535Z" }
c44d3d
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 225, "completion_tokens": 2449 }, "timestamp": "2026-02-09T17:18:48.850Z", "answer": 2730 }, { "i...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "SUM_ARITHMETIC", "status": "ok_later" }, { "lemma": "V1", "status": "no" ...
{ "lo": -7.01, "mid": -4.68, "hi": -2.15 }
eb3da1
diophantine_product_count_v1_971394319_357
Let $n = 2$ and $k = 60$. Define $\text{upper} = 35$. Let $S$ be the set of all positive integers $x$ such that $1 \leq x \leq \text{upper}$, $x$ divides $60$, and $\frac{60}{x} \leq 35$. Let $r$ be the number of elements in $S$. Compute $r + 2^{r \bmod 15} \bmod 91924$, where the exponent is reduced modulo $15 = \sum_...
1,034
graphs = [ Graph( let={ "_n": Const(2), "k": Const(60), "upper": Const(35), "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")...
NT
null
COUNT
sympy
SUM_ARITHMETIC
[ "SUM_ARITHMETIC" ]
129eee
diophantine_product_count_v1
mod_exp
3
0
[ "SUM_ARITHMETIC" ]
1
0.009
2026-02-08T13:02:47.622070Z
{ "verified": true, "answer": 1034, "timestamp": "2026-02-08T13:02:47.630701Z" }
ec0d90
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 172, "completion_tokens": 999 }, "timestamp": "2026-02-15T08:50:17.788Z", "answer": 1034 }, { ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "SUM_ARITHMETIC", "status": "ok" }, { "lemma": "V3", "status": "no" } ]
{ "lo": -6.96, "mid": -4.56, "hi": -1.46 }
32ea09
geo_count_lattice_triangle_v1_1439011603_1959
Let $A$ be the area of the triangle with vertices at $(0,0)$, $(136,6)$, and $(40,128)$, multiplied by $2$. Let $B$ be the sum of the greatest common divisors of the absolute differences in coordinates along each side of the triangle: - $\gcd(|136 - 0|, |6 - 0|)$, - $\gcd(|40 - 136|, |128 - 6|)$, - $\gcd(|0 - 40|, |0...
34,509
graphs = [ Graph( let={ "area_2x": Abs(arg=Sum(Mul(Const(value=136), Const(value=128)), Mul(Const(value=40), Sub(left=Const(value=0), right=Const(value=6))))), "boundary": Sum(GCD(a=Abs(arg=Const(value=136)), b=Abs(arg=Const(value=6))), GCD(a=Abs(arg=Sub(left=Const(value=40), right=C...
ALG
NT
COUNT
sympy
[]
geo_count_lattice_triangle_v1
null
5
0
null
null
0.005
2026-02-08T16:24:24.092280Z
{ "verified": true, "answer": 34509, "timestamp": "2026-02-08T16:24:24.097135Z" }
47a865
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": 1233 }, "timestamp": "2026-02-17T03:55:28.597Z", "answer": 34509 }, ...
1
[]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }