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ec4c78
antilemma_v1_legendre_151522320_163
Let $m = 33215$. Let $n$ be the number of nonnegative integers $j$ such that $0 \leq j \leq 65545$ and $\binom{65545}{j}$ is odd, increased by $5$. Let $x$ be the largest integer $k$ such that $n^k$ divides $m!$. Compute $x + \phi(|x| + 1) + \tau(|x| + 1)$, where $\phi$ denotes Euler's totient function and $\tau$ denot...
4,153
graphs = [ Graph( let={ "_m": Const(33215), "_n": Sum(CountOverSet(set=SolutionsSet(var=Var("j"), condition=And(Geq(Var("j"), Const(0)), Leq(Var("j"), Const(65545)), Eq(Mod(value=Binom(n=Const(65545), k=Var("j")), modulus=Const(2)), Const(1))), domain='nonnegative_integers')), Const(...
NT
null
COMPUTE
sympy
V8
[ "V8/V1", "V1" ]
b9ae67
antilemma_v1_legendre
null
7
0
[ "V1", "V8" ]
2
0.002
2026-02-08T03:00:47.791124Z
{ "verified": true, "answer": 4153, "timestamp": "2026-02-08T03:00:47.792631Z" }
f49723
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 239, "completion_tokens": 2107 }, "timestamp": "2026-02-09T00:00:30.326Z", "answer": 4153 }, { "...
1
[ { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "K5", "status": "same_pattern_wrong" }, { "lemma": "MOD_MUL", "st...
{ "lo": -6.49, "mid": 0.51, "hi": 7.52 }
42c9d2
algebra_poly_eval_v1_601307018_4929
Let $t = 5$. Compute $$ \frac{9 t^{5} + 57 t^{4} + \left|\left\{ v : v \geq 40,\ v \leq \min\left\{ |x - y| : x > 0,\ y > 0,\ x y = 47156561 \right\},\ \exists\, a,b \in \mathbb{Z},\ 1 \leq a,b \leq 11\ \text{such that}\ 13b^2 + 17a^2 + 10ab = v \right\}\right| \cdot t^{3} + 93 t^{2} -90t + 72}{27}. $$
2,961
graphs = [ Graph( let={ "_m": Const(72), "_n": Const(3), "t": Const(5), "result": Div(Sum(Mul(Const(9), Pow(Ref("t"), Const(5))), Mul(Const(57), Pow(Ref("t"), Const(4))), Mul(CountOverSet(set=SolutionsSet(var=Var("v"), condition=And(Geq(Var("v"), Const(40)), L...
ALG
null
COMPUTE
sympy
B3_DIFF
[ "B3_DIFF/QF_PSD_DISTINCT" ]
d645fd
algebra_poly_eval_v1
null
7
0
[ "B3_DIFF", "QF_PSD_DISTINCT" ]
2
0.021
2026-03-10T05:38:17.342713Z
{ "verified": true, "answer": 2961, "timestamp": "2026-03-10T05:38:17.363429Z" }
8ed207
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 270, "completion_tokens": 13156 }, "timestamp": "2026-04-19T00:34:04.888Z", "answer": 2961 }, { ...
1
[ { "lemma": "B3_DIFF", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "QF_PSD_DISTINCT", "status": "ok_later" } ]
{ "lo": -3.31, "mid": 1.32, "hi": 5.87 }
3b14df
sequence_count_fib_divisible_v1_1439011603_2118
Let $n = 44121$. Let $A$ be the set of all positive integers $p$ for which there exists a positive integer $q$ such that $pq = 6$, $\gcd(p, q) = 1$, and $p < q$. Let $U$ be the number of integers $n$ with $1 \leq n \leq 1278$ such that $|A|$ divides $n$ and $\gcd(n, 35) = 1$. Let $d = 15$. Compute the remainder when $n...
80,761
graphs = [ Graph( let={ "_n": Const(44121), "upper": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Const(1278)), Divides(divisor=CountOverSet(set=SolutionsSet(var=Var("p"), condition=And(IsPositive(arg=Var(name='p')), Exists(var=Var(...
NT
null
COUNT
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS/C5" ]
195cc1
sequence_count_fib_divisible_v1
null
6
0
[ "C5", "COPRIME_PAIRS" ]
2
0.07
2026-02-08T16:31:36.743747Z
{ "verified": true, "answer": 80761, "timestamp": "2026-02-08T16:31:36.814054Z" }
b765d0
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 200, "completion_tokens": 2271 }, "timestamp": "2026-02-17T05:59:36.558Z", "answer": 80761 }, ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "C5", "status": "ok_later" }, { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "DS2", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "V5", "status": "no" }, { "lem...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
bdfc9c
modular_count_residue_v1_1520064083_1260
Let $p$ and $q$ be positive integers such that $pq = 1080$, $\gcd(p, q) = 1$, and $p < q$. Let $S$ be the set of all such integers $p$. Define $r = \sum_{k=1}^{|S|} \varphi(k) \left\lfloor \frac{4}{k} \right\rfloor$, where $\varphi$ denotes Euler's totient function. Let $N$ be the number of positive integers $n \leq 32...
1,106
graphs = [ Graph( let={ "upper": Const(32057), "m": Const(29), "r": Summation(var="k", start=Const(1), end=CountOverSet(set=SolutionsSet(var=Var("p"), condition=And(IsPositive(arg=Var(name='p')), Exists(var=Var(name='q'), condition=And(Eq(left=Mul(Var(name='p'), Var(name=...
NT
null
COUNT
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS/K2" ]
846647
modular_count_residue_v1
null
4
0
[ "COPRIME_PAIRS", "K2" ]
2
8.483
2026-02-08T03:53:31.916253Z
{ "verified": true, "answer": 1106, "timestamp": "2026-02-08T03:53:40.398862Z" }
14083a
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 249, "completion_tokens": 2118 }, "timestamp": "2026-02-10T16:05:19.118Z", "answer": 1106 }, { "i...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K2", "status": "ok_later" }, { "lemma": "L3b", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" ...
{ "lo": -5.92, "mid": -3.15, "hi": 0.25 }
a6cf08
modular_mod_compute_v1_784195855_1366
Let $a = 700$ and $m = 27889$. Let $r$ be the remainder when $a$ is divided by $m$. Let $c$ be the largest prime number $n$ such that $2 \leq n \leq 4650$. Compute the remainder when $c \cdot r$ is divided by $53866$.
22,340
graphs = [ Graph( let={ "_n": Const(2), "a": Const(700), "m": Const(27889), "result": Mod(value=Ref("a"), modulus=Ref("m")), "_c": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Ref("_n")), Leq(Var("n"), Const(4650)), IsPrime...
NT
null
COMPUTE
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW" ]
183c11
modular_mod_compute_v1
affine_mod
4
0
[ "MAX_PRIME_BELOW" ]
1
0.001
2026-02-08T04:59:35.299540Z
{ "verified": true, "answer": 22340, "timestamp": "2026-02-08T04:59:35.300610Z" }
892b6f
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 187, "completion_tokens": 1101 }, "timestamp": "2026-02-11T22:35:11.657Z", "answer": 22340 }, { ...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "V8", "status": "no" ...
{ "lo": -7.01, "mid": -4.68, "hi": -2.15 }
62637b
nt_min_coprime_above_v1_48377204_1641
Let $m$ be the number of integers $t$ with $30 \leq t \leq 666$ for which there exist integers $a$ and $b$ satisfying $1 \leq a \leq 24$, $1 \leq b \leq 18$, and $t = 21a + 9b$. Find the smallest integer $n$ such that $32761 < n \leq 32972$ and $\gcd(n, m) = 1$. Let this value be $k$. Compute $k + \left(2^{k \bmod 15} ...
32,766
graphs = [ Graph( let={ "_n": Const(65022), "start": Const(32761), "upper": Const(32972), "modulus": 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...
NT
null
EXTREMUM
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
nt_min_coprime_above_v1
null
6
0
[ "LIN_FORM" ]
1
0.026
2026-02-08T16:16:46.516272Z
{ "verified": true, "answer": 32766, "timestamp": "2026-02-08T16:16:46.542535Z" }
aa21ae
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 177, "completion_tokens": 3938 }, "timestamp": "2026-02-17T00:53:13.582Z", "answer": 32766 }, ...
1
[ { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "V3", "status": "no" }, { "lemma": "V5", "status": "no" }, { "lemma": "V7", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
e8dcd7
geo_count_lattice_triangle_v1_784195855_2787
Let $A = 2 \times \left| 120 \cdot 121 + 89 \cdot (-55) \right|$. Let $B = \gcd(|\sum_{k=1}^{15} \phi(k) \cdot \lfloor 15/k \rfloor|, 55) + \gcd(|89 - 120|, |121 - 55|) + \gcd(|0 - 89|, |0 - 121|)$, where $\phi$ denotes Euler's totient function. Compute $$\frac{A + 2 - B}{2}.$$ Find the value of this expression.
4,810
graphs = [ Graph( let={ "_n": Const(55), "area_2x": Abs(arg=Sum(Mul(Const(value=120), Const(value=121)), Mul(Const(value=89), Sub(left=Const(value=0), right=Ref(name='_n'))))), "boundary": Sum(GCD(a=Abs(arg=Summation(expr=Mul(EulerPhi(n=Var(name='k')), Floor(arg=Div(left=...
NT
null
COUNT
sympy
K2
[ "K2" ]
6897ab
geo_count_lattice_triangle_v1
null
7
0
[ "K2" ]
1
0.006
2026-02-08T06:02:57.740641Z
{ "verified": true, "answer": 4810, "timestamp": "2026-02-08T06:02:57.746385Z" }
aad4ad
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 176, "completion_tokens": 3665 }, "timestamp": "2026-02-12T18:46:52.205Z", "answer": 4810 }, {...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "L3b", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "V7", "status": "no" } ]
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
a0cf56
nt_count_divisible_v1_48377204_1838
Let $N = 76788$. Let $A$ be the number of positive integers $n$ such that $1 \leq n \leq 66666$ and $n$ is divisible by $21$. Let $B$ be the number of positive integers $p$ for which there exists a positive integer $q$ such that $p \cdot q = 11118907800$, $\gcd(p, q) = 1$, and $p < q$. Compute the remainder when $B - A...
73,678
graphs = [ Graph( let={ "_n": Const(76788), "upper": Const(66666), "divisor": Const(21), "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")), C...
NT
null
COUNT
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS" ]
c90628
nt_count_divisible_v1
negation_mod
6
0
[ "COPRIME_PAIRS" ]
1
3.441
2026-02-08T16:26:56.701760Z
{ "verified": true, "answer": 73678, "timestamp": "2026-02-08T16:27:00.142950Z" }
2678b3
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": 4056 }, "timestamp": "2026-02-17T04:34:57.963Z", "answer": 73678 }, ...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "MOD_SUB", "status": "n...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
f8cb94
nt_num_divisors_compute_v1_1742523217_5205
Let $ n = 59049 $. Compute the number of positive divisors of $ n $.
11
graphs = [ Graph( let={ "n": Const(59049), "result": NumDivisors(n=Ref("n")), }, goal=Ref("result"), ) ]
NT
null
COMPUTE
sympy
B3
[ "B3" ]
0cd20d
nt_num_divisors_compute_v1
null
3
0
[ "B3" ]
1
0.009
2026-02-08T10:51:30.767396Z
{ "verified": true, "answer": 11, "timestamp": "2026-02-08T10:51:30.776775Z" }
fca587
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 65, "completion_tokens": 379 }, "timestamp": "2026-02-14T09:03:10.313Z", "answer": 11 }, { ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "DS2", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "V5", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -9.12, "mid": -6.02, "hi": -3.62 }
1406df
nt_count_divisible_and_v1_784195855_7875
Let $m = 2$. Let $n$ be the largest prime number satisfying $m \le n \le 5$. Let $d_1 = 12$ and $d_2 = \sum_{k=1}^{n} k$. Define $S$ as the set of all positive integers $n$ such that $1 \le n \le 238260$, $n$ is divisible by $d_1$, and $n$ is divisible by $d_2$. Let $c = |S|$, the number of elements in $S$. Compute $\s...
33,527
graphs = [ Graph( let={ "_m": Const(2), "_n": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Ref("_m")), Leq(Var("n"), Const(5)), IsPrime(Var("n"))))), "upper": Const(238260), "d1": Const(12), "d2": Summation(var="k", start=C...
NT
null
COUNT
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW/SUM_ARITHMETIC" ]
592103
nt_count_divisible_and_v1
null
4
0
[ "MAX_PRIME_BELOW", "SUM_ARITHMETIC" ]
2
12.18
2026-02-08T09:35:38.639872Z
{ "verified": true, "answer": 33527, "timestamp": "2026-02-08T09:35:50.820122Z" }
3511dc
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": 3417 }, "timestamp": "2026-02-14T05:18:36.724Z", "answer": 33527 }, ...
1
[ { "lemma": "K17", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "SUM_ARITHMETIC", "status": "ok_later" }, { "lemma": "V7", "status": "no" }...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
ad12aa
diophantine_fbi2_min_v1_1978505735_2553
Let $k = 35$. Define $\text{upper}$ to be the number of positive integers $n$ with $1 \leq n \leq 90$ such that the sum of the decimal digits of $n$ is divisible by $2$. Determine the value of the smallest integer $d \geq 3$ such that $d \leq \text{upper}$, $d$ divides $k$, and $\frac{k}{d} \geq 5$.
5
graphs = [ Graph( let={ "_n": Const(2), "k": Const(35), "upper": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Const(90)), Eq(Mod(value=DigitSum(Var("n")), modulus=Ref("_n")), Const(0))))), "result": MinOverSe...
NT
null
EXTREMUM
sympy
L3B
[ "L3B" ]
cc148f
diophantine_fbi2_min_v1
null
5
0
[ "L3B" ]
1
0.005
2026-02-08T16:57:46.210048Z
{ "verified": true, "answer": 5, "timestamp": "2026-02-08T16:57:46.215044Z" }
7de9c2
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": 1522 }, "timestamp": "2026-02-17T16:00:22.553Z", "answer": 5 }, { ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "L3B", "status": "ok" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "V3", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
55a35d
nt_count_divisible_and_v1_1918700295_3136
Let $T$ be the set of all integers $t$ such that $12 \leq t \leq 161$ and $t = 7a + 5b$ for some positive integers $a \leq 18$ and $b \leq 7$. Let $d_2$ be the number of positive integers $k \leq |T|$ that are divisible by 7. Find the number of positive integers $n \leq 24696$ that are divisible by both 12 and $d_2$. C...
686
graphs = [ Graph( let={ "upper": Const(24696), "d1": Const(12), "d2": CountOverSet(set=SolutionsSet(var=Var("k"), condition=And(Geq(Var("k"), Const(1)), Leq(Var("k"), CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(...
ALG
NT
COUNT
sympy
LIN_FORM
[ "LIN_FORM/C2" ]
03e7fc
nt_count_divisible_and_v1
null
6
0
[ "C2", "LIN_FORM" ]
2
0.821
2026-02-08T08:25:26.733944Z
{ "verified": true, "answer": 686, "timestamp": "2026-02-08T08:25:27.554648Z" }
46ef00
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 183, "completion_tokens": 560 }, "timestamp": "2026-02-15T20:13:51.162Z", "answer": 411 }, { "id": 11, ...
1
[ { "lemma": "C2", "status": "ok_later" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": -5.55, "mid": -3.01, "hi": 0.34 }
ffdb84
nt_max_prime_below_v1_784195855_7646
Let $S$ be the set of all positive integers $p$ for which there exists a positive integer $q$ such that $pq = 12$, $\gcd(p, q) = 1$, and $p < q$. Let $T$ be the set of all prime numbers $n$ such that $n \geq |S|$ and $n \leq 54756$. Compute the maximum element of $T$.
54,751
graphs = [ Graph( let={ "upper": Const(54756), "result": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), CountOverSet(set=SolutionsSet(var=Var("p"), condition=And(IsPositive(arg=Var(name='p')), Exists(var=Var(name='q'), condition=And(Eq(left=Mul(Var(name='p'), V...
NT
null
EXTREMUM
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS" ]
2bb3aa
nt_max_prime_below_v1
null
4
0
[ "COPRIME_PAIRS" ]
1
1.212
2026-02-08T09:26:00.087803Z
{ "verified": true, "answer": 54751, "timestamp": "2026-02-08T09:26:01.300187Z" }
203c67
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 136, "completion_tokens": 3049 }, "timestamp": "2026-02-14T03:51:31.803Z", "answer": 54751 }, ...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "V3", "status": "no" }, { "lemma": "V7", "status": "no" } ]
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
9e71b4
nt_count_divisors_in_range_v1_1125832087_1668
Let $n = 27720$. Let $A$ be the number of positive integers $k$ such that $1 \leq k \leq 27765$, $9$ divides $k$, and $\gcd(k, 14) = 1$. Let $B$ be the number of positive divisors $d$ of $n$ such that $58 \leq d \leq A$. Compute $14884 - B$.
14,834
graphs = [ Graph( let={ "n": Const(27720), "a": Const(58), "b": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Const(27765)), Divides(divisor=Const(9), dividend=Var("n")), Eq(GCD(a=Var("n"), b=Const(14)), Const(1))))), ...
NT
null
COUNT
sympy
C5
[ "C5" ]
1d9668
nt_count_divisors_in_range_v1
null
5
0
[ "C5" ]
1
0.016
2026-02-08T03:52:23.503687Z
{ "verified": true, "answer": 14834, "timestamp": "2026-02-08T03:52:23.519381Z" }
2f4761
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 204, "completion_tokens": 5426 }, "timestamp": "2026-02-10T14:37:10.276Z", "answer": 14834 }, { ...
1
[ { "lemma": "C5", "status": "ok" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "V5", "status": "no" } ]
{ "lo": -3.42, "mid": 1.86, "hi": 7.55 }
475cdb
comb_count_permutations_fixed_v1_865884756_1397
Let $n$ be the number of integers $j$ with $0 \leq j \leq 32804$ such that $\binom{32804}{j}$ is odd. Let $k = 3$. Define $\text{result} = \binom{n}{k} \cdot !(n - k)$, where $!m$ denotes the number of derangements of $m$ elements. Let $S$ be the set of all ordered pairs $(x, y)$ of positive integers such that $xy = 62...
92,158
graphs = [ Graph( let={ "_n": Const(32804), "n": CountOverSet(set=SolutionsSet(var=Var("j"), condition=And(Geq(Var("j"), Const(0)), Leq(Var("j"), Ref("_n")), Eq(Mod(value=Binom(n=Const(32804), k=Var("j")), modulus=Const(2)), Const(1))), domain='nonnegative_integers')), "k...
COMB
null
COUNT
sympy
B3
[ "B3", "V8" ]
7c01c3
comb_count_permutations_fixed_v1
negation_mod
6
0
[ "B3", "V8" ]
2
0.007
2026-02-08T16:02:57.355050Z
{ "verified": true, "answer": 92158, "timestamp": "2026-02-08T16:02:57.362158Z" }
bdf9d0
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 281, "completion_tokens": 1251 }, "timestamp": "2026-02-24T19:44:22.116Z", "answer": 92158 }, { ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V8", "status": "ok" }, { "lemma...
{ "lo": -2.4, "mid": 1.57, "hi": 5.75 }
99391c_n
algebra_poly_eval_v1_1218484723_2836
A digital lock requires a code calculated by the formula $8m^3 - 3m^2 - 2m - 3$, where $m$ is the number of sectors on the lock's dial. If the dial has $16$ sectors, what is the code?
31,965
ALG
null
COMPUTE
sympy
QF_PSD_ORBIT
[ "QF_PSD_ORBIT/POLY_ORBIT_HENSEL", "STARS_BARS/POLY_ORBIT_HENSEL", "B1/POLY_ORBIT_HENSEL" ]
f8a9a8
algebra_poly_eval_v1
null
2
null
[ "B1", "POLY_ORBIT_HENSEL", "QF_PSD_ORBIT", "STARS_BARS" ]
4
0.659
2026-02-25T04:33:43.276075Z
null
e31536
99391c
narrative
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": 803 }, "timestamp": "2026-03-30T19:08:11.333Z", "answer": 31965 }, { "i...
1
[ { "lemma": "B1", "status": "ok" }, { "lemma": "POLY_ORBIT_HENSEL", "status": "ok_later" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "QF_PSD_ORBIT", "status": "ok" }, { "lemma": "STARS_BARS", "status": "ok" } ]
{ "lo": -5.37, "mid": 0.23, "hi": 5.22 }
780125
comb_bell_compute_v1_168721529_1270
Let $n$ be the smallest positive integer such that the highest power of $2$ dividing $n!$ is at least $7$. Compute the number of partitions of a set with $n$ elements.
4,140
graphs = [ Graph( let={ "_n": Const(2), "n": MinOverSet(set=SolutionsSet(var=Var("n"), condition=Geq(MaxKDivides(target=Factorial(Var("n")), base=Ref("_n")), Const(7)), domain='Z_{>0}')), "result": Bell(Ref("n")), }, goal=Ref("result"), ) ]
NT
COMB
COMPUTE
sympy
V5
[ "V5" ]
79df37
comb_bell_compute_v1
null
6
0
[ "V5" ]
1
0.001
2026-02-08T13:33:22.603031Z
{ "verified": true, "answer": 4140, "timestamp": "2026-02-08T13:33:22.604529Z" }
6beb81
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": 577 }, "timestamp": "2026-02-09T15:06:22.406Z", "answer": 4140 }, { "id...
1
[ { "lemma": "K18", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "V3", "status": "no" }, { "lemma": "V5", "status": "ok" } ]
{ "lo": -6.69, "mid": -2.39, "hi": 1.83 }
5b3bbe
alg_poly_preperiod_count_v1_1218484723_6396
For a non-negative integer $a$, define the sequence $N = (a^2 + a - 2) \bmod 83$, $M = (N^2 + N - 2) \bmod 83$, $R = (M^2 + M - 2) \bmod 83$, $S = (R^2 + R - 2) \bmod 83$. Find the number of integers $a$ with $0 \leq a \leq 53036$ such that $S = N$, $M \neq N$, and $R \neq N$.
3,834
graphs = [ Graph( let={ "p1": Mod(value=Sum(Pow(Var("a"), Const(2)), Var("a"), Const(-2)), modulus=Const(83)), "p2": Mod(value=Sum(Pow(Ref("p1"), Const(2)), Ref("p1"), Const(-2)), modulus=Const(83)), "p3": Mod(value=Sum(Pow(Ref("p2"), Const(2)), Ref("p2"), Const(-2)), mod...
ALG
null
COUNT
sympy
POLY_ORBIT_COUNT
[ "POLY_ORBIT_COUNT" ]
4ad965
alg_poly_preperiod_count_v1
null
6
null
[ "POLY_ORBIT_COUNT" ]
1
0.024
2026-02-25T07:58:14.099420Z
{ "verified": true, "answer": 3834, "timestamp": "2026-02-25T07:58:14.123778Z" }
1af15f
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": 27708 }, "timestamp": "2026-03-30T01:34:42.040Z", "answer": 3834 }, { "...
1
[ { "lemma": "POLY_ORBIT_COUNT", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": 1.53, "mid": 4.7, "hi": 7.23 }
31725d
antilemma_sum_equals_v1_1520064083_7649
Let $s$ be the number of ordered pairs of positive odd integers $(x_1, x_2)$ such that $x_1 + x_2 = 188$. Let $x$ be the number of ordered pairs of positive integers $(i, j)$ with $1 \leq i, j \leq 93$ such that $i + j = s$. Compute the remainder when $74144 \cdot x$ is divided by $89175$.
28,917
graphs = [ Graph( let={ "_m": Const(89175), "_n": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x1"), Var("x2")]), condition=And(IsPositive(arg=Var(name='x1')), IsPositive(arg=Var(name='x2')), IsOdd(arg=Var(name='x1')), IsOdd(arg=Var(name='x2')), Eq(Sum(Var("x1"), Var("x2"))...
COMB
GEOM
COMPUTE
sympy
COMB1
[ "COMB1/COUNT_SUM_EQUALS", "COUNT_SUM_EQUALS" ]
3e1adf
antilemma_sum_equals_v1
null
4
0
[ "COMB1", "COUNT_SUM_EQUALS" ]
2
0.003
2026-02-08T09:13:54.244663Z
{ "verified": true, "answer": 28917, "timestamp": "2026-02-08T09:13:54.248083Z" }
43b5e5
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 208, "completion_tokens": 2827 }, "timestamp": "2026-02-24T10:46:35.039Z", "answer": 28917 }, { "...
1
[ { "lemma": "COMB1", "status": "ok" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status":...
{ "lo": -2.35, "mid": 1.22, "hi": 4.84 }
39b1b3
sequence_fibonacci_compute_v1_458359167_5133
Let $n$ be the sum of $\phi(d)$ over all positive divisors $d$ of $24$, where $\phi$ denotes Euler's totient function. Let $F_n$ denote the $n$-th Fibonacci number, where $F_0 = 0$, $F_1 = 1$, and $F_k = F_{k-1} + F_{k-2}$ for $k \geq 2$. Compute the remainder when $38809 - F_n$ is divided by $59353$.
51,794
graphs = [ Graph( let={ "_n": Const(59353), "n": SumOverDivisors(n=Const(value=24), var='d', expr=EulerPhi(n=Var(name='d'))), "result": Fibonacci(arg=Ref(name='n')), "Q": Mod(value=Sub(Const(38809), Ref("result")), modulus=Ref("_n")), }, goal=R...
NT
null
COMPUTE
sympy
K3
[ "K3" ]
54c41e
sequence_fibonacci_compute_v1
null
3
0
[ "K3" ]
1
0.002
2026-02-08T12:17:22.449799Z
{ "verified": true, "answer": 51794, "timestamp": "2026-02-08T12:17:22.451591Z" }
405da0
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 155, "completion_tokens": 837 }, "timestamp": "2026-02-14T23:56:41.252Z", "answer": 51794 }, {...
1
[ { "lemma": "K13", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "K3", "status": "ok" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V1", "status": "no" } ]
{ "lo": -6.96, "mid": -4.56, "hi": -1.46 }
94e75d
sequence_fibonacci_compute_v1_397696148_2543
Let $n = 5$. For each ordered pair $(k, j)$ with $k$ an integer from 1 to 6 and $j$ an integer from 1 to 4, compute the value of $k$. Let $S$ be the set of all such values of $k$. Define $$ N = \frac{n \cdot \sum S}{20}. $$ Let $F_N$ denote the $N$-th Fibonacci number, with $F_1 = F_2 = 1$ and $F_k = F_{k-1} + F_{k-2}$...
90,338
graphs = [ Graph( let={ "_n": Const(5), "n": Div(Mul(Ref("_n"), SumOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("k"), Var("_j")]), condition=Const(1), domain=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(6)), right=IntegerRange(start=Const(1), end=Co...
NT
null
COMPUTE
sympy
SUM_INDEPENDENT
[ "SUM_INDEPENDENT/SUM_ARITHMETIC" ]
87e6cf
sequence_fibonacci_compute_v1
null
3
0
[ "SUM_ARITHMETIC", "SUM_INDEPENDENT" ]
2
0.001
2026-02-08T13:24:33.475911Z
{ "verified": true, "answer": 90338, "timestamp": "2026-02-08T13:24:33.477158Z" }
3f3284
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 199, "completion_tokens": 2649 }, "timestamp": "2026-02-15T14:42:30.334Z", "answer": 90338 }, ...
1
[ { "lemma": "K14", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "SUM_ARITHMETIC", "status": "ok_later" }, { "lemma": "SUM_INDEPENDENT", "status": "ok" }, { "lemma": "V1", "status": "no" },...
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
9dd43e
nt_count_with_divisor_count_v1_1520064083_1880
Let $S$ be the set of all positive integers $n$ such that $1 \leq n \leq 48841$ and the number of positive divisors of $n$ is 5. Let $d_{\text{min}}$ be the smallest integer $d \geq 2$ that divides 17303. Compute the Bell number $B_r$, where $r$ is the remainder when the number of elements in $S$ is divided by $d_{\tex...
203
graphs = [ Graph( let={ "_n": Const(2), "upper": Const(48841), "div_count": Const(5), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("upper")), Eq(NumDivisors(n=Var("n")), Ref("div_count"))))), ...
NT
COMB
COUNT
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR" ]
58d7e9
nt_count_with_divisor_count_v1
bell_mod
6
0
[ "MIN_PRIME_FACTOR" ]
1
2.037
2026-02-08T04:21:19.175918Z
{ "verified": true, "answer": 203, "timestamp": "2026-02-08T04:21:21.213339Z" }
4858a9
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 216, "completion_tokens": 1204 }, "timestamp": "2026-02-10T16:20:47.394Z", "answer": 203 }, { "i...
1
[ { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" }...
{ "lo": -3.42, "mid": 1.86, "hi": 7.55 }
5415d6
comb_bell_compute_v1_124444284_6556
Let $n$ be the number of positive integers $p$ for which there exists a positive integer $q$ such that $p \cdot q = 52920$, $\gcd(p, q) = 1$, and $p < q$. Let $\text{result} = B_n$, the $n$-th Bell number. Let $c = 51984$ and $Q = c - \text{result}$. Find the value of $Q$.
47,844
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=52920)), Eq(left=GCD(a=Var(name='p'), b=Var(name='q')), right=Const(value=1))...
NT
COMB
COMPUTE
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS" ]
2bb3aa
comb_bell_compute_v1
null
6
0
[ "COPRIME_PAIRS" ]
1
0.002
2026-02-08T08:31:57.725389Z
{ "verified": true, "answer": 47844, "timestamp": "2026-02-08T08:31:57.727117Z" }
4821e0
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 142, "completion_tokens": 1651 }, "timestamp": "2026-02-13T19:21:58.692Z", "answer": 47844 }, ...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "K13", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" } ]
{ "lo": -3.51, "mid": 1.33, "hi": 6.56 }
f69666
comb_bell_compute_v1_124444284_3286
Let $S$ be the set of all positive integers $p$ for which there exists a positive integer $q$ such that $p < q$, $\gcd(p, q) = 1$, and $p \cdot q = 29348550$. Let $n$ be the minimum value of $x + y$ over all pairs of positive integers $(x, y)$ such that $x \cdot y = |S|$. Compute the $n$th Bell number. Determine the va...
4,140
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=29348550)), Eq(left=GCD(a=Var(name='p'), b=Var(name='q')), right=Const(value...
NT
COMB
COMPUTE
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS/B3" ]
3f0fb0
comb_bell_compute_v1
null
6
0
[ "B3", "COPRIME_PAIRS" ]
2
0.002
2026-02-08T05:20:26.169951Z
{ "verified": true, "answer": 4140, "timestamp": "2026-02-08T05:20:26.171654Z" }
178bd9
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": 1485 }, "timestamp": "2026-02-12T06:42:25.415Z", "answer": 4140 }, {...
1
[ { "lemma": "B3", "status": "ok_later" }, { "lemma": "C2", "status": "no" }, { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", ...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
1823cf
sequence_count_fib_divisible_v1_601307018_3261
Let $M$ be the number of positive integers $p$ for which there exists an integer $q$ such that $p \cdot q = 216$, $\gcd(p, q) = 1$, and $p < q$. Let $R$ be the largest prime number $n$ satisfying $M \le n \le \max\{ d \mid d \ge 1,\, d \mid 359999,\, d^2 \le 359999 \}$. Let $S$ be the number of positive integers $n_1$ ...
74,069
graphs = [ Graph( let={ "_m": Const(44121), "_n": CountOverSet(set=SolutionsSet(var=Var("p"), condition=And(IsPositive(arg=Var(name='p')), Exists(var=Var(name='q'), condition=And(Eq(left=Mul(Var(name='p'), Var(name='q')), right=Const(value=216)), Eq(left=GCD(a=Var(name='p'), b=Var(na...
NT
null
COUNT
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS/MAX_PRIME_BELOW", "B3_CLOSEST/MAX_PRIME_BELOW" ]
c05b12
sequence_count_fib_divisible_v1
null
7
0
[ "B3_CLOSEST", "COPRIME_PAIRS", "MAX_PRIME_BELOW" ]
3
0.01
2026-03-10T03:47:23.956490Z
{ "verified": true, "answer": 74069, "timestamp": "2026-03-10T03:47:23.966483Z" }
a46b5d
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 288, "completion_tokens": 32768 }, "timestamp": "2026-03-29T08:02:48.020Z", "answer": null }, { ...
1
[ { "lemma": "B3_CLOSEST", "status": "ok" }, { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok_later" }, { "lemma": "MOD_SUB", ...
{ "lo": 1.23, "mid": 4.27, "hi": 6.7 }
d460e0
comb_bell_compute_v1_1918700295_2461
Let $n$ be the maximum value of $xy$ over all ordered pairs $(x, y)$ of positive integers such that $x + y = 6$. Let $r = B_n$, the $n$th Bell number. Compute $r + \phi(|r| + 1) + \tau(|r| + 1)$, where $\phi$ denotes Euler's totient function and $\tau(k)$ denotes the number of positive divisors of $k$.
31,079
graphs = [ Graph( let={ "_n": Const(6), "n": MaxOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Sum(Var("x"), Var("y")), Ref("_n")))), expr=Mul(Var("x"), Var("y")))), ...
NT
COMB
COMPUTE
sympy
B1
[ "B1" ]
5b950e
comb_bell_compute_v1
null
5
0
[ "B1" ]
1
0.001
2026-02-08T07:54:18.336668Z
{ "verified": true, "answer": 31079, "timestamp": "2026-02-08T07:54:18.338022Z" }
cf0f3b
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": 7089 }, "timestamp": "2026-02-13T13:16:53.307Z", "answer": 31079 }, ...
1
[ { "lemma": "B1", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" } ]
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
a846bc
nt_count_gcd_equals_v1_397696148_2158
Let $k$ be the number of integers $t$ with $7 \leq t \leq 185$ for which there exist positive integers $a \leq 39$ and $b \leq 17$ such that $t = 3a + 4b$. Let $S$ be the set of positive integers $n \leq 7225$ such that $\gcd(n, k) = 1$. Find the number of elements in $S$.
7,184
graphs = [ Graph( let={ "upper": Const(7225), "k": 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=39)), Geq(left...
NT
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
nt_count_gcd_equals_v1
null
5
0
[ "LIN_FORM" ]
1
0.585
2026-02-08T12:58:18.168246Z
{ "verified": true, "answer": 7184, "timestamp": "2026-02-08T12:58:18.753006Z" }
700363
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": 3232 }, "timestamp": "2026-02-15T08:15:57.371Z", "answer": 7184 }, {...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V3", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
507554
antilemma_sum_equals_v1_124444284_1113
Let $n$ be the number of integers $t$ such that $18 \leq t \leq 158$ and there exist positive integers $a$ and $b$ with $1 \leq a \leq 6$, $1 \leq b \leq 11$, and $t = 8a + 10b$. Let $x$ be the number of ordered pairs $(i, j)$ of positive integers such that $1 \leq i \leq 57$, $1 \leq j \leq 58$, and $i + j = n$. Compu...
57
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=6)), Geq(left=Var(name='b'), right=Const(value=...
COMB
GEOM
COMPUTE
sympy
COUNT_SUM_EQUALS
[ "LIN_FORM/COUNT_SUM_EQUALS", "COUNT_SUM_EQUALS" ]
ada383
antilemma_sum_equals_v1
null
4
0
[ "COUNT_SUM_EQUALS", "LIN_FORM" ]
2
0.024
2026-02-08T03:41:12.170908Z
{ "verified": true, "answer": 57, "timestamp": "2026-02-08T03:41:12.194810Z" }
8ff2c4
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 241, "completion_tokens": 2994 }, "timestamp": "2026-02-23T22:43:58.229Z", "answer": 57 }, { "id"...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V7", "status...
{ "lo": -2.46, "mid": 0.47, "hi": 3.59 }
ebc9c0
antilemma_k3_v1_655260480_3243
Let $ n = 35485 $. Define $ x $ to be the sum of $ \phi(d) $ over all positive divisors $ d $ of $ n $, where $ \phi $ denotes Euler's totient function. Compute $ x $.
35,485
graphs = [ Graph( let={ "x": SumOverDivisors(n=Const(value=35485), var='d', expr=EulerPhi(n=Var(name='d'))), }, goal=Ref("x"), ) ]
NT
COMB
COMPUTE
sympy
K3
[ "K3" ]
54c41e
antilemma_k3_v1
null
3
0
[ "K3" ]
1
0.001
2026-02-08T17:17:06.120099Z
{ "verified": true, "answer": 35485, "timestamp": "2026-02-08T17:17:06.120610Z" }
bbe5e3
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 97, "completion_tokens": 905 }, "timestamp": "2026-02-17T22:46:35.242Z", "answer": 35485 }, { ...
1
[ { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "K3", "status": "ok" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V1", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
ab75f2
diophantine_fbi2_min_v1_655260480_6198
Let $k = 24$. Determine the smallest integer $d$ such that $3 \leq d \leq 34$, $d$ divides $k$, and $\frac{k}{d} \geq 2$.
3
graphs = [ Graph( let={ "k": Const(24), "a": Const(2), "b": Const(1), "upper": Const(34), "result": MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(3)), Leq(Var("d"), Ref("upper")), Divides(divisor=Var("d"), dividend=Ref...
NT
null
EXTREMUM
sympy
B3
[ "C5" ]
1d9668
diophantine_fbi2_min_v1
null
3
0
[ "B3", "C5" ]
2
0.064
2026-02-08T18:54:54.581415Z
{ "verified": true, "answer": 3, "timestamp": "2026-02-08T18:54:54.644961Z" }
ff55de
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 92, "completion_tokens": 677 }, "timestamp": "2026-02-18T20:29:06.077Z", "answer": 3 }, { ...
1
[ { "lemma": "C5", "status": "ok" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
e63acd
diophantine_fbi2_min_v1_1874849503_914
Let $k = 77$. Find the smallest integer $d$ such that $2 \leq d \leq 87$, $d$ divides $k$, and $\frac{k}{d} \geq 4$.
7
graphs = [ Graph( let={ "k": Const(77), "a": Const(1), "b": Const(3), "upper": Const(87), "result": MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(2)), Leq(Var("d"), Ref("upper")), Divides(divisor=Var("d"), dividend=Ref...
NT
null
EXTREMUM
sympy
COPRIME_PAIRS
[ "ONE_PHI_2", "K2" ]
92c96e
diophantine_fbi2_min_v1
null
2
0
[ "COPRIME_PAIRS", "K2", "ONE_PHI_2" ]
3
0.067
2026-02-08T13:24:47.024411Z
{ "verified": true, "answer": 7, "timestamp": "2026-02-08T13:24:47.091848Z" }
cde85e
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": 333 }, "timestamp": "2026-02-09T22:39:41.937Z", "answer": 7 }, { "id": ...
1
[ { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" ...
{ "lo": -8.26, "mid": -5.01, "hi": -1.76 }
87a85c
diophantine_fbi2_count_v1_784195855_283
Let $d_{\min}$ be the smallest divisor $d \ge 2$ of $11021$. Let $k = 180$. Let $D$ be the set of all integers $d$ such that $5 \le d \le d_{\min}$, $d$ divides $k$, $k/d \ge 3$, and $k/d \le 101$, where $101$ is the smallest divisor $\ge 2$ of $10403$. Let $\text{result} = |D|$. Let $Q = 33489 - \text{result}$. Comput...
33,477
graphs = [ Graph( let={ "_n": Const(11021), "k": Const(180), "result": CountOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(5)), Leq(Var("d"), MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(2)), Divides(divisor=Var("d"...
NT
null
COUNT
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR" ]
bc3776
diophantine_fbi2_count_v1
null
4
0
[ "MIN_PRIME_FACTOR" ]
1
0.009
2026-02-08T03:04:30.839366Z
{ "verified": true, "answer": 33477, "timestamp": "2026-02-08T03:04:30.848094Z" }
e9549f
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 237, "completion_tokens": 2249 }, "timestamp": "2026-02-10T12:38:30.653Z", "answer": 33477 }, { ...
1
[ { "lemma": "K15", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "V1", "status": "no" }, { "lemma": "V3", "status": "no" } ]
{ "lo": -5.55, "mid": -3.02, "hi": 0.32 }
436bfa
antilemma_sum_equals_v1_48377204_2478
Let $m = 9$. Let $n$ be the number of ordered pairs $(i, j)$ of integers with $1 \leq i \leq 8$ and $1 \leq j \leq 8$ such that $i + j = m$. Let $x$ be the number of ordered pairs $(i_1, j_1)$ of integers with $1 \leq i_1 \leq 8$ and $1 \leq j_1 \leq 8$ such that $i_1 + j_1 = n$. Define $$ Q = \sum_{n=1}^{|x|} \phi(n),...
18
graphs = [ Graph( let={ "_m": Const(9), "_n": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=Eq(Sum(Var("i"), Var("j")), Ref("_m")), domain=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(8)), right=IntegerRange(start=Const(1), end=Cons...
COMB
GEOM
COMPUTE
sympy
LIN_FORM
[ "COUNT_SUM_EQUALS/COUNT_SUM_EQUALS", "COUNT_SUM_EQUALS" ]
ae9919
antilemma_sum_equals_v1
null
4
0
[ "COUNT_SUM_EQUALS", "LIN_FORM" ]
2
0.042
2026-02-08T16:47:18.472148Z
{ "verified": true, "answer": 18, "timestamp": "2026-02-08T16:47:18.514123Z" }
364156
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 213, "completion_tokens": 983 }, "timestamp": "2026-02-17T12:05:32.375Z", "answer": 16 }, {...
1
[ { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8_SU...
{ "lo": -5.64, "mid": -3.17, "hi": -0.81 }
97e008
nt_min_with_divisor_count_v1_971394319_1332
Let $u = 52441$ and $d = 8$. Define $r$ to be the smallest positive integer $n$ such that $n \leq u$ and $n$ has exactly $8$ positive divisors. Let $A$ be the set of all positive integers $p$ such that there exists a positive integer $q$ with $p \cdot q = 6$, $\gcd(p, q) = 1$, and $p < q$. Let $a = |A|$. Let $B$ be the...
1,048
graphs = [ Graph( let={ "_n": Const(54383), "upper": Const(52441), "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"))))), ...
NT
null
EXTREMUM
sympy
V1
[ "COPRIME_PAIRS", "C4" ]
583d7c
nt_min_with_divisor_count_v1
mod_exp
5
0
[ "C4", "COPRIME_PAIRS", "V1" ]
3
3.353
2026-02-08T13:37:02.977148Z
{ "verified": true, "answer": 1048, "timestamp": "2026-02-08T13:37:06.330422Z" }
907ac9
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 238, "completion_tokens": 1405 }, "timestamp": "2026-02-15T18:49:56.324Z", "answer": 1048 }, {...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "C4", "status": "ok" }, { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma...
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
be46ff
nt_count_with_divisor_count_v1_151522320_1653
Let $P$ be the set of all prime numbers $n$ such that $2 \le n \le 227$. Let $d$ be the number of elements in $P$. Consider the set of all ordered pairs $(x,y)$ of positive integers such that $xy = d$. For each such pair, compute $x + y$, and let $k$ be the minimum value of $x + y$ over all such pairs. Compute the nu...
218
graphs = [ Graph( let={ "_n": Const(2), "upper": Const(73984), "div_count": 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")), CountOv...
NT
null
COUNT
sympy
COUNT_PRIMES
[ "COUNT_PRIMES/B3" ]
3caaca
nt_count_with_divisor_count_v1
null
6
0
[ "B3", "COUNT_PRIMES" ]
2
4.616
2026-02-08T04:10:09.381578Z
{ "verified": true, "answer": 218, "timestamp": "2026-02-08T04:10:13.998074Z" }
4ad82b
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 247, "completion_tokens": 4436 }, "timestamp": "2026-02-10T15:38:18.621Z", "answer": 218 }, { "i...
1
[ { "lemma": "B3", "status": "ok_later" }, { "lemma": "COUNT_PRIMES", "status": "ok" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no"...
{ "lo": -3.42, "mid": 1.86, "hi": 7.55 }
867be8
geo_count_lattice_rect_v1_1125832087_929
Compute the number of lattice points $(x, y)$ such that $0 \leq x \leq 100$ and $0 \leq y \leq 295$.
29,896
graphs = [ Graph( let={ "a": Const(100), "b": Const(295), "result": LatticePointsRect(a=Ref(name='a'), b=Ref(name='b')), }, goal=Ref("result"), ) ]
GEOM
null
COUNT
sympy
[]
geo_count_lattice_rect_v1
null
2
0
null
null
0.001
2026-02-08T03:22:07.264784Z
{ "verified": true, "answer": 29896, "timestamp": "2026-02-08T03:22:07.266278Z" }
5a2655
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 148, "completion_tokens": 155 }, "timestamp": "2026-02-10T14:04:03.154Z", "answer": 29896 }, { "i...
1
[]
{ "lo": -5.97, "mid": -3.96, "hi": -1.93 }
6b29ed
antilemma_k3_v1_2051736721_1404
Let $x = \sum_{d \mid 99879} \phi(d)$, where the sum is over all positive divisors $d$ of $99879$. Let $c$ be the sum of all real numbers $x_1$ such that $x_1^2 - 44x_1 - 12512 = 0$. Compute the remainder when $c - x$ is divided by $78685$.
57,535
graphs = [ Graph( let={ "_n": Const(2), "x": SumOverDivisors(n=Const(value=99879), var='d', expr=EulerPhi(n=Var(name='d'))), "_c": SumOverSet(set=SolutionsSet(var=Var("x1"), condition=Eq(Sum(Pow(Var("x1"), Ref("_n")), Mul(Const(-44), Var("x1")), Const(-12512)), Sub(Const(...
NT
COMB
COMPUTE
sympy
K13
[ "VIETA_SUM", "IDENTITY_SUB_SELF", "K3" ]
5061b4
antilemma_k3_v1
negation_mod
3
0
[ "IDENTITY_SUB_SELF", "K13", "K3", "VIETA_SUM" ]
4
0.005
2026-02-08T16:02:03.109522Z
{ "verified": true, "answer": 57535, "timestamp": "2026-02-08T16:02:03.114493Z" }
715d1d
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": 533 }, "timestamp": "2026-02-16T19:43:52.061Z", "answer": 57535 }, {...
1
[ { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "IDENTITY_SUB_SELF", "status": "ok" }, { "lemma": "K3", "status": "ok" }, { "lemma": "K5", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "V3", "status": "no" },...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
0056e2
algebra_poly_eval_v1_601307018_713
Let $n = 9$. Compute $$2n^3 - 2n^2 + n + \min_{\substack{1 \le a \le 8 \\ 1 \le b \le 8}} \left( 5a^2 + \left| \left\{ (a_1, b_1) \in [1,30]^2 : -9a_1^3 - 27a_1 b_1^2 + 27a_1^2 b_1 + 9b_1^3 = \min_{\substack{1 \le a_2 \le 26 \\ 1 \le b_2 \le 26}} (65a_2^3 + 219a_2 b_2^2 + 201a_2^2 b_2 + 91b_2^3) \right\} \right| \cdot ...
1,315
graphs = [ Graph( let={ "_m": Const(30), "_n": Const(2), "n": Const(9), "result": Sum(Mul(Const(2), Pow(Ref("n"), Const(3))), Mul(Const(-2), Pow(Ref("n"), Ref("_n"))), Ref("n"), MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b")]...
ALG
null
COMPUTE
sympy
POLY3_MIN
[ "POLY3_MIN/POLY3_COUNT/QF_PSD_MIN" ]
ec843a
algebra_poly_eval_v1
null
6
0
[ "POLY3_COUNT", "POLY3_MIN", "QF_PSD_MIN" ]
3
0.031
2026-03-10T01:21:53.091715Z
{ "verified": true, "answer": 1315, "timestamp": "2026-03-10T01:21:53.122820Z" }
253c5c
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 317, "completion_tokens": 2521 }, "timestamp": "2026-03-28T23:54:18.706Z", "answer": 1315 }, { "i...
1
[ { "lemma": "POLY3_COUNT", "status": "ok_later" }, { "lemma": "POLY3_MIN", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "QF_PSD_MIN", "status": "ok_later" } ]
{ "lo": -0.92, "mid": 2.07, "hi": 4.68 }
bfc283
nt_count_gcd_equals_v1_349078426_606
Let $k = 378$. Let $d$ be the number of positive integers $k'$ such that $1 \leq k' \leq 432$ and $16$ divides $k'$. Let $N$ be the number of positive integers $n$ such that $1 \leq n \leq 32400$ and $\gcd(n, k) = d$. Find the remainder when $44121 \cdot N$ is divided by $76000$.
30,194
graphs = [ Graph( let={ "upper": Const(32400), "k": Const(378), "d": CountOverSet(set=SolutionsSet(var=Var("k"), condition=And(Geq(Var("k"), Const(1)), Leq(Var("k"), Const(432)), Divides(divisor=Const(16), dividend=Var("k"))), domain='positive_integers')), "re...
NT
null
COUNT
sympy
C2
[ "C2" ]
9685eb
nt_count_gcd_equals_v1
null
5
0
[ "C2" ]
1
3.437
2026-02-08T13:10:04.900290Z
{ "verified": true, "answer": 30194, "timestamp": "2026-02-08T13:10:08.337123Z" }
29defb
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 144, "completion_tokens": 1645 }, "timestamp": "2026-02-15T10:23:33.463Z", "answer": 30194 }, ...
1
[ { "lemma": "C2", "status": "ok" }, { "lemma": "K18", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V5", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
9582f5
nt_count_divisors_in_range_v1_48377204_1251
Let $A$ be the set of all positive integers $p$ for which there exists a positive integer $q$ such that $p \cdot q = 24$, $\gcd(p, q) = 1$, and $p < q$. Let $n$ be the number of elements in $A$. Define $a$ to be the largest integer $k$ such that $n^k \leq 133737864$. Let $N = 332640$ and $b = 15849$. Compute the number...
155
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=24)), Eq(left=GCD(a=Var(name='p'), b=Var(name='q')), right=Const(value=1)), ...
NT
null
COUNT
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS/MAX_VAL" ]
aa93c6
nt_count_divisors_in_range_v1
null
5
0
[ "COPRIME_PAIRS", "MAX_VAL" ]
2
0.197
2026-02-08T16:00:09.001760Z
{ "verified": true, "answer": 155, "timestamp": "2026-02-08T16:00:09.198292Z" }
47eed3
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": 2119 }, "timestamp": "2026-02-16T18:26:25.023Z", "answer": 155 }, { ...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MAX_VAL", "status": "ok_later" }, { "lemma": "MOD_MUL", "s...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
149d14
comb_sum_binomial_row_v1_124444284_5950
Let $c = 320$ and $m = 2$. Let $S$ be the set of all positive integers $t$ such that there exist positive integers $a$ and $b$ with $1 \le a \le 4$, $1 \le b \le 20$, $27 \le t \le 300$, and $t = 15a + 12b$. Let $n$ be the number of elements in $S$. Let $T$ be the set of all positive integers $k$ such that $1 \le k \le...
1,024
graphs = [ Graph( let={ "_c": Const(320), "_m": Const(2), "_n": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=C...
NT
null
SUM
sympy
SUM_DIVISIBLE
[ "SUM_DIVISIBLE/C2", "LIN_FORM/C2" ]
e29d1e
comb_sum_binomial_row_v1
null
6
0
[ "C2", "LIN_FORM", "SUM_DIVISIBLE" ]
3
0.003
2026-02-08T06:57:21.667450Z
{ "verified": true, "answer": 1024, "timestamp": "2026-02-08T06:57:21.670808Z" }
439284
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 251, "completion_tokens": 3109 }, "timestamp": "2026-02-13T06:18:14.230Z", "answer": 4 }, {...
1
[ { "lemma": "C2", "status": "ok_later" }, { "lemma": "K17", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
99141d
alg_sum_powers_v1_1218484723_5562
Let $C$ be the number of ordered pairs $(a, b)$ of positive integers with $1 \le a, b \le 40$ such that $25b^2 + 22ab + 34a^2 \le 61513$. Let $M$ be the minimum value of $x + y$ over all pairs of positive integers $(x, y)$ with $xy = 1806336$. Define $R = \left(\sum_{k=1}^{C} k^2\right) \bmod M$. Find the remainder whe...
2,002
graphs = [ Graph( let={ "_m": Const(40), "_n": Const(68585), "result": Mod(value=Summation(var="k", start=Const(1), end=CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), Const(40)), Geq(Var("b"), C...
ALG
null
COMPUTE
sympy
QF_PSD_COUNT_LEQ
[ "QF_PSD_COUNT_LEQ", "B3" ]
3a349f
alg_sum_powers_v1
null
5
0
[ "B3", "QF_PSD_COUNT_LEQ" ]
2
0.057
2026-02-25T07:04:17.019477Z
{ "verified": true, "answer": 2002, "timestamp": "2026-02-25T07:04:17.076031Z" }
e9f12e
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": 12042 }, "timestamp": "2026-03-29T21:43:57.636Z", "answer": 2002 }, { "...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "QF_PSD_COUNT_LEQ", "status": "ok" } ]
{ "lo": 1.53, "mid": 4.7, "hi": 7.23 }
7764bb
nt_sum_over_divisible_v1_458359167_2633
Let $n = 13$. Let the upper bound be $45360$. Define $d$ to be the largest positive divisor of $33616$ that is at most $176$. Let $S$ be the set of all positive integers $k$ such that $1 \leq k \leq 45360$ and $k$ is divisible by $d$. Let $R$ be the sum of all elements in $S$. Compute the value of $n - R$, and then fin...
28,735
graphs = [ Graph( let={ "_n": Const(13), "upper": Const(45360), "divisor": MaxOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(1)), Leq(Var("d"), Const(176)), Divides(divisor=Var("d"), dividend=Const(33616))))), "result": SumOverSet(set...
NT
null
SUM
sympy
MAX_DIVISOR
[ "MAX_DIVISOR" ]
51757e
nt_sum_over_divisible_v1
null
3
0
[ "MAX_DIVISOR" ]
1
3.798
2026-02-08T06:23:06.882224Z
{ "verified": true, "answer": 28735, "timestamp": "2026-02-08T06:23:10.680070Z" }
e98d39
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 167, "completion_tokens": 6390 }, "timestamp": "2026-02-13T03:18:32.304Z", "answer": 28735 }, ...
1
[ { "lemma": "L3c", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MAX_DIVISOR", "status": "ok" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V3", "status": "no" } ]
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
27a4cd
nt_count_digit_sum_v1_1125832087_420
Let $T$ be the set of all ordered pairs $(x, y)$ of positive integers such that $xy = 121$. Let $s$ be the minimum value of $x + y$ over all pairs in $T$. Determine the number of positive integers $n$ less than or equal to $99999$ such that the sum of the digits of $n$ is equal to $s$.
6,000
graphs = [ Graph( let={ "upper": Const(99999), "target_sum": 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(121)))), expr=Sum(Var("x"), ...
NT
null
COUNT
sympy
B3
[ "B3" ]
0cd20d
nt_count_digit_sum_v1
null
5
0
[ "B3" ]
1
4.748
2026-02-08T03:03:52.314966Z
{ "verified": true, "answer": 6000, "timestamp": "2026-02-08T03:03:57.063457Z" }
284f72
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 193, "completion_tokens": 1595 }, "timestamp": "2026-02-10T12:34:57.713Z", "answer": 6000 }, { "i...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": -3.47, "mid": 0.81, "hi": 4.81 }
c9354c
nt_count_coprime_v1_1742523217_36
Let $m = 41$. Let $n$ be the largest prime number less than or equal to $12$. Let $k$ be the largest prime number less than or equal to $m$. Let $S$ be the set of all positive integers $x$ such that $1 \leq x \leq 73984$ and $\gcd(x, k) = 1$. Let $r$ be the number of elements in $S$. Let $q$ be the remainder when $r$ i...
21,147
graphs = [ Graph( let={ "_m": Const(41), "_n": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Const(12)), IsPrime(Var("n"))))), "upper": Const(73984), "k": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(...
NT
COMB
COUNT
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW/MAX_PRIME_BELOW" ]
9daedf
nt_count_coprime_v1
bell_mod
6
0
[ "MAX_PRIME_BELOW" ]
1
5.303
2026-02-08T02:50:38.985103Z
{ "verified": true, "answer": 21147, "timestamp": "2026-02-08T02:50:44.288113Z" }
126b35
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 247, "completion_tokens": 622 }, "timestamp": "2026-02-09T12:43:39.353Z", "answer": 21147 }, { "i...
1
[ { "lemma": "DS2", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V7", "status": "no" } ]
{ "lo": -4.32, "mid": -2.03, "hi": 0.23 }
67c438
nt_count_digit_sum_v1_458359167_4822
Let $S$ be the set of all ordered pairs $(a, b)$ where $a$ is an integer from 1 to 99 and $b$ is an integer from 1 to 101. Let $N$ be the number of positive integers $n$ such that $1 \leq n \leq |S|$ and the sum of the decimal digits of $n$ is 18. Let $c = 53712$. Compute the remainder when $c \cdot N$ is divided by 73...
31,188
graphs = [ Graph( let={ "upper": CountOverSet(set=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(99)), right=IntegerRange(start=Const(1), end=Const(101)))), "target_sum": Const(18), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var(...
NT
null
COUNT
sympy
COUNT_CARTESIAN
[ "COUNT_CARTESIAN" ]
409d7d
nt_count_digit_sum_v1
null
4
0
[ "COUNT_CARTESIAN" ]
1
0.371
2026-02-08T12:05:29.093897Z
{ "verified": true, "answer": 31188, "timestamp": "2026-02-08T12:05:29.465185Z" }
204091
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": 1071 }, "timestamp": "2026-02-14T22:15:50.669Z", "answer": 31188 }, ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "ok" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "V8", "status": "no" ...
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
84a6f8
diophantine_fbi2_count_v1_1915831931_2237
Let $k = 240$. Let $P$ be the set of prime numbers $n$ such that $2 \leq n \leq 105$, and let $M$ be the largest element of $P$. Let $Q$ be the set of prime numbers $n_1$ such that $2 \leq n_1 \leq 4$, and let $m$ be the largest element of $Q$. Determine the number of integers $d$ such that $3 \leq d \leq M$, $d$ divid...
16
graphs = [ Graph( let={ "_n": Const(4), "k": Const(240), "result": CountOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(3)), Leq(Var("d"), MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Const(105)), ...
NT
null
COUNT
sympy
C2
[ "MAX_PRIME_BELOW" ]
dc3ad3
diophantine_fbi2_count_v1
null
4
0
[ "C2", "MAX_PRIME_BELOW" ]
2
0.142
2026-02-08T16:40:59.683103Z
{ "verified": true, "answer": 16, "timestamp": "2026-02-08T16:40:59.824923Z" }
bd32cc
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 189, "completion_tokens": 1382 }, "timestamp": "2026-02-17T09:54:03.420Z", "answer": 16 }, { ...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "V1", "status": "no" }, { "lemma": "V5", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
47ad21
sequence_lucas_compute_v1_2051736721_1120
Let $n$ be the largest prime number less than or equal to 22. Compute the $n$-th Lucas number.
9,349
graphs = [ Graph( let={ "_n": Const(22), "n": MaxOverSet(set=SolutionsSet(var=Var("n1"), condition=And(Geq(Var("n1"), Const(2)), Leq(Var("n1"), Ref("_n")), IsPrime(Var("n1"))))), "result": Lucas(arg=Ref(name='n')), }, goal=Ref("result"), ) ]
NT
null
COMPUTE
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW" ]
dc3ad3
sequence_lucas_compute_v1
null
2
0
[ "MAX_PRIME_BELOW" ]
1
0.001
2026-02-08T15:50:59.676972Z
{ "verified": true, "answer": 9349, "timestamp": "2026-02-08T15:50:59.678448Z" }
22d29e
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": 601 }, "timestamp": "2026-02-16T14:38:20.781Z", "answer": 9349 }, { ...
1
[ { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V3", "status": "no" }, { "lemma": "V8_SUM",...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
cd5f5e
alg_poly_preperiod_count_v1_1218484723_6251
Let $N = a^3 - 2a \bmod 29$, $M = N^3 - 2N \bmod 29$, and $R = M^3 - 2M \bmod 29$. Find the number of non-negative integers $a$ with $0 \le a \le 9366$ such that $R = N$ and $M \neq N$.
1,938
graphs = [ Graph( let={ "p1": Mod(value=Sum(Pow(Var("a"), Const(3)), Mul(Const(-2), Var("a"))), modulus=Const(29)), "p2": Mod(value=Sum(Pow(Ref("p1"), Const(3)), Mul(Const(-2), Ref("p1"))), modulus=Const(29)), "p3": Mod(value=Sum(Pow(Ref("p2"), Const(3)), Mul(Const(-2), R...
ALG
null
COUNT
sympy
POLY_ORBIT_COUNT
[ "POLY_ORBIT_COUNT" ]
4ad965
alg_poly_preperiod_count_v1
null
6
null
[ "POLY_ORBIT_COUNT" ]
1
0.013
2026-02-25T07:49:10.354566Z
{ "verified": true, "answer": 1938, "timestamp": "2026-02-25T07:49:10.367068Z" }
bae171
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 196, "completion_tokens": 8166 }, "timestamp": "2026-03-30T00:54:47.505Z", "answer": 1938 }, { "i...
1
[ { "lemma": "POLY_ORBIT_COUNT", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": -3.33, "mid": 1.03, "hi": 5.26 }
85699c
comb_catalan_compute_v1_151522320_269
Let $N = 49571$. Let $S$ be the set of all positive integers $t$ such that $15 \leq t \leq 51$ and $t = 6a + 9b$ for some integers $a$ and $b$ with $1 \leq a \leq 4$ and $1 \leq b \leq 3$. Let $n = |S|$. Let $C_n$ denote the $n$-th Catalan number. Compute the remainder when $N \cdot C_n$ is divided by $86812$.
62,402
graphs = [ Graph( let={ "_n": Const(49571), "n": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=4)), Geq(left=Va...
COMB
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
comb_catalan_compute_v1
null
5
0
[ "LIN_FORM" ]
1
0.002
2026-02-08T03:07:07.418608Z
{ "verified": true, "answer": 62402, "timestamp": "2026-02-08T03:07:07.420218Z" }
19557c
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 237, "completion_tokens": 4360 }, "timestamp": "2026-02-10T13:06:38.405Z", "answer": 62402 }, { "...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", ...
{ "lo": -0.05, "mid": 2.89, "hi": 5.27 }
31d6b2
nt_sum_divisors_range_v1_1520064083_8405
Let $N = 33$. Define $\text{upper}$ to be the number of positive integers $k$ such that $1 \leq k \leq 216513$ and $N$ divides $k$. Let $\text{result}$ be the sum of the number of positive divisors of $n$, taken over all positive integers $n$ from $1$ to $\text{upper}$. Let $Q$ be the remainder when $44121 \cdot \text{...
35,051
graphs = [ Graph( let={ "_n": Const(33), "upper": CountOverSet(set=SolutionsSet(var=Var("k"), condition=And(Geq(Var("k"), Const(1)), Leq(Var("k"), Const(216513)), Divides(divisor=Ref("_n"), dividend=Var("k"))), domain='positive_integers')), "result": SumOverSet(set=MapOve...
NT
null
SUM
sympy
C2
[ "C2" ]
9685eb
nt_sum_divisors_range_v1
null
5
0
[ "C2" ]
1
0.469
2026-02-08T10:10:22.793820Z
{ "verified": true, "answer": 35051, "timestamp": "2026-02-08T10:10:23.262856Z" }
c94d76
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 157, "completion_tokens": 4603 }, "timestamp": "2026-02-14T06:39:17.935Z", "answer": 35051 }, ...
1
[ { "lemma": "C2", "status": "ok" }, { "lemma": "K18", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
e1122d
diophantine_product_count_v1_458359167_2079
Let $n = 9$. Consider the set of all ordered pairs $(x, y)$ of positive integers such that $x + y = 6$. Let $M$ be the maximum value of $xy$ over all such pairs. Define $$ \text{upper} = \sum_{k=1}^{M} \varphi(k) \left\lfloor \frac{n}{k} \right\rfloor, $$ where $\varphi(k)$ denotes Euler's totient function. Let $k = 60...
10
graphs = [ Graph( let={ "_n": Const(9), "k": Const(60), "upper": Summation(var="k", start=Const(1), end=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(...
NT
null
COUNT
sympy
L3B
[ "B1/K2" ]
ebd04c
diophantine_product_count_v1
null
6
0
[ "B1", "K2", "L3B" ]
3
0.143
2026-02-08T05:07:09.733939Z
{ "verified": true, "answer": 10, "timestamp": "2026-02-08T05:07:09.877375Z" }
e0ec13
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 269, "completion_tokens": 1875 }, "timestamp": "2026-02-11T22:54:55.445Z", "answer": 10 }, { "id"...
1
[ { "lemma": "B1", "status": "ok" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "K2", "status": "ok_later" }, { "lemma": "K5", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { ...
{ "lo": -3.45, "mid": 1.15, "hi": 6.18 }
9f1409
nt_count_divisors_in_range_v1_458359167_2114
Let $n = 1680$. Let $a = 8$. Let $b$ be the number of ordered pairs $(x_1, x_2)$ of positive odd integers such that $x_1 + x_2 = 850$. Let $r$ be the number of positive divisors $d$ of $n$ such that $a \leq d \leq b$. Compute the remainder when $57081 \cdot r$ is divided by $55852$.
36,870
graphs = [ Graph( let={ "n": Const(1680), "a": Const(8), "b": 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(S...
NT
null
COUNT
sympy
COMB1
[ "COMB1" ]
567f58
nt_count_divisors_in_range_v1
null
5
0
[ "COMB1" ]
1
0.007
2026-02-08T05:08:40.715297Z
{ "verified": true, "answer": 36870, "timestamp": "2026-02-08T05:08:40.722202Z" }
88b14b
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 212, "completion_tokens": 2422 }, "timestamp": "2026-02-11T22:56:26.271Z", "answer": 36870 }, { ...
1
[ { "lemma": "COMB1", "status": "ok" }, { "lemma": "K17", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" } ]
{ "lo": -3.42, "mid": 1.86, "hi": 7.55 }
b58795
antilemma_sum_primes_v1_1874849503_220
Let $M$ be the number of positive integers $p$ for which there exists a positive integer $q$ such that $$pq=18, \quad \gcd(p,q)=1, \quad p<q.$$ Let $S$ be the sum of all prime numbers $n$ with $M\le n\le 154$. Write $|S|$ in base $10$ as $\sum_{i=0}^{t} a_i 10^i$ with digits $a_i\in\{0,1,\dots,9\}$ and $a_t\ne 0$. De...
102
graphs = [ Graph( let={ "_c": Const(2), "_m": 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=18)), Eq(left=GCD(a=Var(name='p'), b=Var(name='q...
NT
null
COMPUTE
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS/L3C/SUM_PRIMES", "L3C", "SUM_PRIMES" ]
158d3b
antilemma_sum_primes_v1
digits_weighted_mod
7
0
[ "COPRIME_PAIRS", "L3C", "SUM_PRIMES" ]
3
0.007
2026-02-08T12:53:11.792349Z
{ "verified": true, "answer": 102, "timestamp": "2026-02-08T12:53:11.798882Z" }
13fdce
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 338, "completion_tokens": 5078 }, "timestamp": "2026-02-09T14:48:19.437Z", "answer": 102 }, { "id...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "L3C", "status": "ok" }, { ...
{ "lo": -6.51, "mid": -0.31, "hi": 5.43 }
9559a0
sequence_lucas_compute_v1_784195855_4333
Let $m = 4$. Consider the set of all prime numbers $n$ such that $2 \leq n \leq m$. Let $n_{\text{max}}$ be the largest element of this set. Now, let $k$ be the largest positive integer such that $n_{\text{max}}^k \leq 784719429$. Compute the $k$-th Lucas number.
5,778
graphs = [ Graph( let={ "_m": Const(4), "_n": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Ref("_m")), IsPrime(Var("n"))))), "n": MaxOverSet(set=SolutionsSet(var=Var("k"), condition=Leq(Pow(Ref("_n"), Var("k")), Const(7847...
NT
null
COMPUTE
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW/MAX_VAL" ]
b2f06b
sequence_lucas_compute_v1
null
5
0
[ "MAX_PRIME_BELOW", "MAX_VAL" ]
2
0.002
2026-02-08T07:02:16.487819Z
{ "verified": true, "answer": 5778, "timestamp": "2026-02-08T07:02:16.490043Z" }
1b328a
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 129, "completion_tokens": 984 }, "timestamp": "2026-02-13T07:19:39.000Z", "answer": 5778 }, { ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "MAX_VAL", "status": "ok_later" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", ...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
f61b06
nt_count_intersection_v1_548369836_410
Let $N = 20000$. Define $a$ to be the number of integers $t$ such that $5 \leq t \leq 15$ and there exist integers $a$ and $b$ with $1 \leq a \leq 3$, $1 \leq b \leq 3$, and $t = 3a + 2b$. Let $b = 22$. Define $S$ to be the set of all positive integers $n \leq N$ such that $a$ divides $n$ and $\gcd(n, b) = 1$. Compute ...
1,010
graphs = [ Graph( let={ "N": Const(20000), "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=3)), Geq(left=Var...
NT
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
nt_count_intersection_v1
null
5
0
[ "LIN_FORM" ]
1
6.305
2026-02-08T02:54:04.185750Z
{ "verified": true, "answer": 1010, "timestamp": "2026-02-08T02:54:10.491104Z" }
1ae278
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 253, "completion_tokens": 825 }, "timestamp": "2026-02-08T20:26:26.555Z", "answer": 1010 }, { "id...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "V8_SUM", "status": "no"...
{ "lo": -0.87, "mid": 0.99, "hi": 2.61 }
6f6b37
nt_max_prime_below_v1_677425708_592
Let $ S $ be the set of all positive integers $ p $ for which there exists a positive integer $ q $ such that $ pq = 18 $, $ \gcd(p, q) = 1 $, and $ p < q $. Let $ t $ be the number of elements in $ S $. Determine the largest prime number $ n $ such that $ t \leq n \leq 40000 $.
39,989
graphs = [ Graph( let={ "upper": Const(40000), "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
3
0
[ "COPRIME_PAIRS" ]
1
1.494
2026-02-08T03:36:18.986076Z
{ "verified": true, "answer": 39989, "timestamp": "2026-02-08T03:36:20.480252Z" }
3be7e4
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 201, "completion_tokens": 3760 }, "timestamp": "2026-02-08T20:48:23.238Z", "answer": 39989 }, { "...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V1", "...
{ "lo": -3.53, "mid": 1.02, "hi": 5.49 }
30c3c3
sequence_fibonacci_compute_v1_1520064083_9696
Let $n$ be the number of integers $t$ such that $14 \leq t \leq 68$ and there exist positive integers $a$, $b$ with $1 \leq a \leq 6$, $1 \leq b \leq 4$, satisfying $t = 6a + 8b$. Compute the value of the $n$-th Fibonacci number.
17,711
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=6)), Geq(left=Var(name='b'), right=Const(value=1...
NT
null
COMPUTE
sympy
C3
[ "LIN_FORM" ]
7b2633
sequence_fibonacci_compute_v1
null
5
0
[ "C3", "LIN_FORM" ]
2
0.01
2026-02-08T10:58:39.827216Z
{ "verified": true, "answer": 17711, "timestamp": "2026-02-08T10:58:39.836759Z" }
0d7860
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": 1912 }, "timestamp": "2026-02-14T09:37:05.031Z", "answer": 17711 }, ...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": ...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
4a774e
sequence_count_fib_divisible_v1_1125832087_112
Let $n$ be a positive integer. Define $f(n)$ to be the largest integer $k$ such that $3^k$ divides $n!$. Let $N$ be the smallest positive integer $n$ for which $f(n) \geq 458$. Determine the number of positive integers $n$ such that $1 \leq n \leq N$ and the $n$-th Fibonacci number is divisible by 3. (Define the Fibona...
230
graphs = [ Graph( let={ "upper": MinOverSet(set=SolutionsSet(var=Var("n"), condition=Geq(MaxKDivides(target=Factorial(Var("n")), base=Const(3)), Const(458)), domain='Z_{>0}')), "d": Const(3), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n")...
NT
null
COUNT
sympy
LIN_FORM
[ "V5" ]
79df37
sequence_count_fib_divisible_v1
null
7
0
[ "LIN_FORM", "V5" ]
2
0.061
2026-02-08T02:52:24.829070Z
{ "verified": true, "answer": 230, "timestamp": "2026-02-08T02:52:24.890028Z" }
310400
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 247, "completion_tokens": 876 }, "timestamp": "2026-02-17T14:53:30.813Z", "answer": 113 } ]
0
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "V5", "status": "ok" } ]
{ "lo": -6.48, "mid": 1.54, "hi": 9.56 }
ee45de
lin_form_endings_v1_1915831931_3223
Let $d$ be the greatest common divisor of $16$ and $28$. Let $k = 12419 \cdot d$. Compute the remainder when $k$ is divided by $58825$.
49,676
graphs = [ Graph( let={ "a_coeff": Const(16), "b_coeff": Const(28), "_inner_result": GCD(a=Ref("a_coeff"), b=Ref("b_coeff")), "_scale_k": Const(12419), "_scaled": Mul(Ref("_scale_k"), Ref("_inner_result")), "_mod_M": Const(58825), ...
COMB
NT
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
lin_form_endings_v1
null
2
null
[ "LIN_FORM" ]
1
0.001
2026-02-08T17:25:55.705841Z
{ "verified": true, "answer": 49676, "timestamp": "2026-02-08T17:25:55.706647Z" }
5a4bb6
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 89, "completion_tokens": 258 }, "timestamp": "2026-02-18T02:52:56.673Z", "answer": 49676 }, { ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
b2130b
alg_qf_psd_orbit_v1_1218484723_4407
Find the number of ordered pairs $(a, b)$ of positive integers with $1 \le a \le b \le 102$ such that $$ -144ab + \left( \sum_{\substack{a_1^2 + b_1^2 + c^2 = a_1b_1 + b_1c + ca_1 \\ 2a_1 + 8b_1 + 6c = 80 \\ a_1, b_1, c \ge 1}} (a_1^2 + b_1^2 + c^2) \right) a^2 + 75b^2 = 47775. $$
6
graphs = [ Graph( let={ "_n": Const(2), "result": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), Const(102)), Geq(Var("b"), Const(1)), Leq(Var("b"), Const(102)), Leq(Var("a"), Var("b")), Eq(Sum(Mul(Const(-1...
ALG
null
COUNT
sympy
LIN_FORM
[ "SUM_SQUARES_IDENTITY" ]
9879b8
alg_qf_psd_orbit_v1
null
6
0
[ "LIN_FORM", "SUM_SQUARES_IDENTITY" ]
2
7.014
2026-02-25T06:01:51.582629Z
{ "verified": true, "answer": 6, "timestamp": "2026-02-25T06:01:58.596335Z" }
fbec1e
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 256, "completion_tokens": 8401 }, "timestamp": "2026-03-29T15:31:16.807Z", "answer": 6 }, { "id":...
1
[ { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "SUM_SQUARES_IDENTITY", "status": "ok" } ]
{ "lo": -2.45, "mid": 1.37, "hi": 5.29 }
aa1274
nt_max_prime_below_v1_1918700295_2530
Let $k$ be the number of positive integers $p$ for which there exists a positive integer $q$ such that $p < q$, $\gcd(p, q) = 1$, and $pq = 54$. Determine the value of the largest prime number $n$ such that $n \geq k$ and $n \leq 89401$.
89,399
graphs = [ Graph( let={ "upper": Const(89401), "result": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), CountOverSet(set=SolutionsSet(var=Var("p"), condition=And(IsPositive(arg=Var(name='p')), Exists(var=Var(name='q'), condition=And(Eq(left=Mul(Var(name='p'), V...
NT
null
EXTREMUM
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS" ]
2bb3aa
nt_max_prime_below_v1
null
4
0
[ "COPRIME_PAIRS" ]
1
2.95
2026-02-08T07:56:50.579198Z
{ "verified": true, "answer": 89399, "timestamp": "2026-02-08T07:56:53.528896Z" }
1464b2
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 122, "completion_tokens": 2603 }, "timestamp": "2026-02-13T13:50:59.284Z", "answer": 89399 }, ...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "K16", "status": "no" } ]
{ "lo": -3.51, "mid": 1.33, "hi": 6.56 }
a92bd5
comb_sum_binomial_row_v1_1978505735_2738
Let $n$ be the smallest integer greater than or equal to $2$ that divides $65007371$. Compute $2^n$.
2,048
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(65007371))))), "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
4
0
[ "MIN_PRIME_FACTOR" ]
1
0.001
2026-02-08T17:08:56.814409Z
{ "verified": true, "answer": 2048, "timestamp": "2026-02-08T17:08:56.815282Z" }
9a022d
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 75, "completion_tokens": 684 }, "timestamp": "2026-02-17T20:13:04.287Z", "answer": 2048 }, { ...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "V5", "status": "no" }, { "lemma": "V7", "status"...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
e6fa01
modular_min_linear_v1_1918700295_128
Let $a = 12574$, $b = 13128$, and $m = 20773$. Let $S$ be the set of all integers $x$ such that $$x \geq \sum_{d \mid \gcd(7,11)} \mu(d),$$ $$x \leq m,$$ and $$ax \equiv b \pmod{m}.$$ Determine the value of the smallest element of $S$.
18,894
graphs = [ Graph( let={ "a": Const(12574), "b": Const(13128), "m": Const(20773), "result": MinOverSet(set=SolutionsSet(var=Var("x"), condition=And(Geq(Var("x"), SumOverDivisors(n=GCD(a=Const(value=7), b=Const(value=11)), var='d', expr=MoebiusMu(n=Var(name='d')...
NT
null
EXTREMUM
sympy
MOBIUS_COPRIME
[ "MOBIUS_COPRIME" ]
ac54ac
modular_min_linear_v1
null
5
0
[ "MOBIUS_COPRIME" ]
1
1.627
2026-02-08T03:00:48.187861Z
{ "verified": true, "answer": 18894, "timestamp": "2026-02-08T03:00:49.814988Z" }
f283c5
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 209, "completion_tokens": 2385 }, "timestamp": "2026-02-08T23:01:56.398Z", "answer": 18894 }, { ...
1
[ { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MOBIUS_COPRIME", "status": "ok" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "V8", "status": "no" } ]
{ "lo": -6.49, "mid": 0.51, "hi": 7.52 }
573a18
lin_form_endings_v1_1248542787_129
Let $a = 40$, $b = 32$, $A = 34$, and $B = 50$. Let $g = \gcd(a, b)$. Compute the value of $$ \left\lfloor \frac{aA + bB - (a + b)}{g} \right\rfloor + 1. $$ Let $k = 7364$ and multiply the result above by $k$. Let $x$ be the remainder when this product is divided by $53104$. Compute $x$.
10,568
graphs = [ Graph( let={ "a_coeff": Const(40), "b_coeff": Const(32), "A_val": Const(34), "B_val": Const(50), "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"), R...
COMB
NT
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
lin_form_endings_v1
null
3
null
[ "LIN_FORM" ]
1
0.001
2026-02-08T02:57:56.337559Z
{ "verified": true, "answer": 10568, "timestamp": "2026-02-08T02:57:56.338329Z" }
812caf
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 230, "completion_tokens": 963 }, "timestamp": "2026-02-09T00:28:30.461Z", "answer": 10568 }, { "i...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -1, "mid": 0.95, "hi": 2.6 }
551f87
nt_count_divisible_and_v1_798873815_51
Let $m = 79386$ and let $r$ be the number of positive integers $n \leq 3$ such that $\gcd(n, 10) = 1$. Let $s$ be the number of positive integers $n \leq 114960$ that are divisible by both $10$ and $12$. Let $T$ be the set of all real numbers $x$ such that $x^r - 64x - 1577 = 0$. Compute the remainder when $\left(\sum_...
77,534
graphs = [ Graph( let={ "_m": Const(79386), "_n": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Const(3)), Eq(GCD(a=Var("n"), b=Const(10)), Const(1))))), "upper": Const(114960), "d1": Const(10), "d...
NT
null
COUNT
sympy
C4
[ "C4/VIETA_SUM" ]
173fcf
nt_count_divisible_and_v1
negation_mod
4
0
[ "C4", "VIETA_SUM" ]
2
5.709
2026-02-08T02:25:23.335670Z
{ "verified": true, "answer": 77534, "timestamp": "2026-02-08T02:25:29.044246Z" }
433d67
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 245, "completion_tokens": 811 }, "timestamp": "2026-02-08T18:32:06.603Z", "answer": 77534 }, { "i...
1
[ { "lemma": "C4", "status": "ok" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, ...
{ "lo": -5.53, "mid": -3.77, "hi": -1.89 }
5d886f
geo_count_lattice_rect_v1_1918700295_4618
Let $a = 128$ and $b = 73$. Compute the number of lattice points $(x, y)$ such that $0 \leq x \leq a$ and $0 \leq y \leq b$.
9,546
graphs = [ Graph( let={ "a": Const(128), "b": Const(73), "result": LatticePointsRect(a=Ref(name='a'), b=Ref(name='b')), }, goal=Ref("result"), ) ]
GEOM
null
COUNT
sympy
[]
geo_count_lattice_rect_v1
null
3
0
null
null
0.001
2026-02-08T09:29:14.418469Z
{ "verified": true, "answer": 9546, "timestamp": "2026-02-08T09:29:14.419076Z" }
e5e527
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 160, "completion_tokens": 290 }, "timestamp": "2026-02-24T11:23:45.033Z", "answer": 9546 }, { "id...
1
[]
{ "lo": -4.92, "mid": -2.91, "hi": -0.68 }
97ca34
nt_count_digit_sum_v1_971394319_964
Let $S$ be the set of all integers $n$ such that $1 \leq n \leq 19998$ and the sum of the digits of $n$ is even. Let $T$ be the set of all positive integers $n$ such that $1 \leq n \leq |S|$ and the sum of the digits of $n$ is 21. Compute the number of elements in $T$. Let this number be $r$. Find the remainder when $4...
35,582
graphs = [ Graph( let={ "upper": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Const(19998)), Eq(Mod(value=DigitSum(Var("n")), modulus=Const(2)), Const(0))))), "target_sum": Const(21), "result": CountOverSet(set=Solutions...
NT
null
COUNT
sympy
L3B
[ "L3B" ]
cc148f
nt_count_digit_sum_v1
null
4
0
[ "L3B" ]
1
0.555
2026-02-08T13:24:11.563024Z
{ "verified": true, "answer": 35582, "timestamp": "2026-02-08T13:24:12.117818Z" }
a3e171
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": 2459 }, "timestamp": "2026-02-15T15:45:38.969Z", "answer": 35582 }, ...
1
[ { "lemma": "K17", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "L3B", "status": "ok" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "V8", "status": "no" } ]
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
ee2792
comb_bell_compute_v1_784195855_8232
Let $n$ be the number of nonnegative integers $j$ such that $0 \leq j \leq 2096$ and $\binom{2096}{j} \equiv 1 \pmod{2}$. Let $\text{result} = B_n$, the $n$th Bell number, which counts the number of partitions of a set of $n$ elements. Let $Q$ be the remainder when $26003 \cdot \text{result}$ is divided by $74529$. Com...
32,544
graphs = [ Graph( let={ "_n": Const(2), "n": CountOverSet(set=SolutionsSet(var=Var("j"), condition=And(Geq(Var("j"), Const(0)), Leq(Var("j"), Const(2096)), Eq(Mod(value=Binom(n=Const(2096), k=Var("j")), modulus=Ref("_n")), Const(1))), domain='nonnegative_integers')), "res...
COMB
null
COMPUTE
sympy
V8
[ "V8" ]
86348e
comb_bell_compute_v1
null
7
0
[ "V8" ]
1
0.001
2026-02-08T15:58:03.952343Z
{ "verified": true, "answer": 32544, "timestamp": "2026-02-08T15:58:03.953764Z" }
ef69c8
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 224, "completion_tokens": 1082 }, "timestamp": "2026-02-24T19:12:03.005Z", "answer": 32544 }, { ...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "V3", "status": "no" }, { "lemma": "V8", "status": "ok" } ]
{ "lo": -2.4, "mid": 1.57, "hi": 5.75 }
020b88
comb_binomial_compute_v1_1439011603_2727
Let $n$ be the number of positive integers $p$ for which there exists a positive integer $q$ such that $p < q$, $\gcd(p, q) = 1$, and $pq = 5659500$. Compute $\binom{n}{9}$.
11,440
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=5659500)), Eq(left=GCD(a=Var(name='p'), b=Var(name='q')), right=Const(value=1...
NT
null
COMPUTE
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS" ]
2bb3aa
comb_binomial_compute_v1
null
5
0
[ "COPRIME_PAIRS" ]
1
0.004
2026-02-08T16:55:39.141358Z
{ "verified": true, "answer": 11440, "timestamp": "2026-02-08T16:55:39.145118Z" }
193bf4
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 103, "completion_tokens": 2173 }, "timestamp": "2026-02-17T16:25:28.370Z", "answer": 11440 }, ...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "K16", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "V1", "status": "no" ...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
959af3
antilemma_k2_v1_397696148_1543
Let $$ x = \sum_{k=1}^{154} \phi(k) \left\lfloor \frac{154}{k} \right\rfloor. $$ Compute the remainder when $x^2 + 25x + 2401$ is divided by $61414$.
18,865
graphs = [ Graph( let={ "x": Summation(var="k", start=Const(1), end=Const(154), expr=Mul(EulerPhi(n=Var("k")), Floor(Div(Const(154), Var("k"))))), "_c": Const(2401), "Q": Mod(value=Sum(Pow(Ref("x"), Const(2)), Mul(Const(25), Ref("x")), Ref("_c")), modulus=Const(61414)), ...
NT
COMB
COMPUTE
sympy
K13
[ "K2" ]
6897ab
antilemma_k2_v1
null
7
0
[ "K13", "K2" ]
2
0.006
2026-02-08T12:38:18.692883Z
{ "verified": true, "answer": 18865, "timestamp": "2026-02-08T12:38:18.699038Z" }
803e82
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": 1714 }, "timestamp": "2026-02-15T03:03:41.666Z", "answer": 18865 }, ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" } ]
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
16b038
geo_count_lattice_triangle_v1_1431428450_1254
Let $A$ be the area of the triangle with vertices at $(0,0)$, $(121,23)$, and $(233,128)$, 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 the coordinates along each edge: \begin{align*} B &= ...
5,061
graphs = [ Graph( let={ "area_2x": Abs(arg=Sum(Mul(Const(value=121), Const(value=128)), Mul(Const(value=233), Sub(left=Const(value=0), right=Const(value=23))))), "boundary": Sum(GCD(a=Abs(arg=Const(value=121)), b=Abs(arg=Const(value=23))), GCD(a=Abs(arg=Sub(left=Const(value=233), rig...
ALG
NT
COUNT
sympy
[]
geo_count_lattice_triangle_v1
null
4
0
null
null
0.002
2026-02-08T13:58:56.664582Z
{ "verified": true, "answer": 5061, "timestamp": "2026-02-08T13:58:56.666963Z" }
422cb6
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": 836 }, "timestamp": "2026-02-15T22:15:22.920Z", "answer": 5061 }, { ...
1
[]
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
a822c6
comb_count_surjections_v1_1978505735_7410
Let $S$ be the set of all ordered triples $(x_1, x_2, x_3)$ of positive odd integers such that $x_1 + x_2 + x_3 = 7$. Let $n$ be the number of elements in $S$. Let $T$ be the set of all ordered pairs $(i, j)$ with $i, j \in \{1, 2\}$ such that $i + j = 3$. Let $k$ be the number of elements in $T$. Define $\text{result}...
48
graphs = [ Graph( let={ "_n": Const(7), "n": 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
NT
COUNT
sympy
COUNT_SUM_EQUALS
[ "COUNT_SUM_EQUALS", "COMB1" ]
938829
comb_count_surjections_v1
null
6
0
[ "COMB1", "COUNT_SUM_EQUALS" ]
2
0.012
2026-02-08T20:15:03.625692Z
{ "verified": true, "answer": 48, "timestamp": "2026-02-08T20:15:03.637831Z" }
ba77c8
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 238, "completion_tokens": 5721 }, "timestamp": "2026-02-19T00:13:06.596Z", "answer": 48 }, { ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COMB1", "status": "ok" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" }, { ...
{ "lo": -3.12, "mid": 1.47, "hi": 6.57 }
5b89cf
lin_form_endings_v1_1440796553_695
Let $a = 4$, $b = 14$, $A = 57$, and $B = 32$. Define $g = \gcd(a, b)$, and let $a' = \left\lfloor \frac{a}{g} \right\rfloor$ and $b' = \left\lfloor \frac{b}{g} \right\rfloor$. Let $T$ be the integer defined by $$ |T| = a'A + b'B - a'b'. $$ Define the quantity $$ S = aA + bB - a - b + 1. $$ Let $D = S - |T|$. Compute $...
213
graphs = [ Graph( let={ "a_coeff": Const(4), "b_coeff": Const(14), "A_val": Const(57), "B_val": Const(32), "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
6
null
[ "LIN_FORM" ]
1
0.001
2026-02-08T11:55:19.431537Z
{ "verified": true, "answer": 213, "timestamp": "2026-02-08T11:55:19.432811Z" }
1c77f3
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 215, "completion_tokens": 1441 }, "timestamp": "2026-02-14T20:41:47.875Z", "answer": 213 }, { ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
6b445b
nt_min_coprime_above_v1_2051736721_4682
Let $s$ be the maximum value of $xy$ over all pairs of positive integers $(x,y)$ such that $x + y = 116$. Let $r$ be the smallest integer $n$ such that $s < n \leq 3865$ and $\gcd(n, 491) = 1$. Compute the remainder when $34567 \cdot r$ is divided by $69952$.
57,731
graphs = [ Graph( let={ "_n": Const(69952), "start": MaxOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Sum(Var("x"), Var("y")), Const(116)))), expr=Mul(Var("x"), Var("y")...
NT
null
EXTREMUM
sympy
B1
[ "B1" ]
5b950e
nt_min_coprime_above_v1
null
5
0
[ "B1" ]
1
0.043
2026-02-08T18:06:16.926842Z
{ "verified": true, "answer": 57731, "timestamp": "2026-02-08T18:06:16.969577Z" }
e9a3d6
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 132, "completion_tokens": 1982 }, "timestamp": "2026-02-18T13:27:30.033Z", "answer": 57731 }, ...
1
[ { "lemma": "B1", "status": "ok" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V3", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
f9e949
comb_factorial_compute_v1_1520064083_6219
Let $n$ be the number of ordered pairs $(x_1, x_2)$ of positive odd integers such that $x_1 + x_2 = 14$. Let $r = n!$. Compute the remainder when $67209 \cdot r$ is divided by $80740$.
29,060
graphs = [ Graph( let={ "_n": Const(14), "n": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x1"), Var("x2")]), condition=And(IsPositive(arg=Var(name='x1')), IsPositive(arg=Var(name='x2')), IsOdd(arg=Var(name='x1')), IsOdd(arg=Var(name='x2')), Eq(Sum(Var("x1"), Var("x2")), Re...
ALG
COMB
COMPUTE
sympy
COMB1
[ "COMB1" ]
567f58
comb_factorial_compute_v1
null
4
0
[ "COMB1" ]
1
0.003
2026-02-08T07:55:46.511345Z
{ "verified": true, "answer": 29060, "timestamp": "2026-02-08T07:55:46.514577Z" }
ee454b
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 173, "completion_tokens": 2624 }, "timestamp": "2026-02-24T08:39:46.732Z", "answer": 29060 }, { "...
1
[ { "lemma": "COMB1", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": 1.15, "mid": 4.18, "hi": 6.61 }
fcd09b
diophantine_fbi2_count_v1_124444284_470
Let $k = 180$. Define $\text{result}$ to be the number of integers $d$ with $4 \leq d \leq 80$ such that $d$ divides $k$, and $5 \leq \frac{k}{d} \leq 81$. Define $c$ to be the number of nonnegative integers $j$ with $0 \leq j \leq 75103$ such that $\binom{75103}{j}$ is odd. Compute $\text{result}^2 + 7 \cdot \text{res...
1,222
graphs = [ Graph( let={ "k": Const(180), "result": CountOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(4)), Leq(Var("d"), Const(80)), Divides(divisor=Var("d"), dividend=Ref("k")), Geq(Div(Ref("k"), Var("d")), Const(5)), Leq(Div(Ref("k"), Var("d")), Const(81)...
NT
null
COUNT
sympy
V8
[ "V8" ]
4109e4
diophantine_fbi2_count_v1
quadratic_mod
4
0
[ "V8" ]
1
0.008
2026-02-08T03:18:08.434939Z
{ "verified": true, "answer": 1222, "timestamp": "2026-02-08T03:18:08.442789Z" }
93f8c9
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 237, "completion_tokens": 1937 }, "timestamp": "2026-02-09T18:06:51.591Z", "answer": 1222 }, { "i...
1
[ { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "V8", "status": "ok" } ]
{ "lo": -3.46, "mid": 1.03, "hi": 5.49 }
36bd1f
antilemma_cartesian_v1_1520064083_4344
Compute the number of ordered pairs $(a,b)$ of positive integers such that $1 \leq a \leq 20$ and $1 \leq b \leq 101$. Subtract from this the number of ordered pairs $(i,j)$ such that $1 \leq i \leq 29$ and $1 \leq j \leq 37$. Find the value of this difference.
947
graphs = [ Graph( let={ "x": CountOverSet(set=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(29)), right=IntegerRange(start=Const(1), end=Const(37)))), "Q": Sub(CountOverSet(set=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(20)), right=IntegerRange(start=...
COMB
GEOM
COMPUTE
sympy
COUNT_CARTESIAN
[ "COUNT_CARTESIAN", "COUNT_CARTESIAN" ]
f9c395
antilemma_cartesian_v1
negation_mod
2
0
[ "COUNT_CARTESIAN" ]
1
0.002
2026-02-08T06:14:05.406295Z
{ "verified": true, "answer": 947, "timestamp": "2026-02-08T06:14:05.408022Z" }
3f712d
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": 224 }, "timestamp": "2026-02-24T05:39:22.691Z", "answer": 947 }, { "id"...
2
[ { "lemma": "COUNT_CARTESIAN", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8_SU...
{ "lo": -10, "mid": -7.79, "hi": -5.57 }
c5cf2d
lin_form_endings_v1_784195855_4738
Let $a = 42$ and $b = 30$. Compute $\gcd(a, b)$. Multiply this greatest common divisor by $15988$, and let the result be $x$. Compute the remainder when $x$ is divided by $89006$. Find the value of this remainder.
6,922
graphs = [ Graph( let={ "a_coeff": Const(42), "b_coeff": Const(30), "_inner_result": GCD(a=Ref("a_coeff"), b=Ref("b_coeff")), "_scale_k": Const(15988), "_scaled": Mul(Ref("_scale_k"), Ref("_inner_result")), "_mod_M": Const(89006), ...
COMB
NT
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
lin_form_endings_v1
null
2
null
[ "LIN_FORM" ]
1
0
2026-02-08T07:19:33.097156Z
{ "verified": true, "answer": 6922, "timestamp": "2026-02-08T07:19:33.097651Z" }
3c8f1d
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": 352 }, "timestamp": "2026-02-13T09:33:56.750Z", "answer": 6922 }, { ...
1
[ { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "sta...
{ "lo": -7.01, "mid": -4.68, "hi": -2.15 }
a96ffb
comb_count_derangements_v1_898971024_2395
Let $n$ be the number of positive integers $p$ for which there exists a positive integer $q$ such that $p < q$, $\gcd(p, q) = 1$, and $pq = 10500$. Compute the subfactorial of $n$.
14,833
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=10500)), 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
4
0
[ "COPRIME_PAIRS" ]
1
0.003
2026-02-08T16:43:01.717387Z
{ "verified": true, "answer": 14833, "timestamp": "2026-02-08T16:43:01.720099Z" }
4d5fd8
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 104, "completion_tokens": 1316 }, "timestamp": "2026-02-17T10:49:17.450Z", "answer": 14833 }, ...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "K13", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "V5", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
08a89d
modular_min_modexp_v1_124444284_277
Let $ a = 13 $, $ b = 130 $, and $ m = 137 $. Let $ u $ be the number of integers $ n $ such that $ 1 \leq n \leq 271 $ and the sum of the decimal digits of $ n $ is odd. Determine the smallest positive integer $ x $ such that $ 1 \leq x \leq u $ and $$ 13^x \equiv 130 \pmod{137}. $$
86
graphs = [ Graph( let={ "a": Const(13), "b": Const(130), "m": Const(137), "upper": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Const(271)), Eq(Mod(value=DigitSum(Var("n")), modulus=Const(2)), Const(1))))), ...
NT
null
EXTREMUM
sympy
L3B
[ "L3B" ]
cc148f
modular_min_modexp_v1
null
6
0
[ "L3B" ]
1
0.161
2026-02-08T03:08:40.940574Z
{ "verified": true, "answer": 86, "timestamp": "2026-02-08T03:08:41.101398Z" }
93321d
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 212, "completion_tokens": 4969 }, "timestamp": "2026-02-09T15:36:58.902Z", "answer": 86 }, { "id"...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "L3B", "status": "ok" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "V7", "status": "no" } ]
{ "lo": -3.46, "mid": 1.03, "hi": 5.49 }
6c6bfe
alg_poly_preperiod_count_v1_1218484723_75
Let $N = (a^2 + a + 16) \bmod 83$, $M = (N^2 + N + 16) \bmod 83$, $R = (M^2 + M + 16) \bmod 83$, and $S = (R^2 + R + 16) \bmod 83$. Find the number of non-negative integers $a$ with $0 \le a \le 62083$ such that $S = N$, $M \ne N$, and $R \ne N$.
4,488
graphs = [ Graph( let={ "p1": Mod(value=Sum(Pow(Var("a"), Const(2)), Var("a"), Const(16)), modulus=Const(83)), "p2": Mod(value=Sum(Pow(Ref("p1"), Const(2)), Ref("p1"), Const(16)), modulus=Const(83)), "p3": Mod(value=Sum(Pow(Ref("p2"), Const(2)), Ref("p2"), Const(16)), mod...
ALG
null
COUNT
sympy
POLY_ORBIT_COUNT
[ "POLY_ORBIT_COUNT" ]
4ad965
alg_poly_preperiod_count_v1
null
6
null
[ "POLY_ORBIT_COUNT" ]
1
0.024
2026-02-25T01:46:52.028032Z
{ "verified": true, "answer": 4488, "timestamp": "2026-02-25T01:46:52.052038Z" }
4997b8
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 1, "correct": { "strict": false, "boxed": false, "relaxed": true }, "usage": { "prompt_tokens": 231, "completion_tokens": 29016 }, "timestamp": "2026-03-10T08:06:39.845Z", "answer": 0 }, { "i...
1
[ { "lemma": "POLY_ORBIT_COUNT", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": 1.39, "mid": 3.79, "hi": 5.74 }
211a98
alg_qf_psd_orbit_v1_1419126231_693
Let $c = \left|\left\{ (a_2, b_2) : 1 \le a_2, b_2 \le 35,\ 5a_2^2 + 10a_2b_2 + 5b_2^2 = 3920 \right\}\right|$. Let $f = \left|\left\{ (a_1, b_1) : 1 \le a_1, b_1 \le 30,\ -9a_1^3 + c a_1^2 b_1 - 27a_1 b_1^2 + 9b_1^3 = -9 \right\}\right|$. Find the number of ordered pairs $(a, b)$ of positive integers with $1 \le a \le...
5
graphs = [ Graph( let={ "_m": Const(35), "_n": Const(2), "result": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), Const(393)), Geq(Var("b"), Const(1)), Leq(Var("b"), Const(393)), Leq(Var("a"), V...
ALG
null
COUNT
sympy
MAX_DIVISOR
[ "QF_PSD_COUNT/POLY3_COUNT" ]
cbf254
alg_qf_psd_orbit_v1
null
6
0
[ "MAX_DIVISOR", "POLY3_COUNT", "QF_PSD_COUNT" ]
3
2.022
2026-02-25T10:09:42.341391Z
{ "verified": true, "answer": 5, "timestamp": "2026-02-25T10:09:44.363631Z" }
6085c1
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 1, "correct": { "strict": false, "boxed": false, "relaxed": true }, "usage": { "prompt_tokens": 313, "completion_tokens": 32768 }, "timestamp": "2026-03-30T09:44:20.253Z", "answer": null }, { ...
1
[ { "lemma": "POLY3_COUNT", "status": "ok_later" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "QF_PSD_COUNT", "status": "ok" } ]
{ "lo": 3.8, "mid": 6.33, "hi": 9.49 }
f765fd
comb_count_derangements_v1_124444284_4261
Let $n$ be the smallest divisor of $77$ that is at least $2$. Define $Q$ as the remainder when $62426 \cdot !n$ is divided by $51963$, where $!n$ denotes the number of derangements of $n$ elements. Compute $Q$.
16,203
graphs = [ Graph( let={ "n": MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(2)), Divides(divisor=Var("d"), dividend=Const(77))))), "result": Subfactorial(arg=Ref(name='n')), "_c": Const(62426), "Q": Mod(value=Mul(Ref("_c"), Ref("re...
NT
COMB
COUNT
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR" ]
bc3776
comb_count_derangements_v1
null
2
0
[ "MIN_PRIME_FACTOR" ]
1
0.002
2026-02-08T05:53:17.485007Z
{ "verified": true, "answer": 16203, "timestamp": "2026-02-08T05:53:17.486629Z" }
4a22e5
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": 1472 }, "timestamp": "2026-02-12T16:31:09.416Z", "answer": 16203 }, ...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "V3", "status": "no" } ]
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
beef73
alg_poly_orbit_count_v1_601307018_4416
Let $N = a^3 + a \bmod 19$ and $M = N^3 + N \bmod 19$. Find the number of non-negative integers $a$ with $0 \le a \le 12881$ such that $M = a$ and $N \ne a$.
4,068
graphs = [ Graph( let={ "p1": Mod(value=Sum(Pow(Var("a"), Const(3)), Var("a")), modulus=Const(19)), "p2": Mod(value=Sum(Pow(Ref("p1"), Const(3)), Ref("p1")), modulus=Const(19)), "result": CountOverSet(set=SolutionsSet(var=Var("a"), condition=And(Geq(Var("a"), Const(0)), L...
ALG
null
COUNT
sympy
POLY_ORBIT_COUNT
[ "POLY_ORBIT_COUNT" ]
4ad965
alg_poly_orbit_count_v1
null
4
null
[ "POLY_ORBIT_COUNT" ]
1
0.011
2026-03-10T04:58:40.659176Z
{ "verified": true, "answer": 4068, "timestamp": "2026-03-10T04:58:40.669863Z" }
2b98fb
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 176, "completion_tokens": 5315 }, "timestamp": "2026-03-29T12:10:29.896Z", "answer": 4 }, { "i...
0
[ { "lemma": "POLY_ORBIT_COUNT", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": 3.34, "mid": 5.77, "hi": 8.89 }
dcbaaa
nt_sum_totient_over_divisors_v1_1742523217_288
Let $n_2$ be the largest prime number satisfying $2 \le n_2 \le 28$. Let $u = \lambda(n_2) + 1$, where $\lambda$ is the Liouville function, and let $p = 29 + u$. Let $q = 73$ and $n_1 = p \cdot q$. Define $c = \lambda(n_1)$ and $n = 53332 \cdot c$. Compute the sum of $\phi(d)$ over all positive divisors $d$ of $n$, whe...
53,332
graphs = [ Graph( let={ "_n": Const(29), "n2": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Const(28)), IsPrime(Var("n"))))), "u": Sum(LiouvilleLambda(n=Ref(name='n2')), Const(1)), "p": Sum(Ref("_n"), Ref("u"))...
NT
null
COMPUTE
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW/LIOUVILLE_MINUS_ONE", "LIOUVILLE_ONE" ]
9bd2a3
nt_sum_totient_over_divisors_v1
null
5
2
[ "LIOUVILLE_MINUS_ONE", "LIOUVILLE_ONE", "MAX_PRIME_BELOW" ]
3
0.004
2026-02-08T02:57:52.531508Z
{ "verified": true, "answer": 53332, "timestamp": "2026-02-08T02:57:52.535332Z" }
925fad
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 241, "completion_tokens": 1119 }, "timestamp": "2026-02-09T15:58:52.235Z", "answer": 53332 }, { "...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "LIOUVILLE_MINUS_ONE", "status": "ok_later" }, { "lemma": "LIOUVILLE_ONE", "status": "ok" }, { "lemma": "MAX_PRIME_BE...
{ "lo": -6.51, "mid": -0.31, "hi": 5.43 }
884de7
nt_num_divisors_compute_v1_1431428450_98
Let $d$ be the smallest integer greater than or equal to $2$ that divides $12673$. Compute the number of positive divisors of this integer $d$.
2
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(12673))))), "result": NumDivisors(n=Ref("n")), }, goal=Ref("result"), ) ]
NT
null
COMPUTE
sympy
B1
[ "MIN_PRIME_FACTOR" ]
bc3776
nt_num_divisors_compute_v1
null
3
0
[ "B1", "MIN_PRIME_FACTOR" ]
2
0.017
2026-02-08T13:12:20.558925Z
{ "verified": true, "answer": 2, "timestamp": "2026-02-08T13:12:20.575874Z" }
700db4
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 94, "completion_tokens": 530 }, "timestamp": "2026-02-16T04:27:47.688Z", "answer": 2 }, { "id": 11, "m...
2
[ { "lemma": "K18", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "V7", "status": "no" } ]
{ "lo": -9.12, "mid": -6.02, "hi": -3.62 }
d09f6f
geo_count_lattice_rect_v1_1742523217_5588
Let $a = 120$ and $b = 55$. A lattice point is a point in the plane with integer coordinates. Compute the number of lattice points $(x, y)$ such that $0 \leq x \leq a$ and $0 \leq y \leq b$.
6,776
graphs = [ Graph( let={ "a": Const(120), "b": Const(55), "result": LatticePointsRect(a=Ref(name='a'), b=Ref(name='b')), }, goal=Ref("result"), ) ]
GEOM
null
COUNT
sympy
[]
geo_count_lattice_rect_v1
null
3
0
null
null
0.001
2026-02-08T11:05:11.276336Z
{ "verified": true, "answer": 6776, "timestamp": "2026-02-08T11:05:11.277345Z" }
0ca0f0
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 173, "completion_tokens": 269 }, "timestamp": "2026-02-24T12:50:11.739Z", "answer": 6776 }, { "id...
2
[]
{ "lo": -9.23, "mid": -6.18, "hi": -4.06 }
7adecd
nt_count_coprime_and_v1_809748730_72
Let $\text{upper} = 37512$. Let $S$ be the set of all positive integers $n$ such that $1 \leq n \leq \text{upper}$, $\gcd(n, 3) = 1$, and $\gcd(n, 11) = 1$. Let $A$ be the number of elements in $S$. Let $T$ be the set of all positive integers $n$ such that $1 \leq n \leq 52490$, $10$ divides $n$, and $\gcd(n, 21) = 1$...
48,185
graphs = [ Graph( let={ "_n": Const(69917), "upper": Const(37512), "k1": Const(3), "k2": Const(11), "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("...
NT
null
COUNT
sympy
C5
[ "C5" ]
d9890f
nt_count_coprime_and_v1
quadratic_mod
4
0
[ "C5" ]
1
8.703
2026-02-08T11:18:54.714271Z
{ "verified": true, "answer": 48185, "timestamp": "2026-02-08T11:19:03.417284Z" }
5212b0
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 209, "completion_tokens": 2688 }, "timestamp": "2026-02-14T11:39:54.348Z", "answer": 48185 }, ...
1
[ { "lemma": "C5", "status": "ok" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "V8", "status": "no" } ]
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
e327cb
geo_count_lattice_triangle_v1_458359167_1199
Let $n = 109$. Let $\text{area}_{2x} = \left|136n - 77\right|$. Let $\text{boundary}$ be the sum of $\gcd\left(\left|\sum_{k=1}^{16} \varphi(k) \left\lfloor \frac{16}{k} \right\rfloor\right|, 7\right)$, $\gcd\left(125, 102\right)$, and $\gcd\left(11, 109\right)$. Let $\text{result} = \frac{\text{area}_{2x} + 2 - \text{...
42,197
graphs = [ Graph( let={ "_n": Const(109), "area_2x": Abs(arg=Sum(Mul(Const(value=136), Ref(name='_n')), Mul(Const(value=11), Sub(left=Const(value=0), right=Const(value=7))))), "boundary": Sum(GCD(a=Abs(arg=Summation(expr=Mul(EulerPhi(n=Var(name='k')), Floor(arg=Div(left=C...
NT
null
COUNT
sympy
K2
[ "K2" ]
6897ab
geo_count_lattice_triangle_v1
null
6
0
[ "K2" ]
1
0.005
2026-02-08T04:29:20.994828Z
{ "verified": true, "answer": 42197, "timestamp": "2026-02-08T04:29:21.000138Z" }
95c99a
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 278, "completion_tokens": 1978 }, "timestamp": "2026-02-10T16:53:35.099Z", "answer": 42197 }, { ...
1
[ { "lemma": "DS2", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V8_SUM", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "n...
{ "lo": -3.42, "mid": 1.86, "hi": 7.55 }
19e2e3
nt_count_primes_v1_2051736721_1998
Let $P$ be the set of all positive integers $p$ for which there exists a positive integer $q$ such that $pq = 108$, $\gcd(p, q) = 1$, and $p < q$. Let $L$ be the number of elements in $P$. Let $n$ be an integer satisfying $L \leq n \leq 16384$ and such that $n$ is prime. Let $R$ be the number of such primes $n$. Comput...
72,629
graphs = [ Graph( let={ "_n": Const(74529), "upper": Const(16384), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), CountOverSet(set=SolutionsSet(var=Var("p"), condition=And(IsPositive(arg=Var(name='p')), Exists(var=Var(name='q'), conditio...
NT
null
COUNT
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS" ]
2bb3aa
nt_count_primes_v1
null
5
0
[ "COPRIME_PAIRS" ]
1
0.461
2026-02-08T16:24:49.784585Z
{ "verified": true, "answer": 72629, "timestamp": "2026-02-08T16:24:50.245927Z" }
edd66c
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 156, "completion_tokens": 2357 }, "timestamp": "2026-02-17T04:07:16.794Z", "answer": 72629 }, ...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "K13", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "V5", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
9117c2
comb_binomial_compute_v1_865884756_1477
Let $n$ be the sum of $\phi(d)$ over all positive divisors $d$ of $13$. Compute $\binom{n}{6}$.
1,716
graphs = [ Graph( let={ "_n": Const(13), "n": SumOverDivisors(n=Ref(name='_n'), var='d', expr=EulerPhi(n=Var(name='d'))), "k": Const(6), "result": Binom(n=Ref("n"), k=Ref("k")), }, goal=Ref("result"), ) ]
NT
null
COMPUTE
sympy
K3
[ "K3" ]
54c41e
comb_binomial_compute_v1
null
3
0
[ "K3" ]
1
0.001
2026-02-08T16:04:39.467035Z
{ "verified": true, "answer": 1716, "timestamp": "2026-02-08T16:04:39.468336Z" }
327546
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 90, "completion_tokens": 442 }, "timestamp": "2026-02-16T06:53:09.750Z", "answer": 1716 }, { "id": 11, ...
2
[ { "lemma": "DS2", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "K3", "status": "ok" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -10, "mid": -7.27, "hi": -4.54 }
1164fe
antilemma_k2_v1_2051736721_24
Let $n = 322$. Compute $$ \sum_{k=1}^{\sum_{d\mid n} \phi(d)} \phi(k) \cdot \left\lfloor \frac{322}{k} \right\rfloor, $$ where $\phi(m)$ denotes Euler's totient function.
52,003
graphs = [ Graph( let={ "_n": Const(322), "x": Summation(var="k", start=Const(1), end=SumOverDivisors(n=Ref(name='_n'), var='d', expr=EulerPhi(n=Var(name='d'))), expr=Mul(EulerPhi(n=Var("k")), Floor(Div(Const(322), Var("k"))))), }, goal=Ref("x"), ) ]
NT
COMB
COMPUTE
sympy
K3
[ "K3/K2", "K2" ]
c7f244
antilemma_k2_v1
null
6
0
[ "K2", "K3" ]
2
0.003
2026-02-08T15:07:53.434235Z
{ "verified": true, "answer": 52003, "timestamp": "2026-02-08T15:07:53.436972Z" }
993aa8
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": 809 }, "timestamp": "2026-02-16T01:02:50.794Z", "answer": 52003 }, {...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "K3", "status": "ok" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "M...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
b1d28f
comb_factorial_compute_v1_601307018_5844
Let $S$ be the set of ordered pairs $(x_1, x_2)$ of positive odd integers such that $x_1 + x_2 = 5248$. Let $n$ be the number of positive integers $v$ with $41 \leq v \leq |S|$ for which there exist integers $a, b$ satisfying $1 \leq a \leq 8$, $1 \leq b \leq 8$, and $41 \cdot b^2 = v$. Compute $n!$.
40,320
graphs = [ Graph( let={ "_m": Const(5248), "_n": Const(41), "n": CountOverSet(set=SolutionsSet(var=Var("v"), condition=And(Geq(Var("v"), Ref("_n")), Leq(Var("v"), CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x1"), Var("x2")]), condition=And(IsPositive(arg=Var(na...
COMB
null
COMPUTE
sympy
COMB1
[ "COMB1/QF_PSD_DISTINCT" ]
555ca3
comb_factorial_compute_v1
null
4
0
[ "COMB1", "QF_PSD_DISTINCT" ]
2
0.005
2026-03-10T06:24:42.618666Z
{ "verified": true, "answer": 40320, "timestamp": "2026-03-10T06:24:42.623929Z" }
3f71e3
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 227, "completion_tokens": 1246 }, "timestamp": "2026-04-19T03:00:37.112Z", "answer": 40320 }, { ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COMB1", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "QF_PSD_DISTINCT", "status": "ok_later" }, { "lemma": "V7", "...
{ "lo": -5.35, "mid": 0.52, "hi": 5.84 }
897b49
nt_max_prime_below_v1_2051736721_2640
Let $c$ be the number of positive integers $p$ for which there exists a positive integer $q$ such that $pq = 12$, $\gcd(p, q) = 1$, and $p < q$. Let $n$ be the largest prime number satisfying $c \leq n \leq 11449$. Compute the remainder when $52181 \cdot n$ is divided by $50077$.
47,528
graphs = [ Graph( let={ "upper": Const(11449), "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
0.441
2026-02-08T16:49:43.046916Z
{ "verified": true, "answer": 47528, "timestamp": "2026-02-08T16:49:43.487969Z" }
42f7c6
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 133, "completion_tokens": 2878 }, "timestamp": "2026-02-17T13:08:40.044Z", "answer": 47528 }, ...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
d3122f
nt_count_with_divisor_count_v1_1918700295_1262
Let $d$ be the value of $$ \sum_{k=1}^{5} \phi(k) \left\lfloor \frac{5}{k} \right\rfloor, $$ where $\phi$ denotes Euler's totient function. Compute the number of positive integers $n$ such that $1 \leq n \leq 44944$ and the number of positive divisors of $n$ is equal to $d$.
29
graphs = [ Graph( let={ "_n": Const(5), "upper": Const(44944), "div_count": Summation(var="k", start=Const(1), end=Ref("_n"), expr=Mul(EulerPhi(n=Var("k")), Floor(Div(Const(5), Var("k"))))), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(G...
NT
null
COUNT
sympy
ONE_PHI_1
[ "K2" ]
6897ab
nt_count_with_divisor_count_v1
null
6
0
[ "K2", "ONE_PHI_1" ]
2
12.006
2026-02-08T05:44:36.076978Z
{ "verified": true, "answer": 29, "timestamp": "2026-02-08T05:44:48.082771Z" }
9c16ce
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 134, "completion_tokens": 2286 }, "timestamp": "2026-02-12T13:26:57.026Z", "answer": 29 }, { ...
1
[ { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" } ]
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
6cab26
nt_min_crt_v1_1248542787_292
Let $a$ be the largest integer $k$ such that $d^k$ divides $21!$, where $d$ is the smallest integer greater than or equal to 2 that divides 77. Let $b = 2$, $m = 4$, $k = 9$, and $n = 8$. Define $s = \sum_{j=1}^{n} j$. Find the smallest positive integer $t$ such that $1 \leq t \leq s$, $t \equiv a \pmod{4}$, and $t \eq...
11
graphs = [ Graph( let={ "_n": Const(8), "m": Const(4), "k": Const(9), "a": MaxKDivides(target=Factorial(Const(21)), base=MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(2)), Divides(divisor=Var("d"), dividend=Const(77)))))), ...
NT
null
EXTREMUM
sympy
COMB1
[ "MIN_PRIME_FACTOR/V1", "SUM_ARITHMETIC" ]
71eae7
nt_min_crt_v1
null
6
0
[ "COMB1", "MIN_PRIME_FACTOR", "SUM_ARITHMETIC", "V1" ]
4
0.224
2026-02-08T03:02:55.962506Z
{ "verified": true, "answer": 11, "timestamp": "2026-02-08T03:02:56.186458Z" }
21b1b1
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": 969 }, "timestamp": "2026-02-09T02:23:59.216Z", "answer": 11 }, { "id":...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok"...
{ "lo": -6.51, "mid": -0.38, "hi": 5.12 }
0efde2
nt_count_coprime_v1_1918700295_2990
Let $r$ be the number of positive integers $n$ with $1 \leq n \leq 36864$ such that $\gcd(n, 16) = 1$. Let $p$ be the largest prime number at most $256$. Let $s$ be the minimum value of $x + y$ over all pairs of positive integers $(x, y)$ such that $xy = 6265009$, and let $c$ be the largest prime number $n$ with $2 \le...
65,099
graphs = [ Graph( let={ "_m": Const(2), "_n": Const(2), "upper": Const(36864), "k": Const(16), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("upper")), Eq(GCD(a=Var("n"), b=Ref("k")),...
NT
null
COUNT
sympy
B3
[ "B3/MAX_PRIME_BELOW" ]
9bfb92
nt_count_coprime_v1
two_moduli
6
0
[ "B3", "MAX_PRIME_BELOW" ]
2
10.268
2026-02-08T08:20:45.419586Z
{ "verified": true, "answer": 65099, "timestamp": "2026-02-08T08:20:55.687993Z" }
76f810
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 200, "completion_tokens": 1764 }, "timestamp": "2026-02-13T17:43:07.107Z", "answer": 65099 }, ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok_later" }, { "lemma": "POLY_PADIC_VAL_CONST", "stat...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
d8b027
nt_count_with_divisor_count_v1_151522320_1176
Let $A$ be the number of positive integers $n$ such that $1 \leq n \leq 8192$ and $n$ has exactly $2$ positive divisors. Let $B$ be the number of integers $t$ such that $7 \leq t \leq 5050$ and there exist positive integers $a \leq 528$ and $b \leq 1205$ satisfying $t = 5a + 2b$. Compute $B - A$.
4,012
graphs = [ Graph( let={ "upper": Const(8192), "div_count": Const(2), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("upper")), Eq(NumDivisors(n=Var("n")), Ref("div_count"))))), "Q": Sub(CountOverS...
NT
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM" ]
324ba4
nt_count_with_divisor_count_v1
negation_mod
4
0
[ "LIN_FORM" ]
1
0.686
2026-02-08T03:49:52.785004Z
{ "verified": true, "answer": 4012, "timestamp": "2026-02-08T03:49:53.471142Z" }
87d500
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 149, "completion_tokens": 2994 }, "timestamp": "2026-02-11T19:34:47.823Z", "answer": 4012 }, {...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no"...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
a65502
comb_count_partitions_v1_784195855_7255
Let $v = \sum_{k=0}^{0} (-1)^k \binom{0}{k}$ and $n_1 = \left( \sum_{k=0}^{9} (-1)^k \binom{9}{k} \right) \cdot v$. Let $e = \sum_{k=\binom{8}{8}-1}^{n_1} (-1)^k \binom{n_1}{k}$. Define $n$ to be $e$ multiplied by the number of elements in the Cartesian product of the sets $\{1, 2, 3\}$ and $\{1, 2, \dots, 13\}$. Let $...
14,850
graphs = [ Graph( let={ "_n": Const(62469), "n2": Const(0), "v": Summation(var="k", start=Const(0), end=Ref("n2"), expr=Mul(Pow(Const(-1), Var("k")), Binom(n=Ref("n2"), k=Var("k")))), "n1": Mul(Summation(var="k", start=Const(0), end=Const(9), expr=Mul(Pow(Cons...
COMB
null
COUNT
sympy
COUNT_CARTESIAN
[ "COUNT_CARTESIAN/BINOMIAL_ALTERNATING", "ZERO_BINOM_N" ]
d4ecfa
comb_count_partitions_v1
null
4
2
[ "BINOMIAL_ALTERNATING", "COUNT_CARTESIAN", "ZERO_BINOM_N" ]
3
0.005
2026-02-08T09:10:13.667621Z
{ "verified": true, "answer": 14850, "timestamp": "2026-02-08T09:10:13.672725Z" }
b27626
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 294, "completion_tokens": 2795 }, "timestamp": "2026-02-24T10:35:37.208Z", "answer": 14850 }, { "...
1
[ { "lemma": "BINOMIAL_ALTERNATING", "status": "ok_later" }, { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "ok" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma"...
{ "lo": -2.35, "mid": 1.22, "hi": 4.84 }