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0deb56
nt_count_gcd_equals_v1_1520064083_3690
Let $\phi(n)$ denote Euler's totient function. For each positive integer $n$ from $1$ to $403$, compute $$ \sum_{k=1}^{6} \phi(k) \left\lfloor \frac{6}{k} \right\rfloor, $$ and let $k$ be the number of integers $n$ in this range such that $\gcd\left(n, \sum_{k=1}^{6} \phi(k) \left\lfloor \frac{6}{k} \right\rfloor\right...
18,556
graphs = [ Graph( let={ "_n": Const(403), "upper": Const(35721), "k": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("_n")), Eq(GCD(a=Var("n"), b=Summation(var="k", start=Const(1), end=Const(6), expr=Mul(EulerPhi(n=Var...
NT
null
COUNT
sympy
K2
[ "K2/C4" ]
87860b
nt_count_gcd_equals_v1
null
6
0
[ "C4", "K2" ]
2
2.928
2026-02-08T05:49:10.208084Z
{ "verified": true, "answer": 18556, "timestamp": "2026-02-08T05:49:13.135946Z" }
227e27
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 195, "completion_tokens": 1535 }, "timestamp": "2026-02-12T14:36:06.912Z", "answer": 18556 }, ...
1
[ { "lemma": "C4", "status": "ok_later" }, { "lemma": "K18", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "V1", "status": "no" }, { ...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
39d41d
comb_factorial_compute_v1_784195855_1865
Let $u$ be the number of ordered triples $(x_1, x_2, x_3)$ of positive odd integers such that $x_1 + x_2 + x_3 = 9$. Let $n_2 = u + 1$. Define $t = \sum_{k=0}^{n_2} (-1)^k \binom{n_2}{k}$. Let $a = 2$, $b = 4$, and $n_1 = a + b$. Define $f = \sum_{k=0}^{n_1} (-1)^k \binom{n_1}{k}$. Let $n = 8 + t + f$. Compute $n!$.
40,320
graphs = [ Graph( let={ "_n": Const(9), "u": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x1"), Var("x2"), Var("x3")]), condition=And(IsPositive(arg=Var(name='x1')), IsPositive(arg=Var(name='x2')), IsPositive(arg=Var(name='x3')), IsOdd(arg=Var(name='x1')), IsOdd(arg=Var(nam...
COMB
null
COMPUTE
sympy
COMB1
[ "COMB1/BINOMIAL_ALTERNATING" ]
e72f96
comb_factorial_compute_v1
null
4
2
[ "BINOMIAL_ALTERNATING", "COMB1" ]
2
0.004
2026-02-08T05:22:30.463537Z
{ "verified": true, "answer": 40320, "timestamp": "2026-02-08T05:22:30.467179Z" }
9af53c
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": 734 }, "timestamp": "2026-02-24T03:14:08.055Z", "answer": 40320 }, { "i...
2
[ { "lemma": "BINOMIAL_ALTERNATING", "status": "ok_later" }, { "lemma": "C2", "status": "no" }, { "lemma": "COMB1", "status": "ok" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "V8", ...
{ "lo": -9.23, "mid": -6.18, "hi": -4.06 }
2434f6
modular_count_residue_v1_1918700295_8
Let $m$ be the minimum value of $x + y$ over all positive integers $x$ and $y$ such that $xy = 49$. Let $r = 11$ and let $N$ be the number of positive integers $n$ with $1 \leq n \leq 66049$ such that $n \equiv r \pmod{m}$. Compute the remainder when the Bell number $B_{|N| \bmod{11}}$ is divided by $90589$.
25,386
graphs = [ Graph( let={ "_n": Const(11), "upper": Const(66049), "m": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Mul(Var("x"), Var("y")), Const(49)))), ...
COMB
null
COUNT
sympy
B3
[ "B3" ]
0cd20d
modular_count_residue_v1
null
5
0
[ "B3" ]
1
4.872
2026-02-08T02:56:07.643228Z
{ "verified": true, "answer": 25386, "timestamp": "2026-02-08T02:56:12.515616Z" }
3d18c7
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 224, "completion_tokens": 978 }, "timestamp": "2026-02-08T20:02:37.168Z", "answer": 25386 }, { "i...
1
[ { "lemma": "B3", "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", "status": "no" } ]
{ "lo": -2.46, "mid": 0.47, "hi": 3.59 }
d79717
comb_count_partitions_v1_2051736721_5964
Let $a_1 = 2$ and $b_1 = 2$. Define $n_2 = a_1 + b_1$. Let $$ h = \sum_{k=0}^{n_2} (-1)^k \binom{n_2}{k}. $$ Let $a = 5$ and $b = 3$, and define $n_1 = a + b$. Let $$ c = \sum_{k_1=0}^{n_1} (-1)^{k_1} \binom{n_1}{k_1}. $$ Let $S$ be the set of all ordered pairs $(x_1, x_2)$ of positive odd integers such that $x_1 + x_2...
63,261
graphs = [ Graph( let={ "a1": Const(2), "b1": Const(2), "n2": Sum(Ref("a1"), Ref("b1")), "h": Summation(var="k", start=Const(0), end=Ref("n2"), expr=Mul(Pow(Const(-1), Var("k")), Binom(n=Ref("n2"), k=Var("k")))), "a": Const(5), "b": Con...
COMB
null
COUNT
sympy
COMB1
[ "COMB1/BINOMIAL_ALTERNATING" ]
e72f96
comb_count_partitions_v1
null
6
2
[ "BINOMIAL_ALTERNATING", "COMB1" ]
2
0.003
2026-02-08T18:52:42.771505Z
{ "verified": true, "answer": 63261, "timestamp": "2026-02-08T18:52:42.774327Z" }
7a3e5d
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 240, "completion_tokens": 1089 }, "timestamp": "2026-02-18T20:17:14.918Z", "answer": 63261 }, ...
1
[ { "lemma": "BINOMIAL_ALTERNATING", "status": "ok_later" }, { "lemma": "C2", "status": "no" }, { "lemma": "COMB1", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "V8", ...
{ "lo": -3.12, "mid": 1.47, "hi": 6.57 }
5255aa
sequence_lucas_compute_v1_784195855_2513
Let $n$ be the number of integers $t$ such that $27 \leq t \leq 111$ and there exist positive integers $a$ and $b$ with $1 \leq a \leq 8$, $1 \leq b \leq 3$, and $t = 6a + 21b$. Compute the $n$th Lucas number.
64,079
graphs = [ Graph( let={ "n": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=8)), Geq(left=Var(name='b'), right=Const(value=1...
NT
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
sequence_lucas_compute_v1
null
5
0
[ "LIN_FORM" ]
1
0.001
2026-02-08T05:49:20.814723Z
{ "verified": true, "answer": 64079, "timestamp": "2026-02-08T05:49:20.816184Z" }
0e9e8c
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 125, "completion_tokens": 2724 }, "timestamp": "2026-02-12T14:47:05.472Z", "answer": 64079 }, ...
1
[ { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "V3", "status": ...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
838938
modular_mod_compute_v1_677425708_209
Let $a = -222$ and $m = 35721$. Define $r$ to be the remainder when $a$ is divided by $m$, so $r = a \bmod m$. Let $S$ be the set of all integers $x$ such that $x^2 - 3883x + 289332 = 0$. Let $Q = \left( \sum_{x \in S} x \right) \cdot r \bmod 68455$. Compute $Q$.
42,702
graphs = [ Graph( let={ "_n": Const(2), "a": Const(-222), "m": Const(35721), "result": Mod(value=Ref("a"), modulus=Ref("m")), "Q": Mod(value=Mul(SumOverSet(set=SolutionsSet(var=Var("x"), condition=Eq(Sum(Pow(Var("x"), Ref("_n")), Mul(Const(-3883), ...
NT
null
COMPUTE
sympy
VIETA_SUM
[ "VIETA_SUM" ]
e2aa68
modular_mod_compute_v1
affine_mod
6
0
[ "VIETA_SUM" ]
1
0.002
2026-02-08T03:08:28.225633Z
{ "verified": true, "answer": 42702, "timestamp": "2026-02-08T03:08:28.227916Z" }
a49012
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 223, "completion_tokens": 1705 }, "timestamp": "2026-02-08T20:23:58.558Z", "answer": 42702 }, { "...
1
[ { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" }, { "lemma": "VIETA_SUM", "status": "ok" } ]
{ "lo": -0.53, "mid": 1.61, "hi": 3.47 }
553239
comb_count_surjections_v1_1419126231_1646
Let $k = 4$ and $R = k! \cdot S(7, k)$, where $S(7, k)$ is the Stirling number of the second kind. Let $A$ be the set of non-negative integers $a$ with $0 \le a \le 29790$ such that $$ f(a) = a^5 + a^4 + a^3 + 3a^2 + 4a \bmod 29791 $$ satisfies $f(f(a)) = a$ and $f(a) \ne a$. Let $m = |A|$, and define $$ s = \sum_{i=\s...
70,289
graphs = [ Graph( let={ "_n": Const(2), "n": Const(7), "k": Const(4), "result": Mul(Factorial(Ref("k")), Stirling2(n=Ref(name='n'), k=Ref(name='k'))), "_c": Const(70125), "Q": Sum(Summation(var="i", start=Summation(var="k1", start=Const...
COMB
null
COUNT
sympy
STARS_BARS
[ "POLY_ORBIT_HENSEL/BINOMIAL_ALTERNATING" ]
5ed5b4
comb_count_surjections_v1
digits_weighted_mod
6
0
[ "BINOMIAL_ALTERNATING", "POLY_ORBIT_HENSEL", "STARS_BARS" ]
3
6.684
2026-02-25T11:11:04.839129Z
{ "verified": true, "answer": 70289, "timestamp": "2026-02-25T11:11:11.522898Z" }
6d1530
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 368, "completion_tokens": 32768 }, "timestamp": "2026-03-30T13:24:24.116Z", "answer": null }, { ...
1
[ { "lemma": "BINOMIAL_ALTERNATING", "status": "ok_later" }, { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "POLY_ORBIT_HENSEL", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "...
{ "lo": 1.5, "mid": 4.69, "hi": 7.23 }
2e1f50
nt_count_coprime_v1_1520064083_1292
Compute the number of positive integers $n$ such that $1 \leq n \leq 71824$ and $\gcd(n, 3) = \phi(1)$, where $\phi$ denotes Euler's totient function.
47,883
graphs = [ Graph( let={ "upper": Const(71824), "k": Const(3), "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")), EulerPhi(n=Const(1)))))), }, goal=Ref("r...
NT
null
COUNT
sympy
ONE_PHI_1
[ "ONE_PHI_1" ]
f6b5a5
nt_count_coprime_v1
null
3
0
[ "ONE_PHI_1" ]
1
6.416
2026-02-08T03:54:41.865242Z
{ "verified": true, "answer": 47883, "timestamp": "2026-02-08T03:54:48.280750Z" }
fcd4e5
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 147, "completion_tokens": 533 }, "timestamp": "2026-02-18T06:53:35.904Z", "answer": 47883 } ]
2
[ { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "ONE_PHI_1", "status": "ok" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -10, "mid": -6.47, "hi": -2.95 }
6f0c55
modular_mod_compute_v1_153355830_2271
Find the remainder when $25281$ is divided by $76636$.
25,281
graphs = [ Graph( let={ "a": Const(25281), "m": Const(76636), "result": Mod(value=Ref("a"), modulus=Ref("m")), }, goal=Ref("result"), ) ]
NT
null
COMPUTE
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR" ]
bc3776
modular_mod_compute_v1
null
2
0
[ "MIN_PRIME_FACTOR" ]
1
0.008
2026-02-08T07:01:29.383113Z
{ "verified": true, "answer": 25281, "timestamp": "2026-02-08T07:01:29.391549Z" }
bc5009
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 62, "completion_tokens": 353 }, "timestamp": "2026-02-13T07:22:23.624Z", "answer": 25281 }, { ...
1
[ { "lemma": "L3b", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "V5", "status": "no" }, { "lemma": "V8", "status": "no" } ]
{ "lo": -7.01, "mid": -4.68, "hi": -2.15 }
0340d2
comb_sum_binomial_row_v1_784195855_4550
Let $n$ be the smallest integer greater than or equal to 2 that divides 4199. Compute $2^n$.
8,192
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(4199))))), "result": Pow(Const(2), Ref("n")), }, goal=Ref("result"), ) ]
NT
null
SUM
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR" ]
bc3776
comb_sum_binomial_row_v1
null
3
0
[ "MIN_PRIME_FACTOR" ]
1
0.001
2026-02-08T07:09:53.482174Z
{ "verified": true, "answer": 8192, "timestamp": "2026-02-08T07:09:53.482860Z" }
5b370f
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 73, "completion_tokens": 593 }, "timestamp": "2026-02-13T08:39:37.999Z", "answer": 8192 }, { ...
1
[ { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "st...
{ "lo": -5.55, "mid": -3.01, "hi": 0.32 }
2a1fdc
algebra_poly_eval_v1_1742523217_4349
Let $m = 3$ and let $n$ be the number of prime numbers $p$ such that $2 \leq p \leq 1399$. Let $k = 9$. Compute $$ \left( \sum_{\substack{j=1 \\ n \mid j}}^{1998} 1 \right) \cdot k^m + 6k^2 - 4k - 4. $$
7,007
graphs = [ Graph( let={ "_m": Const(3), "_n": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Const(1399)), IsPrime(Var("n"))))), "k": Const(9), "result": Sum(Mul(CountOverSet(set=SolutionsSet(var=Var("k"), cond...
NT
null
COMPUTE
sympy
COUNT_PRIMES
[ "COUNT_PRIMES/C2" ]
14681d
algebra_poly_eval_v1
null
5
0
[ "C2", "COUNT_PRIMES" ]
2
0.005
2026-02-08T07:12:58.188964Z
{ "verified": true, "answer": 7007, "timestamp": "2026-02-08T07:12:58.194030Z" }
c62d22
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": 1008 }, "timestamp": "2026-02-13T08:35:40.032Z", "answer": 7007 }, {...
1
[ { "lemma": "C2", "status": "ok_later" }, { "lemma": "COUNT_PRIMES", "status": "ok" }, { "lemma": "K15", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "V5", "status": "no" }, { "...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
c3fb61
algebra_poly_eval_v1_124444284_9362
Let $k$ be the number of nonnegative integers $j$ with $0 \leq j \leq 66561$ such that $\binom{66561}{j}$ is odd and $j \geq \sum_{i=0}^{1} (-1)^i \binom{\binom{9}{9}}{i}$. Compute the remainder when $44121 \cdot (3k^3 + 5k^2 - 2k - 3)$ is divided by $57307$.
18,179
graphs = [ Graph( let={ "_n": Const(3), "k": CountOverSet(set=SolutionsSet(var=Var("j"), condition=And(Geq(Var("j"), Summation(var="k", start=Const(0), end=Const(1), expr=Mul(Pow(Const(-1), Var("k")), Binom(n=Binom(n=Const(9), k=Const(9)), k=Var("k"))))), Leq(Var("j"), Const(66561)),...
COMB
null
COMPUTE
sympy
BINOMIAL_ALTERNATING
[ "BINOMIAL_ALTERNATING", "ONE_BINOM_N", "V8" ]
8ffec6
algebra_poly_eval_v1
null
6
0
[ "BINOMIAL_ALTERNATING", "ONE_BINOM_N", "V8" ]
3
0.005
2026-02-08T12:25:50.768495Z
{ "verified": true, "answer": 18179, "timestamp": "2026-02-08T12:25:50.773768Z" }
cbbc49
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 221, "completion_tokens": 1687 }, "timestamp": "2026-02-24T15:38:28.188Z", "answer": 18179 }, { "...
1
[ { "lemma": "BINOMIAL_ALTERNATING", "status": "ok" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "ONE_BINOM_N", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V5...
{ "lo": -2.35, "mid": 1.22, "hi": 4.84 }
2d5883
comb_catalan_compute_v1_677425708_1257
Let $n_1 = 0$. Define $v = \sum_{k=0}^{n_1} (-1)^k \binom{n_1}{k}$. Let $n = 11v$. Compute the $n$-th Catalan number.
58,786
graphs = [ Graph( let={ "n2": Const(0), "t": Summation(var="k", start=Summation(var="k", start=Const(0), end=Const(3), expr=Mul(Pow(Const(-1), Var("k")), Binom(n=Const(3), k=Var("k")))), end=Ref("n2"), expr=Mul(Pow(Const(-1), Var("k")), Binom(n=Ref("n2"), k=Var("k")))), "...
COMB
null
COMPUTE
sympy
BINOMIAL_ALTERNATING
[ "BINOMIAL_ALTERNATING" ]
c21569
comb_catalan_compute_v1
null
2
2
[ "BINOMIAL_ALTERNATING" ]
1
0.003
2026-02-08T04:03:02.250215Z
{ "verified": true, "answer": 58786, "timestamp": "2026-02-08T04:03:02.253039Z" }
83ed76
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 168, "completion_tokens": 1161 }, "timestamp": "2026-02-09T17:36:18.659Z", "answer": 58786 }, { "...
1
[ { "lemma": "BINOMIAL_ALTERNATING", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -3.83, "mid": -1.68, "hi": 1.09 }
29c8ea
nt_min_coprime_above_v1_124444284_9648
Let $a = 51984$ and $b = 52489$. Let $m = 495$. Consider the set of all integers $n$ such that $a < n \leq b$ and $\gcd(n, m) = 1$. Let $r$ be the smallest element of this set. Define $$ Q = \sum_{i=k}^{d-1} \left( \text{digit}_i(|r|) \cdot (i+1)^2 \right) + 24336, $$ where $k = \sum_{j=0}^{3} (-1)^j \binom{3}{j}$, $d ...
24,598
graphs = [ Graph( let={ "start": Const(51984), "upper": Const(52489), "modulus": Const(495), "result": MinOverSet(set=SolutionsSet(var=Var("n"), condition=And(Gt(Var("n"), Ref("start")), Leq(Var("n"), Ref("upper")), Eq(GCD(a=Var("n"), b=Ref("modulus")), Const(...
COMB
NT
EXTREMUM
sympy
BINOMIAL_ALTERNATING
[ "BINOMIAL_ALTERNATING" ]
c21569
nt_min_coprime_above_v1
null
4
0
[ "BINOMIAL_ALTERNATING" ]
1
0.061
2026-02-08T12:36:48.686049Z
{ "verified": true, "answer": 24598, "timestamp": "2026-02-08T12:36:48.747239Z" }
08372a
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 233, "completion_tokens": 1101 }, "timestamp": "2026-02-15T02:42:13.287Z", "answer": 24598 }, ...
1
[ { "lemma": "BINOMIAL_ALTERNATING", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "sta...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
e2be3e
comb_catalan_compute_v1_1918700295_2762
Let $N$ be the number of ordered pairs $(u,v)$ of integers such that $1\le u\le 64$ and $1\le v\le 72$. Let $n$ be the number of integers $t$ for which there exist integers $a$ and $b$ satisfying $$ 1\le a\le 5,\quad 1\le b\le 2,\quad 5\le t\le 16,\quad t=2a+3b. $$ Let $C_n$ be the $n$-th Catalan number. Let $M$ be th...
36,988
graphs = [ Graph( let={ "_m": Const(51480), "_n": CountOverSet(set=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(64)), right=IntegerRange(start=Const(1), end=Const(72)))), "n": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), ...
COMB
null
COMPUTE
sympy
COUNT_CARTESIAN
[ "COUNT_CARTESIAN/COMB1", "LIN_FORM" ]
824a4c
comb_catalan_compute_v1
negation_mod
6
0
[ "COMB1", "COUNT_CARTESIAN", "LIN_FORM" ]
3
0.004
2026-02-08T08:11:55.394606Z
{ "verified": true, "answer": 36988, "timestamp": "2026-02-08T08:11:55.398740Z" }
b5d879
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 324, "completion_tokens": 1414 }, "timestamp": "2026-02-24T09:01:34.229Z", "answer": 36988 }, { "...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COMB1", "status": "ok_later" }, { "lemma": "COUNT_CARTESIAN", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_...
{ "lo": -2.35, "mid": 1.22, "hi": 4.84 }
f2c5d2
algebra_poly_eval_v1_1520064083_2459
Let $a$ be the maximum value of $xy$ where $x$ and $y$ are positive integers such that $x + y = 6$. Compute $2a^2 + 2a + 8$.
188
graphs = [ Graph( let={ "_n": Const(8), "a": 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
COMPUTE
sympy
B1
[ "B1" ]
5b950e
algebra_poly_eval_v1
null
4
0
[ "B1" ]
1
0.001
2026-02-08T04:45:54.668324Z
{ "verified": true, "answer": 188, "timestamp": "2026-02-08T04:45:54.669541Z" }
4d340b
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 103, "completion_tokens": 395 }, "timestamp": "2026-02-11T21:57:15.293Z", "answer": 188 }, { "id": 11, ...
2
[ { "lemma": "B1", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "MOD_F...
{ "lo": -10, "mid": -7.73, "hi": -5.46 }
568f9c
nt_num_divisors_compute_v1_784195855_5322
Let $S$ be the set of all ordered pairs $(x, y)$ of positive integers such that $xy = 4000000$. Define $n$ to be the minimum value of $x + y$ over all pairs $(x, y) \in S$. Let $d(n)$ denote the number of positive divisors of $n$. Find the remainder when $16941 \cdot d(n)$ is divided by 64570.
19,164
graphs = [ Graph( let={ "_n": Const(16941), "n": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Mul(Var("x"), Var("y")), Const(4000000)))), expr=Sum(Var("x"), Var("y")...
NT
null
COMPUTE
sympy
B3
[ "B3" ]
0cd20d
nt_num_divisors_compute_v1
null
6
0
[ "B3" ]
1
0.005
2026-02-08T07:49:38.670203Z
{ "verified": true, "answer": 19164, "timestamp": "2026-02-08T07:49:38.675210Z" }
274d1f
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 137, "completion_tokens": 1717 }, "timestamp": "2026-02-13T12:32:43.570Z", "answer": 19164 }, ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "V5", "status": "no" }, { "lemma": "V8", "status": "no" } ]
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
314940
comb_factorial_compute_v1_1874849503_976
Let $n$ be the number of nonnegative integers $j$ such that $0 \leq j \leq 66056$ and $\binom{66056}{j}$ is odd. Compute $n!$.
40,320
graphs = [ Graph( let={ "_n": Const(2), "n": CountOverSet(set=SolutionsSet(var=Var("j"), condition=And(Geq(Var("j"), Const(0)), Leq(Var("j"), Const(66056)), Eq(Mod(value=Binom(n=Const(66056), k=Var("j")), modulus=Ref("_n")), Const(1))), domain='nonnegative_integers')), "r...
ALG
COMB
COMPUTE
sympy
V8
[ "V8" ]
86348e
comb_factorial_compute_v1
null
6
0
[ "V8" ]
1
0.002
2026-02-08T13:29:41.095882Z
{ "verified": true, "answer": 40320, "timestamp": "2026-02-08T13:29:41.097401Z" }
88288d
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 157, "completion_tokens": 911 }, "timestamp": "2026-02-09T23:16:21.990Z", "answer": 40320 }, { "i...
1
[ { "lemma": "K16", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "V5", "status": "no" }, { "lemma": "V8", "status": "ok" } ]
{ "lo": -2.35, "mid": 1.22, "hi": 4.84 }
fdcdbe
alg_poly4_count_v1_601307018_2643
Find the number of ordered pairs $(a, b)$ of positive integers with $1 \le a \le 359$ and $1 \le b \le \left|\{ (a_1, b_1) : a_1, b_1 \in \mathbb{Z}^+,\ 1 \le a_1, b_1 \le 20,\ 41a_1^2 + 20b_1^2 - 12a_1b_1 \le 14521 \}\right|$ such that $81a^4 = 132211504881$.
359
graphs = [ Graph( let={ "_n": Const(20), "result": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), Const(359)), Geq(Var("b"), Const(1)), Leq(Var("b"), CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a...
ALG
null
COUNT
sympy
QF_PSD_COUNT_LEQ
[ "QF_PSD_COUNT_LEQ" ]
009d0f
alg_poly4_count_v1
null
5
0
[ "QF_PSD_COUNT_LEQ" ]
1
2.886
2026-03-10T03:18:23.627297Z
{ "verified": true, "answer": 359, "timestamp": "2026-03-10T03:18:26.512997Z" }
fe1387
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 239, "completion_tokens": 17451 }, "timestamp": "2026-03-29T06:00:08.947Z", "answer": 359 }, { "i...
1
[ { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "QF_PSD_COUNT_LEQ", "status": "ok" } ]
{ "lo": -2.46, "mid": 1.23, "hi": 4.93 }
262b3b
sequence_count_fib_divisible_v1_1080341949_210
Let $S$ be the set of all ordered pairs $(x, y)$ of positive integers such that $xy = 197136$. Define $\text{sum}(x, y) = x + y$. Let $\text{upper}$ be the minimum value of $\text{sum}(x, y)$ over all $(x, y) \in S$. Let $d = 18$. Determine the value of $Q$, the number of positive integers $n$ such that $1 \leq n \leq ...
74
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(197136)))), expr=Sum(Var("x"), Var("y")))), "d": Const(1...
NT
null
COUNT
sympy
B3
[ "B3" ]
0cd20d
sequence_count_fib_divisible_v1
null
6
0
[ "B3" ]
1
0.041
2026-02-08T13:18:11.609206Z
{ "verified": true, "answer": 74, "timestamp": "2026-02-08T13:18:11.650463Z" }
b1b9f9
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 170, "completion_tokens": 2209 }, "timestamp": "2026-02-15T12:16:49.553Z", "answer": 74 }, { ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V3", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
a9e69d
antilemma_coprime_grid_v1_124444284_806
Compute the number of ordered pairs $(i, j)$ of integers such that $1 \leq i \leq 54$, $1 \leq j \leq 133$, and $\gcd(i, j) = 1$.
4,422
graphs = [ Graph( let={ "x": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=Eq(GCD(a=Var("i"), b=Var("j")), Const(1)), domain=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(54)), right=IntegerRange(start=Const(1), end=Const(133))))), }, ...
NT
COMB
COMPUTE
sympy
COUNT_COPRIME_GRID
[ "COUNT_COPRIME_GRID" ]
20ec03
antilemma_coprime_grid_v1
null
6
0
[ "COUNT_COPRIME_GRID" ]
1
0
2026-02-08T03:31:51.373447Z
{ "verified": true, "answer": 4422, "timestamp": "2026-02-08T03:31:51.373828Z" }
658f3e
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 165, "completion_tokens": 5268 }, "timestamp": "2026-02-09T06:17:20.724Z", "answer": 4422 }, { "...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "ok" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "V8", "status": "no" ...
{ "lo": -6.49, "mid": 0.51, "hi": 7.52 }
98bdab
nt_num_divisors_compute_v1_1125832087_66
Let $m = 576$. 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 satisfying $2 \leq n \leq s$. Let $\tau(n)$ denote the number of positive divisors of $n$. Compute $42436 - \tau(n)$.
42,434
graphs = [ Graph( let={ "_m": Const(576), "_n": Const(2), "n": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Ref("_n")), Leq(Var("n"), MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg...
NT
null
COMPUTE
sympy
B3
[ "B3/MAX_PRIME_BELOW" ]
f253c0
nt_num_divisors_compute_v1
null
4
0
[ "B3", "MAX_PRIME_BELOW" ]
2
0.002
2026-02-08T02:51:10.478992Z
{ "verified": true, "answer": 42434, "timestamp": "2026-02-08T02:51:10.480956Z" }
7bd383
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": 699 }, "timestamp": "2026-02-10T11:41:30.759Z", "answer": 42434 }, { "i...
2
[ { "lemma": "B3", "status": "ok" }, { "lemma": "K17", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok_later" }, { "l...
{ "lo": -9.16, "mid": -6.07, "hi": -3.82 }
9430ed
sequence_lucas_compute_v1_677425708_1923
Let $c=2$ and $m=65507$. Let $M$ be the smallest possible value of $x+y$ over all ordered pairs $(x,y)$ of positive integers satisfying $xy=1125721$. Consider all nonnegative integers $j$ with $0\le j\le 2122$ such that the binomial coefficient $\binom{M}{j}$ is odd. Let $N$ be the number of such integers $j$, and de...
17,368
graphs = [ Graph( let={ "_c": Const(2), "_m": Const(65507), "_n": Sum(CountOverSet(set=SolutionsSet(var=Var("j"), condition=And(Geq(Var("j"), Const(0)), Leq(Var("j"), Const(2122)), Eq(Mod(value=Binom(n=MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"...
ALG
COMB
COMPUTE
sympy
B3
[ "B3/V8/COMB1" ]
55bcb2
sequence_lucas_compute_v1
quadratic_mod
8
0
[ "B3", "COMB1", "V8" ]
3
0.005
2026-02-08T04:39:12.424228Z
{ "verified": true, "answer": 17368, "timestamp": "2026-02-08T04:39:12.428893Z" }
32211b
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 334, "completion_tokens": 19574 }, "timestamp": "2026-02-24T01:28:27.695Z", "answer": 17368 }, { ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COMB1", "status": "ok_later" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V8", "status": "ok_later" } ]
{ "lo": 2.14, "mid": 3.65, "hi": 5.01 }
6916b8
algebra_poly_eval_v1_1520064083_675
Let $z$ be the minimum value of $x + y$ where $x$ and $y$ are positive integers such that $xy = 144$. Compute the value of $10z^2 - z - 2$.
5,734
graphs = [ Graph( let={ "_n": Const(2), "z": 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(144)))), expr=Sum(Var("x"), Var("y")))), ...
NT
null
COMPUTE
sympy
B3
[ "B3" ]
0cd20d
algebra_poly_eval_v1
null
3
0
[ "B3" ]
1
0.001
2026-02-08T03:31:42.099178Z
{ "verified": true, "answer": 5734, "timestamp": "2026-02-08T03:31:42.100512Z" }
3901f0
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": 455 }, "timestamp": "2026-02-10T14:56:50.954Z", "answer": 5734 }, { "id...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" ...
{ "lo": -9.14, "mid": -6.05, "hi": -3.74 }
25cbdf
nt_sum_totient_over_divisors_v1_124444284_1099
Let $n = 41399$. Define $\sigma = \sum_{d \mid n} \phi(d)$, where $\phi$ denotes Euler's totient function. Let $c$ be the minimum value of $x + y$ over all ordered pairs $(x, y)$ of positive integers such that $xy = 62500$. Compute the remainder when $c - \sigma$ is divided by 86088.
45,189
graphs = [ Graph( let={ "_n": Const(62500), "n": Const(41399), "result": SumOverDivisors(n=Ref(name='n'), var='d', expr=EulerPhi(n=Var(name='d'))), "_c": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPosit...
NT
null
COMPUTE
sympy
B3
[ "B3" ]
fc629c
nt_sum_totient_over_divisors_v1
negation_mod
6
0
[ "B3" ]
1
0.002
2026-02-08T03:41:05.707126Z
{ "verified": true, "answer": 45189, "timestamp": "2026-02-08T03:41:05.709436Z" }
fc4bc1
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 202, "completion_tokens": 762 }, "timestamp": "2026-02-09T09:43:18.996Z", "answer": 45189 }, { "...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "K14", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" } ]
{ "lo": -3.42, "mid": 1.86, "hi": 7.55 }
6992fc
comb_binomial_compute_v1_717093673_657
Let $n_2 = 0$. Define $w = \sum_{k_1=0}^{n_2} (-1)^{k_1} \binom{n_2}{k_1}$. Let $a = 4$ and $b = 2$, and define $n_1 = a + b$. Define $h = \sum_{k_2=0}^{n_1} (-1)^{k_2} \binom{n_1}{k_2}$. Let $n = 12w$. Let $k$ be $h$ plus the number of integers $t$ such that $15 \leq t \leq 36$ and there exist integers $a$ and $b$ wit...
924
graphs = [ Graph( let={ "n2": Const(0), "w": Summation(var="k1", start=Const(0), end=Ref("n2"), expr=Mul(Pow(Const(-1), Var("k1")), Binom(n=Ref("n2"), k=Var("k1")))), "a": Const(4), "b": Const(2), "n1": Sum(Ref("a"), Ref("b")), "h": Sum...
COMB
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM/BINOMIAL_ALTERNATING" ]
bebeab
comb_binomial_compute_v1
null
4
2
[ "BINOMIAL_ALTERNATING", "LIN_FORM" ]
2
0.004
2026-02-08T15:35:36.098658Z
{ "verified": true, "answer": 924, "timestamp": "2026-02-08T15:35:36.102856Z" }
341a46
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 316, "completion_tokens": 863 }, "timestamp": "2026-02-24T18:14:52.904Z", "answer": 924 }, { "id...
1
[ { "lemma": "BINOMIAL_ALTERNATING", "status": "ok_later" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { ...
{ "lo": -8, "mid": -4.75, "hi": -2.28 }
783a10
geo_count_lattice_triangle_v1_1918700295_4320
Let $A$ be the area of the triangle with vertices at $(0,0)$, $(169,66)$, and $(43,128)$, multiplied by $2$. Let $B$ be the number of lattice points on the boundary of this triangle, computed as the sum of the greatest common divisors of the absolute differences of coordinates along each edge: \begin{align*} B = &\gcd(...
14,940
graphs = [ Graph( let={ "_m": Const(169), "_n": Const(66), "area_2x": Abs(arg=Sum(Mul(Const(value=169), Const(value=128)), Mul(Const(value=43), Sub(left=Const(value=0), right=Const(value=66))))), "boundary": Sum(GCD(a=Abs(arg=Ref(name='_m')), b=Abs(arg=Ref(nam...
NT
null
COUNT
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR", "C4" ]
90e51f
geo_count_lattice_triangle_v1
null
6
0
[ "C4", "MIN_PRIME_FACTOR" ]
2
0.007
2026-02-08T09:17:41.766115Z
{ "verified": true, "answer": 14940, "timestamp": "2026-02-08T09:17:41.773115Z" }
bbe70f
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 248, "completion_tokens": 1294 }, "timestamp": "2026-02-14T02:25:43.786Z", "answer": 14940 }, ...
1
[ { "lemma": "C4", "status": "ok" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "V3", "status": "no"...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
76eae5
algebra_vieta_sum_v1_124444284_5196
Let $S$ be the set of all real numbers $x$ such that $$ 2x^3 - 6x^2 - 122x + 126 = 0. $$ Compute the sum of all elements of $S$.
3
graphs = [ Graph( let={ "result": SumOverSet(set=SolutionsSet(var=Var("x"), condition=Eq(Sum(Mul(Const(2), Pow(Var("x"), Const(3))), Mul(Const(-6), Pow(Var("x"), Const(2))), Mul(Const(-122), Var("x")), Const(126)), Const(0)))), }, goal=Ref("result"), ) ]
NT
null
COMPUTE
sympy
B3
[ "B3" ]
0cd20d
algebra_vieta_sum_v1
null
4
0
[ "B3" ]
1
0.022
2026-02-08T06:26:49.524682Z
{ "verified": true, "answer": 3, "timestamp": "2026-02-08T06:26:49.546666Z" }
a9407a
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 1, "correct": { "strict": false, "boxed": false, "relaxed": true }, "usage": { "prompt_tokens": 111, "completion_tokens": 945 }, "timestamp": "2026-02-15T17:32:57.805Z", "answer": 4 }, { "id": 11, ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "K13", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "V1", "status": "no" } ]
{ "lo": -7.01, "mid": -4.68, "hi": -2.15 }
79950f
algebra_poly_eval_v1_1520064083_8791
Let $z = 5$ and $n = 19$. Let $k$ be the number of positive integers $p$ for which there exists a positive integer $q > p$ such that $pq = 216$ and $\gcd(p, q) = 1$. Define $$ \text{result} = \frac{20z^4 + nz^3 - 13z^k + 28z - 32}{21}. $$ Compute the remainder when $44121 \cdot \text{result}$ is divided by $71249$.
16,890
graphs = [ Graph( let={ "_n": Const(19), "z": Const(5), "result": Div(Sum(Mul(Const(20), Pow(Ref("z"), Const(4))), Mul(Ref("_n"), Pow(Ref("z"), Const(3))), Mul(Const(-13), Pow(Ref("z"), CountOverSet(set=SolutionsSet(var=Var("p"), condition=And(IsPositive(arg=Var(name='p')...
NT
null
COMPUTE
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS" ]
2bb3aa
algebra_poly_eval_v1
null
5
0
[ "COPRIME_PAIRS" ]
1
0.003
2026-02-08T10:23:33.299515Z
{ "verified": true, "answer": 16890, "timestamp": "2026-02-08T10:23:33.302364Z" }
060616
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": 1735 }, "timestamp": "2026-02-14T07:14:46.595Z", "answer": 16890 }, ...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "K13", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" } ]
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
484416
modular_mod_compute_v1_717093673_4049
Let $A$ be the set of all integers $t$ such that $18 \leq t \leq 216$ and there exist integers $a$, $b$ with $1 \leq a \leq 2$, $1 \leq b \leq 47$, and $t = 14a + 4b$. Let $N = |A|$. Let $M$ be the set of all ordered pairs $(x,y)$ of positive integers such that $x + y = N$, and define $m$ to be the maximum value of $xy...
1,951
graphs = [ Graph( let={ "a": Const(12996), "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")), CountOverSet(set=SolutionsSet(var=Var("t"), con...
NT
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM/B1" ]
b32639
modular_mod_compute_v1
null
5
0
[ "B1", "LIN_FORM" ]
2
0.007
2026-02-08T18:01:53.622983Z
{ "verified": true, "answer": 1951, "timestamp": "2026-02-08T18:01:53.629747Z" }
025816
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 183, "completion_tokens": 1841 }, "timestamp": "2026-02-18T12:19:07.381Z", "answer": 1951 }, {...
1
[ { "lemma": "B1", "status": "ok_later" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V5", "status": "no" }, { ...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
5be24b
comb_count_partitions_v1_1353956133_331
Let $n$ be the smallest integer greater than or equal to 2 that divides 82861. Compute the number of integer partitions of $n$. Then, find the smallest positive integer $k$ such that the $k$-th Fibonacci number is divisible by the sum of this partition number and 2. Compute $k$.
2,280
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(82861))))), "result": Partition(arg=Ref(name='n')), "Q": FibonacciEntryPoint(modulus=Sum(Abs...
NT
COMB
COUNT
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR" ]
bc3776
comb_count_partitions_v1
null
7
0
[ "MIN_PRIME_FACTOR" ]
1
0.001
2026-02-08T11:25:02.293304Z
{ "verified": true, "answer": 2280, "timestamp": "2026-02-08T11:25:02.294455Z" }
dee8dc
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": 3075 }, "timestamp": "2026-02-14T13:41:15.415Z", "answer": 2280 }, {...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_C...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
9a54e1
sequence_fibonacci_compute_v1_1978505735_1021
Let $n$ be the number of positive integers $k$ such that $1 \leq k \leq 320$, $8$ divides $k$, and $\gcd(k, 21) = 1$. Compute the $n$-th Fibonacci number, where $F_1 = 1$, $F_2 = 1$, and $F_m = F_{m-1} + F_{m-2}$ for $m \geq 3$.
28,657
graphs = [ Graph( let={ "_n": Const(8), "n": CountOverSet(set=SolutionsSet(var=Var("n1"), condition=And(Geq(Var("n1"), Const(1)), Leq(Var("n1"), Const(320)), Divides(divisor=Ref("_n"), dividend=Var("n1")), Eq(GCD(a=Var("n1"), b=Const(21)), Const(1))))), "result": Fibonacc...
NT
null
COMPUTE
sympy
C5
[ "C5" ]
1d9668
sequence_fibonacci_compute_v1
null
3
0
[ "C5" ]
1
0.002
2026-02-08T15:44:42.186490Z
{ "verified": true, "answer": 28657, "timestamp": "2026-02-08T15:44:42.188019Z" }
3c3fb4
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 143, "completion_tokens": 937 }, "timestamp": "2026-02-16T13:03:17.043Z", "answer": 28657 }, {...
1
[ { "lemma": "C5", "status": "ok" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "V3", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
13a7c7
lin_form_endings_v1_1080341949_41
Let $a = 42$, $b = 12$, $A = 5$, and $B = 27$. Let $g$ be the greatest common divisor of $a$ and $b$. Define $a' = \left\lfloor \frac{a}{g} \right\rfloor$ and $b' = \left\lfloor \frac{b}{g} \right\rfloor$. Let $s = a'A + b'B - a'b'$. Compute the remainder when $16611 \cdot s$ is divided by $54670$.
43,085
graphs = [ Graph( let={ "a_coeff": Const(42), "b_coeff": Const(12), "A_val": Const(5), "B_val": Const(27), "g_step": GCD(a=Ref("a_coeff"), b=Ref("b_coeff")), "ap_node": Floor(Div(Ref("a_coeff"), Ref("g_step"))), "bp_node": F...
COMB
NT
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
lin_form_endings_v1
null
2
null
[ "LIN_FORM" ]
1
0.001
2026-02-08T13:09:40.643886Z
{ "verified": true, "answer": 43085, "timestamp": "2026-02-08T13:09:40.645330Z" }
fc7b7f
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 163, "completion_tokens": 1191 }, "timestamp": "2026-02-15T10:41:08.433Z", "answer": 43085 }, ...
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": -5.49, "mid": 0.22, "hi": 6.51 }
9e9f3f
sequence_fibonacci_compute_v1_1978505735_1681
Let $t$ be an integer. Let $n$ be the number of values of $t$ in the range $7 \leq t \leq 33$ for which there exist integers $a$ and $b$ with $1 \leq a \leq 7$, $1 \leq b \leq 3$, and $t = 3a + 4b$. Let $F_n$ denote the $n$th Fibonacci number, where $F_1 = F_2 = 1$ and $F_k = F_{k-1} + F_{k-2}$ for $k \geq 3$. Compute ...
3,673
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=7)), Geq(left=Var(name='b'), right=Const(value=1...
NT
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
sequence_fibonacci_compute_v1
null
4
0
[ "LIN_FORM" ]
1
0.003
2026-02-08T16:21:17.159856Z
{ "verified": true, "answer": 3673, "timestamp": "2026-02-08T16:21:17.162774Z" }
b08fca
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 198, "completion_tokens": 1742 }, "timestamp": "2026-02-17T01:00:34.314Z", "answer": 3673 }, {...
1
[ { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8_SUM", "status":...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
bef3ff
nt_count_divisors_in_range_v1_1918700295_505
Let $n = 498960$. Let $a$ be the minimum value of $x + y$ over all pairs of positive integers $(x, y)$ such that $xy = 64$. Determine the number of positive divisors $d$ of $n$ such that $a \leq d \leq 2318$.
121
graphs = [ Graph( let={ "n": Const(498960), "a": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Mul(Var("x"), Var("y")), Const(64)))), expr=Sum(Var("x"), Var("y")))), ...
NT
null
COUNT
sympy
COPRIME_PAIRS
[ "B3" ]
0cd20d
nt_count_divisors_in_range_v1
null
4
0
[ "B3", "COPRIME_PAIRS" ]
2
0.32
2026-02-08T03:17:30.822416Z
{ "verified": true, "answer": 121, "timestamp": "2026-02-08T03:17:31.142700Z" }
c39d12
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 180, "completion_tokens": 6526 }, "timestamp": "2026-02-10T13:10:58.954Z", "answer": 121 }, { "i...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "V1", "status": "no" } ]
{ "lo": -3.49, "mid": 1.84, "hi": 7.55 }
745233
modular_modexp_compute_v1_124444284_999
Let $j_0$ be the smallest nonnegative integer such that $j_0 \geq \sum_{d \mid \gcd(75,60)} \mu(d)$, where $\mu$ denotes the Möbius function. Consider the set of all nonnegative integers $j$ such that $j_0 \leq j \leq 45$ and $\binom{45}{j}$ is odd. Let $e$ be the sum of all elements in this set. Compute the remainder ...
7,263
graphs = [ Graph( let={ "_n": Const(91855), "a": Const(17), "e": SumOverSet(set=SolutionsSet(var=Var("j"), condition=And(Geq(Var("j"), SumOverDivisors(n=GCD(a=Const(value=75), b=Const(value=60)), var='d', expr=MoebiusMu(n=Var(name='d')))), Leq(Var("j"), Const(45)), Eq(Mod...
NT
null
COMPUTE
sympy
MOBIUS_COPRIME
[ "MOBIUS_COPRIME", "V8" ]
0d4771
modular_modexp_compute_v1
null
6
0
[ "MOBIUS_COPRIME", "V8" ]
2
0.002
2026-02-08T03:38:38.083043Z
{ "verified": true, "answer": 7263, "timestamp": "2026-02-08T03:38:38.084722Z" }
eb3748
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 250, "completion_tokens": 3873 }, "timestamp": "2026-02-10T01:06:55.162Z", "answer": 64039 }, { ...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MOBIUS_COPRIME", "status": "ok" },...
{ "lo": 1.69, "mid": 5.03, "hi": 8.38 }
884226
comb_count_derangements_v1_48377204_254
Let $n$ be the number of positive integers $p$ such that $p < q$, $pq = 5250$, and $\gcd(p, q) = 1$ for some integer $q$. Let $D$ be the number of derangements of $n$ elements. Find $24649 - D$.
9,816
graphs = [ Graph( let={ "n": CountOverSet(set=SolutionsSet(var=Var("p"), condition=And(IsPositive(arg=Var(name='p')), Exists(var=Var(name='q'), condition=And(Eq(left=Mul(Var(name='p'), Var(name='q')), right=Const(value=5250)), Eq(left=GCD(a=Var(name='p'), b=Var(name='q')), right=Const(value=1)),...
NT
COMB
COUNT
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS" ]
2bb3aa
comb_count_derangements_v1
null
5
0
[ "COPRIME_PAIRS" ]
1
0.004
2026-02-08T15:19:15.128225Z
{ "verified": true, "answer": 9816, "timestamp": "2026-02-08T15:19:15.131812Z" }
6db8ef
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": 1705 }, "timestamp": "2026-02-16T03:05:47.211Z", "answer": 9816 }, {...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "L3c", ...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
93792b
diophantine_fbi2_count_v1_677425708_3419
Define $$ k = \sum_{k=1}^{15} \varphi(k) \left\lfloor \frac{15}{k} \right\rfloor, $$ where $\varphi$ denotes Euler's totient function. Let $S$ be the set of all integers $d$ such that $4 \leq d \leq 114$, $d$ divides $k$, and $6 \leq \frac{k}{d} \leq 116$. Let $r$ be the number of elements in $S$. Compute the remainder...
23,730
graphs = [ Graph( let={ "k": Summation(var="k", start=Const(1), end=Const(15), expr=Mul(EulerPhi(n=Var("k")), Floor(Div(Const(15), Var("k"))))), "result": CountOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(4)), Leq(Var("d"), Const(114)), Divides(divisor=Var...
NT
null
COUNT
sympy
COUNT_PRIMES
[ "COUNT_PRIMES", "K2" ]
54ac42
diophantine_fbi2_count_v1
null
7
0
[ "COUNT_PRIMES", "K2" ]
2
0.027
2026-02-08T05:41:54.697705Z
{ "verified": true, "answer": 23730, "timestamp": "2026-02-08T05:41:54.724248Z" }
f51555
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 171, "completion_tokens": 1229 }, "timestamp": "2026-02-12T13:55:57.984Z", "answer": 23730 }, ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "ok" }, { "lemma": "K2", "status": "ok" }, { "lemma": "K5", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V1", "status": "no" }, { ...
{ "lo": -5.55, "mid": -3.01, "hi": 0.32 }
63a748
nt_count_digit_sum_v1_153355830_2262
Let $\alpha$ be the number of ordered pairs $(p,q)$ of positive integers such that $pq = 36$, $\gcd(p,q) = 1$, and $p < q$. Let $U$ be the set of all positive integers $x$ such that $$ x^\alpha - 9999x + 69944 = 0. $$ Let $u$ be the sum of all elements of $U$. Determine the number of positive integers $n$ such that $...
633
graphs = [ Graph( let={ "upper": SumOverSet(set=SolutionsSet(var=Var("x"), condition=Eq(Sum(Pow(Var("x"), CountOverSet(set=SolutionsSet(var=Var("p"), condition=And(IsPositive(arg=Var(name='p')), Exists(var=Var(name='q'), condition=And(Eq(left=Mul(Var(name='p'), Var(name='q')), right=Const(value=...
NT
null
COUNT
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS/VIETA_SUM" ]
815fe1
nt_count_digit_sum_v1
null
6
0
[ "COPRIME_PAIRS", "VIETA_SUM" ]
2
1.913
2026-02-08T07:01:26.442515Z
{ "verified": true, "answer": 633, "timestamp": "2026-02-08T07:01:28.355566Z" }
3d4d21
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 175, "completion_tokens": 2297 }, "timestamp": "2026-02-13T07:24:05.516Z", "answer": 633 }, { ...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" ...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
09c2d5
nt_count_divisible_v1_1526740231_108
Let $S$ be the set of all ordered pairs $(x, y)$ of positive integers such that $x + y = 26$. Let $P$ be the maximum value of $xy$ as $(x, y)$ ranges over $S$. Let $T$ be the set of all ordered pairs $(x, y)$ of positive integers such that $xy = P$. Let $d$ be the minimum value of $x + y$ as $(x, y)$ ranges over $T$. L...
1,191
graphs = [ Graph( let={ "upper": Const(30976), "divisor": 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")), MaxOverSet(set=MapOverSet(set=Solutio...
NT
null
COUNT
sympy
B1
[ "B1/B3" ]
80b49d
nt_count_divisible_v1
null
5
0
[ "B1", "B3" ]
2
1.085
2026-02-08T11:21:06.417035Z
{ "verified": true, "answer": 1191, "timestamp": "2026-02-08T11:21:07.501913Z" }
ef52a4
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 212, "completion_tokens": 391 }, "timestamp": "2026-02-15T21:47:32.283Z", "answer": 182 }, { "id": 11, ...
1
[ { "lemma": "B1", "status": "ok" }, { "lemma": "B3", "status": "ok_later" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "V5", "status": "no" }, { ...
{ "lo": -6.96, "mid": -4.56, "hi": -1.46 }
287a76
algebra_quadratic_discriminant_v1_784195855_3368
Let $n=2$, and let $a=2$, $b=16$, and $c=-40$. Consider the quadratic expression \[ ax^2+bx+c. \] Let $N$ be the number of positive integers $p$ for which there exists a positive integer $q$ such that \[ pq=72, \quad \gcd(p,q)=1, \quad \text{and} \quad p<q. \] Let $D$ be the value of $b^{N}-4ac$. Define \[ \text{result...
3,299
graphs = [ Graph( let={ "_n": Const(2), "a": Const(2), "b": Const(16), "c": Const(-40), "D": Sub(Pow(Ref("b"), CountOverSet(set=SolutionsSet(var=Var("p"), condition=And(IsPositive(arg=Var(name='p')), Exists(var=Var(name='q'), condition=And(Eq(left=...
NT
null
COMPUTE
sympy
B3
[ "B3/B1", "COPRIME_PAIRS" ]
4a9d53
algebra_quadratic_discriminant_v1
quadratic_mod
7
0
[ "B1", "B3", "COPRIME_PAIRS" ]
3
0.014
2026-02-08T06:22:36.617237Z
{ "verified": true, "answer": 3299, "timestamp": "2026-02-08T06:22:36.630835Z" }
a5f7c0
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 337, "completion_tokens": 1554 }, "timestamp": "2026-02-12T23:26:12.144Z", "answer": 3299 }, {...
1
[ { "lemma": "B1", "status": "ok_later" }, { "lemma": "B3", "status": "ok" }, { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma":...
{ "lo": -7.01, "mid": -4.68, "hi": -2.15 }
2c7038
sequence_fibonacci_compute_v1_579913215_68
Let $n = \sum_{k=1}^{6} k$. Compute the $n$-th Fibonacci number, denoted $F_n$, where $F_1 = 1$, $F_2 = 1$, and $F_k = F_{k-1} + F_{k-2}$ for $k \geq 3$. Find the remainder when $44121 \cdot F_n$ is divided by $93350$.
48,916
graphs = [ Graph( let={ "_n": Const(6), "n": Summation(var="k", start=Const(1), end=Ref("_n"), expr=Var("k")), "result": Fibonacci(arg=Ref(name='n')), "Q": Mod(value=Mul(Const(44121), Ref("result")), modulus=Const(93350)), }, goal=Ref("Q"), ...
NT
null
COMPUTE
sympy
SUM_ARITHMETIC
[ "SUM_ARITHMETIC" ]
eb34f0
sequence_fibonacci_compute_v1
null
2
0
[ "SUM_ARITHMETIC" ]
1
0.001
2026-02-08T12:50:39.404011Z
{ "verified": true, "answer": 48916, "timestamp": "2026-02-08T12:50:39.405373Z" }
db3ef4
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 138, "completion_tokens": 2097 }, "timestamp": "2026-02-15T06:13:13.178Z", "answer": 48916 }, ...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "SUM_ARITHMETIC", "status": "ok" }, { "lemma": "V8", "status": "...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
d84c0c
nt_sum_divisors_mod_v1_1742523217_5730
Let $S$ be the set of all ordered pairs $(x, y)$ of positive integers such that $xy = 396900$. Define $n$ to be the minimum value of $x + y$ over all such pairs. Let $\sigma$ be the sum of all positive divisors of $n$. Find the remainder when $\sigma$ is divided by $11897$.
4,368
graphs = [ Graph( let={ "n": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Mul(Var("x"), Var("y")), Const(396900)))), expr=Sum(Var("x"), Var("y")))), "M": Const(11897...
NT
null
COMPUTE
sympy
B3
[ "B3" ]
0cd20d
nt_sum_divisors_mod_v1
null
5
0
[ "B3" ]
1
0.004
2026-02-08T11:12:37.453195Z
{ "verified": true, "answer": 4368, "timestamp": "2026-02-08T11:12:37.457143Z" }
4daecf
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": 1555 }, "timestamp": "2026-02-14T10:43:34.672Z", "answer": 4368 }, {...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "K15", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V3", "status": "no" } ]
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
365c78
comb_factorial_compute_v1_971394319_1241
Let $n$ be the sum of all real solutions $x$ to the equation $x^2 - 7x - 60 = 0$. Let $Q = 49209 \cdot n!$. Compute the remainder when $Q$ is divided by $84605$.
36,105
graphs = [ Graph( let={ "_n": Const(84605), "n": SumOverSet(set=SolutionsSet(var=Var("x"), condition=Eq(Sum(Pow(Var("x"), Const(2)), Mul(Const(-7), Var("x")), Const(-60)), Const(0)))), "result": Factorial(Ref("n")), "Q": Mod(value=Mul(Const(49209), Ref("result...
ALG
COMB
COMPUTE
sympy
VIETA_SUM
[ "VIETA_SUM" ]
b33a7a
comb_factorial_compute_v1
null
3
0
[ "VIETA_SUM" ]
1
0.001
2026-02-08T13:32:29.255268Z
{ "verified": true, "answer": 36105, "timestamp": "2026-02-08T13:32:29.256680Z" }
2c4f9d
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 1, "correct": { "strict": false, "boxed": false, "relaxed": true }, "usage": { "prompt_tokens": 169, "completion_tokens": 32768 }, "timestamp": "2026-02-24T18:41:12.493Z", "answer": null }, { ...
1
[ { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "VIETA_SUM", "status": "ok" } ]
{ "lo": 1.15, "mid": 4.18, "hi": 6.61 }
88d838
diophantine_product_count_v1_2051736721_3905
Let $k = 420$ and $\text{upper} = 329$. Define $\text{result}$ to be the number of positive integers $x$ such that $1 \le x \le \text{upper}$, $x$ divides $k$, and $\frac{k}{x} \le \text{upper}$. Let $Q = \text{result} + \phi(|\text{result}| + 1) + \tau(|\text{result}| + 1)$, where $\phi$ denotes Euler's totient functi...
46
graphs = [ Graph( let={ "k": Const(420), "upper": Const(329), "result": CountOverSet(set=SolutionsSet(var=Var("x"), condition=And(Geq(Var("x"), Const(1)), Leq(Var("x"), Ref("upper")), Divides(divisor=Var("x"), dividend=Ref("k")), Leq(Div(Ref("k"), Var("x")), Ref("upper"))...
NT
null
COUNT
sympy
B3
[ "B3" ]
0cd20d
diophantine_product_count_v1
null
4
0
[ "B3" ]
1
0.058
2026-02-08T17:37:08.186482Z
{ "verified": true, "answer": 46, "timestamp": "2026-02-08T17:37:08.244231Z" }
e0fcbe
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 178, "completion_tokens": 1339 }, "timestamp": "2026-02-18T05:00:15.578Z", "answer": 46 }, { ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "K15", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8_SUM", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
e2f2dd
nt_gcd_compute_v1_1080341949_375
Let $a = 292065$ and $b = 642543$. Let $g = \gcd(a, b)$. Let $s$ be the sum of $d_i \cdot (i+1)^2$ over all digits $d_i$ of $|g|$, where the digits are indexed from right to left starting at position $0$. Let $t$ be the sum of $\varphi(d)$ over all positive divisors $d$ of $5041$. Compute $s + t$.
5,337
graphs = [ Graph( let={ "_n": Const(5041), "a": Const(292065), "b": Const(642543), "result": GCD(a=Ref("a"), b=Ref("b")), "Q": Sum(Summation(var="i", start=Const(0), end=Sub(NumDigits(x=Abs(arg=Ref(name='result')), base=None), Const(1)), expr=Mul(D...
NT
null
COMPUTE
sympy
K3
[ "K3" ]
57059b
nt_gcd_compute_v1
digits_weighted_mod
4
0
[ "K3" ]
1
0.004
2026-02-08T13:27:17.697743Z
{ "verified": true, "answer": 5337, "timestamp": "2026-02-08T13:27:17.701804Z" }
0ddbfb
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 151, "completion_tokens": 1053 }, "timestamp": "2026-02-15T16:09:13.099Z", "answer": 5337 }, {...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K3", "status": "ok" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" } ]
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
3f31d9
nt_count_coprime_and_v1_1978505735_2646
Let $n$ be a positive integer such that $1 \leq n \leq 78810$, $\gcd(n, 4) = 1$, and $\gcd(n, 9) = 1$. Let $A$ be the number of such integers $n$. Let $B$ be the sum of all real solutions $x$ to the equation $x^2 - 729x + 62900 = 0$. Compute the remainder when $A^2 + 43A + B$ is divided by $78526$.
57,387
graphs = [ Graph( let={ "upper": Const(78810), "k1": Const(4), "k2": Const(9), "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("k1")), Const(1)), Eq(GCD(a=Var("n...
NT
null
COUNT
sympy
VIETA_SUM
[ "VIETA_SUM" ]
833c91
nt_count_coprime_and_v1
quadratic_mod
5
0
[ "VIETA_SUM" ]
1
8.465
2026-02-08T17:02:23.266950Z
{ "verified": true, "answer": 57387, "timestamp": "2026-02-08T17:02:31.731848Z" }
6bb3c0
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": 1693 }, "timestamp": "2026-02-17T18:36:40.530Z", "answer": 57387 }, ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "V8_SUM", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" }, { "lemma": "VIETA_SUM", "status": "ok" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
d68c13
antilemma_sum_equals_v1_151522320_1815
Let $n$ be the number of integers $t$ such that $14 \leq t \leq 102$ and there exist positive integers $a$ and $b$ with $1 \leq a \leq 7$, $1 \leq b \leq 8$, and $t = 10a + 4b$. Determine the value of the number of ordered pairs $(i, j)$ of integers with $1 \leq i \leq 40$ and $1 \leq j \leq 40$ such that $i + j = n$.
40
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=7)), Geq(left=Var(name='b'), right=Const(value=...
COMB
GEOM
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM/COUNT_SUM_EQUALS", "COUNT_SUM_EQUALS" ]
ada383
antilemma_sum_equals_v1
null
4
0
[ "COUNT_SUM_EQUALS", "LIN_FORM" ]
2
0.047
2026-02-08T04:23:38.899797Z
{ "verified": true, "answer": 40, "timestamp": "2026-02-08T04:23:38.946505Z" }
25ca29
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 1, "correct": { "strict": false, "boxed": false, "relaxed": true }, "usage": { "prompt_tokens": 236, "completion_tokens": 32768 }, "timestamp": "2026-02-24T00:39:20.748Z", "answer": null }, { ...
1
[ { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "statu...
{ "lo": -3.83, "mid": -1.68, "hi": 1.09 }
193f50
comb_factorial_compute_v1_601307018_9876
Let $S = \min\left\{ -84a_1^2b_1 + 54a_1b_1^2 + 72a_1^3 - 7b_1^3 : a_1, b_1 \in \mathbb{Z}^+,\, 1 \le a_1 \le 5,\, 1 \le b_1 \le 5 \right\}$. Let $n$ be the number of ordered pairs $(a, b)$ of positive integers with $1 \le a \le S$ and $1 \le b \le 35$ such that $25b^2 + 9a^2 + 30ab = 12769$. Let $R = n!$. Find the rem...
31,784
graphs = [ Graph( let={ "_m": Const(74014), "_n": Const(9), "n": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a1"), Var("b1"...
COMB
null
COMPUTE
sympy
POLY3_MIN
[ "POLY3_MIN/QF_PSD_COUNT" ]
f192ae
comb_factorial_compute_v1
null
6
0
[ "POLY3_MIN", "QF_PSD_COUNT" ]
2
0.004
2026-03-10T10:16:16.462088Z
{ "verified": true, "answer": 31784, "timestamp": "2026-03-10T10:16:16.466266Z" }
be7064
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 289, "completion_tokens": 3760 }, "timestamp": "2026-04-19T12:20:30.274Z", "answer": 31784 }, { ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "POLY3_MIN", "status": "ok" }, { "lemma": "QF_PSD_COUNT", "status": "ok_later" }, { "lemma": "V7", "st...
{ "lo": -5.34, "mid": 1.1, "hi": 7.53 }
576493
algebra_quadratic_discriminant_v1_971394319_341
Let $a = 3$, $b = -4$, and $n = 2$. Let $s$ be the sum of all real solutions $x$ to the equation $x^2 - 4x - 320 = 0$. Define $\text{result} = b^n - a \cdot s \cdot 12$, and let $Q$ be the remainder when $43883 \cdot \text{result}$ is divided by $73032$. Compute $Q$.
6,440
graphs = [ Graph( let={ "_n": Const(2), "a": Const(3), "b": Const(-4), "c": Const(12), "result": Sub(Pow(Ref("b"), Ref("_n")), Mul(SumOverSet(set=SolutionsSet(var=Var("x"), condition=Eq(Sum(Pow(Var("x"), Const(2)), Mul(Const(-4), Var("x")), Const(-...
NT
null
COMPUTE
sympy
VIETA_SUM
[ "VIETA_SUM" ]
b33a7a
algebra_quadratic_discriminant_v1
null
4
0
[ "VIETA_SUM" ]
1
0.001
2026-02-08T13:00:30.947412Z
{ "verified": true, "answer": 6440, "timestamp": "2026-02-08T13:00:30.948855Z" }
d2a7fb
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 148, "completion_tokens": 965 }, "timestamp": "2026-02-15T08:48:57.138Z", "answer": 6440 }, { ...
1
[ { "lemma": "K13", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" }, { "lemma": "VIETA_SUM", "status": "ok" } ]
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
888ef7
comb_bell_compute_v1_677425708_651
Let $n = 9$. Define $a = B_n$, where $B_n$ is the Bell number, the number of partitions of an $n$-element set. Let $b = \varphi(1)$ and $c = \varphi(2)$, where $\varphi$ is Euler's totient function. Let $p = |a| + b$ and $q = |a| + c$. Define $Q = a + \varphi(p) + \tau(q)$, where $\tau(m)$ denotes the number of posi...
31,079
graphs = [ Graph( let={ "n": Const(9), "result": Bell(Ref("n")), "Q": Sum(Ref("result"), EulerPhi(n=Sum(Abs(arg=Ref(name='result')), EulerPhi(n=Const(1)))), NumDivisors(n=Sum(Abs(arg=Ref(name='result')), EulerPhi(n=Const(2))))), }, goal=Ref("Q"), ) ]
NT
COMB
COMPUTE
sympy
ONE_PHI_2
[ "ONE_PHI_2", "ONE_PHI_1" ]
a76f7e
comb_bell_compute_v1
null
5
0
[ "ONE_PHI_1", "ONE_PHI_2" ]
2
0.003
2026-02-08T03:38:22.832412Z
{ "verified": true, "answer": 31079, "timestamp": "2026-02-08T03:38:22.834975Z" }
9a03d8
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 246, "completion_tokens": 1195 }, "timestamp": "2026-02-08T20:52:34.455Z", "answer": 31079 }, { "...
1
[ { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "ONE_PHI_1", "status": "ok" }, { "lemma": "ONE_PHI_2", "status": "ok" }, { ...
{ "lo": -6.5, "mid": -0.2, "hi": 6.11 }
cf917a
nt_count_coprime_v1_238844314_535
Let $k$ be the largest prime number between $2$ and $11$, inclusive. Let $U = 75076$. Compute the number of positive integers $n \leq U$ such that $\gcd(n, k) = 1$.
68,251
graphs = [ Graph( let={ "upper": Const(75076), "k": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Const(11)), IsPrime(Var("n"))))), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1))...
NT
null
COUNT
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW" ]
dc3ad3
nt_count_coprime_v1
null
4
0
[ "MAX_PRIME_BELOW" ]
1
6.116
2026-02-08T13:23:32.128318Z
{ "verified": true, "answer": 68251, "timestamp": "2026-02-08T13:23:38.244765Z" }
b80290
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 98, "completion_tokens": 474 }, "timestamp": "2026-02-15T15:11:07.143Z", "answer": 68251 }, { ...
1
[ { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "MOD_SUB", "status": "no...
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
a27f2e
nt_count_divisible_v1_48377204_2671
Let $n$ be a positive integer such that $1 \leq n \leq 32041$. Define $d = \sum_{k=1}^{6} k$. Compute the number of such integers $n$ for which $n$ is divisible by $d$. Find the value of this count.
1,525
graphs = [ Graph( let={ "upper": Const(32041), "divisor": Summation(var="k", start=Const(1), end=Const(6), expr=Var("k")), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("upper")), Eq(Mod(value=Var("n"), modu...
NT
null
COUNT
sympy
SUM_ARITHMETIC
[ "SUM_ARITHMETIC" ]
eb34f0
nt_count_divisible_v1
null
2
0
[ "SUM_ARITHMETIC" ]
1
1.024
2026-02-08T16:54:48.958905Z
{ "verified": true, "answer": 1525, "timestamp": "2026-02-08T16:54:49.982726Z" }
e75021
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 110, "completion_tokens": 550 }, "timestamp": "2026-02-17T14:34:26.648Z", "answer": 1525 }, { ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "SUM_ARITHMETIC", "status": "ok" }, { "lemma": "V5", "status": "no" }, { "lemma": "V7", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
8bddda
lin_form_endings_v1_784195855_5584
Let $a = 16$ and $b = 20$. Let $g = \gcd(a,b)$. Define $a' = \left\lfloor \frac{a}{g} \right\rfloor$ and $b' = \left\lfloor \frac{b}{g} \right\rfloor$. Let $A = 34$ and $B = 53$. Compute the value of $$a'A + b'B - a'b',$$ multiply it by $6685$, and find the remainder when the result is divided by $95692$.
58,993
graphs = [ Graph( let={ "a_coeff": Const(16), "b_coeff": Const(20), "A_val": Const(34), "B_val": Const(53), "g_step": GCD(a=Ref("a_coeff"), b=Ref("b_coeff")), "ap_node": Floor(Div(Ref("a_coeff"), Ref("g_step"))), "bp_node": ...
COMB
NT
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
lin_form_endings_v1
null
3
null
[ "LIN_FORM" ]
1
0.001
2026-02-08T07:59:09.362641Z
{ "verified": true, "answer": 58993, "timestamp": "2026-02-08T07:59:09.363163Z" }
23a88e
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": 759 }, "timestamp": "2026-02-13T13:44:19.823Z", "answer": 58993 }, {...
1
[ { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status": "no" ...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
7cfd79
nt_sum_divisors_mod_v1_458359167_1661
Let $S$ be the set of all ordered pairs $(x,y)$ of positive integers such that $xy = 6350400$. Define $n$ to be the minimum value of $x + y$ over all such pairs. Let $\sigma$ be the sum of all positive divisors of $n$. Compute the remainder when $\sigma$ is divided by $10613$.
8,731
graphs = [ Graph( let={ "n": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Mul(Var("x"), Var("y")), Const(6350400)))), expr=Sum(Var("x"), Var("y")))), "M": Const(1061...
NT
null
COMPUTE
sympy
B3
[ "B3" ]
0cd20d
nt_sum_divisors_mod_v1
null
6
0
[ "B3" ]
1
0.005
2026-02-08T04:48:03.736332Z
{ "verified": true, "answer": 8731, "timestamp": "2026-02-08T04:48:03.741083Z" }
24726a
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 188, "completion_tokens": 1560 }, "timestamp": "2026-02-11T21:58:10.283Z", "answer": 8731 }, { "...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "K13", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -3.49, "mid": 1.84, "hi": 7.55 }
7598f9
nt_count_divisors_in_range_v1_124444284_1463
Let $n = 20160$. Define $b$ to be the number of positive integers $n \leq 69120$ for which the $n$th Fibonacci number is divisible by $14$. Compute the number of positive divisors $d$ of $n$ such that $39 \leq d \leq b$.
55
graphs = [ Graph( let={ "n": Const(20160), "a": Const(39), "b": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Const(69120)), Divides(divisor=Const(14), dividend=Fibonacci(arg=Var(name='n')))))), "result": Coun...
NT
null
COUNT
sympy
COUNT_FIB_DIVISIBLE
[ "COUNT_FIB_DIVISIBLE" ]
66de3c
nt_count_divisors_in_range_v1
null
7
0
[ "COUNT_FIB_DIVISIBLE" ]
1
0.11
2026-02-08T03:54:21.891693Z
{ "verified": true, "answer": 55, "timestamp": "2026-02-08T03:54:22.002048Z" }
2cc664
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 180, "completion_tokens": 3845 }, "timestamp": "2026-02-10T14:48:09.553Z", "answer": 55 }, { "id...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "ok" }, { "lemma": "K16", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status":...
{ "lo": -3.42, "mid": 1.86, "hi": 7.55 }
84f178
antilemma_k3_v1_124444284_8249
Let $n = 88674$. Define $x = \sum_{d \mid n} \phi(d)$, where $\phi$ denotes Euler's totient function. Let $c = 89291$. Compute the remainder when $c \cdot x$ is divided by $72546$.
47,148
graphs = [ Graph( let={ "_n": Const(88674), "x": SumOverDivisors(n=Ref(name='_n'), var='d', expr=EulerPhi(n=Var(name='d'))), "_c": Const(89291), "Q": Mod(value=Mul(Ref("_c"), Ref("x")), modulus=Const(72546)), }, goal=Ref("Q"), ) ]
NT
COMB
COMPUTE
sympy
K3
[ "K3" ]
54c41e
antilemma_k3_v1
null
3
0
[ "K3" ]
1
0.001
2026-02-08T09:37:09.751061Z
{ "verified": true, "answer": 47148, "timestamp": "2026-02-08T09:37:09.751603Z" }
c81863
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": 1290 }, "timestamp": "2026-02-14T05:13:03.503Z", "answer": 47148 }, ...
1
[ { "lemma": "K15", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "K3", "status": "ok" }, { "lemma": "L3b", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" } ]
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
65c7ff
comb_catalan_compute_v1_1742523217_5476
Let $m = 22$. Let $A$ be the set of all ordered pairs $(x_1, x_2)$ of positive odd integers such that $x_1 + x_2 = m$. Let $k$ be the number of elements in $A$. Let $B$ be the set of all ordered pairs $(i, j)$ of positive integers such that $1 \le i \le 10$, $1 \le j \le 11$, and $i + j = k$. Let $n$ be the number of e...
16,796
graphs = [ Graph( let={ "_m": Const(22), "_n": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x1"), Var("x2")]), condition=And(IsPositive(arg=Var(name='x1')), IsPositive(arg=Var(name='x2')), IsOdd(arg=Var(name='x1')), IsOdd(arg=Var(name='x2')), Eq(Sum(Var("x1"), Var("x2")), R...
COMB
null
COMPUTE
sympy
COMB1
[ "COMB1/COUNT_SUM_EQUALS" ]
4d9cac
comb_catalan_compute_v1
null
5
0
[ "COMB1", "COUNT_SUM_EQUALS" ]
2
0.011
2026-02-08T11:01:24.256286Z
{ "verified": true, "answer": 16796, "timestamp": "2026-02-08T11:01:24.267064Z" }
264a79
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 240, "completion_tokens": 798 }, "timestamp": "2026-02-24T12:44:39.398Z", "answer": 16796 }, { "i...
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_later" }, { "lemma...
{ "lo": -7.18, "mid": -5, "hi": -3.01 }
c7c131
comb_count_surjections_v1_2051736721_352
Let $n$ be the number of ordered pairs $(x_1, x_2)$ of positive odd integers such that $x_1 + x_2 = 8$. Let $k = 2$ and define $r = k! \cdot S(n, k)$, where $S(n, k)$ denotes the number of ways to partition a set of $n$ elements into $k$ nonempty unlabeled subsets. Compute the sum of the number of positive divisors of ...
41
graphs = [ Graph( let={ "n": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x1"), Var("x2")]), condition=And(IsPositive(arg=Var(name='x1')), IsPositive(arg=Var(name='x2')), IsOdd(arg=Var(name='x1')), IsOdd(arg=Var(name='x2')), Eq(Sum(Var("x1"), Var("x2")), Const(8))))), "k": ...
COMB
NT
COUNT
sympy
COMB1
[ "COMB1" ]
567f58
comb_count_surjections_v1
null
5
0
[ "COMB1" ]
1
0.004
2026-02-08T15:22:24.177946Z
{ "verified": true, "answer": 41, "timestamp": "2026-02-08T15:22:24.181668Z" }
14be8d
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 226, "completion_tokens": 1436 }, "timestamp": "2026-02-24T20:39:30.620Z", "answer": 41 }, { "id"...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COMB1", "status": "ok" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "V7", "status": ...
{ "lo": -4.1, "mid": -1.76, "hi": 1.26 }
033df3
nt_lcm_compute_v1_1456120455_77
Let $a$ be the number of integers $t$ such that $5 \leq t \leq 2982$ and there exist positive integers $x$ and $y$ with $1 \leq x \leq 408$, $1 \leq y \leq 722$, and $t = 2x + 3y$. Let $b = 1584$. Compute the value of $\mathrm{lcm}(a, b)$.
98,208
graphs = [ Graph( let={ "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=408)), Geq(left=Var(name='b'), right=Const(value...
NT
null
COMPUTE
sympy
VIETA_SUM
[ "LIN_FORM" ]
7b2633
nt_lcm_compute_v1
null
5
0
[ "LIN_FORM", "VIETA_SUM" ]
2
0.01
2026-02-08T02:53:03.526891Z
{ "verified": true, "answer": 98208, "timestamp": "2026-02-08T02:53:03.537062Z" }
9631b5
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 209, "completion_tokens": 7140 }, "timestamp": "2026-02-23T17:47:59.544Z", "answer": 98208 }, { "...
1
[ { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "V5", "status": "no" }...
{ "lo": 2.18, "mid": 4.01, "hi": 5.72 }
f951e8
nt_count_divisible_v1_784195855_9582
Compute the number of positive integers $n \leq 31543$ such that $$n \equiv \sum_{k=0}^{1} (-1)^k \binom{1}{k} \pmod{29},$$ where the modulus is determined by the value of $\sum_{k=0}^{3} (-1)^k \binom{3}{k}$.
1,087
graphs = [ Graph( let={ "upper": Const(31543), "divisor": Const(29), "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=Summatio...
COMB
null
COUNT
sympy
BINOMIAL_ALTERNATING
[ "BINOMIAL_ALTERNATING" ]
c21569
nt_count_divisible_v1
null
4
0
[ "BINOMIAL_ALTERNATING" ]
1
1.104
2026-02-08T16:53:59.164458Z
{ "verified": true, "answer": 1087, "timestamp": "2026-02-08T16:54:00.268265Z" }
7528d3
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": 2172 }, "timestamp": "2026-02-24T22:00:51.197Z", "answer": 1087 }, {...
2
[ { "lemma": "BINOMIAL_ALTERNATING", "status": "ok" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V...
{ "lo": -10, "mid": -7.42, "hi": -4.85 }
e643b7
comb_count_surjections_v1_677425708_1286
Let $ T $ be the set of all integers $ t $ with $ 5 \leq t \leq 15 $ for which there exist positive integers $ a $ and $ b $, each at most 3, such that $ t = 2a + 3b $. Let $ n $ be the number of elements in $ T $. Now consider the set of all ordered pairs $ (i, j) $ with $ 1 \leq i \leq 8 $ and $ 1 \leq j \leq 9 $ suc...
5,796
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=...
COMB
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM/COUNT_SUM_EQUALS" ]
8a3f7a
comb_count_surjections_v1
null
5
0
[ "COUNT_SUM_EQUALS", "LIN_FORM" ]
2
0.012
2026-02-08T04:03:41.071078Z
{ "verified": true, "answer": 5796, "timestamp": "2026-02-08T04:03:41.083257Z" }
255d39
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 295, "completion_tokens": 1517 }, "timestamp": "2026-02-09T17:57:50.697Z", "answer": 5796 }, { "i...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok_later" }, { "lemma": ...
{ "lo": -4.92, "mid": -2.9, "hi": -0.7 }
51bdf2
alg_linear_system_2x2_v1_1218484723_3582
Let $\det = 8 \cdot 9 - (-11) \cdot (-7)$. Let $R = 409504 \cdot \left|\{ (a, b) : a \geq 1,\ a \leq \left|\{ v : v \geq 68,\ v \leq 1700,\ \text{there exist integers } a, b \text{ with } 1 \leq a \leq 5,\ 1 \leq b \leq 5 \text{ such that } 13b^{2} + 41a^{2} + 14ab = v \}\right|,\ b \geq 1,\ b \leq 25,\ -8ab + b^{2} + ...
47,542
graphs = [ Graph( let={ "_m": Const(8), "_n": Const(9), "num_x": Sub(Mul(Const(409504), 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(G...
ALG
null
COMPUTE
sympy
QF_PSD_DISTINCT
[ "QF_PSD_DISTINCT/QF_PSD_COUNT" ]
a6a878
alg_linear_system_2x2_v1
null
6
0
[ "QF_PSD_COUNT", "QF_PSD_DISTINCT" ]
2
0.007
2026-02-25T05:12:14.797879Z
{ "verified": true, "answer": 47542, "timestamp": "2026-02-25T05:12:14.804780Z" }
5bcbc0
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 362, "completion_tokens": 7994 }, "timestamp": "2026-03-29T11:05:52.883Z", "answer": 47542 }, { "...
1
[ { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "QF_PSD_COUNT", "status": "ok_later" }, { "lemma": "QF_PSD_DISTINCT", "status": "ok" } ]
{ "lo": -2.45, "mid": 1.37, "hi": 5.29 }
0cf05c
nt_max_prime_below_v1_717093673_2936
Let $ S $ be the set of all positive integers $ p $ for which there exists a positive integer $ q $ such that $ p < q $, $ pq = 12 $, and $ \gcd(p, q) = 1 $. Let $ c = |S| $. Determine the largest prime number $ n $ such that $ c \leq n \leq 10223 $.
10,223
graphs = [ Graph( let={ "upper": Const(10223), "result": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), CountOverSet(set=SolutionsSet(var=Var("p"), condition=And(IsPositive(arg=Var(name='p')), Exists(var=Var(name='q'), condition=And(Eq(left=Mul(Var(name='p'), V...
NT
null
EXTREMUM
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS" ]
2bb3aa
nt_max_prime_below_v1
null
4
0
[ "COPRIME_PAIRS" ]
1
0.239
2026-02-08T17:17:47.403995Z
{ "verified": true, "answer": 10223, "timestamp": "2026-02-08T17:17:47.642604Z" }
eeeb6f
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 1, "correct": { "strict": false, "boxed": false, "relaxed": true }, "usage": { "prompt_tokens": 141, "completion_tokens": 540 }, "timestamp": "2026-02-16T09:24:49.844Z", "answer": 10217 }, { "id": 11,...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status":...
{ "lo": -8.26, "mid": -5.01, "hi": -1.76 }
ef4882
nt_count_divisible_and_v1_124444284_522
Compute the number of integers $n$ such that $1 \leq n \leq 110190$, $10$ divides $n$, and $$ n \equiv \sum_{k=0}^{5} (-1)^k \binom{5}{k} \pmod{15}. $$
3,673
graphs = [ Graph( let={ "upper": Const(110190), "d1": Const(10), "d2": Const(15), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Binom(n=Const(17), k=Const(17))), Leq(Var("n"), Ref("upper")), Eq(Mod(value=Var("n"), modulus=Re...
COMB
null
COUNT
sympy
BINOMIAL_ALTERNATING
[ "BINOMIAL_ALTERNATING", "ONE_BINOM_N" ]
961fba
nt_count_divisible_and_v1
null
5
0
[ "BINOMIAL_ALTERNATING", "ONE_BINOM_N" ]
2
4.064
2026-02-08T03:20:41.220697Z
{ "verified": true, "answer": 3673, "timestamp": "2026-02-08T03:20:45.284612Z" }
4bfb0f
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 176, "completion_tokens": 619 }, "timestamp": "2026-02-09T18:48:12.214Z", "answer": 3673 }, { "id...
2
[ { "lemma": "BINOMIAL_ALTERNATING", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "ONE...
{ "lo": -9.23, "mid": -6.18, "hi": -4.06 }
ecb36b
nt_count_coprime_v1_153355830_463
Let $\text{upper} = 85849$. Let $k$ be the number of prime numbers $n$ such that $2 \leq n \leq 67$. Let $S$ be the set of all positive integers $n \leq 85849$ such that $\gcd(n, k) = 1$. Compute the number of elements in $S$.
81,331
graphs = [ Graph( let={ "upper": Const(85849), "k": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Const(67)), IsPrime(Var("n"))))), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1...
NT
null
COUNT
sympy
COUNT_PRIMES
[ "COUNT_PRIMES" ]
07c874
nt_count_coprime_v1
null
4
0
[ "COUNT_PRIMES" ]
1
7.008
2026-02-08T03:07:09.049849Z
{ "verified": true, "answer": 81331, "timestamp": "2026-02-08T03:07:16.057946Z" }
1aa279
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 190, "completion_tokens": 864 }, "timestamp": "2026-02-10T12:54:11.945Z", "answer": 81331 }, { "i...
1
[ { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "ok" }, { "lemma": "K14", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "V1", "status": "no" } ]
{ "lo": -5.55, "mid": -3.02, "hi": 0.3 }
58e174
comb_count_permutations_fixed_v1_1978505735_1127
Let $S$ be the set of all integers $t$ such that $10 \leq t \leq 24$ and there exist positive integers $a$ and $b$ with $1 \leq a \leq 3$, $1 \leq b \leq 2$, and $t = 4a + 6b$. Let $n = |S|$. Let $k = \sum_{k_1=0}^{7} (-1)^{k_1} \binom{7}{k_1}$. Compute $\binom{n}{k} \cdot !(n - k)$, where $!m$ denotes the number of de...
73,313
graphs = [ Graph( let={ "_n": Const(98464), "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=Va...
COMB
null
COUNT
sympy
BINOMIAL_ALTERNATING
[ "BINOMIAL_ALTERNATING", "LIN_FORM" ]
10f694
comb_count_permutations_fixed_v1
null
6
0
[ "BINOMIAL_ALTERNATING", "LIN_FORM" ]
2
0.003
2026-02-08T15:51:11.300439Z
{ "verified": true, "answer": 73313, "timestamp": "2026-02-08T15:51:11.303936Z" }
1e6d89
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 290, "completion_tokens": 1576 }, "timestamp": "2026-02-24T18:49:35.134Z", "answer": 71313 }, { ...
1
[ { "lemma": "BINOMIAL_ALTERNATING", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "s...
{ "lo": 1.98, "mid": 5.23, "hi": 8.52 }
ac9808
geo_count_lattice_triangle_v1_1218484723_337
Let $R = |133 \cdot 144 + 44 \cdot (-256)|$, $S = \gcd(133, 256) + \gcd(|44 - 133|, |144 - 256|) + \gcd(44, 144)$, and $T = \frac{R + 2 - S}{2}$. Compute $|T|$.
3,942
graphs = [ Graph( let={ "_m": Const(60), "_n": Const(102), "area_2x": Abs(arg=Sum(Mul(Const(value=133), Const(value=144)), Mul(Const(value=44), Sub(left=Const(value=0), right=Const(value=256))))), "boundary": Sum(GCD(a=Abs(arg=Const(value=133)), b=Abs(arg=Cons...
GEOM
NT
COUNT
sympy
B3
[ "B3/POLY4_MIN" ]
7bbe22
geo_count_lattice_triangle_v1
null
2
0
[ "B3", "POLY4_MIN" ]
2
0.014
2026-02-25T02:03:07.949924Z
{ "verified": true, "answer": 3942, "timestamp": "2026-02-25T02:03:07.964066Z" }
5da9a8
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 195, "completion_tokens": 1117 }, "timestamp": "2026-03-10T09:36:33.812Z", "answer": 3942 }, { "i...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "POLY4_MIN", "status": "ok_later" } ]
{ "lo": -4.31, "mid": -1.92, "hi": 0.62 }
080d7a
modular_count_residue_v1_865884756_3734
Let $\text{upper} = 30625$ and $d_{\min}$ be the smallest divisor of $3246473$ that is at least $2$. Let $\text{result}$ be the number of positive integers $n$ such that $1 \leq n \leq \text{upper}$ and $n \equiv 12 \pmod{d_{\min}}$. Compute the remainder when $44121 \cdot \text{result}$ is divided by $61300$.
17,121
graphs = [ Graph( let={ "_n": Const(61300), "upper": Const(30625), "m": MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(2)), Divides(divisor=Var("d"), dividend=Const(3246473))))), "r": Const(12), "result": CountOverSet(s...
NT
null
COUNT
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR" ]
bc3776
modular_count_residue_v1
null
3
0
[ "MIN_PRIME_FACTOR" ]
1
1.007
2026-02-08T17:33:31.236756Z
{ "verified": true, "answer": 17121, "timestamp": "2026-02-08T17:33:32.243334Z" }
b9f321
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 146, "completion_tokens": 2255 }, "timestamp": "2026-02-18T04:02:59.328Z", "answer": 17121 }, ...
1
[ { "lemma": "DS2", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "MOD_SUB", "status": "no" ...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
98b72d
algebra_poly_eval_v1_1125832087_1042
Let $m = 4$ and $n = 7$. Let $b = 20$. Define $s$ to be the minimum value of $x + y$ over all pairs of positive integers $(x, y)$ such that $xy = m$. Let $d$ be the smallest integer greater than or equal to 2 that divides 11025. Define $$ \text{result} = \frac{28 \cdot b^s + 65 \cdot b^d - 4b^2 - 52b + n}{87}. $$ Let $...
30,807
graphs = [ Graph( let={ "_m": Const(4), "_n": Const(7), "b": Const(20), "result": Div(Sum(Mul(Const(28), Pow(Ref("b"), MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(...
NT
null
COMPUTE
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR", "B3" ]
6c6c26
algebra_poly_eval_v1
null
5
0
[ "B3", "MIN_PRIME_FACTOR" ]
2
0.008
2026-02-08T03:28:14.042836Z
{ "verified": true, "answer": 30807, "timestamp": "2026-02-08T03:28:14.050646Z" }
674c76
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 261, "completion_tokens": 2777 }, "timestamp": "2026-02-10T14:30:41.756Z", "answer": 30807 }, { "...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "K14", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { ...
{ "lo": -3.53, "mid": 1.02, "hi": 5.49 }
268fd3
nt_count_coprime_v1_655260480_1481
Let $S$ be the set of all pairs $(a, b)$ of positive integers with $a \leq 28$, $b \leq 7$, and $21a + 15b$ in the interval $[36, 693]$. Let $P$ be the number of distinct values of $21a + 15b$ as $(a, b)$ ranges over $S$. Let $k$ be the minimum value of $x + y$ over all pairs of positive integers $(x, y)$ such that $xy...
24,686
graphs = [ Graph( let={ "upper": Const(57600), "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")), CountOverSet(set=SolutionsSet(var=Var("t"),...
NT
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM/B3" ]
05313e
nt_count_coprime_v1
null
6
0
[ "B3", "LIN_FORM" ]
2
8.396
2026-02-08T16:09:31.363326Z
{ "verified": true, "answer": 24686, "timestamp": "2026-02-08T16:09:39.759534Z" }
791cef
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": 4151 }, "timestamp": "2026-02-16T21:39:35.831Z", "answer": 24686 }, ...
1
[ { "lemma": "B3", "status": "ok_later" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V1", "status": "no" }, { ...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
6eaafb
comb_factorial_compute_v1_1218484723_1350
Let $n$ be the number of positive integers $k \le 29$ such that $\gcd(k, 30) = 1$. Let $M = n!$. Find the remainder when $17689 - M$ is divided by $88862$.
66,231
graphs = [ Graph( let={ "_n": Const(17689), "n": CountOverSet(set=SolutionsSet(var=Var("n1"), condition=And(Geq(Var("n1"), Const(1)), Leq(Var("n1"), Const(29)), Eq(GCD(a=Var("n1"), b=Const(30)), Const(1))))), "result": Factorial(Ref("n")), "Q": Mod(value=Sub(R...
COMB
NT
COMPUTE
sympy
C4
[ "C4" ]
08d162
comb_factorial_compute_v1
null
3
0
[ "C4" ]
1
0.001
2026-02-25T03:04:04.353887Z
{ "verified": true, "answer": 66231, "timestamp": "2026-02-25T03:04:04.355302Z" }
f6b418
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 165, "completion_tokens": 715 }, "timestamp": "2026-03-10T06:37:44.669Z", "answer": 66231 }, { "i...
2
[ { "lemma": "C2", "status": "no" }, { "lemma": "C4", "status": "ok" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "V7", "status": ...
{ "lo": -10, "mid": -6.41, "hi": -2.82 }
f5c1ba
comb_factorial_compute_v1_677425708_3399
Let $n = 8$. Compute the remainder when $$ \left|\left\{ n \in \mathbb{Z} \mid 1 \leq n \leq 29999 \text{ and } n \equiv \left\lfloor \frac{n}{2} \right\rfloor \pmod{3} \right\}\right| - n! $$ is divided by $70857$.
40,536
graphs = [ Graph( let={ "_n": Const(70857), "n": Const(8), "result": Factorial(Ref("n")), "Q": Mod(value=Sub(CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Const(29999)), Congruent(a=Var(name='n'), b=Floor(arg=...
NT
null
COMPUTE
sympy
L3C
[ "L3C" ]
fba717
comb_factorial_compute_v1
negation_mod
4
0
[ "L3C" ]
1
0.001
2026-02-08T05:41:21.409690Z
{ "verified": true, "answer": 40536, "timestamp": "2026-02-08T05:41:21.411042Z" }
c41ebe
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": 1394 }, "timestamp": "2026-02-12T12:28:18.104Z", "answer": 40536 }, ...
1
[ { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "L3C", "status": "ok" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V5", "status": "no...
{ "lo": -5.55, "mid": -3.01, "hi": 0.32 }
9a4e30
nt_min_coprime_above_v1_717093673_3878
Let $m$ be the largest prime number such that $2 \le m \le 81$. Let $S$ be the set of all integers $n_1$ such that $86436 < n_1 \le 86525$ and $\gcd(n_1, m) = 1$. Compute the minimum element of $S$.
86,437
graphs = [ Graph( let={ "_n": Const(2), "start": Const(86436), "upper": Const(86525), "modulus": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Ref("_n")), Leq(Var("n"), Const(81)), IsPrime(Var("n"))))), "result": MinOverSet(...
NT
null
EXTREMUM
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW" ]
dc3ad3
nt_min_coprime_above_v1
null
4
0
[ "MAX_PRIME_BELOW" ]
1
0.011
2026-02-08T17:55:09.081025Z
{ "verified": true, "answer": 86437, "timestamp": "2026-02-08T17:55:09.091560Z" }
b461de
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 119, "completion_tokens": 835 }, "timestamp": "2026-02-18T10:16:18.486Z", "answer": 86437 }, {...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "V5", "status": "no" } ...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
226857_n
alg_qf_psd_min_v1_1218484723_3257
A robotic arm on an assembly line has four adjustable joints controlled by integer-valued parameters $a$, $b$, $c$, and $d$, each ranging from 1 to 15. The energy cost of a configuration is given by $$ 4140b^2 - 552cd + 4232a^2 - 1840ac + 2576c^2 + S \cdot d^2 - 920ad + 1656bc + 5888ab + 2024bd, $$ where $S$ is the m...
20,424
ALG
null
COMPUTE
sympy
STARS_BARS
[ "B3" ]
0cd20d
alg_qf_psd_min_v1
null
4
null
[ "B3", "STARS_BARS" ]
2
1.884
2026-02-25T04:57:24.897946Z
null
e6d94a
226857
narrative
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 254, "completion_tokens": 13574 }, "timestamp": "2026-03-30T19:55:04.944Z", "answer": 20424 }, { ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": 1.5, "mid": 4.69, "hi": 7.23 }
bfa361
sequence_count_fib_divisible_v1_548369836_19
Let $s$ be the minimum value of $x + y$ over all ordered pairs $(x, y)$ of positive integers such that $xy = 123904$. Let $d = 8$. Compute the number of positive integers $n$ such that $1 \leq n \leq s$ and $d$ divides the $n$-th Fibonacci number.
117
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(123904)))), expr=Sum(Var("x"), Var("y")))), "d": Const(8...
NT
null
COUNT
sympy
MOBIUS_COPRIME
[ "MOBIUS_COPRIME", "B3" ]
233389
sequence_count_fib_divisible_v1
null
6
0
[ "B3", "MOBIUS_COPRIME" ]
2
0.03
2026-02-08T02:42:48.963303Z
{ "verified": true, "answer": 117, "timestamp": "2026-02-08T02:42:48.993015Z" }
f70bf0
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 192, "completion_tokens": 2826 }, "timestamp": "2026-02-08T19:43:05.052Z", "answer": 117 }, { "id...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "MOBIUS_COPRIME", "status": "ok" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "V5", "status": "no" }, ...
{ "lo": -1.89, "mid": 1.79, "hi": 4.93 }
40ccdc
modular_min_modexp_v1_798873815_242
Let $a = 5$ and $b = 173$. Let $m$ be the number of prime numbers $n$ such that $2 \leq n \leq 5189$. Find the smallest positive integer $x$ with $1 \leq x \leq 115$ such that $$ 5^x \equiv 173 \pmod{m}. $$
31
graphs = [ Graph( let={ "_n": Const(2), "a": Const(5), "b": Const(173), "m": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Ref("_n")), Leq(Var("n"), Const(5189)), IsPrime(Var("n"))))), "upper": Const(115), "res...
NT
null
EXTREMUM
sympy
COUNT_PRIMES
[ "COUNT_PRIMES" ]
07c874
modular_min_modexp_v1
null
7
0
[ "COUNT_PRIMES" ]
1
0.008
2026-02-08T02:31:39.668985Z
{ "verified": true, "answer": 31, "timestamp": "2026-02-08T02:31:39.677276Z" }
fff4f5
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 1, "correct": { "strict": false, "boxed": false, "relaxed": true }, "usage": { "prompt_tokens": 193, "completion_tokens": 32768 }, "timestamp": "2026-02-23T14:24:47.317Z", "answer": null }, { ...
1
[ { "lemma": "COUNT_PRIMES", "status": "ok" }, { "lemma": "K18", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" } ]
{ "lo": 3.46, "mid": 4.99, "hi": 6.52 }
f61a67
modular_modexp_compute_v1_1248542787_48
Let $e$ be the minimum value of $x + y$ over all pairs of positive integers $(x, y)$ such that $xy = 16000000$. Compute the remainder when $13^e$ is divided by $60000$.
1
graphs = [ Graph( let={ "a": Const(13), "e": 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(16000000)))), expr=Sum(Var("x"), Var("y"))))...
NT
null
COMPUTE
sympy
B3
[ "B3" ]
0cd20d
modular_modexp_compute_v1
null
6
0
[ "B3" ]
1
0.001
2026-02-08T02:55:22.330426Z
{ "verified": true, "answer": 1, "timestamp": "2026-02-08T02:55:22.331627Z" }
31bc5a
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 165, "completion_tokens": 1828 }, "timestamp": "2026-02-08T23:53:48.282Z", "answer": 1 }, { "id":...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "K16", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "V5", "status": "no" } ]
{ "lo": -7.01, "mid": -4.67, "hi": -2.19 }
3b8339
comb_count_partitions_v1_2051736721_2601
Let $S$ be the set of all integers $t$ such that $15 \le t \le 138$ and there exist positive integers $a$ and $b$ with $1 \le a \le 10$, $1 \le b \le 8$, and $t = 9a + 6b$. Let $n$ be the number of elements in $S$. Compute the number of integer partitions of $n$.
37,338
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=10)), Geq(left=Var(name='b'), right=Const(value=...
COMB
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
comb_count_partitions_v1
null
5
0
[ "LIN_FORM" ]
1
0.001
2026-02-08T16:48:48.826071Z
{ "verified": true, "answer": 37338, "timestamp": "2026-02-08T16:48:48.827140Z" }
08daca
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 140, "completion_tokens": 4050 }, "timestamp": "2026-02-17T12:02:45.649Z", "answer": 37338 }, ...
1
[ { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "st...
{ "lo": -2.38, "mid": 1.74, "hi": 6.59 }
c5177e
comb_count_surjections_v1_124444284_2957
Let $n = 4$ and $k = 3$. Compute the value of $k! \cdot S(n, k)$, where $S(n, k)$ is the Stirling number of the second kind. Let $c$ be the number of ordered pairs of positive odd integers $(x_1, x_2)$ such that $x_1 + x_2 = 14112$. Compute $c$ minus the value of $k! \cdot S(n, k)$.
7,020
graphs = [ Graph( let={ "n": Const(4), "k": Const(3), "result": Mul(Factorial(Ref("k")), Stirling2(n=Ref(name='n'), k=Ref(name='k'))), "_c": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x1"), Var("x2")]), condition=And(IsPositive(arg=Var(name='x1')),...
COMB
null
COUNT
sympy
COMB1
[ "COMB1" ]
9f12f1
comb_count_surjections_v1
negation_mod
3
0
[ "COMB1" ]
1
0.002
2026-02-08T05:05:57.354554Z
{ "verified": true, "answer": 7020, "timestamp": "2026-02-08T05:05:57.357017Z" }
8b4656
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 215, "completion_tokens": 607 }, "timestamp": "2026-02-24T02:41:04.336Z", "answer": 7020 }, { "id...
1
[ { "lemma": "COMB1", "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", "status": "no" }...
{ "lo": -5.97, "mid": -3.96, "hi": -1.93 }
7a4310
nt_sum_divisors_compute_v1_784195855_5953
Let $n = 70756$. Let $\sigma(n)$ denote the sum of all positive divisors of $n$. Let $k$ be the number of integers $j$ with $0 \leq j \leq 1112$ such that $\binom{1112}{j}$ is odd. Let $c = k + 1$. Let $p$ and $q$ be positive integers such that $pq = 108$, $\gcd(p, q) = 1$, and $p < q$. Let $B$ be the number of such pa...
45,809
graphs = [ Graph( let={ "_n": Const(5), "n": Const(70756), "result": SumDivisors(n=Ref("n")), "_c": Sum(CountOverSet(set=SolutionsSet(var=Var("j"), condition=And(Geq(Var("j"), Const(0)), Leq(Var("j"), Const(1112)), Eq(Mod(value=Binom(n=Const(1112), k=Var("j"))...
NT
null
COMPUTE
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS", "V8" ]
859a49
nt_sum_divisors_compute_v1
quadratic_mod
6
0
[ "COPRIME_PAIRS", "V8" ]
2
0.005
2026-02-08T08:13:37.997448Z
{ "verified": true, "answer": 45809, "timestamp": "2026-02-08T08:13:38.002297Z" }
4aff06
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 195, "completion_tokens": 2344 }, "timestamp": "2026-02-13T15:55:23.127Z", "answer": 45809 }, ...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "V3", "status": "no" }, { "lemma": "V8", "status": "ok" }, { ...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
84ca61_n
alg_qf_psd_orbit_v1_1218484723_4319
An audio engineer is designing paired speaker settings. Each configuration is described by two positive integers $(a,b)$ with $1 \le a \le b$. The second setting $b$ cannot exceed the total number of distinct sound levels $t$ that can be produced by the formula $t = 8a + 14b$ using integers $a,b$ with $1 \le a \le 10$,...
5
ALG
null
COUNT
sympy
SUM_SQUARES_IDENTITY
[ "MIN_PRIME_FACTOR", "LIN_FORM" ]
41af5a
alg_qf_psd_orbit_v1
null
7
null
[ "LIN_FORM", "MIN_PRIME_FACTOR", "SUM_SQUARES_IDENTITY" ]
3
0.341
2026-02-25T05:56:53.443312Z
null
dfeef6
84ca61
narrative
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 1, "correct": { "strict": false, "boxed": false, "relaxed": true }, "usage": { "prompt_tokens": 270, "completion_tokens": 32768 }, "timestamp": "2026-03-30T21:30:10.513Z", "answer": null }, { ...
1
[ { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": 1.5, "mid": 4.69, "hi": 7.23 }
c37d1f
comb_sum_binomial_mod_v1_655260480_1784
Let $T$ be the set of all ordered pairs of positive integers $(x, y)$ such that $xy = 12769$. Let $m$ be the minimum value of $x + y$ over all pairs $(x, y) \in T$. For each integer $k$ from $27$ to $211$ inclusive, and each integer $j$ from $1$ to $10$ inclusive, compute $\binom{m}{k}$. Let $S$ be the sum of all these...
76,234
graphs = [ Graph( let={ "_n": Const(50), "sum": Div(Mul(Const(5), SumOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("k"), Var("_j")]), condition=Const(1), domain=CartesianProduct(left=IntegerRange(start=Const(27), end=Const(211)), right=IntegerRange(start=Const(1), e...
ALG
COMB
COMPUTE
sympy
B3
[ "B3/SUM_INDEPENDENT" ]
3674a2
comb_sum_binomial_mod_v1
null
6
0
[ "B3", "SUM_INDEPENDENT" ]
2
0.033
2026-02-08T16:22:15.155432Z
{ "verified": true, "answer": 76234, "timestamp": "2026-02-08T16:22:15.188529Z" }
a3705c
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 282, "completion_tokens": 23617 }, "timestamp": "2026-02-24T20:41:30.735Z", "answer": 31623 }, { ...
0
[ { "lemma": "B3", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "SUM_INDEPENDENT", "status": "ok_later" } ]
{ "lo": 4.28, "mid": 7.01, "hi": 10 }
6f3d9e
lin_form_endings_v1_124444284_5242
Let $a = 9$, $b = 12$, $A = 50$, and $B = 49$. Let $g = \gcd(a, b)$. Define $$s = \left\lfloor \frac{aA + bB - a - b}{g} \right\rfloor + 1.$$ Let $k = 5150$ and $M = 56983$. Compute the remainder when $k \cdot s$ is divided by $M$.
41,510
graphs = [ Graph( let={ "a_coeff": Const(9), "b_coeff": Const(12), "A_val": Const(50), "B_val": Const(49), "g_step": GCD(a=Ref("a_coeff"), b=Ref("b_coeff")), "numerator": Sub(Sum(Mul(Ref("a_coeff"), Ref("A_val")), Mul(Ref("b_coeff"), Re...
COMB
NT
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
lin_form_endings_v1
null
4
null
[ "LIN_FORM" ]
1
0.002
2026-02-08T06:28:40.663169Z
{ "verified": true, "answer": 41510, "timestamp": "2026-02-08T06:28:40.664754Z" }
6fdc3e
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 146, "completion_tokens": 801 }, "timestamp": "2026-02-13T01:08:01.530Z", "answer": 41510 }, {...
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": "V7", "sta...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
7c5265
modular_sum_quadratic_residues_v1_1439011603_1216
Let $p$ be the number of integers $t$ such that $7 \leq t \leq 123$ and there exist positive integers $a$ and $b$ with $1 \leq a \leq 44$, $1 \leq b \leq 7$, and $t = 2a + 5b$. Define $\text{result} = \frac{p(p-1)}{4}$. Compute the remainder when $44121 \cdot \text{result}$ is divided by $69430$.
44,544
graphs = [ Graph( let={ "_n": Const(69430), "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=Const(value=44)), Geq(left=V...
NT
null
SUM
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
modular_sum_quadratic_residues_v1
null
4
0
[ "LIN_FORM" ]
1
0.002
2026-02-08T15:58:46.163447Z
{ "verified": true, "answer": 44544, "timestamp": "2026-02-08T15:58:46.165281Z" }
06e6fa
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": 2957 }, "timestamp": "2026-02-16T18:35:04.178Z", "answer": 44544 }, ...
1
[ { "lemma": "K5", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V5", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
27a640
nt_min_coprime_above_v1_1431428450_88
Let $n = 359$. Define $\mathcal{D}$ as the sum of $\phi(d)$ over all positive divisors $d$ of $n$, where $\phi$ denotes Euler's totient function. Let $S$ be the set of all integers $k$ such that $15625 < k \leq 15994$ and $\gcd(k, \mathcal{D}) = 1$. Compute the smallest element of $S$.
15,626
graphs = [ Graph( let={ "_n": Const(359), "start": Const(15625), "upper": Const(15994), "modulus": SumOverDivisors(n=Ref(name='_n'), var='d', expr=EulerPhi(n=Var(name='d'))), "result": MinOverSet(set=SolutionsSet(var=Var("n"), condition=And(Gt(Var(...
NT
null
EXTREMUM
sympy
K3
[ "K3" ]
54c41e
nt_min_coprime_above_v1
null
4
0
[ "K3" ]
1
0.045
2026-02-08T13:10:58.524977Z
{ "verified": true, "answer": 15626, "timestamp": "2026-02-08T13:10:58.569858Z" }
5af1cc
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": 915 }, "timestamp": "2026-02-15T11:07:12.713Z", "answer": 15626 }, {...
1
[ { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "K3", "status": "ok" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
fa2ab6
nt_gcd_compute_v1_784195855_73
Let $n_1$ be the number of integers $n$ with $1 \leq n \leq 426$ such that $n \equiv \left\lfloor \frac{n}{2} \right\rfloor \pmod{3}$. Let $s = \mu(n_1)^2$, where $\mu$ denotes the Möbius function. Let $n = 974947$ and $f = \mu(n)^2$. Define $a = 619576 \cdot s + f$ and $b = 1161705$. Let $d = \gcd(a, b)$. Compute the ...
29,791
graphs = [ Graph( let={ "n1": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Const(426)), Congruent(a=Var(name='n'), b=Floor(arg=Div(left=Var(name='n'), right=Const(value=2))), modulus=Const(value=3))))), "s": Pow(MoebiusMu(n=Ref(name...
NT
null
COMPUTE
sympy
L3C
[ "L3C/MOBIUS_SQUAREFREE" ]
964e96
nt_gcd_compute_v1
null
5
2
[ "L3C", "MOBIUS_SQUAREFREE" ]
2
0.002
2026-02-08T02:56:52.723750Z
{ "verified": true, "answer": 29791, "timestamp": "2026-02-08T02:56:52.726029Z" }
f60adc
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 267, "completion_tokens": 3603 }, "timestamp": "2026-02-08T22:33:02.505Z", "answer": 29791 }, { ...
1
[ { "lemma": "L3C", "status": "ok" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MOBIUS_SQUAREFREE", "status": "ok_later" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CON...
{ "lo": -6.49, "mid": 0.51, "hi": 7.52 }
5f42e3
modular_count_residue_v1_1439011603_2381
Let $m = 5$ and $r = 4$. Consider the set of all positive integers $n$ such that $1 \leq n \leq 88209$ and $n \equiv r \pmod{m}$. Let $A$ be the number of elements in this set. Let $T$ be the set of all positive integers $t$ such that $9 \leq t \leq 1956$ and there exist positive integers $a$ and $b$ with $1 \leq a \l...
56,137
graphs = [ Graph( let={ "upper": Const(88209), "m": Const(5), "r": Const(4), "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("m")), Ref("r"))))), ...
NT
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM/K3" ]
94828b
modular_count_residue_v1
negation_mod
5
0
[ "K3", "LIN_FORM" ]
2
4.756
2026-02-08T16:45:14.359877Z
{ "verified": true, "answer": 56137, "timestamp": "2026-02-08T16:45:19.116286Z" }
23831b
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 223, "completion_tokens": 4013 }, "timestamp": "2026-02-17T11:35:59.630Z", "answer": 56137 }, ...
1
[ { "lemma": "K16", "status": "no" }, { "lemma": "K3", "status": "ok_later" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "V1", "status": "no" },...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
e17339
comb_bell_compute_v1_1820931509_195
Let $n$ be the number of positive integers $k \leq 33$ such that $3$ divides $k$ and $\gcd(k, 35) = 1$. Compute the Bell number $B_n$, which counts the number of partitions of an $n$-element set.
4,140
graphs = [ Graph( let={ "_n": Const(3), "n": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Const(33)), Divides(divisor=Ref("_n"), dividend=Var("n")), Eq(GCD(a=Var("n"), b=Const(35)), Const(1))))), "result": Bell(Ref("n"))...
NT
COMB
COMPUTE
sympy
C5
[ "C5" ]
1d9668
comb_bell_compute_v1
null
5
0
[ "C5" ]
1
0.003
2026-02-08T11:24:23.662247Z
{ "verified": true, "answer": 4140, "timestamp": "2026-02-08T11:24:23.664905Z" }
5c4913
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 107, "completion_tokens": 700 }, "timestamp": "2026-02-14T13:10:43.740Z", "answer": 4140 }, { ...
1
[ { "lemma": "C5", "status": "ok" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" } ]
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
c75a14
diophantine_sum_product_min_v1_898971024_691
Let $S = 16$ and $P = 64$. Determine the value of $x$, where $x$ is a positive integer satisfying $1 \leq x \leq 15$ and $$ x(S - x) = P. $$ If multiple solutions exist, take the smallest such $x$. Find the value of $x$.
8
graphs = [ Graph( let={ "S": Const(16), "P": Const(64), "result": MinOverSet(set=SolutionsSet(var=Var("x"), condition=And(Geq(Var("x"), Const(1)), Leq(Var("x"), Summation(var="k", start=Const(1), end=Const(5), expr=Var("k"))), Eq(Mul(Var("x"), Sub(Ref("S"), Var("x"))), Re...
NT
null
EXTREMUM
sympy
SUM_ARITHMETIC
[ "SUM_ARITHMETIC" ]
eb34f0
diophantine_sum_product_min_v1
null
3
0
[ "SUM_ARITHMETIC" ]
1
0.004
2026-02-08T15:35:54.248435Z
{ "verified": true, "answer": 8, "timestamp": "2026-02-08T15:35:54.252629Z" }
3904d3
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 135, "completion_tokens": 335 }, "timestamp": "2026-02-16T06:09:48.105Z", "answer": 8 }, { "id": 11, "...
2
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "SUM_ARITHMETIC", "status": "ok" }, { "lemma": "VAL_SUM_EQ", ...
{ "lo": -10, "mid": -7.27, "hi": -4.54 }
48234c
modular_sum_quadratic_residues_v1_601307018_6340
Let $p = 521$. Compute $$\frac{p(p - 1)}{\min\left\{ 41a^2 - 62ab + \left|\left\{ (a_1, b_1) : a_1 \geq 1,\ a_1 \leq 25,\ b_1 \geq 1,\ b_1 \leq 25,\ 16b_1^2 = 784 \right\}\right| \cdot b^2 : (a, b),\ 1 \leq a \leq 5,\ 1 \leq b \leq 5 \right\}}.$$
67,730
graphs = [ Graph( let={ "_n": Const(5), "p": Const(521), "result": Div(Mul(Ref("p"), Sub(Ref("p"), Const(1))), MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), Const(5)), Geq(Var("b")...
NT
null
SUM
sympy
QF_PSD_COUNT
[ "QF_PSD_COUNT/QF_PSD_MIN" ]
2a0653
modular_sum_quadratic_residues_v1
null
4
0
[ "QF_PSD_COUNT", "QF_PSD_MIN" ]
2
0.009
2026-03-10T06:59:41.664475Z
{ "verified": true, "answer": 67730, "timestamp": "2026-03-10T06:59:41.673656Z" }
537cc3
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 253, "completion_tokens": 1745 }, "timestamp": "2026-04-19T04:10:12.870Z", "answer": 67730 }, { ...
1
[ { "lemma": "K13", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "QF_PSD_COUNT", "status": "ok" }, { "lemma": "QF_PSD_MIN", "status": "ok_later" }, { ...
{ "lo": -5.34, "mid": 1.1, "hi": 7.53 }
751b29
alg_poly4_count_v1_1218484723_1126
Let $E$ be the number of ordered pairs $(a_1, b_1)$ of positive integers with $1 \le a_1, b_1 \le 20$ satisfying $$ 97a_1^4 - 292a_1^3b_1 + 510a_1^2b_1^2 - 316a_1b_1^3 + 82b_1^4 = 4205601. $$ Find the number $Q$ of ordered pairs $(a, b)$ of positive integers with $1 \le a, b \le 91$ such that $$ 16a^4 + 384a^2b^2 + 512...
26
graphs = [ Graph( let={ "_n": Const(3), "result": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), Const(91)), Geq(Var("b"), Const(1)), Leq(Var("b"), Const(91)), Eq(Sum(Mul(Const(384), Pow(Var("a"), Const(2))...
ALG
null
COUNT
sympy
POLY4_COUNT
[ "POLY4_COUNT" ]
861d91
alg_poly4_count_v1
null
6
0
[ "POLY4_COUNT" ]
1
1.979
2026-02-25T02:52:34.465707Z
{ "verified": true, "answer": 26, "timestamp": "2026-02-25T02:52:36.444588Z" }
0d947a
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 285, "completion_tokens": 32768 }, "timestamp": "2026-03-10T05:38:27.388Z", "answer": null }, { ...
0
[ { "lemma": "POLY4_COUNT", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": 4.76, "mid": 6.79, "hi": 9.83 }
57c312_n
comb_count_partitions_v1_1218484723_4813
A puzzle designer creates tiles labeled with integers from 12 to 56. A tile labeled $t$ is valid if $t = 5a + 2b + 5$ for some integers $a$ between 1 and 7 and $b$ between 1 and 8. Let $n$ be the number of valid tiles. The designer then builds a tower using $n$ identical blocks, stacking them into any number of non-inc...
25,933
COMB
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
comb_count_partitions_v1
null
5
null
[ "LIN_FORM" ]
1
0.002
2026-02-25T06:27:23.659022Z
null
b05b31
57c312
narrative
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": 5404 }, "timestamp": "2026-03-30T22:23:22.393Z", "answer": 25933 }, { "...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V8", "status...
{ "lo": -5.37, "mid": 0.23, "hi": 5.22 }
775f36
nt_min_crt_v1_124444284_2722
Let $m = 3$ and $k = 7$. Let $S$ be the set of all ordered pairs $(k, j)$ with $1 \le k \le 2$ and $1 \le j \le 9$. For each such pair, define $f(k, j) = \phi(k) \left\lfloor \frac{d}{k} \right\rfloor$, where $d$ is the number of positive integers $p$ for which there exists a positive integer $q$ such that $pq = 216$, ...
10
graphs = [ Graph( let={ "m": Const(3), "k": Const(7), "a": Const(1), "b": Div(Mul(Const(8), SumOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("k"), Var("_j")]), condition=Const(1), domain=CartesianProduct(left=IntegerRange(start=Const(1), end=...
NT
null
EXTREMUM
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS/K2", "SUM_INDEPENDENT" ]
fcc213
nt_min_crt_v1
null
7
0
[ "COPRIME_PAIRS", "K2", "SUM_INDEPENDENT" ]
3
0.094
2026-02-08T04:54:03.880481Z
{ "verified": true, "answer": 10, "timestamp": "2026-02-08T04:54:03.974444Z" }
c237c2
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 320, "completion_tokens": 1444 }, "timestamp": "2026-02-11T22:42:32.326Z", "answer": 10 }, { "id"...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "K2", "status": "ok_later" }, { "lemma":...
{ "lo": -3.45, "mid": 1.13, "hi": 6 }
4e4d3b
modular_modexp_compute_v1_1874849503_841
Let $e$ be the number of positive integers $n$ such that $1 \leq n \leq 22242$ and $n \equiv \left\lfloor \frac{n}{2} \right\rfloor \pmod{11}$. Compute the remainder when $29^e$ is divided by $88209$.
2,359
graphs = [ Graph( let={ "_n": Const(22242), "a": Const(29), "e": 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(name='n'), right=Const(value=2))), modulus=Con...
NT
null
COMPUTE
sympy
L3C
[ "L3C" ]
73f8b0
modular_modexp_compute_v1
null
6
0
[ "L3C" ]
1
0.002
2026-02-08T13:20:00.220543Z
{ "verified": true, "answer": 2359, "timestamp": "2026-02-08T13:20:00.222236Z" }
9272e8
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 184, "completion_tokens": 2823 }, "timestamp": "2026-02-09T21:36:20.418Z", "answer": 2359 }, { "i...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "L3C", "status": "ok" }, { "lemma": "V1", "status": "no" } ]
{ "lo": -5.15, "mid": 0.12, "hi": 6.12 }
6ea5e3
nt_min_with_divisor_count_v1_1874849503_1159
Let $A$ be the set of all positive integers $n$ such that $n \leq 72361$ and $n$ has exactly 8 positive divisors. Let $a$ be the smallest element of $A$.\\ Let $B$ be the set of all positive integers $x$ and $y$ such that $xy = 3600$. Define $s = x + y$ for each such pair. Let $m$ be the minimum value of $s$ over all ...
2,496
graphs = [ Graph( let={ "upper": Const(72361), "div_count": Const(8), "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"))))), "_c": SumOverSet(set...
NT
null
EXTREMUM
sympy
B3
[ "B3/SUM_DIVISIBLE" ]
0d839b
nt_min_with_divisor_count_v1
negation_mod
6
0
[ "B3", "SUM_DIVISIBLE" ]
2
3.141
2026-02-08T13:39:11.596120Z
{ "verified": true, "answer": 2496, "timestamp": "2026-02-08T13:39:14.736747Z" }
44e580
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 280, "completion_tokens": 1731 }, "timestamp": "2026-02-10T01:47:52.906Z", "answer": 2496 }, { "i...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "K14", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "SUM_DIVISIBLE", "status": "ok_later" }, { "lemma": "V5", "status": "no" }, { ...
{ "lo": -5.49, "mid": 0.03, "hi": 6.12 }
19d5d7
alg_poly3_count_v1_1218484723_2924
Let $R$ be the minimum value of $35a^3 + 33ab^2 + 9b^3 + 51a^2b$ over positive integers $a, b$ with $1 \le a, b \le 11$. Let $S = \min\{ 16a_3^3 + 12a_3^2b_3 + b_3^3 + 6a_3b_3^2 : a_3, b_3 \ge 1,\ 1 \le a_3, b_3 \le 14 \}$. Let $T = \left|\left\{ (a_2, b_2) : 1 \le a_2, b_2 \le 35,\ R a_2^3 + 128b_2^3 + 384a_2^2b_2 + 3...
103
graphs = [ Graph( let={ "_c": Const(84), "_m": Const(3), "_n": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), Const(11)), Geq(Var("b"), Const(1)), Leq(Var("b"), Const(11)))), expr=S...
ALG
null
COUNT
sympy
QF_PSD_DISTINCT
[ "POLY3_MIN/POLY3_COUNT" ]
fd477e
alg_poly3_count_v1
null
7
0
[ "POLY3_COUNT", "POLY3_MIN", "QF_PSD_DISTINCT" ]
3
2.635
2026-02-25T04:40:48.732602Z
{ "verified": true, "answer": 103, "timestamp": "2026-02-25T04:40:51.367216Z" }
f8af80
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 399, "completion_tokens": 3413 }, "timestamp": "2026-03-29T07:17:55.724Z", "answer": 103 }, { "id...
1
[ { "lemma": "POLY3_COUNT", "status": "ok_later" }, { "lemma": "POLY3_MIN", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": -2.45, "mid": 1.37, "hi": 5.29 }
0bf2a6
nt_min_coprime_above_v1_677425708_1992
Let $S$ be the set of all ordered pairs $(x, y)$ of positive integers such that $xy = 5625$. Let $m$ be the minimum value of $x + y$ over all such pairs. Let $T$ be the set of all integers $n$ such that $70756 < n \leq 70916$ and $\gcd(n, m) = \phi(2)$, where $\phi$ denotes Euler's totient function. Determine the value...
70,757
graphs = [ Graph( let={ "start": Const(70756), "upper": Const(70916), "modulus": 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")), Co...
NT
null
EXTREMUM
sympy
ONE_PHI_2
[ "ONE_PHI_2", "B3" ]
0519c9
nt_min_coprime_above_v1
null
6
0
[ "B3", "ONE_PHI_2" ]
2
0.016
2026-02-08T04:42:12.426568Z
{ "verified": true, "answer": 70757, "timestamp": "2026-02-08T04:42:12.442719Z" }
d5e4fa
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 221, "completion_tokens": 1282 }, "timestamp": "2026-02-10T04:07:37.392Z", "answer": 70757 }, { "...
2
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "ONE_PHI_2", "status": "ok" }, { ...
{ "lo": -10, "mid": -6.47, "hi": -2.95 }
2c7edb
lin_form_endings_v1_784195855_8145
Let $a = 42$ and $b = 24$. Let $d$ be the greatest common divisor of $a$ and $b$. Let $k = 15024$ and let $s = k \cdot d$. Compute the remainder when $s$ is divided by $73473$.
16,671
graphs = [ Graph( let={ "a_coeff": Const(42), "b_coeff": Const(24), "_inner_result": GCD(a=Ref("a_coeff"), b=Ref("b_coeff")), "_scale_k": Const(15024), "_scaled": Mul(Ref("_scale_k"), Ref("_inner_result")), "_mod_M": Const(73473), ...
COMB
NT
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
lin_form_endings_v1
null
2
null
[ "LIN_FORM" ]
1
0
2026-02-08T15:54:52.841765Z
{ "verified": true, "answer": 16671, "timestamp": "2026-02-08T15:54:52.842186Z" }
e0a16a
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 127, "completion_tokens": 486 }, "timestamp": "2026-02-16T06:36:56.702Z", "answer": 16671 }, { "id": 11, ...
2
[ { "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": -10, "mid": -7.27, "hi": -4.54 }
b6f212
alg_poly_preperiod_count_v1_601307018_6470
For each non-negative integer $a$ with $0 \le a \le 26519$, define $N = a^2 + 8 \bmod 17$, $M = N^2 + 8 \bmod 17$, $R = M^2 + 8 \bmod 17$, and $S = R^2 + 8 \bmod 17$. Let $Q$ be the number of values of $a$ such that $S = M$ and $R \ne M$. Find $Q$.
9,360
graphs = [ Graph( let={ "p1": Mod(value=Sum(Pow(Var("a"), Const(2)), Const(8)), modulus=Const(17)), "p2": Mod(value=Sum(Pow(Ref("p1"), Const(2)), Const(8)), modulus=Const(17)), "p3": Mod(value=Sum(Pow(Ref("p2"), Const(2)), Const(8)), modulus=Const(17)), "p4": ...
ALG
null
COUNT
sympy
POLY_ORBIT_COUNT
[ "POLY_ORBIT_COUNT" ]
4ad965
alg_poly_preperiod_count_v1
null
6
null
[ "POLY_ORBIT_COUNT" ]
1
0.028
2026-03-10T07:07:45.433842Z
{ "verified": true, "answer": 9360, "timestamp": "2026-03-10T07:07:45.461726Z" }
1d3076
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 223, "completion_tokens": 3294 }, "timestamp": "2026-04-19T04:30:44.630Z", "answer": 9360 }, { "...
1
[ { "lemma": "POLY_ORBIT_COUNT", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": -5.34, "mid": 1.1, "hi": 7.53 }