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e0314a
nt_count_divisible_and_v1_1248542787_433
Let $n$ be a positive integer. Define $d_1 = 6$ and $d_2 = \sum_{k=1}^{4} k$. Let $S$ be the set of all positive integers $n$ such that $1 \leq n \leq 144150$, $n$ is divisible by $d_1$, and $n$ is divisible by $d_2$. Let $r$ be the number of elements in $S$. Compute the smallest positive integer $k$ such that the $k$-...
360
graphs = [ Graph( let={ "_n": Const(4), "upper": Const(144150), "d1": Const(6), "d2": Summation(var="k", start=EulerPhi(n=Const(1)), end=Ref("_n"), expr=Var("k")), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Eu...
NT
null
COUNT
sympy
SUM_ARITHMETIC
[ "SUM_ARITHMETIC", "ONE_PHI_1" ]
342157
nt_count_divisible_and_v1
null
5
0
[ "ONE_PHI_1", "SUM_ARITHMETIC" ]
2
5.004
2026-02-08T03:07:16.888009Z
{ "verified": true, "answer": 360, "timestamp": "2026-02-08T03:07:21.891998Z" }
a28017
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 243, "completion_tokens": 3174 }, "timestamp": "2026-02-09T04:04:48.988Z", "answer": 360 }, { "id...
1
[ { "lemma": "DS2", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "ONE_PHI_1", "status": "ok" }, { "lemma": "SUM_ARITHMETIC", "status": "ok" },...
{ "lo": -6.51, "mid": -0.31, "hi": 5.43 }
1cd289
comb_catalan_compute_v1_1125832087_1405
Let $N$ be the number of integers $t$ in the interval $[5, 16]$ such that $t = 2a + 3b$ for some positive integers $a \in [1, 5]$ and $b \in [1, 2]$. Let $C_N$ denote the $N$-th Catalan number. Compute the remainder when $48625 \cdot C_N$ is divided by $74256$.
38,012
graphs = [ Graph( let={ "_n": Const(74256), "n": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=5)), Geq(left=Va...
COMB
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
comb_catalan_compute_v1
null
4
0
[ "LIN_FORM" ]
1
0.003
2026-02-08T03:43:02.921634Z
{ "verified": true, "answer": 38012, "timestamp": "2026-02-08T03:43:02.924355Z" }
b42820
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 209, "completion_tokens": 2738 }, "timestamp": "2026-02-23T22:43:54.798Z", "answer": 38012 }, { "...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ...
{ "lo": -0.05, "mid": 2.89, "hi": 5.27 }
3e8ecd
modular_modexp_compute_v1_1520064083_1506
Let $n$ be the maximum value of $xy$ over all pairs of positive integers $(x, y)$ such that $x + y = 186$. Let $e = \sum_{d \mid n} \phi(d)$, where $\phi$ denotes Euler's totient function. Compute the remainder when $19^e$ is divided by $32768$.
4,211
graphs = [ Graph( let={ "_n": MaxOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Sum(Var("x"), Var("y")), Const(186)))), expr=Mul(Var("x"), Var("y")))), "a": Const(19), ...
NT
null
COMPUTE
sympy
B1
[ "B1/K3" ]
759f54
modular_modexp_compute_v1
null
5
0
[ "B1", "K3" ]
2
0.001
2026-02-08T04:03:16.510638Z
{ "verified": true, "answer": 4211, "timestamp": "2026-02-08T04:03:16.511916Z" }
3e3e66
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": 6255 }, "timestamp": "2026-02-10T15:23:59.838Z", "answer": 4211 }, { "...
1
[ { "lemma": "B1", "status": "ok" }, { "lemma": "K3", "status": "ok_later" }, { "lemma": "K5", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "le...
{ "lo": -3.42, "mid": 1.86, "hi": 7.55 }
b2d947
alg_qf_psd_orbit_v1_601307018_564
Find the number of ordered triples $(a, b, c)$ of positive integers such that $1 \le a \le b \le c \le 55$ and $$ 50a^2 + 50b^2 + 50c^2 - 34ab - 34ac - 34bc = 86330. $$
6
graphs = [ Graph( let={ "result": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b"), Var("c")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), Const(55)), Geq(Var("b"), Const(1)), Leq(Var("b"), Const(55)), Geq(Var("c"), Const(1)), Leq(Var("c"), Const(55)), Leq(Var("a"),...
ALG
null
COUNT
sympy
MOBIUS_COPRIME
[ "MOBIUS_COPRIME" ]
ac54ac
alg_qf_psd_orbit_v1
null
5
null
[ "MOBIUS_COPRIME" ]
1
1.231
2026-03-10T01:05:43.121640Z
{ "verified": true, "answer": 6, "timestamp": "2026-03-10T01:05:44.352566Z" }
b5bdcc
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 181, "completion_tokens": 18047 }, "timestamp": "2026-03-28T23:25:42.369Z", "answer": 6 }, { "id"...
1
[ { "lemma": "MOBIUS_COPRIME", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": 4.01, "mid": 6.11, "hi": 9.15 }
10f5ec
geo_count_lattice_rect_v1_124444284_6942
Let $a = 169$ and $b = 260$. Compute the number of lattice points in the rectangle $[0, a] \times [0, b]$, including the boundary.
44,370
graphs = [ Graph( let={ "a": Const(169), "b": Const(260), "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
2026-02-08T08:43:28.552685Z
{ "verified": true, "answer": 44370, "timestamp": "2026-02-08T08:43:28.553083Z" }
c4b532
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 151, "completion_tokens": 286 }, "timestamp": "2026-02-24T09:58:26.271Z", "answer": 44370 }, { "i...
1
[]
{ "lo": -3.84, "mid": -1.67, "hi": 1.32 }
f160a9
diophantine_fbi2_min_v1_1918700295_1558
Let $k = 35$ and $n_0 = 5$. Let $S$ be the set of all ordered pairs $(k', j)$ with $k'$ and $j$ integers from 1 to 9, inclusive. Define $\text{sum} = \sum_{(k',j) \in S} k'$. Let $\text{upper} = \frac{2 \cdot \text{sum}}{18}$. Let $d_{\text{min}}$ be the smallest integer $d$ such that $d \geq 4$, $d \leq \text{upper}$,...
9,381
graphs = [ Graph( let={ "_n": Const(5), "k": Const(35), "upper": Div(Mul(Const(2), SumOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("k"), Var("_j")]), condition=Const(1), domain=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(9)), right=Inte...
NT
null
EXTREMUM
sympy
SUM_INDEPENDENT
[ "SUM_INDEPENDENT/SUM_ARITHMETIC" ]
87e6cf
diophantine_fbi2_min_v1
null
4
0
[ "SUM_ARITHMETIC", "SUM_INDEPENDENT" ]
2
0.006
2026-02-08T05:53:01.147309Z
{ "verified": true, "answer": 9381, "timestamp": "2026-02-08T05:53:01.153316Z" }
05404e
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 232, "completion_tokens": 814 }, "timestamp": "2026-02-12T15:42:15.360Z", "answer": 9381 }, { ...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "SUM_ARITHMETIC", "status": "ok_later" }, { "lemma": "SUM_INDEPENDENT", "status": "ok" }, { "lemma": "V1", "st...
{ "lo": -5.55, "mid": -3.01, "hi": 0.32 }
50bce9
comb_factorial_compute_v1_1353956133_570
Let $n = 7$. Define $d_{\text{max}}$ to be the largest positive integer $d$ such that $d \leq n$ and $d$ divides 119. Let $f = d_{\text{max}}!$. Compute the remainder when $44735 \cdot f$ is divided by 84284.
4,700
graphs = [ Graph( let={ "_n": Const(7), "n": MaxOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(1)), Leq(Var("d"), Ref("_n")), Divides(divisor=Var("d"), dividend=Const(119))))), "result": Factorial(Ref("n")), "_c": Const(44735), ...
NT
null
COMPUTE
sympy
MAX_DIVISOR
[ "MAX_DIVISOR" ]
51757e
comb_factorial_compute_v1
null
3
0
[ "MAX_DIVISOR" ]
1
0.002
2026-02-08T11:31:36.335887Z
{ "verified": true, "answer": 4700, "timestamp": "2026-02-08T11:31:36.337488Z" }
ca44cd
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 117, "completion_tokens": 2582 }, "timestamp": "2026-02-14T17:47:28.111Z", "answer": 4700 }, {...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "MAX_DIVISOR", "status": "ok" }, { "lemma": "V5", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
bcbecb
sequence_fibonacci_compute_v1_1520064083_4623
Let $n$ be the minimum value of $x + y$ over all ordered pairs $(x, y)$ of positive integers such that $xy = 144$. Let $F_n$ denote the $n$th Fibonacci number, where $F_1 = 1$, $F_2 = 1$, and $F_k = F_{k-1} + F_{k-2}$ for $k \geq 3$. Compute the remainder when $38416 - F_n$ is divided by $86345$.
78,393
graphs = [ Graph( let={ "_n": Const(86345), "n": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Mul(Var("x"), Var("y")), Const(144)))), expr=Sum(Var("x"), Var("y")))),...
NT
null
COMPUTE
sympy
B3
[ "B3" ]
0cd20d
sequence_fibonacci_compute_v1
null
4
0
[ "B3" ]
1
0.001
2026-02-08T06:21:38.563704Z
{ "verified": true, "answer": 78393, "timestamp": "2026-02-08T06:21:38.564705Z" }
a520b3
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": 832 }, "timestamp": "2026-02-12T22:54:18.013Z", "answer": 78393 }, {...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "K13", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -5.55, "mid": -3.01, "hi": 0.32 }
706c52
comb_factorial_compute_v1_153355830_2508
Let $n$ be the smallest integer greater than or equal to $2$ that divides $3773$. Compute $n!$.
5,040
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(3773))))), "result": Factorial(Ref("n")), }, goal=Ref("result"), ) ]
NT
null
COMPUTE
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR" ]
bc3776
comb_factorial_compute_v1
null
2
0
[ "MIN_PRIME_FACTOR" ]
1
0.001
2026-02-08T07:11:42.847842Z
{ "verified": true, "answer": 5040, "timestamp": "2026-02-08T07:11:42.848557Z" }
53e455
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 74, "completion_tokens": 816 }, "timestamp": "2026-02-13T08:24:28.175Z", "answer": 5040 }, { ...
1
[ { "lemma": "K14", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "V3", "status": "no" } ]
{ "lo": -5.92, "mid": -3.14, "hi": 0.26 }
3b4993
comb_count_derangements_v1_1520064083_3263
Let $T$ be the set of all positive integers $p$ such that there exists a positive integer $q$ with $p < q$, $pq = 108$, and $\gcd(p, q) = 1$. Let $n_1$ be the number of elements in $T$. Let $n_2$ be the largest prime number at most 9. Define $n$ to be the largest prime number such that $n_1 \leq n \leq n_2$. Compute th...
1,854
graphs = [ Graph( let={ "_c": Const(9), "_m": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Ref("_c")), IsPrime(Var("n"))))), "_n": CountOverSet(set=SolutionsSet(var=Var("p"), condition=And(IsPositive(arg=Var(name='p')), Ex...
NT
COMB
COUNT
sympy
MAX_DIVISOR
[ "MAX_PRIME_BELOW/COPRIME_PAIRS/MAX_PRIME_BELOW" ]
4eefd3
comb_count_derangements_v1
null
6
0
[ "COPRIME_PAIRS", "MAX_DIVISOR", "MAX_PRIME_BELOW" ]
3
0.033
2026-02-08T05:33:06.784654Z
{ "verified": true, "answer": 1854, "timestamp": "2026-02-08T05:33:06.817642Z" }
ce3a13
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 162, "completion_tokens": 1434 }, "timestamp": "2026-02-12T10:20:01.905Z", "answer": 1854 }, {...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok_later" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "V3", "status": "no"...
{ "lo": -5.55, "mid": -3.01, "hi": 0.32 }
b93f0c
nt_sum_divisors_mod_v1_677425708_2544
Let $S$ be the set of all ordered pairs $(x,y)$ of positive integers such that $xy = 6350400$. Let $n$ be the minimum value of $x + y$ over all such pairs. Let $\sigma(n)$ denote the sum of the positive divisors of $n$. Define $$ \text{result} = \sigma(n) \bmod 11311, $$ and $$ Q = (44121 \cdot \text{result}) \bmod 55...
47,726
graphs = [ Graph( let={ "n": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Mul(Var("x"), Var("y")), Const(6350400)))), expr=Sum(Var("x"), Var("y")))), "M": Const(1131...
NT
null
COMPUTE
sympy
B3
[ "B3" ]
0cd20d
nt_sum_divisors_mod_v1
null
6
0
[ "B3" ]
1
0.003
2026-02-08T05:07:00.087522Z
{ "verified": true, "answer": 47726, "timestamp": "2026-02-08T05:07:00.090727Z" }
5b35d8
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": 2601 }, "timestamp": "2026-02-11T22:51:56.127Z", "answer": 47726 }, { ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "K14", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V8", "status": "no" } ]
{ "lo": -3.42, "mid": 1.86, "hi": 7.55 }
0ce4d2
antilemma_k2_v1_397696148_1769
Let $x = \sum_{k=1}^{140} \phi(k) \left\lfloor \frac{140}{k} \right\rfloor$, where $\phi(k)$ denotes Euler's totient function. Let $Q = 66049 - x$. Compute the value of $Q$.
56,179
graphs = [ Graph( let={ "x": Summation(var="k", start=Const(1), end=Const(140), expr=Mul(EulerPhi(n=Var("k")), Floor(Div(Const(140), Var("k"))))), "_c": Const(66049), "Q": Sub(Ref("_c"), Ref("x")), }, goal=Ref("Q"), ) ]
NT
COMB
COMPUTE
sympy
K2
[ "K2" ]
6897ab
antilemma_k2_v1
null
6
0
[ "K2" ]
1
0.001
2026-02-08T12:46:02.206644Z
{ "verified": true, "answer": 56179, "timestamp": "2026-02-08T12:46:02.207518Z" }
19f6d9
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 108, "completion_tokens": 555 }, "timestamp": "2026-02-15T04:58:08.849Z", "answer": 56179 }, {...
1
[ { "lemma": "K15", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" } ]
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
ae77fc
diophantine_fbi2_count_v1_349078426_1692
Let $k = 1260$ and $m = 67320$. Let $S$ be the set of all positive integers $d$ such that $4 \leq d \leq 166$, $d$ divides $k$, $\frac{k}{d} \geq 3$, and $\frac{k}{d} \leq T$, where $T$ is the number of positive integers $k'$ not exceeding the number of positive integers $n \leq m$ for which $24$ divides $F_n$ (the $n$...
22
graphs = [ Graph( let={ "_m": Const(67320), "_n": Const(4), "k": Const(1260), "result": CountOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Ref("_n")), Leq(Var("d"), Const(166)), Divides(divisor=Var("d"), dividend=Ref("k")), Geq(Div(Ref("k"...
NT
null
COUNT
sympy
COUNT_FIB_DIVISIBLE
[ "COUNT_FIB_DIVISIBLE/C2" ]
65cf21
diophantine_fbi2_count_v1
null
7
0
[ "C2", "COUNT_FIB_DIVISIBLE" ]
2
0.014
2026-02-08T13:51:11.265589Z
{ "verified": true, "answer": 22, "timestamp": "2026-02-08T13:51:11.280057Z" }
d9edb4
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 185, "completion_tokens": 2478 }, "timestamp": "2026-02-15T20:52:53.784Z", "answer": 22 }, { ...
1
[ { "lemma": "C2", "status": "ok_later" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "ok" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "K5", "status": "no" ...
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
524c05
nt_min_crt_v1_2051736721_1721
Let $m = 4$, $k = 5$, $a = 3$, $b = 3$, and $\text{upper} = 20$. Consider the set of all integers $n$ such that $1 \leq n \leq 20$, $n \equiv 3 \pmod{4}$, and $n \equiv 3 \pmod{5}$. Let $r$ be the minimum value of $n$ in this set. Compute $r$.
3
graphs = [ Graph( let={ "m": Const(4), "k": Const(5), "a": Const(3), "b": Const(3), "upper": Const(20), "result": MinOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("upper")), Eq(Mod(value...
NT
null
EXTREMUM
sympy
MOBIUS_COPRIME
[ "MOBIUS_COPRIME", "LIOUVILLE_ONE" ]
16e91f
nt_min_crt_v1
null
3
0
[ "LIOUVILLE_ONE", "MOBIUS_COPRIME" ]
2
0.11
2026-02-08T16:10:47.983890Z
{ "verified": true, "answer": 3, "timestamp": "2026-02-08T16:10:48.093553Z" }
035689
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 148, "completion_tokens": 590 }, "timestamp": "2026-02-16T22:36:39.058Z", "answer": 3 }, { ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "LIOUVILLE_ONE", "status": "ok" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MOBIUS_COPRIME", "status": "...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
b2eac6
nt_num_divisors_compute_v1_124444284_9282
Let $n$ be the number of integers $t$ with $5 \leq t \leq 31$ for which there exist positive integers $a$ and $b$ such that $1 \leq a \leq 8$, $1 \leq b \leq 5$, and $t = 2a + 3b$. Let $r$ be the number of positive divisors of $n$. Let $m = r + 2$. The Fibonacci sequence is defined by $F_1 = 1$, $F_2 = 1$, and $F_k = F...
5
graphs = [ Graph( let={ "n": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=8)), Geq(left=Var(name='b'), right=Const(value=1...
NT
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
nt_num_divisors_compute_v1
null
6
0
[ "LIN_FORM" ]
1
0.003
2026-02-08T12:21:15.707128Z
{ "verified": true, "answer": 5, "timestamp": "2026-02-08T12:21:15.710100Z" }
3ebd21
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 208, "completion_tokens": 2060 }, "timestamp": "2026-02-15T00:11:55.246Z", "answer": 5 }, { ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" } ]
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
611ea5
geo_count_lattice_triangle_v1_1419126231_1425
Let $S = |100 \cdot 196 + 6 \cdot (-57)|$. Let $T = \gcd(100, 57) + \gcd\left(\left|6 - \left|\{ (a, b) : 1 \le a, b \le 35,\, 10a^2 - 18ab + 25b^2 \le \min\{x+y : x,y > 0,\, xy = 436921\}\}\right|\right|, |196 - 57|\right) + \gcd\left(6, \left|\max\{x_1 y_1 : x_1, y_1 > 0,\, x_1 + y_1 = 28\}\right|\right)$. Compute $\...
9,628
graphs = [ Graph( let={ "_c": Const(6), "_m": Const(100), "_n": Const(6), "area_2x": Abs(arg=Sum(Mul(Ref(name='_m'), Const(value=196)), Mul(Const(value=6), Sub(left=Const(value=0), right=Const(value=57))))), "boundary": Sum(GCD(a=Abs(arg=Const(valu...
GEOM
NT
COUNT
sympy
B3
[ "B3/QF_PSD_COUNT_LEQ", "B1" ]
9c61a5
geo_count_lattice_triangle_v1
null
6
0
[ "B1", "B3", "QF_PSD_COUNT_LEQ" ]
3
0.018
2026-02-25T10:52:13.173430Z
{ "verified": true, "answer": 9628, "timestamp": "2026-02-25T10:52:13.191611Z" }
b4fd34
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 295, "completion_tokens": 4912 }, "timestamp": "2026-03-30T12:28:53.561Z", "answer": 9628 }, { "i...
1
[ { "lemma": "B1", "status": "ok" }, { "lemma": "B3", "status": "ok" }, { "lemma": "QF_PSD_COUNT_LEQ", "status": "ok_later" } ]
{ "lo": -5.37, "mid": 0.23, "hi": 5.22 }
3f3025
nt_count_divisible_and_v1_1125832087_1649
Let $d_1$ be the number of positive integers $k$ such that $1 \leq k \leq 108$ and $9$ divides $k$. Let $d_2 = 18$. Let $N$ be the number of positive integers $n$ such that $1 \leq n \leq 135900$, $n \equiv 0 \pmod{d_1}$, and $n \equiv 0 \pmod{d_2}$. Compute the smallest positive integer $Q$ such that the $Q$-th Fibona...
2,516
graphs = [ Graph( let={ "upper": Const(135900), "d1": CountOverSet(set=SolutionsSet(var=Var("k"), condition=And(Geq(Var("k"), Const(1)), Leq(Var("k"), Const(108)), Divides(divisor=Const(9), dividend=Var("k"))), domain='positive_integers')), "d2": Const(18), "r...
NT
null
COUNT
sympy
C2
[ "C2" ]
9685eb
nt_count_divisible_and_v1
null
6
0
[ "C2" ]
1
4.731
2026-02-08T03:51:15.983931Z
{ "verified": true, "answer": 2516, "timestamp": "2026-02-08T03:51:20.715422Z" }
ff6b6f
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 194, "completion_tokens": 1667 }, "timestamp": "2026-02-11T19:44:38.855Z", "answer": 2516 }, {...
1
[ { "lemma": "C2", "status": "ok" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" ...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
76f0b6
antilemma_k3_v1_1520064083_1123
Let $n = 51138$. Compute the sum of $\phi(d)$ over all positive divisors $d$ of $n$, where $\phi$ denotes Euler's totient function.
51,138
graphs = [ Graph( let={ "_n": Const(51138), "x": SumOverDivisors(n=Ref(name='_n'), var='d', expr=EulerPhi(n=Var(name='d'))), }, goal=Ref("x"), ) ]
NT
COMB
COMPUTE
sympy
K3
[ "K3" ]
54c41e
antilemma_k3_v1
null
3
0
[ "K3" ]
1
0
2026-02-08T03:48:08.559252Z
{ "verified": true, "answer": 51138, "timestamp": "2026-02-08T03:48:08.559600Z" }
16c18b
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 149, "completion_tokens": 350 }, "timestamp": "2026-02-10T15:45:34.587Z", "answer": 51138 }, { "i...
1
[ { "lemma": "DS2", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "K3", "status": "ok" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" } ]
{ "lo": -5.55, "mid": -3.02, "hi": 0.31 }
fef26b
lte_diff_endings_v1_168721529_1843
Let $ a = 7 $, $ b = 3 $, $ p = 2 $, $ K = 6 $, and $ N = 1005157 $. Let $ v_p(a-b) $ denote the highest power of $ p $ dividing $ a - b $. Let $ m = K - v_p(a-b) $, and let $ p^m $ be the $ m $-th power of $ p $. Compute the greatest integer less than or equal to $ \frac{N}{p^m} $.
62,822
graphs = [ Graph( let={ "a_val": Const(7), "b_val": Const(3), "p_val": Const(2), "K_val": Const(6), "N_val": Const(1005157), "diff": Sub(Ref("a_val"), Ref("b_val")), "vp_diff": MaxKDivides(target=Ref("diff"), base=Ref("p_val...
NT
null
COMPUTE
sympy
LTE_DIFF
[ "LTE_DIFF" ]
cf8260
lte_diff_endings_v1
null
3
null
[ "LTE_DIFF" ]
1
0.001
2026-02-08T13:57:09.046076Z
{ "verified": true, "answer": 62822, "timestamp": "2026-02-08T13:57:09.047361Z" }
f161b7
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 217, "completion_tokens": 675 }, "timestamp": "2026-02-09T22:20:31.005Z", "answer": 62822 }, { "i...
2
[ { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "LTE_DIFF", "status": "ok" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "V5", "status": "no" }, { "lemma": "V8", "status": "no" } ]
{ "lo": -10, "mid": -6.47, "hi": -2.95 }
cf6b75
comb_count_permutations_fixed_v1_124444284_2337
Let $n = \sum_{k=1}^{3} \phi(k) \cdot \left\lfloor \frac{3}{k} \right\rfloor$. Compute the value of $\binom{n}{1} \cdot !(n - 1)$, where $!m$ denotes the number of derangements of $m$ elements.
264
graphs = [ Graph( let={ "_n": Const(3), "n": Summation(var="k", start=Const(1), end=Ref("_n"), expr=Mul(EulerPhi(n=Var("k")), Floor(Div(Const(3), Var("k"))))), "k": Const(1), "result": Mul(Binom(n=Ref("n"), k=Ref("k")), Subfactorial(arg=Sub(left=Ref(name='n'),...
NT
COMB
COUNT
sympy
K2
[ "K2" ]
6897ab
comb_count_permutations_fixed_v1
null
4
0
[ "K2" ]
1
0.001
2026-02-08T04:35:58.856865Z
{ "verified": true, "answer": 264, "timestamp": "2026-02-08T04:35:58.858158Z" }
d093e0
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 188, "completion_tokens": 831 }, "timestamp": "2026-02-10T17:15:58.613Z", "answer": 264 }, { "id...
2
[ { "lemma": "C2", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" } ]
{ "lo": -9.14, "mid": -6.05, "hi": -3.73 }
e53085
nt_count_gcd_equals_v1_865884756_614
Let $k$ be the number of integers $t$ in the range $27 \leq t \leq 1062$ for which there exist positive integers $a$ and $b$ with $1 \leq a \leq 135$, $1 \leq b \leq 12$, and $t = 6a + 21b$. Determine the number of positive integers $n \leq 38226$ such that $\gcd(n, k) = 340$.
112
graphs = [ Graph( let={ "upper": Const(38226), "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=135)), Geq(le...
NT
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
nt_count_gcd_equals_v1
null
6
0
[ "LIN_FORM" ]
1
6.229
2026-02-08T15:31:53.231832Z
{ "verified": true, "answer": 112, "timestamp": "2026-02-08T15:31:59.460618Z" }
1182ac
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 145, "completion_tokens": 3014 }, "timestamp": "2026-02-16T07:45:42.683Z", "answer": 112 }, { ...
1
[ { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V5", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
0edb56
antilemma_cartesian_v1_784195855_5103
Let $A$ be the Cartesian product of the sets $\{1, 2, \dots, 13\}$ and $\{1, 2, \dots, 47\}$. Let $B$ be the Cartesian product of the sets $\{1, 2, \dots, 16\}$ and $\{1, 2, \dots, 32\}$. Let $x$ be the number of elements in $A$, and let $y$ be the number of elements in $B$. Compute the remainder when $y - x$ is divi...
50,497
graphs = [ Graph( let={ "_n": Const(50596), "x": CountOverSet(set=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(13)), right=IntegerRange(start=Const(1), end=Const(47)))), "Q": Mod(value=Sub(CountOverSet(set=CartesianProduct(left=IntegerRange(start=Const(1),...
COMB
GEOM
COMPUTE
sympy
COUNT_CARTESIAN
[ "COUNT_CARTESIAN", "COUNT_CARTESIAN" ]
f9c395
antilemma_cartesian_v1
negation_mod
2
0
[ "COUNT_CARTESIAN" ]
1
0.001
2026-02-08T07:40:24.595039Z
{ "verified": true, "answer": 50497, "timestamp": "2026-02-08T07:40:24.596103Z" }
e56340
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 236, "completion_tokens": 273 }, "timestamp": "2026-02-24T08:19:47.527Z", "answer": 50497 }, { "i...
1
[ { "lemma": "COUNT_CARTESIAN", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "statu...
{ "lo": -7.18, "mid": -5, "hi": -3.01 }
87fd78
nt_gcd_compute_v1_124444284_1010
Let $n_1$ be the number of positive integers $n \leq 6584$ such that the sum of the digits of $n$ is odd. Let $c$ be the remainder when the number of positive divisors of $n_1$ is divided by $2$. Let $w = \sum_{d \mid 1} \mu(d)$, where $\mu$ is the M\"obius function. Let $a = 247654$ and $b = (427766 + c) \cdot w$. Com...
22,514
graphs = [ Graph( let={ "_n": Const(2), "n1": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Const(6584)), Eq(Mod(value=DigitSum(Var("n")), modulus=Const(2)), Const(1))))), "c": Mod(value=NumDivisors(n=Ref("n1")), modulus=...
NT
null
COMPUTE
sympy
L3B
[ "L3B/DIVISOR_PARITY", "MOBIUS_SUM" ]
a4569a
nt_gcd_compute_v1
null
4
2
[ "DIVISOR_PARITY", "L3B", "MOBIUS_SUM" ]
3
0.002
2026-02-08T03:38:55.681739Z
{ "verified": true, "answer": 22514, "timestamp": "2026-02-08T03:38:55.683334Z" }
11ca0e
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": 2218 }, "timestamp": "2026-02-09T08:41:39.867Z", "answer": 22514 }, { ...
2
[ { "lemma": "DIVISOR_PARITY", "status": "ok_later" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "L3B", "status": "ok" }, { "lemma": "MOBIUS_SUM", "status": "ok" }, { "lemma": "MOD_SUB", "status": "no" }, ...
{ "lo": -10, "mid": -6.47, "hi": -2.95 }
f6eb53
diophantine_fbi2_min_v1_784195855_8206
Let $k = 125$. Consider the set of all integers $d$ such that $4 \leq d \leq 135$, $d$ divides $k$, and $\frac{k}{d} \geq 4$. Let $\text{result}$ be the smallest element of this set. Let $Q$ be the Bell number $B_r$, where $r$ is the remainder when $|\text{result}|$ is divided by $11$. Compute $Q$.
52
graphs = [ Graph( let={ "k": Const(125), "a": Const(3), "b": Const(3), "upper": Const(135), "result": MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(4)), Leq(Var("d"), Ref("upper")), Divides(divisor=Var("d"), dividend=R...
NT
COMB
EXTREMUM
sympy
COMB1
[ "MAX_PRIME_BELOW/K2" ]
7eb1ee
diophantine_fbi2_min_v1
null
4
0
[ "COMB1", "K2", "MAX_PRIME_BELOW" ]
3
0.051
2026-02-08T15:56:10.637151Z
{ "verified": true, "answer": 52, "timestamp": "2026-02-08T15:56:10.687896Z" }
1eefd3
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 145, "completion_tokens": 603 }, "timestamp": "2026-02-16T17:38:37.576Z", "answer": 52 }, { ...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "K2", "status": "ok_later" }, { "lemma": "MAX_PRIME_BELOW", "s...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
f48325_l
diophantine_product_count_v1_1918700295_507
Let $k = 60$, and let $u$ be the largest prime number satisfying $2 \leq u \leq 42$. Determine the number of positive integers $x$ such that $1 \leq x \leq u$, $x$ divides $k$, and $\frac{k}{x} \leq u$.
11
NT
null
COUNT
sympy
MOBIUS_COPRIME
[ "MAX_PRIME_BELOW" ]
dc3ad3
diophantine_product_count_v1
null
4
0
[ "MAX_PRIME_BELOW", "MOBIUS_COPRIME" ]
2
0.035
2026-02-08T03:17:43.459154Z
{ "verified": false, "answer": 10, "timestamp": "2026-02-08T03:17:43.493935Z" }
5df067
f48325
legacy_text
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 181, "completion_tokens": 908 }, "timestamp": "2026-02-10T13:45:23.524Z", "answer": 10 }, { "id":...
1
[ { "lemma": "K14", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "V5", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -5.55, "mid": -3.02, "hi": 0.31 }
03b87e
modular_modexp_compute_v1_1742523217_1713
Let $a$ be the largest prime number $n$ such that $2 \leq n \leq 4$. Let $e$ be the number of positive integers $p$ for which there exists an integer $q$ such that $p \cdot q = 21910816304837460$, $\gcd(p, q) = 1$, and $p < q$. Let $m = 73984$. Compute the value of $a^e \bmod m$, the remainder when $a^e$ is divided by ...
52,225
graphs = [ Graph( let={ "_n": Const(4), "a": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Ref("_n")), IsPrime(Var("n"))))), "e": CountOverSet(set=SolutionsSet(var=Var("p"), condition=And(IsPositive(arg=Var(name='p')), Exis...
NT
null
COMPUTE
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW", "COPRIME_PAIRS" ]
05d703
modular_modexp_compute_v1
null
6
0
[ "COPRIME_PAIRS", "MAX_PRIME_BELOW" ]
2
0.002
2026-02-08T04:06:50.312711Z
{ "verified": true, "answer": 52225, "timestamp": "2026-02-08T04:06:50.314440Z" }
99b381
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 160, "completion_tokens": 3814 }, "timestamp": "2026-02-11T22:54:04.467Z", "answer": 52225 }, ...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "o...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
bef34b
alg_poly_preperiod_count_v1_601307018_7700
Let $f(x) = 3x^4 + 2x^3 + 3x^2 + 5x + 2$. For each non-negative integer $a \leq 98824$, define $N = f(a) \bmod 67$, $M = f(N) \bmod 67$, $R = f(M) \bmod 67$, $S = f(R) \bmod 67$. Find the number of such $a$ for which $S = M$ and $R \neq M$.
11,800
graphs = [ Graph( let={ "p1": Mod(value=Sum(Mul(Const(3), Pow(Var("a"), Const(4))), Mul(Const(2), Pow(Var("a"), Const(3))), Mul(Const(3), Pow(Var("a"), Const(2))), Mul(Const(5), Var("a")), Const(2)), modulus=Const(67)), "p2": Mod(value=Sum(Mul(Const(3), Pow(Ref("p1"), Const(4))), Mul...
ALG
null
COUNT
sympy
POLY_ORBIT_COUNT
[ "POLY_ORBIT_COUNT" ]
4ad965
alg_poly_preperiod_count_v1
null
6
null
[ "POLY_ORBIT_COUNT" ]
1
0.06
2026-03-10T08:18:02.882960Z
{ "verified": true, "answer": 11800, "timestamp": "2026-03-10T08:18:02.943286Z" }
5444a5
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 226, "completion_tokens": 17982 }, "timestamp": "2026-04-19T07:19:11.888Z", "answer": 11800 }, { ...
1
[ { "lemma": "POLY_ORBIT_COUNT", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": -5.34, "mid": 1.1, "hi": 7.53 }
134460
diophantine_fbi2_min_v1_784195855_5120
Let $k = 55$ and $u = 65$. Determine the smallest integer $d$ such that $6 \leq d \leq u$, $d$ divides $k$, and $\frac{k}{d} \geq 4$. Compute the value of $d$.
11
graphs = [ Graph( let={ "k": Const(55), "upper": Const(65), "result": MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(6)), Leq(Var("d"), Ref("upper")), Divides(divisor=Var("d"), dividend=Ref("k")), Geq(Div(Ref("k"), Var("d")), Const(4))))), ...
NT
null
EXTREMUM
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW" ]
dc3ad3
diophantine_fbi2_min_v1
null
2
0
[ "MAX_PRIME_BELOW" ]
1
0.005
2026-02-08T07:41:18.086617Z
{ "verified": true, "answer": 11, "timestamp": "2026-02-08T07:41:18.091400Z" }
827ca7
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 1, "correct": { "strict": false, "boxed": false, "relaxed": true }, "usage": { "prompt_tokens": 118, "completion_tokens": 370 }, "timestamp": "2026-02-15T19:03:09.566Z", "answer": 5 }, { "id": 11, ...
1
[ { "lemma": "K17", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "MOD_FACTORIAL", "status": "no" } ]
{ "lo": -9.14, "mid": -6.05, "hi": -3.73 }
978958
comb_binomial_compute_v1_2051736721_1910
Let $T$ be the set of all integers $t$ with $7 \leq t \leq 24$ that can be expressed as $t = 5a + 2b$ for positive integers $a, b$ with $1 \leq a \leq 2$ and $1 \leq b \leq 7$. Let $n$ be the number of elements in $T$. Let $k$ be the number of positive integers $p$ such that there exists a positive integer $q$ with $pq...
9,766
graphs = [ Graph( let={ "n": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=2)), Geq(left=Var(name='b'), right=Const(value=1...
NT
null
COMPUTE
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS", "LIN_FORM" ]
67610e
comb_binomial_compute_v1
null
7
0
[ "COPRIME_PAIRS", "LIN_FORM" ]
2
0.004
2026-02-08T16:19:10.593027Z
{ "verified": true, "answer": 9766, "timestamp": "2026-02-08T16:19:10.597272Z" }
bd0890
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 188, "completion_tokens": 1872 }, "timestamp": "2026-02-17T02:33:34.948Z", "answer": 9766 }, {...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "K13", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" },...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
dc1466
lin_form_endings_v1_153355830_107
Let $a = 9$, $b = 6$, $A = 31$, and $B = 6$. Compute $g = \gcd(a, b)$. Define $$ n = \left\lfloor \frac{aA + bB - a - b}{g} \right\rfloor + 1. $$ Let $k = 6093$ and $s = k \cdot n$. Find the remainder when $s$ is divided by $83013$.
34,302
graphs = [ Graph( let={ "a_coeff": Const(9), "b_coeff": Const(6), "A_val": Const(31), "B_val": Const(6), "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"), Ref(...
COMB
NT
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
lin_form_endings_v1
null
3
null
[ "LIN_FORM" ]
1
0.001
2026-02-08T02:53:16.843833Z
{ "verified": true, "answer": 34302, "timestamp": "2026-02-08T02:53:16.844372Z" }
91493d
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 217, "completion_tokens": 537 }, "timestamp": "2026-02-10T11:48:22.116Z", "answer": 34302 }, { "i...
1
[ { "lemma": "C2", "status": "no" }, { "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", "st...
{ "lo": -3.88, "mid": -1.29, "hi": 0.9 }
5f5943
nt_count_phi_equals_v1_1820931509_521
Let $n = 114$. Define $u$ to be the maximum value of $xy$ over all ordered pairs $(x, y)$ of positive integers such that $x + y = n$. Define $k$ to be the minimum value of $x + y$ over all ordered pairs $(x, y)$ of positive integers such that $xy = 191844$. Let $r$ be the number of positive integers $m$ with $1 \leq m ...
1,431
graphs = [ Graph( let={ "_n": Const(114), "upper": MaxOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Sum(Var("x"), Var("y")), Ref("_n")))), expr=Mul(Var("x"), Var("y"))))...
NT
null
COUNT
sympy
B1
[ "B1", "B3" ]
655d51
nt_count_phi_equals_v1
null
7
0
[ "B1", "B3" ]
2
0.587
2026-02-08T11:40:51.203315Z
{ "verified": true, "answer": 1431, "timestamp": "2026-02-08T11:40:51.790349Z" }
624c9f
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 174, "completion_tokens": 4798 }, "timestamp": "2026-02-14T18:01:34.768Z", "answer": 1431 }, {...
1
[ { "lemma": "B1", "status": "ok" }, { "lemma": "B3", "status": "ok" }, { "lemma": "K13", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "VAL_SUM...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
1349ab_l
antilemma_sum_equals_v1_153355830_1037
Let $x$ be the number of ordered pairs $(i,j)$ of positive integers such that $i + j = 8$, $1 \leq i \leq 7$, and $1 \leq j \leq 8$. Define $Q$ to be $11025$ plus the sum, over all digits of $|x|$, of the square of the position index (starting from 0 for the units digit) multiplied by the digit. Compute $Q$.
11,025
COMB
GEOM
COMPUTE
sympy
COMB1
[ "COUNT_SUM_EQUALS" ]
75ab0f
antilemma_sum_equals_v1
null
4
0
[ "COMB1", "COUNT_SUM_EQUALS" ]
2
0.032
2026-02-08T04:22:08.304081Z
{ "verified": false, "answer": 11032, "timestamp": "2026-02-08T04:22:08.335805Z" }
9d61de
1349ab
legacy_text
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 211, "completion_tokens": 3701 }, "timestamp": "2026-02-11T08:55:17.759Z", "answer": 11025 }, { ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "n...
{ "lo": 3.43, "mid": 5.73, "hi": 8.84 }
47cd8d
comb_count_surjections_v1_1520064083_7609
Let $S$ be the set of all ordered pairs $(x_1, x_2)$ of positive odd integers such that $x_1 + x_2 = 28$. Let $n$ be the number of ordered pairs $(x_1, x_2)$ of positive odd integers such that $x_1 + x_2 = |S|$. Compute $3! \cdot S(n, 3)$, where $S(n, 3)$ is the Stirling number of the second kind.
1,806
graphs = [ Graph( let={ "n": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x1"), Var("x2")]), condition=And(IsPositive(arg=Var(name='x1')), IsPositive(arg=Var(name='x2')), IsOdd(arg=Var(name='x1')), IsOdd(arg=Var(name='x2')), Eq(Sum(Var("x1"), Var("x2")), CountOverSet(set=SolutionsSet(v...
COMB
null
COUNT
sympy
COMB1
[ "COMB1/COMB1" ]
b2c526
comb_count_surjections_v1
null
4
0
[ "COMB1" ]
1
0.004
2026-02-08T09:12:27.956863Z
{ "verified": true, "answer": 1806, "timestamp": "2026-02-08T09:12:27.960543Z" }
c5890b
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 218, "completion_tokens": 1487 }, "timestamp": "2026-02-24T10:45:59.749Z", "answer": 1806 }, { "i...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COMB1", "status": "ok" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" } ]
{ "lo": -4.92, "mid": -2.91, "hi": -0.68 }
1cc463
comb_count_permutations_fixed_v1_1218484723_3371
Let $D_n$ denote the number of derangements of $n$ elements. Let $n$ be the number of non-negative integers $a$ with $0 \le a \le 72$ satisfying $$ \left(\left(\left(a^{2} -31 \bmod 73\right)^{2} -31 \bmod 73\right)^{2} -31 \bmod 73\right)^{2} -31 \bmod 73 = a, $$ $$ \left(a^{36} \bmod 73\right) + \left((a^{2} -31 \bmo...
28
graphs = [ Graph( let={ "_n": Const(2), "n": CountOverSet(set=SolutionsSet(var=Var("a"), condition=And(Geq(Var("a"), Const(0)), Leq(Var("a"), Const(72)), Eq(Mod(value=Sum(Pow(Mod(value=Sum(Pow(Mod(value=Sum(Pow(Mod(value=Sum(Pow(Var("a"), Const(2)), Const(-31)), modulus=Const(73)), C...
COMB
NT
COUNT
sympy
POLY_ORBIT_LEGENDRE
[ "POLY_ORBIT_LEGENDRE" ]
7c2be8
comb_count_permutations_fixed_v1
null
7
0
[ "POLY_ORBIT_LEGENDRE" ]
1
0.006
2026-02-25T05:04:50.778776Z
{ "verified": true, "answer": 28, "timestamp": "2026-02-25T05:04:50.784633Z" }
c49adf
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 474, "completion_tokens": 26927 }, "timestamp": "2026-03-29T09:54:39.687Z", "answer": 28 }, { "id...
1
[ { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "POLY_ORBIT_LEGENDRE", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "sta...
{ "lo": 1.55, "mid": 4.7, "hi": 7.23 }
d3456c
sequence_fibonacci_compute_v1_458359167_5455
Let $S$ be the set of all integers $t$ such that there exist integers $a$ and $b$ with $1 \le a \le 8$, $1 \le b \le 3$, $20 \le t \le 90$, and $t = 6a + 14b$. Let $n$ be the number of elements in $S$. Define $m = \sum_{d \mid n} \phi(d)$, where the sum is taken over all positive divisors $d$ of $n$, and $\phi$ denotes...
46,368
graphs = [ Graph( let={ "_n": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=8)), Geq(left=Var(name='b'), right=Const(value=...
NT
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM/K3" ]
c7df50
sequence_fibonacci_compute_v1
null
6
0
[ "K3", "LIN_FORM" ]
2
0.002
2026-02-08T12:31:28.262701Z
{ "verified": true, "answer": 46368, "timestamp": "2026-02-08T12:31:28.264628Z" }
a99030
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 179, "completion_tokens": 1214 }, "timestamp": "2026-02-15T02:01:48.536Z", "answer": 46368 }, ...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "K3", "status": "ok_later" }, { "lemma": "LIN_FORM", "status":...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
b44076
diophantine_product_count_v1_717093673_997
Let $k = 60$. Define $$ $$ Let $r$ be the number of positive integers $x$ such that $1 \le x \le u$, $x$ divides $k$, and $\frac{k}{x} \le u$. Compute $$ Q = r + \phi(|r| + 1) + \tau(|r| + 1), $$ where $\phi(n)$ denotes Euler's totient function and $\tau(n)$ denotes the number of positive divisors of $n$. Find the va...
22
graphs = [ Graph( let={ "k": Const(60), "upper": Summation(var="k1", start=Const(1), end=Const(8), expr=Mul(EulerPhi(n=Var("k1")), Floor(Div(Const(8), Var("k1"))))), "result": CountOverSet(set=SolutionsSet(var=Var("x"), condition=And(Geq(Var("x"), Const(1)), Leq(Var("x"),...
NT
null
COUNT
sympy
K3
[ "K2" ]
6897ab
diophantine_product_count_v1
null
6
0
[ "K2", "K3" ]
2
0.393
2026-02-08T15:46:53.342534Z
{ "verified": true, "answer": 22, "timestamp": "2026-02-08T15:46:53.735900Z" }
6a6601
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": 3057 }, "timestamp": "2026-02-16T13:57:48.847Z", "answer": 22 }, { ...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "L3c", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V1", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
55104f
diophantine_sum_product_min_v1_784195855_6011
Let $S = 51$. Let $P$ be the minimum value of $x + y$ over all ordered pairs $(x, y)$ of positive integers such that $xy = 29584$. Let $x_0$ be the smallest integer $x$ with $1 \leq x \leq 50$ such that $x(S - x) = P$. Let $c = 27415$. Compute the remainder when $c \cdot x_0$ is divided by $72424$.
2,048
graphs = [ Graph( let={ "_n": Const(50), "S": Const(51), "P": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Mul(Var("x"), Var("y")), Const(29584)))), expr...
NT
null
EXTREMUM
sympy
B3
[ "B3" ]
0cd20d
diophantine_sum_product_min_v1
null
6
0
[ "B3" ]
1
0.005
2026-02-08T08:15:16.790239Z
{ "verified": true, "answer": 2048, "timestamp": "2026-02-08T08:15:16.795668Z" }
83bb45
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 151, "completion_tokens": 1047 }, "timestamp": "2026-02-13T16:55:49.493Z", "answer": 2048 }, {...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
2f5da0
nt_count_gcd_equals_v1_784195855_10397
Let $ k $ be the number of ordered pairs $ (a, b) $ such that $ 1 \leq a \leq 9 $ and $ 1 \leq b \leq 17 $. Let $ S $ be the set of all positive integers $ n \leq 31329 $ such that $ \gcd(n, k) = 1 $. Compute the remainder when $ 17937 \cdot |S| $ is divided by $ 71263 $.
67,485
graphs = [ Graph( let={ "upper": Const(31329), "k": CountOverSet(set=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(9)), right=IntegerRange(start=Const(1), end=Const(17)))), "d": Const(1), "result": CountOverSet(set=SolutionsSet(var=Var("n"), con...
NT
null
COUNT
sympy
COUNT_CARTESIAN
[ "COUNT_CARTESIAN" ]
409d7d
nt_count_gcd_equals_v1
null
3
0
[ "COUNT_CARTESIAN" ]
1
2.455
2026-02-08T17:49:42.804835Z
{ "verified": true, "answer": 67485, "timestamp": "2026-02-08T17:49:45.259422Z" }
33a84d
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": 1610 }, "timestamp": "2026-02-18T13:36:37.050Z", "answer": 67485 }, ...
1
[ { "lemma": "COUNT_CARTESIAN", "status": "ok" }, { "lemma": "K14", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
679d2f
lin_form_endings_v1_48377204_2062
Let $a = 16$, $b = 40$, $A = 8$, and $B = 5$. Let $g = \gcd(a, b)$, $a' = \left\lfloor \frac{a}{g} \right\rfloor$, and $b' = \left\lfloor \frac{b}{g} \right\rfloor$. Define $\text{size}_T = a'A + b'B - a'b'$ and $\text{total} = aA + bB - a - b + 1$. Let $r = 16221 \times (\text{total} - \text{size}_T)$. Compute the rem...
21,612
graphs = [ Graph( let={ "a_coeff": Const(16), "b_coeff": Const(40), "A_val": Const(8), "B_val": Const(5), "g_step": GCD(a=Ref("a_coeff"), b=Ref("b_coeff")), "ap_node": Floor(Div(Ref("a_coeff"), Ref("g_step"))), "bp_node": Fl...
COMB
NT
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
lin_form_endings_v1
null
4
null
[ "LIN_FORM" ]
1
0.002
2026-02-08T16:35:39.000031Z
{ "verified": true, "answer": 21612, "timestamp": "2026-02-08T16:35:39.002431Z" }
356b31
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 197, "completion_tokens": 1197 }, "timestamp": "2026-02-17T07:20:09.290Z", "answer": 21612 }, ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status": "no...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
89ce37
antilemma_k2_v1_809748730_1833
Let $n = 117$ and define $$ S = \sum_{k=1}^{n} \phi(k) \left\lfloor \frac{117}{k} \right\rfloor. $$ Let $D$ be the sum of $d_i \cdot (i+1)^2$ over all digits $d_i$ of $|S|$, where $d_i$ is the $i$-th digit from the right, starting at $i=0$. Compute $D + 3136$.
3,316
graphs = [ Graph( let={ "_n": Const(117), "x": Summation(var="k", start=Const(1), end=Ref("_n"), expr=Mul(EulerPhi(n=Var("k")), Floor(Div(Const(117), Var("k"))))), "Q": Sum(Summation(var="i", start=Const(0), end=Sub(NumDigits(x=Abs(arg=Ref(name='x')), base=None), Const(1)...
NT
COMB
COMPUTE
sympy
K2
[ "K2" ]
6897ab
antilemma_k2_v1
null
7
0
[ "K2" ]
1
0.001
2026-02-08T12:43:27.310294Z
{ "verified": true, "answer": 3316, "timestamp": "2026-02-08T12:43:27.311021Z" }
74bfc5
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": 764 }, "timestamp": "2026-02-15T04:19:18.809Z", "answer": 3316 }, { ...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "K5", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "L3c", "status": "no" } ]
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
b86216
modular_count_residue_v1_48377204_258
Let $S_2$ be the set of all ordered pairs $(x_2, y_2)$ of positive integers such that $x_2 y_2 = 26244$. Let $s_2 = \min\{x_2 + y_2 \mid (x_2, y_2) \in S_2\}$. Let $S_1$ be the set of all ordered pairs $(x_1, y_1)$ of positive integers such that $x_1 y_1 = s_2$. Let $s_1 = \min\{x_1 + y_1 \mid (x_1, y_1) \in S_1\}$. Le...
4,166
graphs = [ Graph( let={ "upper": Const(62500), "m": Const(15), "r": 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")), MinOverSet(set=...
NT
null
COUNT
sympy
B3
[ "B3/B3" ]
8ffef9
modular_count_residue_v1
null
7
0
[ "B3" ]
1
2.063
2026-02-08T15:19:41.946169Z
{ "verified": true, "answer": 4166, "timestamp": "2026-02-08T15:19:44.009085Z" }
40e651
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 278, "completion_tokens": 1309 }, "timestamp": "2026-02-16T03:06:35.474Z", "answer": 4166 }, {...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "V3", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
d9f741
nt_count_divisors_in_range_v1_168721529_1514
Let $n = 720$ and $a = 1$. Let $b$ be the smallest positive integer such that $5^{180}$ divides $b!$. Find the number of positive divisors of $n$ that are at least $a$ and at most $b$.
30
graphs = [ Graph( let={ "_n": Const(180), "n": Const(720), "a": Const(1), "b": MinOverSet(set=SolutionsSet(var=Var("n"), condition=Geq(MaxKDivides(target=Factorial(Var("n")), base=Const(5)), Ref("_n")), domain='Z_{>0}')), "result": CountOverSet(set...
NT
null
COUNT
sympy
V5
[ "V5" ]
79df37
nt_count_divisors_in_range_v1
null
6
0
[ "V5" ]
1
0.02
2026-02-08T13:44:40.888297Z
{ "verified": true, "answer": 30, "timestamp": "2026-02-08T13:44:40.908729Z" }
df2c9c
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 169, "completion_tokens": 840 }, "timestamp": "2026-02-09T18:24:35.325Z", "answer": 30 }, { "id":...
2
[ { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "V5", "status": "ok" }, { "lemma": "V7", "status": "no" } ]
{ "lo": -10, "mid": -6.47, "hi": -2.95 }
b4acfe
nt_num_divisors_compute_v1_1520064083_7313
Find the number of positive divisors of $2022$.
8
graphs = [ Graph( let={ "n": Const(2022), "result": NumDivisors(n=Ref("n")), }, goal=Ref("result"), ) ]
NT
null
COMPUTE
sympy
L3C
[ "L3C/MOBIUS_COPRIME", "MOBIUS_SUM", "ONE_PHI_1" ]
1a5e7d
nt_num_divisors_compute_v1
null
2
0
[ "L3C", "MOBIUS_COPRIME", "MOBIUS_SUM", "ONE_PHI_1" ]
4
0.018
2026-02-08T08:54:13.190155Z
{ "verified": true, "answer": 8, "timestamp": "2026-02-08T08:54:13.207976Z" }
a5787e
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 68, "completion_tokens": 303 }, "timestamp": "2026-02-15T20:27:44.632Z", "answer": 8 }, { "id": 11, "m...
2
[ { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "L3C", "status": "ok" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "l...
{ "lo": -10, "mid": -7.73, "hi": -5.46 }
628e9c
alg_telescope_v1_1218484723_5241
Compute the remainder when $$ \sum_{k=0}^{\sum_{j=1}^{19} j} (4k^3 + 6k^2 + 4k + 1) $$ is divided by $1637$.
368
graphs = [ Graph( let={ "_n": Const(4), "result": Mod(value=Summation(var="k", start=Const(0), end=Summation(var="k1", start=Const(1), end=Const(19), expr=Var("k1")), expr=Sum(Mul(Ref("_n"), Pow(Var("k"), Const(3))), Mul(Const(6), Pow(Var("k"), Const(2))), Mul(Const(4), Var("k")), Co...
ALG
null
COMPUTE
sympy
SUM_ARITHMETIC
[ "SUM_ARITHMETIC" ]
eb34f0
alg_telescope_v1
null
3
0
[ "SUM_ARITHMETIC" ]
1
0.024
2026-02-25T06:53:49.446588Z
{ "verified": true, "answer": 368, "timestamp": "2026-02-25T06:53:49.470634Z" }
24052f
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 163, "completion_tokens": 1772 }, "timestamp": "2026-03-29T20:09:35.247Z", "answer": 368 }, { "id...
1
[ { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "SUM_ARITHMETIC", "status": "ok" } ]
{ "lo": -3.33, "mid": 1.03, "hi": 5.26 }
1e8cc4
geo_count_lattice_triangle_v1_458359167_293
Let $A = |121 \cdot 128 + 4 \cdot (-31)|$. Let $B = \gcd(121, 31) + \gcd(|121 - 4|, |31 - c|) + \gcd(4, d)$, where $c$ is the number of positive integers $p$ for which there exists a positive integer $q > p$ such that $pq = 751021292521500$ and $\gcd(p, q) = 1$, and $d$ is the number of positive integers $p$ for which ...
7,680
graphs = [ Graph( let={ "_n": Const(31), "area_2x": Abs(arg=Sum(Mul(Const(value=121), Const(value=128)), Mul(Const(value=4), Sub(left=Const(value=0), right=Ref(name='_n'))))), "boundary": Sum(GCD(a=Abs(arg=Const(value=121)), b=Abs(arg=Const(value=31))), GCD(a=Abs(arg=Sub(...
NT
null
COUNT
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS" ]
2bb3aa
geo_count_lattice_triangle_v1
null
7
0
[ "COPRIME_PAIRS" ]
1
0.013
2026-02-08T03:10:56.879956Z
{ "verified": true, "answer": 7680, "timestamp": "2026-02-08T03:10:56.892684Z" }
26925e
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 284, "completion_tokens": 10647 }, "timestamp": "2026-02-23T17:05:31.081Z", "answer": 7680 }, { ...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ...
{ "lo": -3.45, "mid": 1.18, "hi": 5.72 }
049228
comb_factorial_compute_v1_1419126231_463
Let $n$ be the number of ordered pairs $(a, b)$ of positive integers with $1 \leq a \leq b \leq 40$ such that $2a^2 + 2b^2 - 4ab = 2178$. Compute $n!$.
5,040
graphs = [ Graph( let={ "_n": Const(40), "n": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), Ref("_n")), Geq(Var("b"), Const(1)), Leq(Var("b"), Const(40)), Leq(Var("a"), Var("b")), Eq(Sum(Mul(Const(2), Pow(...
COMB
null
COMPUTE
sympy
QF_PSD_ORBIT
[ "QF_PSD_ORBIT" ]
1d37f3
comb_factorial_compute_v1
null
4
0
[ "QF_PSD_ORBIT" ]
1
0.001
2026-02-25T09:59:17.088607Z
{ "verified": true, "answer": 5040, "timestamp": "2026-02-25T09:59:17.089842Z" }
83edda
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 172, "completion_tokens": 871 }, "timestamp": "2026-03-30T08:36:48.359Z", "answer": 5040 }, { "id...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "QF_PSD_ORBIT", "status": "ok" }, { "lemma": "V8_SUM",...
{ "lo": -5.37, "mid": 0.23, "hi": 5.22 }
ab9ba7
nt_sum_over_divisible_v1_1874849503_644
Let $n$ be a positive integer. Define $d$ to be the number of positive integers $n$ such that $1 \leq n \leq 338$ and $\gcd(n, 21) = 1$. Let $S$ be the set of all positive integers $n$ such that $1 \leq n \leq 20160$ and $n$ is divisible by $d$. Compute the sum of all elements in $S$, multiply this sum by $44121$, and ...
15,195
graphs = [ Graph( let={ "_n": Const(44121), "upper": Const(20160), "divisor": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Const(338)), Eq(GCD(a=Var("n"), b=Const(21)), Const(1))))), "result": SumOverSet(set=...
NT
null
SUM
sympy
C4
[ "C4" ]
08d162
nt_sum_over_divisible_v1
null
5
0
[ "C4" ]
1
0.827
2026-02-08T13:14:16.189577Z
{ "verified": true, "answer": 15195, "timestamp": "2026-02-08T13:14:17.017027Z" }
65e213
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 238, "completion_tokens": 2850 }, "timestamp": "2026-02-09T19:19:48.761Z", "answer": 15195 }, { "...
1
[ { "lemma": "C4", "status": "ok" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -5.15, "mid": 0.12, "hi": 6.12 }
fd7d11
alg_poly4_min_v1_1218484723_2824
Let $S$ be the set of integers $v$ such that $16 \leq v \leq 10489$ and $v = 20a^2 + b^2 - 4ab$ for some integers $a, b$ with $1 \leq a, b \leq 23$. Let $A = |S|$. Minimize the expression \[ 168592a^4 - 666496a^3b + 1023360a^2b^2 - 650752ab^3 + 178432b^4 \] over all positive integers $a, b$ with $1 \leq a \leq A$ and $...
53,136
graphs = [ Graph( let={ "_n": Const(4), "result": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), CountOverSet(set=SolutionsSet(var=Var("v"), condition=And(Geq(Var("v"), Const(16)), Leq(Var("v")...
ALG
null
COMPUTE
sympy
QF_PSD_DISTINCT
[ "QF_PSD_DISTINCT" ]
a8f9cb
alg_poly4_min_v1
null
6
0
[ "QF_PSD_DISTINCT" ]
1
0.851
2026-02-25T04:33:03.364134Z
{ "verified": true, "answer": 53136, "timestamp": "2026-02-25T04:33:04.215446Z" }
d74a2f
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 274, "completion_tokens": 32768 }, "timestamp": "2026-03-29T06:52:18.841Z", "answer": null }, { ...
1
[ { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "QF_PSD_DISTINCT", "status": "ok" } ]
{ "lo": 3.81, "mid": 6.33, "hi": 9.49 }
4c2814
diophantine_fbi2_min_v1_238844314_961
Let $d$ be a positive integer. Let $k = 240$ and let $n = 4$. Define $\mathcal{D}$ to be the set of all positive divisors of 62750 that are at most 250. Let $U$ be the maximum element of $\mathcal{D}$. Define $\mathcal{S}$ to be the set of all integers $d$ such that $n \leq d \leq U$, $d$ divides $k$, and $\frac{k}{d} ...
4
graphs = [ Graph( let={ "_n": Const(4), "k": Const(240), "upper": MaxOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(1)), Leq(Var("d"), Const(250)), Divides(divisor=Var("d"), dividend=Const(62750))))), "result": MinOverSet(set=Solution...
NT
null
EXTREMUM
sympy
SUM_DIVISIBLE
[ "MAX_DIVISOR" ]
51757e
diophantine_fbi2_min_v1
null
3
0
[ "MAX_DIVISOR", "SUM_DIVISIBLE" ]
2
0.06
2026-02-08T13:50:05.935068Z
{ "verified": true, "answer": 4, "timestamp": "2026-02-08T13:50:05.995384Z" }
49f7ca
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 185, "completion_tokens": 727 }, "timestamp": "2026-02-16T05:07:27.725Z", "answer": 4 }, { "id": 11, "...
2
[ { "lemma": "C2", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_DIVISOR", "status": "ok" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "V7", "status": "no" } ]
{ "lo": -10, "mid": -7.27, "hi": -4.54 }
788df2
diophantine_product_count_v1_655260480_3562
Let $k = 1260$. Define $u$ to be the number of integers $t$ such that $24 \leq t \leq 759$ and there exist integers $a$ and $b$ with $1 \leq a \leq 11$, $1 \leq b \leq 44$, and $t = 9a + 15b$. Let $S$ be the set of positive integers $x$ such that $1 \leq x \leq u$, $x$ divides $k$, and $\frac{k}{x} \leq u$. Let $r$ be ...
61,518
graphs = [ Graph( let={ "_n": Const(2), "k": Const(1260), "upper": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), righ...
NT
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
diophantine_product_count_v1
null
5
0
[ "LIN_FORM" ]
1
0.027
2026-02-08T17:26:46.619842Z
{ "verified": true, "answer": 61518, "timestamp": "2026-02-08T17:26:46.646905Z" }
53710d
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 240, "completion_tokens": 4181 }, "timestamp": "2026-02-18T01:45:27.214Z", "answer": 61518 }, ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "V7", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
b9df8f
comb_count_partitions_v1_717093673_4008
Let $c = 11948$. Let $m$ be the number of positive integers $p$ for which there exists a positive integer $q$ such that $$pq = 108, \quad \gcd(p,q)=1, \quad p<q.$$ Let $S$ be the set of all integers $x$ satisfying $$x^{m} - 441x + c = 0,$$ and let $n_0$ be the sum of all elements of $S$. Let $n$ be the minimum value ...
53,174
graphs = [ Graph( let={ "_c": Const(11948), "_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=108)), Eq(left=GCD(a=Var(name='p'), b=Var(na...
NT
COMB
COUNT
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS/VIETA_SUM/B3" ]
dddd7f
comb_count_partitions_v1
null
8
0
[ "B3", "COPRIME_PAIRS", "VIETA_SUM" ]
3
0.005
2026-02-08T17:59:43.678100Z
{ "verified": true, "answer": 53174, "timestamp": "2026-02-08T17:59:43.682694Z" }
2de23a
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 230, "completion_tokens": 1685 }, "timestamp": "2026-02-18T11:01:30.702Z", "answer": 53174 }, ...
1
[ { "lemma": "B3", "status": "ok_later" }, { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONS...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
1d9cd8
comb_catalan_compute_v1_1874849503_1647
Let $c$ be the number of ordered pairs $(i, j)$ where $i \in \{1, 2, 3, 4\}$ and $j \in \{1, 2, \dots, 8\}$. Let $m$ be the number of ordered pairs $(x_1, x_2)$ of positive odd integers such that $x_1 + x_2 = c$. Let $n$ be the number of ordered pairs $(i, j)$ with $1 \leq i \leq 14$, $1 \leq j \leq 14$, and $i + j = m...
58,786
graphs = [ Graph( let={ "_c": CountOverSet(set=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(4)), right=IntegerRange(start=Const(1), end=Const(8)))), "_m": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x1"), Var("x2")]), condition=And(IsPositive(arg=Var(name='...
COMB
null
COMPUTE
sympy
COUNT_CARTESIAN
[ "COUNT_CARTESIAN/COMB1/COUNT_SUM_EQUALS", "COUNT_SUM_EQUALS/COUNT_SUM_EQUALS" ]
a0469e
comb_catalan_compute_v1
null
5
0
[ "COMB1", "COUNT_CARTESIAN", "COUNT_SUM_EQUALS" ]
3
0.024
2026-02-08T14:00:46.908198Z
{ "verified": true, "answer": 58786, "timestamp": "2026-02-08T14:00:46.932593Z" }
d7dc12
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 308, "completion_tokens": 1259 }, "timestamp": "2026-02-10T06:06:33.205Z", "answer": 58786 }, { "...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COMB1", "status": "ok_later" }, { "lemma": "COUNT_CARTESIAN", "status": "ok" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "V7", "st...
{ "lo": -2.37, "mid": 1.22, "hi": 4.84 }
456b56
modular_min_linear_v1_677425708_128
Let $a = 22914$, $b = 46956$, and $m = 60576$. Define $s = \sum_{d\mid \gcd(3,5)} \mu(d)$, where $\mu$ is the M\"obius function. Let $r$ be the smallest integer $x$ such that $x \geq s$, $x \leq m$, and $ax \equiv b \pmod{m}$. Compute $31329 - r$.
27,803
graphs = [ Graph( let={ "a": Const(22914), "b": Const(46956), "m": Const(60576), "result": MinOverSet(set=SolutionsSet(var=Var("x"), condition=And(Geq(Var("x"), SumOverDivisors(n=GCD(a=Const(value=3), b=Const(value=5)), var='d', expr=MoebiusMu(n=Var(name='d'))...
NT
null
EXTREMUM
sympy
MOBIUS_COPRIME
[ "MOBIUS_COPRIME" ]
ac54ac
modular_min_linear_v1
null
6
0
[ "MOBIUS_COPRIME" ]
1
4.86
2026-02-08T03:06:01.629627Z
{ "verified": true, "answer": 27803, "timestamp": "2026-02-08T03:06:06.489893Z" }
d4fb5e
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 220, "completion_tokens": 2476 }, "timestamp": "2026-02-08T20:20:02.001Z", "answer": 27803 }, { "...
1
[ { "lemma": "L3b", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MOBIUS_COPRIME", "status": "ok" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V8", "status": "no" } ]
{ "lo": -6.51, "mid": -0.53, "hi": 4.75 }
fb1288
comb_count_surjections_v1_784195855_3036
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 $i + j = 8$. Let $k$ be the number of ordered pairs $(i,j)$ of integers with $1 \leq i \leq 3$ and $1 \leq j \leq 3$ such that $i + j = 5$. Compute $k! \cdot S(n, k)$, where $S(n, k)$ denotes the number of ...
126
graphs = [ Graph( let={ "_n": Const(5), "n": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=Eq(Sum(Var("i"), Var("j")), Const(8)), domain=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(8)), right=IntegerRange(start=Const(1), end=Const(...
COMB
null
COUNT
sympy
COUNT_SUM_EQUALS
[ "COUNT_SUM_EQUALS" ]
75ab0f
comb_count_surjections_v1
null
5
0
[ "COUNT_SUM_EQUALS" ]
1
0.021
2026-02-08T06:11:48.765948Z
{ "verified": true, "answer": 126, "timestamp": "2026-02-08T06:11:48.786542Z" }
8b1467
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": 751 }, "timestamp": "2026-02-24T05:35:20.092Z", "answer": 126 }, { "id"...
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": -5.98, "mid": -3.97, "hi": -1.94 }
944a30
alg_poly3_sum_v1_601307018_5459
Let $S$ be the set of ordered pairs $(a_1, b_1)$ of positive integers with $1 \le a_1, b_1 \le 25$ such that $25b_1^2 + 10a_1^2 - 18a_1b_1 \le 1954$. Let $A = |S|$. Compute the remainder when $$\sum_{\substack{a \ge 1,\, a \le A \\ b \ge 1,\, b \le 152}} \left( -63b^3 - 45a^2b - 93ab^2 - 7a^3 \right)$$ is divided by $8...
67,502
graphs = [ Graph( let={ "_n": Const(2), "result": Mod(value=SumOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a1"), Var("b1")]), condition=An...
ALG
null
COMPUTE
sympy
QF_PSD_COUNT_LEQ
[ "QF_PSD_COUNT_LEQ" ]
009d0f
alg_poly3_sum_v1
null
6
0
[ "QF_PSD_COUNT_LEQ" ]
1
0.808
2026-03-10T06:04:51.261765Z
{ "verified": true, "answer": 67502, "timestamp": "2026-03-10T06:04:52.069367Z" }
712585
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 263, "completion_tokens": 7732 }, "timestamp": "2026-04-19T02:09:04.663Z", "answer": 67502 }, { ...
1
[ { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "QF_PSD_COUNT_LEQ", "status": "ok" } ]
{ "lo": -3.31, "mid": 1.32, "hi": 5.87 }
4a5272
diophantine_fbi2_count_v1_1742523217_3713
Let $k = 240$. Determine the number of positive integers $d$ such that $2 \leq d \leq 170$, $d$ divides $k$, and the quotient $k/d$ satisfies $2 \leq k/d \leq 170$. Let $r$ be this count. Find the smallest positive integer $t$ such that the $t$-th Fibonacci number is divisible by $r + 2$.
30
graphs = [ Graph( let={ "_n": Const(170), "k": Const(240), "result": CountOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(2)), Leq(Var("d"), Const(170)), Divides(divisor=Var("d"), dividend=Ref("k")), Geq(Div(Ref("k"), Var("d")), Const(2)), Leq(Div...
NT
null
COUNT
sympy
COUNT_COPRIME_GRID
[ "L3C" ]
73f8b0
diophantine_fbi2_count_v1
null
3
0
[ "COUNT_COPRIME_GRID", "L3C" ]
2
0.048
2026-02-08T06:03:32.124184Z
{ "verified": true, "answer": 30, "timestamp": "2026-02-08T06:03:32.172285Z" }
026640
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": 1833 }, "timestamp": "2026-02-12T18:41:38.339Z", "answer": 30 }, { ...
1
[ { "lemma": "DS2", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "L3C", "status": "ok" }, { "lemma": "L3b", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "V3", "status": "no" } ]
{ "lo": -5.55, "mid": -3.01, "hi": 0.32 }
df2be8
nt_min_coprime_above_v1_1440796553_624
Let $S$ be the set of all ordered pairs of positive integers $(p, q)$ such that $p \cdot q = 54$, $\gcd(p, q) = 1$, and $p < q$. Let $c$ be the number of such pairs. Compute $\phi(c)$, where $\phi$ is Euler's totient function. Find the smallest integer $n$ such that $53824 < n \leq 53849$ and $\gcd(n, 15) = \phi(c)$. D...
53,827
graphs = [ Graph( let={ "start": Const(53824), "upper": Const(53849), "modulus": Const(15), "result": MinOverSet(set=SolutionsSet(var=Var("n"), condition=And(Gt(Var("n"), Ref("start")), Leq(Var("n"), Ref("upper")), Eq(GCD(a=Var("n"), b=Ref("modulus")), EulerPh...
NT
null
EXTREMUM
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS/ONE_PHI_2" ]
761f00
nt_min_coprime_above_v1
null
5
0
[ "COPRIME_PAIRS", "ONE_PHI_2" ]
2
0.015
2026-02-08T11:54:11.236788Z
{ "verified": true, "answer": 53827, "timestamp": "2026-02-08T11:54:11.251439Z" }
1f2ab4
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 224, "completion_tokens": 374 }, "timestamp": "2026-02-22T03:14:58.152Z", "answer": 53827 } ]
2
[ { "lemma": "C2", "status": "no" }, { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "K13", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "ONE_PHI_2", "status": "ok_later" }...
{ "lo": -10, "mid": -6.47, "hi": -2.95 }
0a37ef
lin_form_endings_v1_260342960_18
Let $a = 45$ and $b = 27$. Define $g = \gcd(45, 27)$, and let $a' = \left\lfloor \frac{45}{g} \right\rfloor$ and $b' = \left\lfloor \frac{27}{g} \right\rfloor$. Let $A = 45$ and $B = 34$. Define $S_T$ to be the sum $a'A + b'B - a'b'$, and define $S_{\text{total}}$ to be $45 \cdot 45 + 27 \cdot 34 - 45 - 27 + 1$. Comp...
2,560
graphs = [ Graph( let={ "a_coeff": Const(45), "b_coeff": Const(27), "A_val": Const(45), "B_val": Const(34), "g_step": GCD(a=Ref("a_coeff"), b=Ref("b_coeff")), "ap_node": Floor(Div(Ref("a_coeff"), Ref("g_step"))), "bp_node": ...
COMB
NT
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
lin_form_endings_v1
null
5
null
[ "LIN_FORM" ]
1
0.001
2026-02-08T11:11:10.927896Z
{ "verified": true, "answer": 2560, "timestamp": "2026-02-08T11:11:10.928947Z" }
dfa388
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 278, "completion_tokens": 698 }, "timestamp": "2026-02-08T20:27:35.397Z", "answer": 2560 }, { "id...
1
[ { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status": "no" ...
{ "lo": -3.81, "mid": -1.12, "hi": 1.3 }
90920e
comb_count_surjections_v1_124444284_6775
Let $n$ be the number of integers $t$ with $26 \leq t \leq 40$ for which there exist integers $a$ and $b$ such that $1 \leq a \leq 3$, $1 \leq b \leq 2$, and $t = 4a + 6b + 16$. Let $s$ be the number of ordered pairs $(x_1, x_2)$ of positive odd integers such that $x_1 + x_2 = 10$. Let $k$ be the number of ordered trip...
53,284
graphs = [ Graph( let={ "_n": Const(53824), "n": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=3)), Geq(left=Va...
COMB
null
COUNT
sympy
COMB1
[ "COMB1/COMB1", "LIN_FORM" ]
eea36a
comb_count_surjections_v1
null
6
0
[ "COMB1", "LIN_FORM" ]
2
0.036
2026-02-08T08:37:46.901848Z
{ "verified": true, "answer": 53284, "timestamp": "2026-02-08T08:37:46.937714Z" }
da03dc
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 302, "completion_tokens": 1176 }, "timestamp": "2026-02-24T09:47:48.976Z", "answer": 53284 }, { "...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COMB1", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "LIN_FORM", ...
{ "lo": -4.92, "mid": -2.91, "hi": -0.68 }
394d3b
nt_count_divisible_and_v1_865884756_4483
Let $n = 67816$. Define $\text{upper} = 105528$, $d_1 = 8$, and $d_2$ to be the number of positive integers $k$ such that $1 \leq k \leq 768$ and $64$ divides $k$. Let $\text{result}$ be the number of positive integers $m$ such that $1 \leq m \leq \text{upper}$, $m \equiv 0 \pmod{d_1}$, and $m \equiv 0 \pmod{d_2}$. Let...
33,527
graphs = [ Graph( let={ "_n": Const(67816), "upper": Const(105528), "d1": Const(8), "d2": CountOverSet(set=SolutionsSet(var=Var("k"), condition=And(Geq(Var("k"), Const(1)), Leq(Var("k"), Const(768)), Divides(divisor=Const(64), dividend=Var("k"))), domain='posi...
ALG
NT
COUNT
sympy
C2
[ "C2" ]
9685eb
nt_count_divisible_and_v1
null
4
0
[ "C2" ]
1
3.489
2026-02-08T17:57:33.801699Z
{ "verified": true, "answer": 33527, "timestamp": "2026-02-08T17:57:37.291040Z" }
eb56a2
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 225, "completion_tokens": 1274 }, "timestamp": "2026-02-18T10:31:45.117Z", "answer": 33527 }, ...
1
[ { "lemma": "C2", "status": "ok" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "V7", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
e3ebf8
geo_visible_lattice_v1_971394319_1415
Let $n = 121$. Define $L$ as the number of visible lattice points $(x, y)$ such that $1 \leq x, y \leq n$ and $\gcd(x, y) = 1$. Compute the remainder when $44121 \cdot L$ is divided by $80126$. Find the value of $Q$.
68,211
graphs = [ Graph( let={ "n": Const(121), "result": VisibleLatticePoints(n=Ref(name='n')), "Q": Mod(value=Mul(Const(44121), Ref("result")), modulus=Const(80126)), }, goal=Ref("Q"), ) ]
GEOM
null
COUNT
sympy
[]
geo_visible_lattice_v1
null
4
0
null
null
0.324
2026-02-08T13:40:44.204478Z
{ "verified": true, "answer": 68211, "timestamp": "2026-02-08T13:40:44.528128Z" }
73dae1
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 187, "completion_tokens": 7730 }, "timestamp": "2026-02-24T18:55:27.732Z", "answer": 68211 }, { "...
1
[]
{ "lo": 1.15, "mid": 4.18, "hi": 6.61 }
760b9b
sequence_count_fib_divisible_v1_784195855_9146
Let $\phi(n)$ denote Euler's totient function. Define $$ \text{upper} = \sum_{k=1}^{36} \phi(k) \left\lfloor \frac{36}{k} \right\rfloor. $$ Let $d = 4$. Compute the number of positive integers $n$ such that $1 \leq n \leq \text{upper}$ and $d$ divides the $n$th Fibonacci number $F_n$. Find the value of this count.
111
graphs = [ Graph( let={ "upper": Summation(var="k", start=Const(1), end=Const(36), expr=Mul(EulerPhi(n=Var("k")), Floor(Div(Const(36), Var("k"))))), "d": Const(4), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), R...
NT
null
COUNT
sympy
B3
[ "K2" ]
6897ab
sequence_count_fib_divisible_v1
null
7
0
[ "B3", "K2" ]
2
0.092
2026-02-08T16:33:38.211457Z
{ "verified": true, "answer": 111, "timestamp": "2026-02-08T16:33:38.303524Z" }
3088d3
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": 979 }, "timestamp": "2026-02-17T07:27:21.321Z", "answer": 111 }, { ...
1
[ { "lemma": "K15", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "V5", "status": "no" }, { "lemma": "V7", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
cd10ac
modular_inverse_v1_1248542787_64
Let $a = 198$ and let $m$ be the largest prime number not exceeding $715$. Let $u = 708$. Determine the smallest positive integer $x \leq u$ such that $198x \equiv 1 \pmod{m}$. Compute the remainder when $21773 \cdot x$ is divided by $83768$.
36,214
graphs = [ Graph( let={ "_n": Const(83768), "a": Const(198), "m": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Const(715)), IsPrime(Var("n"))))), "upper": Const(708), "result": MinOverSet(set=Soluti...
NT
null
EXTREMUM
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW" ]
dc3ad3
modular_inverse_v1
null
4
0
[ "MAX_PRIME_BELOW" ]
1
0.033
2026-02-08T02:56:14.524187Z
{ "verified": true, "answer": 36214, "timestamp": "2026-02-08T02:56:14.557114Z" }
03fbe4
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 191, "completion_tokens": 1530 }, "timestamp": "2026-02-08T23:58:44.673Z", "answer": 36214 }, { "...
1
[ { "lemma": "DS2", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "V3", "status": "no" } ]
{ "lo": -1, "mid": 0.95, "hi": 2.6 }
974932_n
alg_poly3_min_v1_1218484723_5729
A robotics team designs a power function for their motor controller: $P(a,b) = 658b^3 + C a b^2 + 31584a^2b + 42112a^3$, where $C$ is the minimal perimeter (sum of length and width) of a rectangular enclosure with area $15586704$. The parameter $b$ must be a positive integer no greater than the number of distinct volta...
82,250
ALG
null
COMPUTE
sympy
QF_PSD_DISTINCT
[ "QF_PSD_DISTINCT", "B3" ]
a6e1c7
alg_poly3_min_v1
null
6
null
[ "B3", "QF_PSD_DISTINCT" ]
2
0.028
2026-02-25T07:18:04.805695Z
null
d377d1
974932
narrative
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 277, "completion_tokens": 12323 }, "timestamp": "2026-03-31T00:04:21.143Z", "answer": 82250 }, { ...
2
[ { "lemma": "B3", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "QF_PSD_DISTINCT", "status": "ok" } ]
{ "lo": -10, "mid": -5.89, "hi": -1.79 }
e6a4ee
diophantine_fbi2_min_v1_655260480_448
Let $k = \sum_{k_1=1}^{6} k_1$. Let $u$ be the largest prime number $n$ such that $2 \le n \le 34$. Determine the value of $\min\{ d \mid 3 \le d \le u,\ d \text{ divides } k,\ k/d \ge 7 \}$.
3
graphs = [ Graph( let={ "_n": Const(2), "k": Summation(var="k1", start=Const(1), end=Const(6), expr=Var("k1")), "upper": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Ref("_n")), Leq(Var("n"), Const(34)), IsPrime(Var("n"))))), "result":...
NT
null
EXTREMUM
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW", "SUM_ARITHMETIC" ]
15f63b
diophantine_fbi2_min_v1
null
5
0
[ "MAX_PRIME_BELOW", "SUM_ARITHMETIC" ]
2
0.007
2026-02-08T15:23:40.530673Z
{ "verified": true, "answer": 3, "timestamp": "2026-02-08T15:23:40.538066Z" }
25e3c1
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 125, "completion_tokens": 523 }, "timestamp": "2026-02-16T05:24:46.582Z", "answer": 3 }, { ...
1
[ { "lemma": "K16", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { ...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
13882f
comb_sum_binomial_row_v1_1520064083_9067
Let $n = 12$. Compute $2^n$. Let $D$ be the set of all positive integers $d$ such that $1 \le d \le 9801$ and $d$ divides $96079203$. Let $M$ be the maximum element of $D$. Find the value of $M - 2^n$.
5,705
graphs = [ Graph( let={ "_n": Const(2), "n": Const(12), "result": Pow(Ref("_n"), Ref("n")), "Q": Sub(MaxOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(1)), Leq(Var("d"), Const(9801)), Divides(divisor=Var("d"), dividend=Const(96079203)...
NT
null
SUM
sympy
MAX_DIVISOR
[ "MAX_DIVISOR" ]
ad1a9b
comb_sum_binomial_row_v1
negation_mod
3
0
[ "MAX_DIVISOR" ]
1
0.001
2026-02-08T10:32:00.450000Z
{ "verified": true, "answer": 5705, "timestamp": "2026-02-08T10:32:00.451317Z" }
e3815c
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 120, "completion_tokens": 4965 }, "timestamp": "2026-02-14T07:40:13.126Z", "answer": 5705 }, {...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MAX_DIVISOR", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "V5", "status": "no" } ]
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
ac9f67
algebra_poly_eval_v1_784195855_5813
Compute the value of $$ \left( \sum_{k=1}^{4} k \right) \cdot 23^2 + (-6) \cdot 23 + 6. $$ Multiply this result by $96933$, then compute the final value modulo $94450$. Give your answer as an integer between $0$ and $94449$.
56,564
graphs = [ Graph( let={ "k": Const(23), "result": Sum(Mul(Summation(var="k", start=Const(1), end=Const(4), expr=Var("k")), Pow(Ref("k"), Const(2))), Mul(Const(-6), Ref("k")), Const(6)), "_c": Const(96933), "Q": Mod(value=Mul(Ref("_c"), Ref("result")), modulus=...
NT
null
COMPUTE
sympy
SUM_ARITHMETIC
[ "SUM_ARITHMETIC" ]
eb34f0
algebra_poly_eval_v1
null
2
0
[ "SUM_ARITHMETIC" ]
1
0.001
2026-02-08T08:07:23.339120Z
{ "verified": true, "answer": 56564, "timestamp": "2026-02-08T08:07:23.340212Z" }
7fcb44
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 120, "completion_tokens": 1095 }, "timestamp": "2026-02-13T15:16:05.083Z", "answer": 56564 }, ...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "SUM_ARITHMETIC", "status": "ok" }, { "lemma": "V5", ...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
678639
nt_gcd_compute_v1_1116507919_215
Let $a = 170625$ and $b = 398125$. Let $d = \gcd(a, b)$. Let $s = \sum_{k=1}^{5} k$. Compute the value of $$d + \left(2^{d \bmod s} \bmod 91299\right).$$
57,899
graphs = [ Graph( let={ "_n": Const(91299), "a": Const(170625), "b": Const(398125), "result": GCD(a=Ref("a"), b=Ref("b")), "Q": Sum(Ref("result"), Mod(value=Pow(Const(2), Mod(value=Ref("result"), modulus=Summation(var="k", start=EulerPhi(n=Const(1)...
NT
null
COMPUTE
sympy
SUM_ARITHMETIC
[ "SUM_ARITHMETIC", "ONE_PHI_1" ]
712f3e
nt_gcd_compute_v1
mod_exp
5
0
[ "ONE_PHI_1", "SUM_ARITHMETIC" ]
2
0.001
2026-02-08T02:28:55.777750Z
{ "verified": true, "answer": 57899, "timestamp": "2026-02-08T02:28:55.779007Z" }
699f8e
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 185, "completion_tokens": 374 }, "timestamp": "2026-02-08T19:15:15.841Z", "answer": 57899 }, { "i...
1
[ { "lemma": "DS2", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "ONE_PHI_1", "status": "ok" }, { "lemma": "SUM_ARI...
{ "lo": -4.6, "mid": 0.15, "hi": 4.61 }
93bc2a
nt_num_divisors_compute_v1_48377204_2270
Let $ n = 22500 $. Compute the number of positive divisors of $ n $.
45
graphs = [ Graph( let={ "n": Const(22500), "result": NumDivisors(n=Ref("n")), }, goal=Ref("result"), ) ]
NT
null
COMPUTE
sympy
C3
[ "LIN_FORM" ]
7b2633
nt_num_divisors_compute_v1
null
2
0
[ "C3", "LIN_FORM" ]
2
0.075
2026-02-08T16:42:06.661613Z
{ "verified": true, "answer": 45, "timestamp": "2026-02-08T16:42:06.736631Z" }
7f9c60
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 77, "completion_tokens": 374 }, "timestamp": "2026-02-16T07:43:51.383Z", "answer": 45 }, { "id": 11, "...
2
[ { "lemma": "K14", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no...
{ "lo": -10, "mid": -7.27, "hi": -4.54 }
d7db4a
modular_count_residue_v1_397696148_1227
Let $m$ be the number of positive integers $k \leq 990$ that are divisible by $99$. Let $r = 4$. Compute the number of positive integers $n \leq 72361$ such that $n \equiv r \pmod{m}$.
7,236
graphs = [ Graph( let={ "_n": Const(990), "upper": Const(72361), "m": CountOverSet(set=SolutionsSet(var=Var("k"), condition=And(Geq(Var("k"), Const(1)), Leq(Var("k"), Ref("_n")), Divides(divisor=Const(99), dividend=Var("k"))), domain='positive_integers')), "r"...
ALG
NT
COUNT
sympy
C2
[ "C2" ]
9685eb
modular_count_residue_v1
null
3
0
[ "C2" ]
1
6.918
2026-02-08T12:25:25.168643Z
{ "verified": true, "answer": 7236, "timestamp": "2026-02-08T12:25:32.086460Z" }
4bf228
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 122, "completion_tokens": 247 }, "timestamp": "2026-02-16T03:46:52.569Z", "answer": 7236 }, { "id": 11, ...
2
[ { "lemma": "C2", "status": "ok" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -9.12, "mid": -6.02, "hi": -3.62 }
837707
diophantine_product_count_v1_1520064083_7890
Let $r$ be the number of positive integers $x$ such that $1 \leq x \leq 149$, $x$ divides $1260$, and $\frac{1260}{x} \leq 149$. Let $c$ be the largest positive divisor of $49098013$ that is at most $7001$. Compute the remainder when $r \bmod 317 + c \cdot (r \bmod 313)$ is divided by $70168$.
13,708
graphs = [ Graph( let={ "_n": Const(317), "k": Const(1260), "upper": Const(149), "result": CountOverSet(set=SolutionsSet(var=Var("x"), condition=And(Geq(Var("x"), Const(1)), Leq(Var("x"), Ref("upper")), Divides(divisor=Var("x"), dividend=Ref("k")), Leq(Div(Ref...
NT
null
COUNT
sympy
MAX_DIVISOR
[ "MAX_DIVISOR" ]
9dada8
diophantine_product_count_v1
two_moduli
5
0
[ "MAX_DIVISOR" ]
1
0.008
2026-02-08T09:21:33.375481Z
{ "verified": true, "answer": 13708, "timestamp": "2026-02-08T09:21:33.383546Z" }
9b1fa8
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 147, "completion_tokens": 2874 }, "timestamp": "2026-02-14T03:53:45.074Z", "answer": 13708 }, ...
1
[ { "lemma": "DS2", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MAX_DIVISOR", "status": "ok" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "V7", "status": "no" } ]
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
c320c7
alg_poly4_min_v1_1218484723_5721
Find the minimum value of $27175824a^2b^2 - 16259040a^3b + 3755064a^4 + 6271344b^4 - 20904480ab^3$ over all ordered pairs $(a, b)$ of positive integers with $1 \le a \le 188$ and $1 \le b \le N$, where $N$ is the number of ordered pairs $(a_1, b_1)$ of positive integers with $1 \le a_1, b_1 \le 15$ and $41a_1^2 - 12a_1...
38,712
graphs = [ Graph( let={ "_n": Const(4), "result": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), Const(188)), Geq(Var("b"), Const(1)), Leq(Var("b"), CountOverSet(set=SolutionsSet(var=Tuple(elem...
ALG
null
COMPUTE
sympy
QF_PSD_COUNT
[ "QF_PSD_COUNT_LEQ" ]
009d0f
alg_poly4_min_v1
null
5
0
[ "QF_PSD_COUNT", "QF_PSD_COUNT_LEQ" ]
2
0.692
2026-02-25T07:17:56.984428Z
{ "verified": true, "answer": 38712, "timestamp": "2026-02-25T07:17:57.676709Z" }
517670
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 262, "completion_tokens": 32768 }, "timestamp": "2026-03-29T22:31:25.146Z", "answer": null }, { ...
1
[ { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "QF_PSD_COUNT_LEQ", "status": "ok" } ]
{ "lo": 1.53, "mid": 4.7, "hi": 7.23 }
3a14fa
comb_sum_binomial_row_v1_1978505735_3277
Let $n$ be the number of nonnegative integers $j$ such that $0 \leq j \leq 82208$ and $\binom{82208}{j}$ is odd. Define $r = 2^n$. Compute the remainder when $55696 - r$ is divided by $80047$. Find the value of this remainder.
70,207
graphs = [ Graph( let={ "n": CountOverSet(set=SolutionsSet(var=Var("j"), condition=And(Geq(Var("j"), Const(0)), Leq(Var("j"), Const(82208)), Eq(Mod(value=Binom(n=Const(82208), k=Var("j")), modulus=Const(2)), Const(1))), domain='nonnegative_integers')), "result": Pow(Const(2), Ref("n"...
ALG
COMB
SUM
sympy
V8
[ "V8" ]
86348e
comb_sum_binomial_row_v1
null
4
0
[ "V8" ]
1
0.002
2026-02-08T17:32:27.865395Z
{ "verified": true, "answer": 70207, "timestamp": "2026-02-08T17:32:27.867517Z" }
fedf48
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 118, "completion_tokens": 1196 }, "timestamp": "2026-02-18T03:45:57.085Z", "answer": 70207 }, ...
1
[ { "lemma": "K14", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "V8", "status": "ok" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -2.38, "mid": 1.74, "hi": 6.59 }
b35526
comb_factorial_compute_v1_1520064083_2554
Let $n$ be the number of positive integers $k$ such that $1 \leq k \leq 567$ and $81$ divides $k$. Let $r = 44121$. Compute the remainder when $r$ times $n!$ is divided by $64810$.
6,730
graphs = [ Graph( let={ "_n": Const(81), "n": CountOverSet(set=SolutionsSet(var=Var("k"), condition=And(Geq(Var("k"), Const(1)), Leq(Var("k"), Const(567)), Divides(divisor=Ref("_n"), dividend=Var("k"))), domain='positive_integers')), "result": Factorial(Ref("n")), ...
NT
null
COMPUTE
sympy
C2
[ "C2" ]
9685eb
comb_factorial_compute_v1
null
4
0
[ "C2" ]
1
0.002
2026-02-08T04:51:43.985574Z
{ "verified": true, "answer": 6730, "timestamp": "2026-02-08T04:51:43.987225Z" }
1672df
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 172, "completion_tokens": 1715 }, "timestamp": "2026-02-11T22:14:32.207Z", "answer": 6730 }, { "...
1
[ { "lemma": "C2", "status": "ok" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" } ]
{ "lo": -3.42, "mid": 1.86, "hi": 7.55 }
6c4c3d
comb_catalan_compute_v1_1431428450_601
Let $n$ be the number of elements in the Cartesian product of the sets $\{1, 2\}$ and $\{1, 2, 3, 4, 5\}$. Let $C_n$ denote the $n$-th Catalan number. Compute the remainder when $44121 \cdot C_n$ is divided by $58747$.
21,658
graphs = [ Graph( let={ "_n": Const(44121), "n": CountOverSet(set=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(2)), right=IntegerRange(start=Const(1), end=Const(5)))), "result": Catalan(Ref("n")), "Q": Mod(value=Mul(Ref("_n"), Ref("result")), m...
COMB
null
COMPUTE
sympy
COUNT_CARTESIAN
[ "COUNT_CARTESIAN" ]
409d7d
comb_catalan_compute_v1
null
3
0
[ "COUNT_CARTESIAN" ]
1
0.003
2026-02-08T13:33:15.951887Z
{ "verified": true, "answer": 21658, "timestamp": "2026-02-08T13:33:15.954501Z" }
989b6b
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 1, "correct": { "strict": false, "boxed": false, "relaxed": true }, "usage": { "prompt_tokens": 189, "completion_tokens": 10072 }, "timestamp": "2026-02-24T18:43:08.682Z", "answer": 9128 }, { ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "ok" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status"...
{ "lo": 1.15, "mid": 4.18, "hi": 6.61 }
3e01d0
alg_telescope_v1_1218484723_3861
Let $M$ be the value of $\sum_{k=0}^{1478} \left((k+1)^2 - k^2\right)$ modulo the number of integers $t$ in the interval $[7, 9928]$ that can be expressed as $t = 3a + 4b$ for some integers $a, b$ with $1 \leq a \leq 500$, $1 \leq b \leq 2107$. Compute $|M|.$
5,921
graphs = [ Graph( let={ "_n": Const(1478), "result": Mod(value=Summation(var="k", start=Const(0), end=Ref("_n"), expr=Sub(Pow(Sum(Var("k"), Const(1)), Const(2)), Pow(Var("k"), Const(2)))), modulus=CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), conditi...
ALG
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
alg_telescope_v1
null
4
0
[ "LIN_FORM" ]
1
0.081
2026-02-25T05:30:23.480997Z
{ "verified": true, "answer": 5921, "timestamp": "2026-02-25T05:30:23.561695Z" }
45e531
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 219, "completion_tokens": 19016 }, "timestamp": "2026-03-29T12:38:07.747Z", "answer": 5921 }, { "...
1
[ { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": 1.55, "mid": 4.7, "hi": 7.23 }
933cca
nt_count_coprime_v1_1915831931_3117
Let $k$ be the number of ordered pairs $(i,j)$ of positive integers such that $i + j = 40$, $1 \leq i \leq 39$, and $1 \leq j \leq 40$. Let $r$ be the number of positive integers $n$ such that $1 \leq n \leq 42436$ and $\gcd(n, k) = 1$. Compute the remainder when $44121 \cdot r$ is divided by $77267$.
14,411
graphs = [ Graph( let={ "_n": Const(40), "upper": Const(42436), "k": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=Eq(Sum(Var("i"), Var("j")), Ref("_n")), domain=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(39)), right=I...
NT
null
COUNT
sympy
COUNT_SUM_EQUALS
[ "COUNT_SUM_EQUALS" ]
75ab0f
nt_count_coprime_v1
null
4
0
[ "COUNT_SUM_EQUALS" ]
1
6.285
2026-02-08T17:22:12.688281Z
{ "verified": true, "answer": 14411, "timestamp": "2026-02-08T17:22:18.973637Z" }
e1bba9
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 150, "completion_tokens": 1653 }, "timestamp": "2026-02-18T01:10:42.031Z", "answer": 14411 }, ...
1
[ { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V8_SUM", "stat...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
f9264d
antilemma_sum_equals_v1_168721529_1440
Let $x$ be the number of ordered pairs $(i,j)$ of positive integers such that $i + j = 88$ and $1 \leq i \leq 87$, $1 \leq j \leq 87$. Compute the remainder when $33 - x$ is divided by $87410$.
87,356
graphs = [ Graph( let={ "x": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=Eq(Sum(Var("i"), Var("j")), Const(88)), domain=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(87)), right=IntegerRange(start=Const(1), end=Const(87))))), "Q": ...
COMB
GEOM
COMPUTE
sympy
COUNT_SUM_EQUALS
[ "COUNT_SUM_EQUALS" ]
75ab0f
antilemma_sum_equals_v1
null
2
0
[ "COUNT_SUM_EQUALS" ]
1
0.005
2026-02-08T13:42:03.287279Z
{ "verified": true, "answer": 87356, "timestamp": "2026-02-08T13:42:03.292087Z" }
bed420
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 178, "completion_tokens": 512 }, "timestamp": "2026-02-09T17:08:34.632Z", "answer": 87356 }, { "i...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no...
{ "lo": -9.23, "mid": -6.18, "hi": -4.06 }
231fc1
alg_poly_orbit_hensel_v1_601307018_1615
Let $N = (2a^5 + 5a^4 - 3a^3 + 4a^2 + 5a - 4) \bmod 2209$ and $M = (2N^5 + 5N^4 - 3N^3 + 4N^2 + 5N - 4) \bmod 2209$. Find the number of non-negative integers $a$ with $0 \le a \le 755477$ such that $M = a$ and $N \ne a$.
684
graphs = [ Graph( let={ "p1": Mod(value=Sum(Mul(Const(2), Pow(Var("a"), Const(5))), Mul(Const(5), Pow(Var("a"), Const(4))), Mul(Const(-3), Pow(Var("a"), Const(3))), Mul(Const(4), Pow(Var("a"), Const(2))), Mul(Const(5), Var("a")), Const(-4)), modulus=Const(2209)), "p2": Mod(value=Sum(...
ALG
null
COUNT
sympy
POLY_ORBIT_COUNT
[ "POLY_ORBIT_COUNT" ]
4ad965
alg_poly_orbit_hensel_v1
null
6
null
[ "POLY_ORBIT_COUNT" ]
1
0.088
2026-03-10T02:20:47.334246Z
{ "verified": true, "answer": 684, "timestamp": "2026-03-10T02:20:47.421768Z" }
4baf3c
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": 32768 }, "timestamp": "2026-03-29T02:55:22.394Z", "answer": 684 }, { "i...
1
[ { "lemma": "POLY_ORBIT_COUNT", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": 2.78, "mid": 4.94, "hi": 7.11 }
93df65
nt_count_phi_equals_v1_798873815_297
Let $F_n$ denote the $n$th Fibonacci number, defined by $F_1=1$, $F_2=1$, and $F_{n+2}=F_{n+1}+F_n$ for $n\ge 1$. Let $u$ be the number of integers $t$ for which there exist integers $a$ and $b$ such that $$1\le a\le 711,\quad 1\le b\le 1181,\quad 11\le t\le 4501,\quad t=3a+2b+6.$$ Consider all ordered pairs $(x,y)$ o...
308
graphs = [ Graph( let={ "_n": Const(2), "upper": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=711)), Geq(left=...
NT
null
COUNT
sympy
B3
[ "B3/COUNT_FIB_DIVISIBLE", "LIN_FORM" ]
6dd607
nt_count_phi_equals_v1
null
8
0
[ "B3", "COUNT_FIB_DIVISIBLE", "LIN_FORM" ]
3
0.284
2026-02-08T02:33:01.346015Z
{ "verified": true, "answer": 308, "timestamp": "2026-02-08T02:33:01.630325Z" }
c42a74
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 402, "completion_tokens": 32768 }, "timestamp": "2026-02-23T14:31:15.984Z", "answer": null }, { ...
0
[ { "lemma": "B3", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "ok_later" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "K5", "status": "no" }, { "le...
{ "lo": 4.97, "mid": 6.81, "hi": 9.77 }
7ed89b
geo_count_lattice_rect_v1_458359167_217
Compute the number of lattice points $(x, y)$ such that $0 \leq x \leq 99$ and $0 \leq y \leq 39$.
4,000
graphs = [ Graph( let={ "a": Const(99), "b": Const(39), "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
2026-02-08T03:04:46.881039Z
{ "verified": true, "answer": 4000, "timestamp": "2026-02-08T03:04:46.881454Z" }
741c49
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": 92 }, "timestamp": "2026-02-10T13:17:28.902Z", "answer": 4000 }, { "id"...
2
[]
{ "lo": -10, "mid": -7.79, "hi": -5.57 }
79b185
nt_num_divisors_compute_v1_1080341949_276
Let $n$ be the largest integer $k$ such that $3^k \leq 15$. Compute the number of positive divisors of $n$.
2
graphs = [ Graph( let={ "_n": Const(15), "n": MaxOverSet(set=SolutionsSet(var=Var("k"), condition=Leq(Pow(Const(3), Var("k")), Ref("_n")))), "result": NumDivisors(n=Ref("n")), }, goal=Ref("result"), ) ]
NT
null
COMPUTE
sympy
B3
[ "MAX_VAL" ]
1da621
nt_num_divisors_compute_v1
null
2
0
[ "B3", "MAX_VAL" ]
2
0.026
2026-02-08T13:22:04.664951Z
{ "verified": true, "answer": 2, "timestamp": "2026-02-08T13:22:04.691114Z" }
67c4ee
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 78, "completion_tokens": 239 }, "timestamp": "2026-02-15T14:45:10.562Z", "answer": 2 }, { ...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K16", "status": "same_pattern_wrong" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MAX_VAL", "status": "ok" }, { "lemma": "V1", "st...
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
169ed3
comb_bell_compute_v1_784195855_7839
Let $n = 8$ and define $r = B_n$, where $B_n$ denotes the $n$th Bell number. Let $d_k$ denote the $k$th decimal digit of $|r|$, with $d_0$ being the units digit. Define $s = \sum_{i=0}^{t} d_i (i+1)^2$, where $t$ is the number of digits in $|r|$ minus one. Let $e = \sum_{k=0}^{0} (-1)^k \binom{0}{k}$. Compute $s + 5664...
56,733
graphs = [ Graph( let={ "n2": Summation(var="k", start=Const(0), end=Const(7), expr=Mul(Pow(Const(-1), Var("k")), Binom(n=Const(7), k=Var("k")))), "c": Summation(var="k", start=Const(0), end=Ref("n2"), expr=Mul(Pow(Const(-1), Var("k")), Binom(n=Ref("n2"), k=Var("k")))), "...
COMB
null
COMPUTE
sympy
BINOMIAL_ALTERNATING
[ "BINOMIAL_ALTERNATING" ]
c21569
comb_bell_compute_v1
null
5
2
[ "BINOMIAL_ALTERNATING" ]
1
0.002
2026-02-08T09:33:18.086165Z
{ "verified": true, "answer": 56733, "timestamp": "2026-02-08T09:33:18.088190Z" }
4881ef
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": 428 }, "timestamp": "2026-02-24T11:30:23.673Z", "answer": 56733 }, { "i...
1
[ { "lemma": "BINOMIAL_ALTERNATING", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "V8_...
{ "lo": -3.84, "mid": -1.67, "hi": 1.32 }
ead76a
modular_inverse_v1_1918700295_1164
Let $a = 261$. Let $m$ be the largest prime number $n$ such that $2 \leq n \leq 347$. Define $\text{upper} = 346$. Let $S$ be the set of all integers $x$ such that $1 \leq x \leq \text{upper}$ and $$261x \equiv 1 \pmod{m}.$$ Compute the smallest element of $S$.
117
graphs = [ Graph( let={ "a": Const(261), "m": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Const(347)), IsPrime(Var("n"))))), "upper": Const(346), "result": MinOverSet(set=SolutionsSet(var=Var("x"), condition=A...
NT
null
EXTREMUM
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW" ]
dc3ad3
modular_inverse_v1
null
3
0
[ "MAX_PRIME_BELOW" ]
1
0.017
2026-02-08T05:36:38.397212Z
{ "verified": true, "answer": 117, "timestamp": "2026-02-08T05:36:38.414264Z" }
d3adb6
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 137, "completion_tokens": 780 }, "timestamp": "2026-02-12T11:04:04.388Z", "answer": 117 }, { ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "MOD_SUB", "status": "no" ...
{ "lo": -5.55, "mid": -3.01, "hi": 0.32 }
ba2ac6
antilemma_k3_v1_1742523217_1712
Let $n = 72452$. Define $x$ to be the sum of $\phi(d)$ over all positive divisors $d$ of $n$, where $\phi$ denotes Euler's totient function. Compute $x$.
72,452
graphs = [ Graph( let={ "_n": Const(72452), "x": SumOverDivisors(n=Ref(name='_n'), var='d', expr=EulerPhi(n=Var(name='d'))), }, goal=Ref("x"), ) ]
NT
COMB
COMPUTE
sympy
K3
[ "K3" ]
54c41e
antilemma_k3_v1
null
4
0
[ "K3" ]
1
0
2026-02-08T04:06:50.310959Z
{ "verified": true, "answer": 72452, "timestamp": "2026-02-08T04:06:50.311297Z" }
6fc637
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 158, "completion_tokens": 305 }, "timestamp": "2026-02-10T15:50:12.957Z", "answer": 72452 }, { "...
1
[ { "lemma": "K13", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "K3", "status": "ok" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "V7", "status": "no" } ]
{ "lo": -5.55, "mid": -3.01, "hi": 0.33 }
627d56
nt_sum_divisors_mod_v1_153355830_1045
Let $n = \sum_{d \mid 1680} \phi(d)$. Let $\sigma(n)$ denote the sum of all positive divisors of $n$, and let $M = 11593$. Compute the remainder when $25091 \cdot (\sigma(n) \bmod M)$ is divided by $98634$.
9,756
graphs = [ Graph( let={ "_n": Const(1680), "n": SumOverDivisors(n=Ref(name='_n'), var='d', expr=EulerPhi(n=Var(name='d'))), "M": Const(11593), "sigma": SumDivisors(n=Ref("n")), "result": Mod(value=Ref("sigma"), modulus=Ref("M")), "_c": ...
NT
null
COMPUTE
sympy
K3
[ "K3" ]
54c41e
nt_sum_divisors_mod_v1
null
4
0
[ "K3" ]
1
0.003
2026-02-08T04:22:08.848855Z
{ "verified": true, "answer": 9756, "timestamp": "2026-02-08T04:22:08.852325Z" }
8b52a1
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 181, "completion_tokens": 1076 }, "timestamp": "2026-02-10T16:12:30.896Z", "answer": 9756 }, { "...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "K3", "status": "ok" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no"...
{ "lo": -3.42, "mid": 1.86, "hi": 7.55 }
21942c
antilemma_sum_equals_v1_124444284_6737
Let $n$ be the number of ordered pairs $(i, j)$ such that $1 \le i \le 7$ and $1 \le j \le 9$. Determine the number of ordered pairs $(i, j)$ of positive integers satisfying $1 \le i \le 61$, $1 \le j \le 62$, and $i + j = n.$
61
graphs = [ Graph( let={ "_n": CountOverSet(set=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(7)), right=IntegerRange(start=Const(1), end=Const(9)))), "x": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=Eq(Sum(Var("i"), Var("j")), Ref(...
COMB
GEOM
COMPUTE
sympy
LIN_FORM
[ "COUNT_CARTESIAN/COUNT_SUM_EQUALS", "COUNT_SUM_EQUALS" ]
8bee9e
antilemma_sum_equals_v1
null
3
0
[ "COUNT_CARTESIAN", "COUNT_SUM_EQUALS", "LIN_FORM" ]
3
0.037
2026-02-08T08:36:19.283941Z
{ "verified": true, "answer": 61, "timestamp": "2026-02-08T08:36:19.321345Z" }
34e8f0
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 191, "completion_tokens": 1259 }, "timestamp": "2026-02-24T09:43:25.685Z", "answer": 61 }, { "id"...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "V7", ...
{ "lo": -3.84, "mid": -1.67, "hi": 1.32 }
625a96
comb_catalan_compute_v1_1978505735_3786
Let $S$ be the set of all integers $t$ with $28 \leq t \leq 67$ for which there exist integers $a$ and $b$ such that $1 \leq a \leq 2$, $1 \leq b \leq 5$, and $t = 15a + 6b + 7$. Let $n$ be the number of elements in $S$. Compute the $n$-th Catalan number.
16,796
graphs = [ Graph( let={ "n": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=2)), Geq(left=Var(name='b'), right=Const(value=1...
COMB
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
comb_catalan_compute_v1
null
3
0
[ "LIN_FORM" ]
1
0.002
2026-02-08T17:50:47.642628Z
{ "verified": true, "answer": 16796, "timestamp": "2026-02-08T17:50:47.644649Z" }
66c486
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": 671 }, "timestamp": "2026-02-18T09:14:41.394Z", "answer": 16796 }, {...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" ...
{ "lo": -5.64, "mid": -3.17, "hi": -0.81 }
f1b312_l
comb_count_partitions_v1_458359167_821
Let $n_2 = 0$ and define $$ t = \sum_{k=0}^{n_2} (-1)^k \binom{n_2}{k}. $$ Let $n_1 = \binom{18}{18} - 1$ and define $$ f = \sum_{k=0}^{n_1} (-1)^k \binom{n_1}{k}. $$ Let $n = 38 \cdot t \cdot f$. Compute the value of $p(n)$, the number of integer partitions of $n$.
1
COMB
null
COUNT
sympy
BINOMIAL_ALTERNATING
[ "BINOMIAL_ALTERNATING", "ZERO_BINOM_N" ]
ba7829
comb_count_partitions_v1
null
3
2
[ "BINOMIAL_ALTERNATING", "ZERO_BINOM_N" ]
2
0.001
2026-02-08T03:33:50.225377Z
{ "verified": false, "answer": 26015, "timestamp": "2026-02-08T03:33:50.226777Z" }
520556
f1b312
legacy_text
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 238, "completion_tokens": 665 }, "timestamp": "2026-02-10T14:49:07.892Z", "answer": 26015 }, { "i...
1
[ { "lemma": "BINOMIAL_ALTERNATING", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "V8"...
{ "lo": -2.46, "mid": 0.47, "hi": 3.59 }
42cc10
antilemma_cartesian_v1_2051736721_814
Let $n = 19$. Define $x$ to be the number of ordered pairs $(i, j)$ such that $1 \leq i \leq 30$ and $1 \leq j \leq 37$. Let $y$ be the number of ordered pairs $(i, j)$ of positive integers satisfying $i + j = n$ with $1 \leq i \leq 17$ and $1 \leq j \leq 17$. Compute $x + \left(2^{x \bmod y} \bmod 75313\right)$.
1,174
graphs = [ Graph( let={ "_n": Const(19), "x": CountOverSet(set=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(30)), right=IntegerRange(start=Const(1), end=Const(37)))), "Q": Sum(Ref("x"), Mod(value=Pow(Const(2), Mod(value=Ref("x"), modulus=CountOverSet(set=S...
COMB
GEOM
COMPUTE
sympy
COUNT_SUM_EQUALS
[ "COUNT_SUM_EQUALS", "COUNT_CARTESIAN" ]
0c839d
antilemma_cartesian_v1
mod_exp
3
0
[ "COUNT_CARTESIAN", "COUNT_SUM_EQUALS" ]
2
0.016
2026-02-08T15:41:23.220291Z
{ "verified": true, "answer": 1174, "timestamp": "2026-02-08T15:41:23.235902Z" }
6159b2
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": 631 }, "timestamp": "2026-02-24T18:19:31.301Z", "answer": 1174 }, { "i...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "V8", ...
{ "lo": -2.4, "mid": 1.57, "hi": 5.75 }
a508de
nt_sum_gcd_range_mod_v1_655260480_4313
Let $N = 7750$ and let $k$ be the number of positive integers $n$ such that $1 \leq n \leq 1254$, $6$ divides $n$, and $\gcd(n, 35) = 1$. Let $s = \sum_{n_1=1}^{N} \gcd(n_1, k)$. Compute the remainder when $s$ is divided by $11173$.
9,469
graphs = [ Graph( let={ "N": Const(7750), "k": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Const(1254)), Divides(divisor=Const(6), dividend=Var("n")), Eq(GCD(a=Var("n"), b=Const(35)), Const(1))))), "M": Const(11173), ...
NT
null
COMPUTE
sympy
C5
[ "C5" ]
1d9668
nt_sum_gcd_range_mod_v1
null
5
0
[ "C5" ]
1
0.372
2026-02-08T17:52:45.686684Z
{ "verified": true, "answer": 9469, "timestamp": "2026-02-08T17:52:46.058265Z" }
79b4da
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 138, "completion_tokens": 2873 }, "timestamp": "2026-02-18T09:31:07.875Z", "answer": 9469 }, {...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "C5", "status": "ok" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "V3", "status": "no" }, { "lemma": "V8", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
3f6df2_l
comb_count_surjections_v1_784195855_46
Let $n = 7$ and $k = 5$. Define $S$ to be the set of all ordered pairs $(x_1, x_2)$ of positive integers such that $x_1$ is odd, $x_2$ is odd, and $x_1 + x_2 = 68 \times 76$. Let $A$ be the number of elements in $S$. Let $B = k! \cdot S(n, k)$, where $S(n, k)$ denotes the Stirling number of the second kind. Let $Q$ be ...
2,681
COMB
null
COUNT
sympy
COUNT_CARTESIAN
[ "COUNT_CARTESIAN/COMB1" ]
af38b8
comb_count_surjections_v1
digits_weighted_mod
6
0
[ "COMB1", "COUNT_CARTESIAN" ]
2
0.006
2026-02-08T02:55:23.673631Z
{ "verified": false, "answer": 2777, "timestamp": "2026-02-08T02:55:23.679397Z" }
3a438e
3f6df2
legacy_text
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 302, "completion_tokens": 1836 }, "timestamp": "2026-02-10T11:54:12.550Z", "answer": 2681 }, { ...
1
[ { "lemma": "COMB1", "status": "ok_later" }, { "lemma": "COUNT_CARTESIAN", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "...
{ "lo": 4.05, "mid": 5.31, "hi": 6.62 }
8b9563
comb_factorial_compute_v1_48377204_804
Let $n_2 = \sum_{k=0}^{4} (-1)^k \binom{4}{k}$ and $c = \sum_{k_1=0}^{n_2} (-1)^{k_1} \binom{n_2}{k_1}$. Let $n_1 = 0$ and $w = \sum_{k_2=0}^{n_1} (-1)^{k_2} \binom{n_1}{k_2}$. Define $n = 8w$. Compute $n!$.
40,320
graphs = [ Graph( let={ "n2": Summation(var="k", start=Const(0), end=Const(4), expr=Mul(Pow(Const(-1), Var("k")), Binom(n=Const(4), k=Var("k")))), "c": Summation(var="k1", start=Const(0), end=Ref("n2"), expr=Mul(Pow(Const(-1), Var("k1")), Binom(n=Ref("n2"), k=Var("k1")))), ...
COMB
null
COMPUTE
sympy
BINOMIAL_ALTERNATING
[ "BINOMIAL_ALTERNATING" ]
c21569
comb_factorial_compute_v1
null
3
2
[ "BINOMIAL_ALTERNATING" ]
1
0.001
2026-02-08T15:42:43.661457Z
{ "verified": true, "answer": 40320, "timestamp": "2026-02-08T15:42:43.662901Z" }
afa25a
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 235, "completion_tokens": 549 }, "timestamp": "2026-02-24T18:22:07.448Z", "answer": 40320 }, { "...
2
[ { "lemma": "BINOMIAL_ALTERNATING", "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": "...
{ "lo": -10, "mid": -7.42, "hi": -4.85 }
6aa6e4
comb_factorial_compute_v1_1116507919_113
Let $m = 2$ and $n = 2$. Let $S$ be the set of prime numbers $p$ such that $m \leq p \leq 17$. Define $N$ to be the largest prime number $p$ satisfying $n \leq p \leq |S|$. Compute $N!$.
5,040
graphs = [ Graph( let={ "_m": Const(2), "_n": Const(2), "n": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Ref("_n")), Leq(Var("n"), CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Ref("_m")), Leq(Var("n"), Const(17)), IsPri...
NT
null
COMPUTE
sympy
COUNT_PRIMES
[ "COUNT_PRIMES/MAX_PRIME_BELOW" ]
d51604
comb_factorial_compute_v1
null
4
0
[ "COUNT_PRIMES", "MAX_PRIME_BELOW" ]
2
0.002
2026-02-08T02:26:19.027188Z
{ "verified": true, "answer": 5040, "timestamp": "2026-02-08T02:26:19.028693Z" }
5cd663
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 187, "completion_tokens": 460 }, "timestamp": "2026-02-08T19:04:44.685Z", "answer": 5040 }, { "id...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "ok" }, { "lemma": "K15", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok_later" }, { "lemma": "MOD_FACTORIAL", "status": "no"...
{ "lo": -10, "mid": -7.08, "hi": -5.18 }
f4319a
alg_poly3_count_v1_601307018_8964
Let $A = \left|\left\{ v \in [41, 8036] \mid \exists\, a,b \in \{1,2,\ldots,14\} \text{ such that } 16a^2 + 8ab + 17b^2 = v \right\}\right|$. Find the number of positive integers $a, b$ with $1 \leq a \leq A$ and $1 \leq b \leq 188$ such that $8b^3 = 24897088$.
188
graphs = [ Graph( let={ "_n": Const(8036), "result": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), CountOverSet(set=SolutionsSet(var=Var("v"), condition=And(Geq(Var("v"), Const(41)), Leq(Var("v"), Ref("_n"...
ALG
null
COUNT
sympy
POLY4_MIN
[ "QF_PSD_DISTINCT" ]
a8f9cb
alg_poly3_count_v1
null
5
0
[ "POLY4_MIN", "QF_PSD_DISTINCT" ]
2
5.891
2026-03-10T09:23:53.626068Z
{ "verified": true, "answer": 188, "timestamp": "2026-03-10T09:23:59.517298Z" }
fa3091
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 230, "completion_tokens": 10275 }, "timestamp": "2026-04-19T10:15:32.973Z", "answer": 188 }, { "...
1
[ { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "QF_PSD_DISTINCT", "status": "ok" } ]
{ "lo": -5.34, "mid": 1.1, "hi": 7.53 }
99ff3b
algebra_quadratic_discriminant_v1_397696148_57
Let $a = 2$, $b = 4$, and $c = 2$. Let $N$ be the number of ordered pairs $(p, q)$ of positive integers such that $pq = 24$, $\gcd(p, q) = 1$, and $p < q$. Compute $b^N - 4ac$. Find the value of this expression.
0
graphs = [ Graph( let={ "a": Const(2), "b": Const(4), "c": Const(2), "result": Sub(Pow(Ref("b"), CountOverSet(set=SolutionsSet(var=Var("p"), condition=And(IsPositive(arg=Var(name='p')), Exists(var=Var(name='q'), condition=And(Eq(left=Mul(Var(name='p'), Var(nam...
NT
null
COMPUTE
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS" ]
2bb3aa
algebra_quadratic_discriminant_v1
null
3
0
[ "COPRIME_PAIRS" ]
1
0.002
2026-02-08T11:16:49.942484Z
{ "verified": true, "answer": 0, "timestamp": "2026-02-08T11:16:49.944176Z" }
cad2f3
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 139, "completion_tokens": 329 }, "timestamp": "2026-02-15T21:10:32.012Z", "answer": 48 }, { "id": 11, ...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "V8_SUM", "status": "no" }, { "lemma": "VAL_SUM_EQ", ...
{ "lo": -6.96, "mid": -4.56, "hi": -1.46 }
612707
nt_count_phi_equals_v1_865884756_6793
Let $u$ be the number of prime numbers $n$ such that $2 \leq n \leq 15877$. Let $k = 130$. Compute the number of positive integers $n_1$ such that $1 \leq n_1 \leq u$ and $\phi(n_1) = k$.
2
graphs = [ Graph( let={ "upper": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Const(15877)), IsPrime(Var("n"))))), "k": Const(130), "result": CountOverSet(set=SolutionsSet(var=Var("n1"), condition=And(Geq(Var("n1"), Cons...
NT
null
COUNT
sympy
K14
[ "COUNT_PRIMES" ]
07c874
nt_count_phi_equals_v1
null
6
0
[ "COUNT_PRIMES", "K14" ]
2
2.321
2026-02-08T19:23:26.266087Z
{ "verified": true, "answer": 2, "timestamp": "2026-02-08T19:23:28.587478Z" }
f557d8
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 114, "completion_tokens": 4650 }, "timestamp": "2026-02-18T22:15:18.548Z", "answer": 2 }, { ...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "ok" }, { "lemma": "L3b", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V7", "stat...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
5aed50
modular_product_range_v1_601307018_4822
Let $M = \prod_{i=\sum_{k=1}^{3} \varphi(k) \cdot \lfloor \frac{3}{k} \rfloor}^{117} i$. Find the remainder when $M$ is divided by $11369€.
2,950
graphs = [ Graph( let={ "_n": Const(117), "prod": MathProduct(expr=Var("i"), var="i", start=Summation(var="k", start=Const(1), end=Const(3), expr=Mul(EulerPhi(n=Var("k")), Floor(Div(Const(3), Var("k"))))), end=Ref("_n")), "result": Mod(value=Ref("prod"), modulus=Const(113...
NT
null
COMPUTE
sympy
SUM_AP
[ "K2" ]
6897ab
modular_product_range_v1
null
5
0
[ "K2", "SUM_AP" ]
2
0.1
2026-03-10T05:31:13.707760Z
{ "verified": true, "answer": 2950, "timestamp": "2026-03-10T05:31:13.808175Z" }
547faa
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 167, "completion_tokens": 32768 }, "timestamp": "2026-03-29T13:32:12.498Z", "answer": null }, { ...
1
[ { "lemma": "K18", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "V3", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": 3.34, "mid": 5.77, "hi": 8.89 }
9bae88
diophantine_fbi2_min_v1_1978505735_2311
Let $k$ be the number of positive integers between $1$ and $18432$ inclusive that are divisible by $256$. Let $S$ be the set of all ordered pairs $(x,y)$ of positive integers such that $xy = 9$. Define $s_{\text{min}}$ to be the minimum value of $x + y$ over all pairs $(x,y) \in S$. Let $d$ be a positive integer satisf...
115
graphs = [ Graph( let={ "_n": Const(5), "k": CountOverSet(set=SolutionsSet(var=Var("k1"), condition=And(Geq(Var("k1"), Const(1)), Leq(Var("k1"), Const(18432)), Divides(divisor=Const(256), dividend=Var("k1"))), domain='positive_integers')), "upper": Const(82), ...
NT
null
EXTREMUM
sympy
B3
[ "B3", "C2" ]
83578c
diophantine_fbi2_min_v1
null
5
0
[ "B3", "C2" ]
2
0.016
2026-02-08T16:49:32.175790Z
{ "verified": true, "answer": 115, "timestamp": "2026-02-08T16:49:32.192246Z" }
4caf62
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 237, "completion_tokens": 359 }, "timestamp": "2026-02-16T07:53:58.146Z", "answer": 113 }, { "id": 11, ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "C2", "status": "ok" }, { "lemma": "K5", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": ...
{ "lo": -8.26, "mid": -5.01, "hi": -1.76 }
157863
alg_qf_psd_count_v1_1218484723_2227
Let $A$ be the number of positive integers $n \leq 737$ such that $\gcd(n, 12) = 1$, and let $B$ be the minimum value of $x + y$ over all pairs of positive integers $(x, y)$ with $xy = 15129$. Find the number of ordered pairs $(a, b)$ of positive integers with $1 \le a \le A$ and $1 \le b \le B$ such that $16b^2 + 5a^2...
10
graphs = [ Graph( let={ "_m": Const(12), "_n": Const(2), "result": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)...
NT
null
COUNT
sympy
ONE_PHI_1
[ "B3", "C4" ]
8d18b3
alg_qf_psd_count_v1
null
5
0
[ "B3", "C4", "ONE_PHI_1" ]
3
1.016
2026-02-25T04:00:23.393228Z
{ "verified": true, "answer": 10, "timestamp": "2026-02-25T04:00:24.408784Z" }
e04713
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 232, "completion_tokens": 10534 }, "timestamp": "2026-03-29T03:40:10.945Z", "answer": 10 }, { "id...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "C4", "status": "ok" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lem...
{ "lo": 3.81, "mid": 6.33, "hi": 9.49 }