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f6da29
nt_count_digit_sum_v1_124444284_506
Let $S$ be the set of all ordered pairs $(x,y)$ of positive integers such that $x + y = 10$. Define $P$ to be the maximum value of $xy$ over all such pairs. Let $N$ be the number of positive integers $n$ such that $1 \le n \le 17956$ and the sum of the digits of $n$ is equal to $P$. Compute $N$.
618
graphs = [ Graph( let={ "upper": Const(17956), "target_sum": 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(10)))), expr=Mul(Var("x"), V...
NT
null
COUNT
sympy
B1
[ "B1" ]
5b950e
nt_count_digit_sum_v1
null
4
0
[ "B1" ]
1
0.642
2026-02-08T03:20:10.234025Z
{ "verified": true, "answer": 618, "timestamp": "2026-02-08T03:20:10.876180Z" }
f7ec5e
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 206, "completion_tokens": 5241 }, "timestamp": "2026-02-09T02:46:31.926Z", "answer": 618 }, { "i...
1
[ { "lemma": "B1", "status": "ok" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" } ]
{ "lo": -3.49, "mid": 1.84, "hi": 7.55 }
57c4c9
comb_binomial_compute_v1_458359167_1353
Let $S$ be the set of all ordered pairs $(x,y)$ of positive integers such that $x + y$ equals the number of integers $t$ in the interval $5 \leq t \leq 14$ for which there exist integers $a$ and $b$ satisfying $1 \leq a \leq 4$, $1 \leq b \leq 2$, and $t = 2a + 3b$. Let $n$ be the maximum value of $xy$ over all such pa...
11,440
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")), CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a')...
ALG
COMB
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM/B1" ]
b32639
comb_binomial_compute_v1
null
4
0
[ "B1", "LIN_FORM" ]
2
0.003
2026-02-08T04:33:37.332544Z
{ "verified": true, "answer": 11440, "timestamp": "2026-02-08T04:33:37.335114Z" }
fa0816
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 241, "completion_tokens": 1261 }, "timestamp": "2026-02-24T01:00:23.892Z", "answer": 11440 }, { "...
1
[ { "lemma": "B1", "status": "ok_later" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": -2.46, "mid": 0.47, "hi": 3.59 }
35ef42
nt_count_coprime_v1_1918700295_2657
Let $n = 9$ and $u = 25921$. Define $k = \sum_{d=1}^{9} \varphi(d) \left\lfloor \frac{n}{d} \right\rfloor$. Determine the number of positive integers $m$ such that $1 \leq m \leq u$ and $\gcd(m, k) = 1$.
13,825
graphs = [ Graph( let={ "_n": Const(9), "upper": Const(25921), "k": Summation(var="k", start=Const(1), end=Const(9), expr=Mul(EulerPhi(n=Var("k")), Floor(Div(Ref("_n"), Var("k"))))), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("...
NT
null
COUNT
sympy
K2
[ "K2" ]
6897ab
nt_count_coprime_v1
null
5
0
[ "K2" ]
1
2.065
2026-02-08T08:09:03.878201Z
{ "verified": true, "answer": 13825, "timestamp": "2026-02-08T08:09:05.942817Z" }
141672
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": 1258 }, "timestamp": "2026-02-13T14:56:58.105Z", "answer": 13825 }, ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" ...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
cc6833
diophantine_fbi2_min_v1_458359167_4666
Let $k = 16$ and $U = 26$. Let $D$ be the set of integers $d$ such that $5 \leq d \leq U$, $d$ divides $k$, and $\frac{k}{d} \geq 2$. Compute the minimum value of $D$.
8
graphs = [ Graph( let={ "_n": Const(2), "k": Const(16), "upper": Const(26), "result": MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(5)), Leq(Var("d"), Ref("upper")), Divides(divisor=Var("d"), dividend=Ref("k")), Geq(Div(Ref("k"), ...
NT
null
EXTREMUM
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS" ]
2bb3aa
diophantine_fbi2_min_v1
null
3
0
[ "COPRIME_PAIRS" ]
1
0.007
2026-02-08T11:58:06.261253Z
{ "verified": true, "answer": 8, "timestamp": "2026-02-08T11:58:06.268374Z" }
351c9a
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 124, "completion_tokens": 389 }, "timestamp": "2026-02-16T03:28:59.341Z", "answer": 8 }, { "id": 11, "...
2
[ { "lemma": "C2", "status": "no" }, { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "K13", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "V7", "status": "no" } ]
{ "lo": -10, "mid": -7.71, "hi": -5.43 }
35d8d3
geo_count_lattice_rect_v1_124444284_2228
Let $a = 200$ and $b = 141$. Define a lattice point as a point in the plane with integer coordinates. Consider the rectangle with vertices at $(0,0)$, $(a,0)$, $(0,b)$, and $(a,b)$, including its boundary. Compute the number of lattice points contained in this rectangle.
28,542
graphs = [ Graph( let={ "a": Const(200), "b": Const(141), "result": LatticePointsRect(a=Ref(name='a'), b=Ref(name='b')), }, goal=Ref("result"), ) ]
GEOM
null
COUNT
sympy
[]
geo_count_lattice_rect_v1
null
4
0
null
null
0.002
2026-02-08T04:31:43.247591Z
{ "verified": true, "answer": 28542, "timestamp": "2026-02-08T04:31:43.249255Z" }
483249
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 182, "completion_tokens": 286 }, "timestamp": "2026-02-24T00:55:53.015Z", "answer": 28542 }, { "i...
1
[]
{ "lo": -5.97, "mid": -3.96, "hi": -1.93 }
e02592
alg_poly_orbit_count_v1_1218484723_4310
Let $T_a$ be the result of iterating the function $f(x) = x^2 - 41 \bmod 97$ five times starting from $a$, so that $N = f(a)$, $M = f(N)$, $R = f(M)$, $S = f(R)$, $T = f(S)$. Find the number of non-negative integers $a$ with $0 \le a \le 14161$ such that $T = a$, but $N \ne a$, $M \ne a$, $R \ne a$, and $S \ne a$.
730
graphs = [ Graph( let={ "p1": Mod(value=Sum(Pow(Var("a"), Const(2)), Const(-41)), modulus=Const(97)), "p2": Mod(value=Sum(Pow(Ref("p1"), Const(2)), Const(-41)), modulus=Const(97)), "p3": Mod(value=Sum(Pow(Ref("p2"), Const(2)), Const(-41)), modulus=Const(97)), ...
ALG
null
COUNT
sympy
POLY_ORBIT_COUNT
[ "POLY_ORBIT_COUNT" ]
4ad965
alg_poly_orbit_count_v1
null
6
null
[ "POLY_ORBIT_COUNT" ]
1
0.018
2026-02-25T05:56:17.636760Z
{ "verified": true, "answer": 730, "timestamp": "2026-02-25T05:56:17.655071Z" }
544b88
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 239, "completion_tokens": 20065 }, "timestamp": "2026-03-29T14:57:04.847Z", "answer": 730 }, { "i...
1
[ { "lemma": "POLY_ORBIT_COUNT", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": 3.81, "mid": 6.33, "hi": 9.49 }
350ca1
geo_count_lattice_rect_v1_1520064083_5343
Let $a = 70$ and $b = 125$. Define $R$ as the rectangle in the coordinate plane with vertices at $(0,0)$, $(70,0)$, $(0,125)$, and $(70,125)$. Compute the number of lattice points contained in $R$, including all boundary and interior points.
8,946
graphs = [ Graph( let={ "a": Const(70), "b": Const(125), "result": LatticePointsRect(a=Ref(name='a'), b=Ref(name='b')), }, goal=Ref("result"), ) ]
GEOM
null
COUNT
sympy
[]
geo_count_lattice_rect_v1
null
3
0
null
null
0.001
2026-02-08T06:44:53.442805Z
{ "verified": true, "answer": 8946, "timestamp": "2026-02-08T06:44:53.443334Z" }
b220f8
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": 270 }, "timestamp": "2026-02-24T06:57:19.059Z", "answer": 8946 }, { "id...
1
[]
{ "lo": -4.93, "mid": -2.91, "hi": -0.71 }
12f1d5
alg_poly3_min_v1_601307018_4892
Let $Q$ be the minimum value of $$ 7375a^3 + \left|\left\{ (a_1, b_1) \in \mathbb{Z}^2 : 1 \leq a_1, b_1 \leq 40,\ -12a_1b_1 + 41a_1^2 + 20b_1^2 \leq 63504 \right\}\right| \cdot b^3 + 13275a^2b + 7965ab^2 $$ over all ordered pairs $(a, b)$ of positive integers with $1 \leq a, b \leq 356$. Find $Q$.
30,149
graphs = [ Graph( let={ "_n": Const(7375), "result": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), Const(356)), Geq(Var("b"), Const(1)), Leq(Var("b"), Const(356)))), expr=Sum(Mul(Ref("_n"), Po...
ALG
null
COMPUTE
sympy
QF_PSD_COUNT_LEQ
[ "QF_PSD_COUNT_LEQ" ]
009d0f
alg_poly3_min_v1
null
4
0
[ "QF_PSD_COUNT_LEQ" ]
1
1.04
2026-03-10T05:36:58.305229Z
{ "verified": true, "answer": 30149, "timestamp": "2026-03-10T05:36:59.345568Z" }
4888d6
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 263, "completion_tokens": 12429 }, "timestamp": "2026-03-29T13:48:57.032Z", "answer": null }, { ...
0
[ { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "QF_PSD_COUNT_LEQ", "status": "ok" } ]
{ "lo": 3.34, "mid": 5.77, "hi": 8.89 }
198ef4
geo_count_lattice_rect_v1_1978505735_6690
Let $a = 21$ and $b = 51$. Compute the number of lattice points in the rectangle $[0, a] \times [0, b]$, including the boundary.
1,144
graphs = [ Graph( let={ "a": Const(21), "b": Const(51), "result": LatticePointsRect(a=Ref(name='a'), b=Ref(name='b')), }, goal=Ref("result"), ) ]
GEOM
null
COUNT
sympy
[]
geo_count_lattice_rect_v1
null
2
0
null
null
0.004
2026-02-08T19:44:59.312383Z
{ "verified": true, "answer": 1144, "timestamp": "2026-02-08T19:44:59.316046Z" }
02f2b6
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 88, "completion_tokens": 467 }, "timestamp": "2026-02-25T01:49:33.969Z", "answer": 1144 }, { ...
1
[]
{ "lo": -8.48, "mid": -5.37, "hi": -3.03 }
a62d54
diophantine_fbi2_count_v1_1520064083_4403
Let $k = 420$. Let $d$ be a positive integer such that $4 \le d \le 154$, $d$ divides $k$, $\frac{k}{d} \ge 6$, and $\frac{k}{d} \le s$, where $s$ is the minimum value of $x + y$ over all ordered pairs $(x, y)$ of positive integers satisfying $xy = 6084$. Let $r$ be the number of such integers $d$. Compute $\sum_{i=1}^...
50
graphs = [ Graph( let={ "k": Const(420), "result": CountOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(4)), Leq(Var("d"), Const(154)), Divides(divisor=Var("d"), dividend=Ref("k")), Geq(Div(Ref("k"), Var("d")), Const(6)), Leq(Div(Ref("k"), Var("d")), MinOverS...
NT
null
COUNT
sympy
ONE_PHI_2
[ "B3" ]
0cd20d
diophantine_fbi2_count_v1
null
6
0
[ "B3", "ONE_PHI_2" ]
2
0.076
2026-02-08T06:15:43.509274Z
{ "verified": true, "answer": 50, "timestamp": "2026-02-08T06:15:43.584789Z" }
6ed239
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": 1354 }, "timestamp": "2026-02-12T22:05:09.499Z", "answer": 50 }, { ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "K13", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V1", "status": "no" } ]
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
6ac775
modular_modexp_compute_v1_601307018_6837
Let $e = \sum_{k=0}^{5} 6^{k}$. Compute $17^{e} \bmod 16641$.
4,121
graphs = [ Graph( let={ "a": Const(17), "e": Summation(var="k", start=Const(0), end=Const(5), expr=Pow(Const(6), Var("k"))), "m": Const(16641), "result": ModExp(base=Ref("a"), exp=Ref("e"), mod=Ref("m")), }, goal=Ref("result"), ) ]
NT
null
COMPUTE
sympy
SUM_GEOM
[ "SUM_GEOM" ]
04214c
modular_modexp_compute_v1
null
3
0
[ "SUM_GEOM" ]
1
0.001
2026-03-10T07:28:28.472203Z
{ "verified": true, "answer": 4121, "timestamp": "2026-03-10T07:28:28.473539Z" }
b616b8
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 142, "completion_tokens": 3976 }, "timestamp": "2026-04-19T05:26:27.630Z", "answer": 4121 }, { "...
1
[ { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "SUM_GEOM", "status": "ok" }, { "lemma": "V1", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -5.34, "mid": 1.1, "hi": 7.53 }
3ccd01
antilemma_sum_equals_v1_153355830_2926
Let $n = 101$. Consider the set of all ordered pairs $(i, j)$ of positive integers such that $1 \le i \le 99$, $1 \le j \le 99$, and $i + j = n$. Let $x$ be the number of such ordered pairs. Find the remainder when $12844x$ is divided by 81333.
38,717
graphs = [ Graph( let={ "_n": Const(101), "x": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=Eq(Sum(Var("i"), Var("j")), Ref("_n")), domain=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(99)), right=IntegerRange(start=Const(1), end=Co...
COMB
GEOM
COMPUTE
sympy
COUNT_SUM_EQUALS
[ "COUNT_SUM_EQUALS" ]
75ab0f
antilemma_sum_equals_v1
null
2
0
[ "COUNT_SUM_EQUALS" ]
1
0.004
2026-02-08T07:28:50.038476Z
{ "verified": true, "answer": 38717, "timestamp": "2026-02-08T07:28:50.042374Z" }
9542a9
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 190, "completion_tokens": 1145 }, "timestamp": "2026-02-24T08:05:33.474Z", "answer": 38717 }, { "...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status":...
{ "lo": -2.35, "mid": 1.22, "hi": 4.84 }
37ff37
lin_form_endings_v1_677425708_2488
Let $S$ be the set of all integers $t$ such that $63 \leq t \leq 2133$ and there exist positive integers $a$ and $b$ with $1 \leq a \leq 29$, $1 \leq b \leq 46$, and $t = 45a + 18b$. Let $c$ be the number of elements in $S$. Compute the remainder when $19767 \cdot c$ is divided by $79151$.
54,653
graphs = [ Graph( let={ "_inner_result": 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=29)), Geq(left=Var(name='b'), right=...
COMB
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
lin_form_endings_v1
null
4
null
[ "LIN_FORM" ]
1
0.001
2026-02-08T05:04:43.302188Z
{ "verified": true, "answer": 54653, "timestamp": "2026-02-08T05:04:43.303353Z" }
2b1f41
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": 7972 }, "timestamp": "2026-02-24T02:40:59.693Z", "answer": 54653 }, { "...
1
[ { "lemma": "COUNT_CARTESIAN", "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": ...
{ "lo": -2.46, "mid": 0.47, "hi": 3.59 }
e640d0
comb_count_surjections_v1_601307018_3690
Let $f(x) = x^3 - 2x^2 + 2x + 2$. For each integer $a$ with $0 \le a \le 9408$, define $N = f(a) \bmod 9409$, $M = f(N) \bmod 9409$, $R = f(M) \bmod 9409$, and $S = f(R) \bmod 9409$. Let $n$ be the number of such $a$ for which $S = a$, but $N \ne a$, $M \ne a$, and $R \ne a$. Compute $6 \cdot S(n, 3)$, where $S(n, 3)$ ...
36
graphs = [ Graph( let={ "n": CountOverSet(set=SolutionsSet(var=Var("a"), condition=And(Geq(Var("a"), Const(0)), Leq(Var("a"), Const(9408)), Eq(Ref("_po_p4"), Var("a")), Neq(Ref("_po_p1"), Var("a")), Neq(Ref("_po_p2"), Var("a")), Neq(Ref("_po_p3"), Var("a"))))), "k": Const(3), ...
COMB
null
COUNT
sympy
POLY_ORBIT_LEGENDRE
[ "POLY_ORBIT_HENSEL" ]
53b6eb
comb_count_surjections_v1
null
7
0
[ "POLY_ORBIT_HENSEL", "POLY_ORBIT_LEGENDRE" ]
2
0.095
2026-03-10T04:17:49.023040Z
{ "verified": true, "answer": 36, "timestamp": "2026-03-10T04:17:49.118092Z" }
533e3d
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 1, "correct": { "strict": false, "boxed": false, "relaxed": true }, "usage": { "prompt_tokens": 275, "completion_tokens": 32768 }, "timestamp": "2026-03-29T09:40:15.283Z", "answer": null }, { ...
0
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "POLY_ORBIT_HENSEL", "status": "ok" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "statu...
{ "lo": 3.34, "mid": 5.77, "hi": 8.89 }
a1074b
nt_sum_divisors_compute_v1_1520064083_2422
Let $n=67161$. Let $Q$ be the sum of all positive divisors of $n$. Find the value of $Q$.
91,264
graphs = [ Graph( let={ "n": Const(67161), "result": SumDivisors(n=Ref("n")), }, goal=Ref("result"), ) ]
NT
null
COMPUTE
sympy
C4
[ "C4/ONE_PHI_2/BIG_OMEGA_ZERO", "LIN_FORM/MOBIUS_SUM" ]
6b9a6e
nt_sum_divisors_compute_v1
null
3
0
[ "BIG_OMEGA_ZERO", "C4", "LIN_FORM", "MOBIUS_SUM", "ONE_PHI_2" ]
5
0.006
2026-02-08T04:43:31.175158Z
{ "verified": true, "answer": 91264, "timestamp": "2026-02-08T04:43:31.180980Z" }
bba96a
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 141, "completion_tokens": 1125 }, "timestamp": "2026-02-11T21:50:14.789Z", "answer": 91264 }, { ...
1
[ { "lemma": "BIG_OMEGA_ZERO", "status": "ok_later" }, { "lemma": "C2", "status": "no" }, { "lemma": "C4", "status": "ok" }, { "lemma": "DS2", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "l...
{ "lo": -3.42, "mid": 1.86, "hi": 7.55 }
678124
lin_form_endings_v1_48377204_914
Let $a = 56$ and $b = 24$. Define $g$ to be the greatest common divisor of $a$ and $b$, and let $r = \left\lfloor \frac{56}{g} \right\rfloor$. Let $k = 11796$ and $s = k \cdot r$. Compute the remainder when $s$ is divided by $60607$.
21,965
graphs = [ Graph( let={ "a_coeff": Const(56), "b_coeff": Const(24), "_inner_result": Floor(Div(Const(56), GCD(a=Ref("a_coeff"), b=Ref("b_coeff")))), "_scale_k": Const(11796), "_scaled": Mul(Ref("_scale_k"), Ref("_inner_result")), "_mod_...
COMB
NT
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
lin_form_endings_v1
null
2
null
[ "LIN_FORM" ]
1
0.001
2026-02-08T15:45:34.550234Z
{ "verified": true, "answer": 21965, "timestamp": "2026-02-08T15:45:34.551472Z" }
48c555
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 151, "completion_tokens": 305 }, "timestamp": "2026-02-16T06:20:21.656Z", "answer": 21965 }, { "id": 11, ...
2
[ { "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", "status": "no" } ]
{ "lo": -10, "mid": -7.27, "hi": -4.54 }
b02fd9
antilemma_k2_v1_865884756_4124
Compute $$\sum_{k=1}^{100} \phi(k) \left\lfloor \frac{100}{k} \right\rfloor.$$
5,050
graphs = [ Graph( let={ "_n": Const(100), "x": Summation(var="k", start=Pow(Const(45), Sub(Const(30), Const(30))), end=Ref("_n"), expr=Mul(EulerPhi(n=Var("k")), Floor(Div(Const(100), Var("k"))))), }, goal=Ref("x"), ) ]
NT
COMB
COMPUTE
sympy
IDENTITY_POW_ZERO
[ "IDENTITY_POW_ZERO", "IDENTITY_SUB_SELF", "K2" ]
fe633d
antilemma_k2_v1
null
3
0
[ "IDENTITY_POW_ZERO", "IDENTITY_SUB_SELF", "K2" ]
3
0.002
2026-02-08T17:45:40.155806Z
{ "verified": true, "answer": 5050, "timestamp": "2026-02-08T17:45:40.157663Z" }
384439
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": 795 }, "timestamp": "2026-02-18T06:57:23.306Z", "answer": 5050 }, { ...
1
[ { "lemma": "DS2", "status": "no" }, { "lemma": "IDENTITY_POW_ZERO", "status": "ok" }, { "lemma": "IDENTITY_SUB_SELF", "status": "ok" }, { "lemma": "K14", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "L3b", "status": "no" }, {...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
589df2
nt_sum_gcd_range_mod_v1_1431428450_316
Let $N$ be the minimum value of $x + y$ over all ordered pairs $(x, y)$ of positive integers such that $xy = 7496644$. Let $k = 96$ and $M = 11287$. Define $\text{sum} = \sum_{n=1}^{N} \gcd(n, k)$. Let $\text{result}$ be the remainder when $\text{sum}$ is divided by $M$. Compute $30276 - \text{result}$.
20,920
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(7496644)))), expr=Sum(Var("x"), Var("y")))), "k": Const(96),...
NT
null
COMPUTE
sympy
B3
[ "B3" ]
0cd20d
nt_sum_gcd_range_mod_v1
null
5
0
[ "B3" ]
1
0.29
2026-02-08T13:23:24.886469Z
{ "verified": true, "answer": 20920, "timestamp": "2026-02-08T13:23:25.176537Z" }
0ba0ab
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": 2177 }, "timestamp": "2026-02-15T14:01:42.588Z", "answer": 20920 }, ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" } ]
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
65e9d5
diophantine_fbi2_count_v1_655260480_3749
Let $m = 20$ and $n = 507$. Define $A$ as the set of all positive integers $a$ such that $1 \leq a \leq n$ and $\gcd(a, m) = 1$. Let $M = |A|$. Define $B$ as the set of all positive integers $b$ such that $1 \leq b \leq 1421$ and $13$ divides the $b$-th Fibonacci number. Let $K = 480$ and $L = |B|$. Determine the numbe...
18
graphs = [ Graph( let={ "_m": Const(20), "_n": Const(507), "k": Const(480), "result": CountOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(4)), Leq(Var("d"), CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const...
NT
null
COUNT
sympy
K13
[ "COUNT_FIB_DIVISIBLE", "C4" ]
b10525
diophantine_fbi2_count_v1
null
6
0
[ "C4", "COUNT_FIB_DIVISIBLE", "K13" ]
3
0.196
2026-02-08T17:31:43.341837Z
{ "verified": true, "answer": 18, "timestamp": "2026-02-08T17:31:43.537960Z" }
2cb55f
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 202, "completion_tokens": 2764 }, "timestamp": "2026-02-18T03:31:45.998Z", "answer": 18 }, { ...
1
[ { "lemma": "C4", "status": "ok" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "ok" }, { "lemma": "K5", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" ...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
278c67
nt_count_intersection_v1_151522320_1808
Let $ N = 100000 $ and $ a = 5 $. Let $ S $ be the set of all ordered pairs $ (x, y) $ of positive integers such that $ xy = 49 $. Define $ b $ to be the minimum value of $ x + y $ as $ (x, y) $ ranges over $ S $. Let $ T $ be the set of all integers $ n $ such that $ 1 \leq n \leq N $, $ a $ divides $ n $, and $ \gcd(...
8,571
graphs = [ Graph( let={ "N": Const(100000), "a": Const(5), "b": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Mul(Var("x"), Var("y")), Const(49)))), expr=...
NT
null
COUNT
sympy
B3
[ "B3" ]
0cd20d
nt_count_intersection_v1
null
4
0
[ "B3" ]
1
4.626
2026-02-08T04:23:17.913137Z
{ "verified": true, "answer": 8571, "timestamp": "2026-02-08T04:23:22.538775Z" }
9c926a
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 238, "completion_tokens": 1210 }, "timestamp": "2026-02-10T16:33:18.779Z", "answer": 8571 }, { "...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" } ]
{ "lo": -3.42, "mid": 1.86, "hi": 7.55 }
ba4677
sequence_count_fib_divisible_v1_397696148_2034
Let $n$ be a positive integer. Let $d$ be the largest prime number less than or equal to 7. Determine the number of positive integers $n$ not exceeding 497 for which $d$ divides the $n$th Fibonacci number. Compute this number.
62
graphs = [ Graph( let={ "_n": Const(7), "upper": Const(497), "d": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Ref("_n")), IsPrime(Var("n"))))), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=A...
NT
null
COUNT
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW" ]
dc3ad3
sequence_count_fib_divisible_v1
null
6
0
[ "MAX_PRIME_BELOW" ]
1
0.041
2026-02-08T12:54:33.745898Z
{ "verified": true, "answer": 62, "timestamp": "2026-02-08T12:54:33.786679Z" }
859fbd
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 104, "completion_tokens": 1578 }, "timestamp": "2026-02-15T07:35:16.745Z", "answer": 62 }, { ...
1
[ { "lemma": "DS2", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "V3", "status": "no" } ]
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
c2a9ed
antilemma_k3_v1_865884756_571
Let $n = 92598$. Compute the sum of $\phi(d)$ over all positive divisors $d$ of $n$.
92,598
graphs = [ Graph( let={ "_n": Const(92598), "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
2
0
[ "K3" ]
1
0.001
2026-02-08T15:31:02.268925Z
{ "verified": true, "answer": 92598, "timestamp": "2026-02-08T15:31:02.269591Z" }
e29fa3
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": 902 }, "timestamp": "2026-02-16T07:40:39.827Z", "answer": 92598 }, { ...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "K3", "status": "ok" }, { "lemma": "L3c", "status": "no" }, { "lemma": "V7", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
902447
nt_count_coprime_and_v1_1248542787_921
Let $k_1$ be the largest prime number $n$ such that $2 \leq n \leq 6$, and let $k_2 = 9$. Compute the number of positive integers $n$ such that $1 \leq n \leq 35598$, $\gcd(n, k_1) = 1$, and $\gcd(n, k_2) = 1$.
18,986
graphs = [ Graph( let={ "_n": Const(6), "upper": Const(35598), "k1": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Ref("_n")), IsPrime(Var("n"))))), "k2": Const(9), "result": CountOverSet(set=Solutio...
NT
null
COUNT
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW" ]
dc3ad3
nt_count_coprime_and_v1
null
4
0
[ "MAX_PRIME_BELOW" ]
1
4.013
2026-02-08T03:29:02.114322Z
{ "verified": true, "answer": 18986, "timestamp": "2026-02-08T03:29:06.127147Z" }
302656
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 203, "completion_tokens": 2757 }, "timestamp": "2026-02-09T10:04:35.652Z", "answer": 18986 }, { "...
1
[ { "lemma": "K13", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "V5", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -3.46, "mid": 0.96, "hi": 5.17 }
36d5a4
nt_sum_gcd_range_mod_v1_784195855_3399
Let $k$ be the number of positive integers $t$ such that $5 \leq t \leq 606$ and there exist positive integers $a \leq 18$ and $b \leq 190$ for which $t = 2a + 3b$. Let $N = 2311$. Define $s = \sum_{n=1}^{N} \gcd(n, k)$. Let $M = 10459$, and let $r = s \bmod M$. Let $P$ be the set of all prime numbers $p$ such that $2 ...
203
graphs = [ Graph( let={ "_n": Const(2), "N": Const(2311), "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=Co...
NT
COMB
COMPUTE
sympy
MIN_PRIME_FACTOR
[ "MAX_PRIME_BELOW", "LIN_FORM" ]
4b337f
nt_sum_gcd_range_mod_v1
bell_mod
7
0
[ "LIN_FORM", "MAX_PRIME_BELOW", "MIN_PRIME_FACTOR" ]
3
0.599
2026-02-08T06:24:44.470900Z
{ "verified": true, "answer": 203, "timestamp": "2026-02-08T06:24:45.070035Z" }
b7561d
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 206, "completion_tokens": 5013 }, "timestamp": "2026-02-13T00:01:06.333Z", "answer": 203 }, { ...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "MOD_SUB"...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
501f44
comb_count_derangements_v1_1470522791_1140
Let $\_c = 16$. 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 $1 \leq i \leq 8$ and $1 \leq j \leq 8$ such that $i + j = \_m$. Let $n_1$ be the number of ordered pairs $(i,j)$ with $1 \leq i \leq 13$ and ...
3,110
graphs = [ Graph( let={ "_c": Const(16), "_m": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x1"), Var("x2")]), condition=And(IsPositive(arg=Var(name='x1')), IsPositive(arg=Var(name='x2')), IsOdd(arg=Var(name='x1')), IsOdd(arg=Var(name='x2')), Eq(Sum(Var("x1"), Var("x2")), R...
COMB
NT
COUNT
sympy
COUNT_SUM_EQUALS
[ "COUNT_SUM_EQUALS/COUNT_SUM_EQUALS/BINOMIAL_ALTERNATING", "COMB1/COUNT_SUM_EQUALS/BINOMIAL_ALTERNATING" ]
83dbde
comb_count_derangements_v1
null
7
2
[ "BINOMIAL_ALTERNATING", "COMB1", "COUNT_SUM_EQUALS" ]
3
0.025
2026-02-08T13:26:50.855585Z
{ "verified": true, "answer": 3110, "timestamp": "2026-02-08T13:26:50.880180Z" }
f985fc
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 322, "completion_tokens": 2147 }, "timestamp": "2026-02-15T15:41:03.827Z", "answer": 3110 }, {...
1
[ { "lemma": "BINOMIAL_ALTERNATING", "status": "ok_later" }, { "lemma": "COMB1", "status": "ok" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemm...
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
5dacd8
lin_form_endings_v1_1742523217_3284
Compute the value of $\left\lfloor \frac{15}{\gcd(21, 15)} \right\rfloor$, multiply the result by $7801$, and then find the remainder when this product is divided by $98431$.
39,005
graphs = [ Graph( let={ "a_coeff": Const(21), "b_coeff": Const(15), "_inner_result": Floor(Div(Const(15), GCD(a=Ref("a_coeff"), b=Ref("b_coeff")))), "_scale_k": Const(7801), "_scaled": Mul(Ref("_scale_k"), Ref("_inner_result")), "_mod_M...
COMB
NT
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
lin_form_endings_v1
null
2
null
[ "LIN_FORM" ]
1
0
2026-02-08T05:45:48.567773Z
{ "verified": true, "answer": 39005, "timestamp": "2026-02-08T05:45:48.568224Z" }
493a75
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 115, "completion_tokens": 283 }, "timestamp": "2026-02-11T23:03:38.750Z", "answer": 39005 }, { "id": 11, ...
2
[ { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8_SUM", "st...
{ "lo": -10, "mid": -7.73, "hi": -5.46 }
6829b3
sequence_fibonacci_compute_v1_1520064083_8599
Let $n$ be the sum of all positive integers at most 23 that are divisible by 23. Compute the $n$-th Fibonacci number.
28,657
graphs = [ Graph( let={ "_n": Const(23), "n": SumOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("_n")), Eq(Mod(value=Var("n"), modulus=Const(23)), Const(0))))), "result": Fibonacci(arg=Ref(name='n')), }, goa...
NT
null
COMPUTE
sympy
SUM_DIVISIBLE
[ "SUM_DIVISIBLE" ]
02dbe3
sequence_fibonacci_compute_v1
null
2
0
[ "SUM_DIVISIBLE" ]
1
0.001
2026-02-08T10:15:55.875747Z
{ "verified": true, "answer": 28657, "timestamp": "2026-02-08T10:15:55.877126Z" }
1158d1
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": 451 }, "timestamp": "2026-02-14T06:54:39.029Z", "answer": 28657 }, { ...
1
[ { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "SUM_DIVISIBLE", "status": "ok" }, { "lemma": "V8_SUM", "status"...
{ "lo": -6.96, "mid": -4.56, "hi": -1.46 }
4ad69f
nt_gcd_compute_v1_601307018_466
Let $N = \gcd(154826, 287534)$. Find the remainder when $18002N$ is divided by $75901$.
67,491
graphs = [ Graph( let={ "a": Const(154826), "b": Const(287534), "result": GCD(a=Ref("a"), b=Ref("b")), "Q": Mod(value=Mul(Const(18002), Ref("result")), modulus=Const(75901)), }, goal=Ref("Q"), ) ]
NT
null
COMPUTE
sympy
POLY_ORBIT_LEGENDRE
[ "POLY_ORBIT_LEGENDRE/EULER_TOTIENT_SUM", "SUM_GEOM/LIOUVILLE_ONE", "BIG_OMEGA_ONE" ]
d1e750
nt_gcd_compute_v1
null
2
0
[ "BIG_OMEGA_ONE", "EULER_TOTIENT_SUM", "LIOUVILLE_ONE", "POLY_ORBIT_LEGENDRE", "SUM_GEOM" ]
5
0.013
2026-03-10T00:57:57.056010Z
{ "verified": true, "answer": 67491, "timestamp": "2026-03-10T00:57:57.069256Z" }
62f758
CC BY 4.0
null
null
[ { "lemma": "BIG_OMEGA_ONE", "status": "ok" }, { "lemma": "EULER_TOTIENT_SUM", "status": "ok_later" }, { "lemma": "K13", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "LIOUVILLE_ONE", "status": "ok_later" }, { "lemma": "MAX_VAL", ...
{ "lo": -10, "mid": 0, "hi": 10 }
87fdb1
alg_poly3_min_v1_1419126231_1024
Let $S$ be the set of pairs $(a_1, b_1)$ of positive integers with $1 \le a_1, b_1 \le 25$ satisfying $-12a_1b_1 + 20b_1^2 + 41a_1^2 \le 15193$. Let $A = |S|$. Find the remainder when $$\min\left\{ -9a^3 -27a^2b -81ab^2 \mid 1 \le a \le A,\ 1 \le b \le 436 \right\}$$ is divided by $99905$.
1,768
graphs = [ Graph( let={ "_n": Const(2), "result": Mod(value=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=Tuple(elements=[Var("a1"), Var("b1")]), condition=An...
ALG
null
COMPUTE
sympy
QF_PSD_COUNT_LEQ
[ "QF_PSD_COUNT_LEQ" ]
009d0f
alg_poly3_min_v1
null
4
0
[ "QF_PSD_COUNT_LEQ" ]
1
0.223
2026-02-25T10:32:09.655688Z
{ "verified": true, "answer": 1768, "timestamp": "2026-02-25T10:32:09.878255Z" }
99541c
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": 7109 }, "timestamp": "2026-03-30T11:07:47.277Z", "answer": 1768 }, { "i...
1
[ { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "QF_PSD_COUNT_LEQ", "status": "ok" } ]
{ "lo": -5.37, "mid": 0.23, "hi": 5.22 }
1f1709
nt_lcm_compute_v1_865884756_296
Let $a = 2111$. Let $b$ be the number of positive integers $j$ such that $1 \leq j \leq 1169$ and $j^5 \leq 2183094602096849$. Let $L = \mathrm{lcm}(a, b)$. Compute the remainder when $71289 - L$ is divided by 99609.
93,755
graphs = [ Graph( let={ "_n": Const(99609), "a": Const(2111), "b": CountOverSet(set=SolutionsSet(var=Var("j"), condition=And(Geq(Var("j"), Const(1)), Leq(Var("j"), Const(1169)), Leq(Pow(Var("j"), Const(5)), Const(2183094602096849))), domain='positive_integers')), ...
NT
null
COMPUTE
sympy
C3
[ "C3" ]
8a214c
nt_lcm_compute_v1
null
2
0
[ "C3" ]
1
0.003
2026-02-08T15:18:32.525799Z
{ "verified": true, "answer": 93755, "timestamp": "2026-02-08T15:18:32.528793Z" }
222838
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 194, "completion_tokens": 3384 }, "timestamp": "2026-02-10T06:45:49.217Z", "answer": 93755 }, { "...
1
[ { "lemma": "C3", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -7.09, "mid": -0.49, "hi": 6.1 }
516126
nt_num_divisors_compute_v1_1820931509_451
Let $n = 12996$. Let $d_{\text{min}}$ be the smallest divisor of $14742701$ that is at least $2$. Compute the value of $\tau(n)^2 + d_{\text{min}} \cdot \tau(n) + 24$, where $\tau(n)$ denotes the number of positive divisors of $n$.
1,374
graphs = [ Graph( let={ "n": Const(12996), "result": NumDivisors(n=Ref("n")), "Q": Sum(Pow(Ref("result"), Const(2)), Mul(MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(2)), Divides(divisor=Var("d"), dividend=Const(14742701))))), Ref("result"))...
NT
null
COMPUTE
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR" ]
76121b
nt_num_divisors_compute_v1
quadratic_mod
3
0
[ "MIN_PRIME_FACTOR" ]
1
0.001
2026-02-08T11:35:59.141008Z
{ "verified": true, "answer": 1374, "timestamp": "2026-02-08T11:35:59.142102Z" }
d91faf
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 121, "completion_tokens": 1055 }, "timestamp": "2026-02-14T17:53:05.010Z", "answer": 1374 }, {...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "MOD_MUL", "status": "n...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
1eb1bf
comb_bell_compute_v1_1520064083_4865
Let $m$ be the minimum value of $x + y$ over all ordered pairs $(x,y)$ of positive integers such that $xy = 1936$. Let $n$ be the number of integers $n'$ in the range $1 \leq n' \leq m$ such that $n' \equiv \left\lfloor \frac{n'}{2} \right\rfloor \pmod{11}$. Compute the remainder when $44121 \cdot B_n$ is divided by $5...
9,743
graphs = [ Graph( let={ "_m": Const(58411), "_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(1936)))), expr=Sum(Var("x"), Var("y")))...
NT
COMB
COMPUTE
sympy
B3
[ "B3/L3C" ]
345f3b
comb_bell_compute_v1
null
7
0
[ "B3", "L3C" ]
2
0.002
2026-02-08T06:27:57.036271Z
{ "verified": true, "answer": 9743, "timestamp": "2026-02-08T06:27:57.038026Z" }
672e60
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 168, "completion_tokens": 2286 }, "timestamp": "2026-02-13T00:25:04.201Z", "answer": 9743 }, {...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "L3C", "status": "ok_later" }, { "lemma": "MOD_MUL", "status": "no" }, { ...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
a5c0d8
diophantine_product_count_v1_2051736721_799
Let $n = 44$ and $k = 60$. Define $\text{upper}$ to be the sum of all positive integers $n$ such that $n \leq 44$ and $n \equiv 0 \pmod{44}$. Let $S$ be the set of all positive integers $x$ such that $x \leq \text{upper}$, $x$ divides $60$, and $\frac{60}{x} \leq \text{upper}$. Let $\text{result}$ be the number of elem...
13,446
graphs = [ Graph( let={ "_n": Const(44), "k": Const(60), "upper": SumOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("_n")), Eq(Mod(value=Var("n"), modulus=Const(44)), Const(0))))), "result": CountOverSet(set=Sol...
NT
null
COUNT
sympy
SUM_DIVISIBLE
[ "SUM_DIVISIBLE" ]
02dbe3
diophantine_product_count_v1
null
4
0
[ "SUM_DIVISIBLE" ]
1
0.029
2026-02-08T15:41:19.544784Z
{ "verified": true, "answer": 13446, "timestamp": "2026-02-08T15:41:19.573608Z" }
b76c38
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 172, "completion_tokens": 979 }, "timestamp": "2026-02-16T11:13:08.082Z", "answer": 13446 }, {...
1
[ { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "SUM_DIVISIBLE", "status": "ok" }, { "lemma": "V7", "status": ...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
cabff6
diophantine_fbi2_min_v1_124444284_4343
Let $S$ be the set of all ordered pairs of positive integers $(x, y)$ such that $xy = 81$. Let $s_{\min}$ be the minimum value of $x + y$ over all such pairs. Let $T$ be the set of all ordered pairs of positive integers $(x, y)$ such that $x + y = s_{\min}$. Let $k$ be the maximum value of $xy$ over all pairs in $T$. D...
3
graphs = [ Graph( let={ "_n": Const(2), "k": 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")), MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tup...
NT
null
EXTREMUM
sympy
B3
[ "B3/B1" ]
7f76f7
diophantine_fbi2_min_v1
null
5
0
[ "B1", "B3" ]
2
0.013
2026-02-08T05:56:27.870703Z
{ "verified": true, "answer": 3, "timestamp": "2026-02-08T05:56:27.883571Z" }
770d61
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 186, "completion_tokens": 918 }, "timestamp": "2026-02-12T16:40:27.826Z", "answer": 3 }, { ...
1
[ { "lemma": "B1", "status": "ok_later" }, { "lemma": "B3", "status": "ok" }, { "lemma": "K16", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { ...
{ "lo": -5.55, "mid": -3.01, "hi": 0.32 }
18e1e3
algebra_quadratic_discriminant_v1_1218484723_2025
Let $M$ be the number of ordered pairs $(a_1, b_1)$ of positive integers with $1 \leq a_1, b_1 \leq 30$ such that $257a_1^4 - 1028a_1^3b_1 + 1542a_1^2b_1^2 - 1028a_1b_1^3 + 257b_1^4 = 160625$. Let $b$ be the minimum value of $M b_2^2 - 20a_2 b_2 + 4a_2^2$ over all ordered pairs $(a_2, b_2)$ with $1 \leq a_2, b_2 \leq 5...
88,242
graphs = [ Graph( let={ "_m": Const(3), "_n": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a1"), Var("b1")]), condition=And(Geq(Var("a1"), Const(1)), Leq(Var("a1"), Const(30)), Geq(Var("b1"), Const(1)), Leq(Var("b1"), Const(30)), Eq(Sum(Mul(Const(-1028), Pow(Var("a1"), Cons...
ALG
null
COMPUTE
sympy
POLY4_COUNT
[ "POLY4_COUNT/QF_PSD_MIN" ]
dce3a4
algebra_quadratic_discriminant_v1
null
5
0
[ "POLY4_COUNT", "QF_PSD_MIN" ]
2
0.005
2026-02-25T03:43:42.175794Z
{ "verified": true, "answer": 88242, "timestamp": "2026-02-25T03:43:42.181284Z" }
bd56ac
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 317, "completion_tokens": 3069 }, "timestamp": "2026-03-29T02:35:07.150Z", "answer": 0 }, { "i...
1
[ { "lemma": "POLY4_COUNT", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "QF_PSD_MIN", "status": "ok_later" } ]
{ "lo": 3.14, "mid": 5.37, "hi": 7.61 }
cab696
geo_count_lattice_triangle_v1_1978505735_8432
Let $A$ be the set of all integers $t$ such that $7 \leq t \leq 123$ and there exist positive integers $a$ and $b$ with $1 \leq a \leq 27$, $1 \leq b \leq 5$, and $t = 4a + 3b$. Let $b_0$ be the number of elements in $A$. Consider the triangle with vertices at $(0,0)$, $(100,21)$, and $(7,111)$. The area of this triang...
5,475
graphs = [ Graph( let={ "_m": Const(7), "_n": Const(111), "area_2x": Abs(arg=Sum(Mul(Const(value=100), Ref(name='_n')), Mul(Const(value=7), Sub(left=Const(value=0), right=Const(value=21))))), "boundary": Sum(GCD(a=Abs(arg=Const(value=100)), b=Abs(arg=Const(val...
NT
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
geo_count_lattice_triangle_v1
null
6
0
[ "LIN_FORM" ]
1
0.016
2026-02-08T20:49:42.998154Z
{ "verified": true, "answer": 5475, "timestamp": "2026-02-08T20:49:43.014134Z" }
6fe248
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 282, "completion_tokens": 3254 }, "timestamp": "2026-02-19T01:14:14.101Z", "answer": 5475 }, {...
1
[ { "lemma": "K14", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "V1", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
06ac8e
antilemma_k3_v1_1918700295_1137
Let $ n = 83868 $. Compute the sum of $ \phi(d) $ over all positive divisors $ d $ of $ n $.
83,868
graphs = [ Graph( let={ "x": SumOverDivisors(n=Const(value=83868), 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
2026-02-08T05:36:27.057809Z
{ "verified": true, "answer": 83868, "timestamp": "2026-02-08T05:36:27.058168Z" }
5630ae
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 76, "completion_tokens": 951 }, "timestamp": "2026-02-12T11:01:09.730Z", "answer": 83868 }, { ...
1
[ { "lemma": "K17", "status": "no" }, { "lemma": "K3", "status": "ok" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "V8", "status": "no" } ]
{ "lo": -5.55, "mid": -3.01, "hi": 0.32 }
b9f2d9_l
modular_product_range_v1_50713871_17
Let $m = 10181$ and $n = 65536$. Let $S$ be the set of all positive integers $t$ such that there exist integers $a$ and $b$ satisfying $1 \le a \le 4$, $1 \le b \le 3$, $5 \le t \le 18$, and $t = 3a + 2b$. Let $P$ be the product $\prod_{i = |S|}^{T} i$, where $T$ is the minimum value of $x + y$ over all ordered pairs $...
1
NT
ALG
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM", "B3" ]
688dbe
modular_product_range_v1
null
6
0
[ "B3", "LIN_FORM" ]
2
0.004
2026-02-08T02:43:12.890185Z
{ "verified": false, "answer": 938, "timestamp": "2026-02-08T02:43:12.894101Z" }
bbe3df
b9f2d9
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": 261, "completion_tokens": 32768 }, "timestamp": "2026-02-23T15:48:04.581Z", "answer": null }, { ...
0
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MOD_SUB", "status": "no...
{ "lo": 5.02, "mid": 7.3, "hi": 10 }
355721
modular_sum_quadratic_residues_v1_153355830_1100
Let $n = 4$. Let $p$ be the smallest prime divisor of $3234356647$. Define $\text{result} = \frac{p(p-1)}{n}$. Let $Q$ be the remainder when $39227 \cdot \text{result}$ is divided by $61258$. Compute $Q$.
48,204
graphs = [ Graph( let={ "_n": Const(4), "p": MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(2)), Divides(divisor=Var("d"), dividend=Const(3234356647))))), "result": Div(Mul(Ref("p"), Sub(Ref("p"), Const(1))), Ref("_n")), "_c": Cons...
NT
null
SUM
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR" ]
bc3776
modular_sum_quadratic_residues_v1
null
3
0
[ "MIN_PRIME_FACTOR" ]
1
0.001
2026-02-08T04:23:59.367145Z
{ "verified": true, "answer": 48204, "timestamp": "2026-02-08T04:23:59.368611Z" }
3bbbfc
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 115, "completion_tokens": 2355 }, "timestamp": "2026-02-12T20:26:24.251Z", "answer": 48204 }, ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "V8", "status": "no" } ]
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
7f4fad
nt_count_gcd_equals_v1_397696148_1340
Let $n$ be the number of integers $t$ such that $12 \leq t \leq 269$ and there exist positive integers $a \leq 60$ and $b \leq 17$ satisfying $t = 3a + 5b + 4$. Let $S$ be the set of all nonnegative integers $j \leq n$ for which $$ \binom{\min\{x+y \mid x, y \text{ are positive integers with } xy = 15625\}}{j} \equiv 1...
83,248
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=60)), Geq(left=Var(name='b'), right=Const(value...
NT
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM/V8", "B3/V8" ]
3f10a4
nt_count_gcd_equals_v1
null
7
0
[ "B3", "LIN_FORM", "V8" ]
3
1.126
2026-02-08T12:30:58.137057Z
{ "verified": true, "answer": 83248, "timestamp": "2026-02-08T12:30:59.262745Z" }
6eb3b4
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 241, "completion_tokens": 4630 }, "timestamp": "2026-02-15T01:37:13.034Z", "answer": 83248 }, ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" },...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
34ac5a
diophantine_fbi2_count_v1_1915831931_1028
Let $k$ be the number of ordered pairs $(a, b)$ such that $1 \leq a \leq 35$ and $1 \leq b \leq 36$. Determine the number of integers $d$ such that $2 \leq d \leq 181$, $d$ divides $k$, and the quotient $k/d$ satisfies $6 \leq k/d \leq 185$. Compute the remainder when $92089$ times this count is divided by $50250$.
49,386
graphs = [ Graph( let={ "_n": Const(185), "k": CountOverSet(set=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(35)), right=IntegerRange(start=Const(1), end=Const(36)))), "result": CountOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(...
NT
null
COUNT
sympy
COUNT_CARTESIAN
[ "COUNT_CARTESIAN" ]
409d7d
diophantine_fbi2_count_v1
null
3
0
[ "COUNT_CARTESIAN" ]
1
0.035
2026-02-08T15:50:48.075208Z
{ "verified": true, "answer": 49386, "timestamp": "2026-02-08T15:50:48.110325Z" }
717f07
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": 1546 }, "timestamp": "2026-02-16T14:29:43.988Z", "answer": 49386 }, ...
1
[ { "lemma": "COUNT_CARTESIAN", "status": "ok" }, { "lemma": "K14", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V7", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
d5d511
comb_count_permutations_fixed_v1_1520064083_8217
Let $n$ be the sum of $\phi(d)$ over all positive divisors $d$ of $7$, where $\phi$ denotes Euler's totient function. Compute the value of $$ \binom{n}{4} \cdot !(n - 4), $$where $!k$ denotes the number of derangements of $k$ elements.
70
graphs = [ Graph( let={ "_n": Const(7), "n": SumOverDivisors(n=Ref(name='_n'), var='d', expr=EulerPhi(n=Var(name='d'))), "k": Const(4), "result": Mul(Binom(n=Ref("n"), k=Ref("k")), Subfactorial(arg=Sub(left=Ref(name='n'), right=Ref(name='k')))), }, ...
NT
COMB
COUNT
sympy
MIN_PRIME_FACTOR
[ "K3" ]
54c41e
comb_count_permutations_fixed_v1
null
4
0
[ "K3", "MIN_PRIME_FACTOR" ]
2
0.01
2026-02-08T10:04:52.204283Z
{ "verified": true, "answer": 70, "timestamp": "2026-02-08T10:04:52.214460Z" }
4e06c0
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 119, "completion_tokens": 570 }, "timestamp": "2026-02-14T06:19:10.485Z", "answer": 70 }, { ...
1
[ { "lemma": "K3", "status": "ok" }, { "lemma": "L3b", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -9.12, "mid": -6.02, "hi": -3.62 }
f55fcd
nt_gcd_compute_v1_397696148_711
Let $a = 610821$ and $b = 1153773$. Define $\text{result} = \gcd(a, b)$. Let $P$ be the set of all prime numbers $n$ such that $2 \leq n \leq 11$, and let $m$ be the maximum element of $P$. Compute the Bell number of $|\text{result}| \mod m$, and let $Q$ be the remainder when this Bell number is divided by $88374$. Det...
27,601
graphs = [ Graph( let={ "_n": Const(2), "a": Const(610821), "b": Const(1153773), "result": GCD(a=Ref("a"), b=Ref("b")), "Q": Mod(value=Bell(Mod(value=Abs(arg=Ref(name='result')), modulus=MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(V...
NT
COMB
COMPUTE
sympy
COPRIME_PAIRS
[ "MAX_PRIME_BELOW" ]
88ea9c
nt_gcd_compute_v1
bell_mod
4
0
[ "COPRIME_PAIRS", "MAX_PRIME_BELOW" ]
2
0.027
2026-02-08T11:42:53.067445Z
{ "verified": true, "answer": 27601, "timestamp": "2026-02-08T11:42:53.094594Z" }
9cbb7a
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": 687 }, "timestamp": "2026-02-14T17:23:55.894Z", "answer": 27601 }, {...
1
[ { "lemma": "DS2", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "V7", "status": "no" } ]
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
742862
sequence_fibonacci_compute_v1_1440796553_686
Let $S$ be the set of all integers $t$ such that $7 \le t \le 30$ and there exist positive integers $a$ and $b$ with $1 \le a \le 10$, $1 \le b \le 2$, and $t = 2a + 5b$. Let $n$ be the number of elements in $S$. Compute the $n$-th Fibonacci number, where the Fibonacci sequence is defined by $F_1 = 1$, $F_2 = 1$, and $...
6,765
graphs = [ Graph( let={ "n": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=10)), Geq(left=Var(name='b'), right=Const(value=...
NT
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
sequence_fibonacci_compute_v1
null
4
0
[ "LIN_FORM" ]
1
0.001
2026-02-08T11:55:18.585461Z
{ "verified": true, "answer": 6765, "timestamp": "2026-02-08T11:55:18.586564Z" }
562fb0
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": 1111 }, "timestamp": "2026-02-14T20:43:56.257Z", "answer": 6765 }, {...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
6f7984
nt_gcd_compute_v1_1431428450_78
Let $m=63877$. Let $n$ be the number of positive integers $p$ for which there exists a positive integer $q$ such that \begin{itemize} \item $pq=72$, \item $\gcd(p,q)=1$, and \item $p<q$. \end{itemize} Let $a=490296$ and $b=919305$, and let $d=\gcd(a,b)$. For each integer $k$ with $1\le k\le 5$, let $\varphi(k)$ denot...
65,383
graphs = [ Graph( let={ "_m": Const(63877), "_n": CountOverSet(set=SolutionsSet(var=Var("p"), condition=And(IsPositive(arg=Var(name='p')), Exists(var=Var(name='q'), condition=And(Eq(left=Mul(Var(name='p'), Var(name='q')), right=Const(value=72)), Eq(left=GCD(a=Var(name='p'), b=Var(nam...
NT
null
COMPUTE
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW/K2", "COPRIME_PAIRS/K2" ]
3570c9
nt_gcd_compute_v1
mod_exp
6
0
[ "COPRIME_PAIRS", "K2", "MAX_PRIME_BELOW" ]
3
0.004
2026-02-08T13:10:49.955177Z
{ "verified": true, "answer": 65383, "timestamp": "2026-02-08T13:10:49.959479Z" }
27a7ae
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 312, "completion_tokens": 2399 }, "timestamp": "2026-02-15T11:06:08.290Z", "answer": 65383 }, ...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "K2", "status": "ok_later" }, { "lemma": "K5", "status": "no" }, ...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
b51efe
geo_visible_lattice_v1_1431428450_284
Let $n = 171$. Define $\text{result}$ to be the number of lattice points $(x, y)$ with $1 \le x, y \le n$ such that $\gcd(x, y) = 1$. Compute the smallest positive integer $k$ such that the $k$th Fibonacci number is divisible by $\text{result} + 2$.
2,900
graphs = [ Graph( let={ "n": Const(171), "result": VisibleLatticePoints(n=Ref(name='n')), "Q": FibonacciEntryPoint(modulus=Sum(Abs(arg=Ref(name='result')), Const(value=2))), }, goal=Ref("Q"), ) ]
GEOM
NT
COUNT
sympy
[]
geo_visible_lattice_v1
null
3
0
null
null
0.776
2026-02-08T13:22:40.117902Z
{ "verified": true, "answer": 2900, "timestamp": "2026-02-08T13:22:40.893984Z" }
332733
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 189, "completion_tokens": 8550 }, "timestamp": "2026-02-24T17:55:25.476Z", "answer": 504 }, { ...
1
[]
{ "lo": 3.25, "mid": 5.68, "hi": 8.81 }
11d962
nt_count_with_divisor_count_v1_458359167_4423
Let $r$ be the number of positive integers $n$ such that $1 \leq n \leq 65536$ and $n$ has exactly 15 positive divisors. Let $c$ be the number of nonnegative integers $j$ such that $0 \leq j \leq 30175$ and $\binom{30175}{j}$ is odd. Compute $r^2 + 49r + c$.
6,802
graphs = [ Graph( let={ "_n": Const(2), "upper": Const(65536), "div_count": Const(15), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("upper")), Eq(NumDivisors(n=Var("n")), Ref("div_count"))))), ...
NT
null
COUNT
sympy
V8
[ "V8" ]
4109e4
nt_count_with_divisor_count_v1
quadratic_mod
6
0
[ "V8" ]
1
3.459
2026-02-08T11:45:56.623781Z
{ "verified": true, "answer": 6802, "timestamp": "2026-02-08T11:46:00.083010Z" }
f0878e
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": 2402 }, "timestamp": "2026-02-14T18:40:02.074Z", "answer": 6802 }, {...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "V5", "status": "no" }, { "lemma": "V8", "status": "ok" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
c78ffa
diophantine_fbi2_min_v1_124444284_99
Let $n = 6$, $k = 26$, and $u = 36$. Define $d$ to be an integer such that $d \geq n$, $d \leq u$, $d$ divides $k$, and $\frac{k}{d} \geq 2$. Let $A$ be the smallest such $d$. Let $B$ be the smallest integer $d' \geq 2$ that divides $48841$. Compute the value of $3^{|A|} + B$ modulo $99991$. If the result is nonnegat...
94,471
graphs = [ Graph( let={ "_n": Const(6), "k": Const(26), "upper": Const(36), "result": MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Ref("_n")), Leq(Var("d"), Ref("upper")), Divides(divisor=Var("d"), dividend=Ref("k")), Geq(Div(Ref("k"),...
NT
null
EXTREMUM
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR" ]
3a66af
diophantine_fbi2_min_v1
two_stage_modexp
4
0
[ "MIN_PRIME_FACTOR" ]
1
0.008
2026-02-08T02:58:55.150245Z
{ "verified": true, "answer": 94471, "timestamp": "2026-02-08T02:58:55.158103Z" }
23643e
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 250, "completion_tokens": 1193 }, "timestamp": "2026-02-09T13:41:56.442Z", "answer": 94471 }, { "...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "V3", "status": "no" }, { "lemma": "V8", "status": "no" ...
{ "lo": -3.47, "mid": 0.81, "hi": 4.81 }
60dde9
comb_count_surjections_v1_1470522791_1202
Let $n$ be the number of ordered pairs $(x_1, x_2)$ of positive odd integers such that $x_1 + x_2 = 14$. Let $S(n, k)$ denote the Stirling number of the second kind, and let $k = 3$. Define $T = k! \cdot S(n, k)$. Compute the remainder when $35117 \cdot T$ is divided by $97308$.
73,794
graphs = [ Graph( let={ "n": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x1"), Var("x2")]), condition=And(IsPositive(arg=Var(name='x1')), IsPositive(arg=Var(name='x2')), IsOdd(arg=Var(name='x1')), IsOdd(arg=Var(name='x2')), Eq(Sum(Var("x1"), Var("x2")), Const(14))))), "k":...
COMB
null
COUNT
sympy
COMB1
[ "COMB1" ]
567f58
comb_count_surjections_v1
null
4
0
[ "COMB1" ]
1
0.003
2026-02-08T13:30:44.879233Z
{ "verified": true, "answer": 73794, "timestamp": "2026-02-08T13:30:44.882430Z" }
ff1bc8
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 206, "completion_tokens": 2175 }, "timestamp": "2026-02-24T18:31:33.954Z", "answer": 73794 }, { "...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COMB1", "status": "ok" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -2.35, "mid": 1.22, "hi": 4.84 }
4519e6
nt_sum_divisors_mod_v1_2051736721_88
Let $k$ be a positive integer such that $1 \leq k \leq 1118880$ and $k$ is divisible by the minimum value of $x + y$ over all positive integers $x, y$ such that $xy = 49284$. Let $n$ be the number of such integers $k$. Let $\sigma$ be the sum of the positive divisors of $n$. Let $M = 11311$, and let $r$ be the remainde...
150
graphs = [ Graph( let={ "_n": Const(49284), "n": CountOverSet(set=SolutionsSet(var=Var("k"), condition=And(Geq(Var("k"), Const(1)), Leq(Var("k"), Const(1118880)), Divides(divisor=MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPosi...
NT
null
COMPUTE
sympy
B3
[ "B3/C2" ]
dcbe93
nt_sum_divisors_mod_v1
null
6
0
[ "B3", "C2" ]
2
0.006
2026-02-08T15:11:55.194470Z
{ "verified": true, "answer": 150, "timestamp": "2026-02-08T15:11:55.200083Z" }
0ebda6
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 193, "completion_tokens": 3343 }, "timestamp": "2026-02-16T01:11:38.391Z", "answer": 150 }, { ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "C2", "status": "ok_later" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "MOD_SUB", "status": "...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
846397
nt_count_divisors_in_range_v1_784195855_5707
Let $T$ be the set of all integers $t$ such that $7 \leq t \leq 47$ and there exist positive integers $a$, $b$ with $1 \leq a \leq 8$, $1 \leq b \leq 5$, satisfying $t = 4a + 3b$. Let $d_0$ be the smallest divisor of $|T|$ that is at least $2$. Let $m = 5$. Define $a = \sum_{k=1}^{m} \phi(k) \left\lfloor \frac{d_0}{k} ...
172
graphs = [ Graph( let={ "_m": Const(5), "_n": MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(2)), Divides(divisor=Var("d"), dividend=CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condit...
NT
null
COUNT
sympy
B3
[ "LIN_FORM/MIN_PRIME_FACTOR/K2" ]
db5ec0
nt_count_divisors_in_range_v1
null
7
0
[ "B3", "K2", "LIN_FORM", "MIN_PRIME_FACTOR" ]
4
1.166
2026-02-08T08:04:06.990234Z
{ "verified": true, "answer": 172, "timestamp": "2026-02-08T08:04:08.156118Z" }
d0e878
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 237, "completion_tokens": 3286 }, "timestamp": "2026-02-13T14:26:52.303Z", "answer": 172 }, { ...
1
[ { "lemma": "DS2", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "K2", "status": "ok_later" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok_later" }, { "lemma": "MOD_ADD", "status": "no" ...
{ "lo": -3.51, "mid": 1.33, "hi": 6.56 }
5d237c
modular_sum_quadratic_residues_v1_601307018_5273
Let $p$ be the largest prime number $n$ such that $2 \leq n \leq 281$. Let $R = \frac{p(p-1)}{4}$. Find the remainder when $46672 \cdot R$ is divided by $64767$.
30,782
graphs = [ Graph( let={ "_n": Const(281), "p": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Ref("_n")), IsPrime(Var("n"))))), "result": Div(Mul(Ref("p"), Sub(Ref("p"), Const(1))), Const(4)), "_c": Const(46672),...
NT
null
SUM
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW" ]
dc3ad3
modular_sum_quadratic_residues_v1
null
3
0
[ "MAX_PRIME_BELOW" ]
1
0.003
2026-03-10T05:56:41.020172Z
{ "verified": true, "answer": 30782, "timestamp": "2026-03-10T05:56:41.023172Z" }
da0ac9
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 171, "completion_tokens": 1822 }, "timestamp": "2026-04-19T01:41:05.824Z", "answer": 30782 }, { ...
1
[ { "lemma": "K15", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -3.31, "mid": 1.32, "hi": 5.87 }
b54f4e
nt_count_coprime_v1_1915831931_1870
Let $n$ be a positive integer. Define $A$ as the number of integers $n$ with $1 \leq n \leq 10731$ such that $\gcd(n, 26) = 1$. Let $B$ be the number of integers $n_1$ with $1 \leq n_1 \leq 131$ such that $n_1 \equiv \left\lfloor \frac{n_1}{2} \right\rfloor \pmod{3}$. Compute the remainder when $B - A$ is divided by $6...
55,178
graphs = [ Graph( let={ "upper": Const(10731), "k": Const(26), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("upper")), Eq(GCD(a=Var("n"), b=Ref("k")), Const(1))))), "_c": CountOverSet(set=Soluti...
NT
null
COUNT
sympy
L3C
[ "L3C" ]
fba717
nt_count_coprime_v1
negation_mod
4
0
[ "L3C" ]
1
12.979
2026-02-08T16:29:26.305574Z
{ "verified": true, "answer": 55178, "timestamp": "2026-02-08T16:29:39.284224Z" }
481040
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 166, "completion_tokens": 1457 }, "timestamp": "2026-02-17T04:48:18.126Z", "answer": 55178 }, ...
1
[ { "lemma": "K5", "status": "no" }, { "lemma": "L3C", "status": "ok" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
268885
modular_sum_quadratic_residues_v1_1978505735_5711
Let $m = 7744$ and $n = 2$. Consider the set of all ordered pairs $(x, y)$ of positive integers such that $xy = m$. For each such pair, compute the sum $x + y$, and let $s_{\min}$ be the minimum of these sums. Let $p$ be the largest prime number such that $n \leq p \leq s_{\min}$. Compute $\frac{p(p-1)}{4}$.
7,439
graphs = [ Graph( let={ "_m": Const(7744), "_n": Const(2), "p": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Ref("_n")), Leq(Var("n"), MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(ar...
NT
null
SUM
sympy
B3
[ "B3/MAX_PRIME_BELOW" ]
f253c0
modular_sum_quadratic_residues_v1
null
7
0
[ "B3", "MAX_PRIME_BELOW" ]
2
0.18
2026-02-08T19:11:37.030311Z
{ "verified": true, "answer": 7439, "timestamp": "2026-02-08T19:11:37.210198Z" }
eba651
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": 3063 }, "timestamp": "2026-02-18T21:33:14.255Z", "answer": 7439 }, {...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok_later" }, { "lemma": "V1", "status": "no" }, { "lemma": "V5", "status": "no" }, { "lemma":...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
9ab671
antilemma_k3_v1_2051736721_1658
Let $n = 44410$. Compute the remainder when $44121$ times the sum $\sum_{d \mid n} \phi(d)$ is divided by $68029$, where $\phi$ denotes Euler's totient function.
42,352
graphs = [ Graph( let={ "_n": Const(44410), "x": SumOverDivisors(n=Ref(name='_n'), var='d', expr=EulerPhi(n=Var(name='d'))), "Q": Mod(value=Mul(Const(44121), Ref("x")), modulus=Const(68029)), }, goal=Ref("Q"), ) ]
NT
COMB
COMPUTE
sympy
K3
[ "K3" ]
54c41e
antilemma_k3_v1
null
2
0
[ "K3" ]
1
0.001
2026-02-08T16:08:54.037984Z
{ "verified": true, "answer": 42352, "timestamp": "2026-02-08T16:08:54.038642Z" }
7f6571
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 95, "completion_tokens": 1475 }, "timestamp": "2026-02-16T21:20:32.516Z", "answer": 42352 }, {...
1
[ { "lemma": "DS2", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "K3", "status": "ok" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
22f116
modular_sum_quadratic_residues_v1_1470522791_1470
Let $n = 423$. Define $p$ to be the largest prime number less than or equal to $n$. Compute $\frac{p(p-1)}{4}$.
44,205
graphs = [ Graph( let={ "_n": Const(423), "p": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Ref("_n")), IsPrime(Var("n"))))), "result": Div(Mul(Ref("p"), Sub(Ref("p"), Const(1))), Const(4)), }, goal=Ref("re...
NT
null
SUM
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW" ]
dc3ad3
modular_sum_quadratic_residues_v1
null
3
0
[ "MAX_PRIME_BELOW" ]
1
0.002
2026-02-08T13:40:56.415662Z
{ "verified": true, "answer": 44205, "timestamp": "2026-02-08T13:40:56.417687Z" }
d946d6
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 82, "completion_tokens": 927 }, "timestamp": "2026-02-15T19:22:43.668Z", "answer": 44205 }, { ...
1
[ { "lemma": "K17", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" ...
{ "lo": -8.26, "mid": -5.01, "hi": -1.76 }
365074
comb_factorial_compute_v1_601307018_8860
Let $n$ be the number of positive integers $v$ with $20 \le v \le 1280$ for which there exist integers $a, b$ such that $1 \le a \le 8$, $1 \le b \le 8$, and $20a^2 = v$. Compute $n!$.
40,320
graphs = [ Graph( let={ "_n": Const(1280), "n": CountOverSet(set=SolutionsSet(var=Var("v"), condition=And(Geq(Var("v"), Const(20)), Leq(Var("v"), Ref("_n")), Exists(var=Tuple(elements=[Var(name='a'), Var(name='b')]), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(le...
COMB
null
COMPUTE
sympy
QF_PSD_DISTINCT
[ "QF_PSD_DISTINCT" ]
a8f9cb
comb_factorial_compute_v1
null
3
0
[ "QF_PSD_DISTINCT" ]
1
0.007
2026-03-10T09:18:40.698227Z
{ "verified": true, "answer": 40320, "timestamp": "2026-03-10T09:18:40.704928Z" }
2a1580
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": 641 }, "timestamp": "2026-04-19T09:59:41.649Z", "answer": 40320 }, { "...
2
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "QF_PSD_DISTINCT", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" ...
{ "lo": -10, "mid": -5.89, "hi": -1.79 }
bb3c1f
comb_count_surjections_v1_677425708_3641
Let $n = 6$ and $k = 6$. Compute $k! \cdot S(n, k)$, where $S(n, k)$ denotes the Stirling number of the second kind, the number of ways to partition a set of $n$ elements into $k$ nonempty subsets.
720
graphs = [ Graph( let={ "n": Const(6), "k": Const(6), "result": Mul(Factorial(Ref("k")), Stirling2(n=Ref(name='n'), k=Ref(name='k'))), }, goal=Ref("result"), ) ]
COMB
null
COUNT
sympy
COUNT_SUM_EQUALS
[ "COUNT_SUM_EQUALS", "COMB1" ]
938829
comb_count_surjections_v1
null
2
0
[ "COMB1", "COUNT_SUM_EQUALS" ]
2
0.019
2026-02-08T05:52:00.619351Z
{ "verified": true, "answer": 720, "timestamp": "2026-02-08T05:52:00.638836Z" }
6e0991
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 175, "completion_tokens": 277 }, "timestamp": "2026-02-24T04:45:55.673Z", "answer": 720 }, { "id"...
2
[ { "lemma": "COMB1", "status": "ok" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "V7...
{ "lo": -9.23, "mid": -6.18, "hi": -4.06 }
8e8455
algebra_quadratic_discriminant_v1_124444284_9962
Let $a = -8$, $b = 9$, and $c = 7$. Define the discriminant $D = b^2 - 4ac$. Compute $2$ if $D > 0$, $1$ if $D = 0$, and $0$ if $D < 0$.
2
graphs = [ Graph( let={ "a": Const(-8), "b": Const(9), "c": Const(7), "D": Sub(Pow(Ref("b"), Const(2)), Mul(Const(4), Ref("a"), Ref("c"))), "result": Sum(Mul(Const(2), Iverson(condition=Gt(Ref("D"), Const(0)))), Iverson(condition=Eq(Ref("D"), Const...
NT
null
COMPUTE
sympy
K2
[ "COPRIME_PAIRS" ]
2bb3aa
algebra_quadratic_discriminant_v1
null
3
0
[ "COPRIME_PAIRS", "K2" ]
2
0.019
2026-02-08T12:44:36.916493Z
{ "verified": true, "answer": 2, "timestamp": "2026-02-08T12:44:36.935647Z" }
7ae783
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 1, "correct": { "strict": false, "boxed": false, "relaxed": true }, "usage": { "prompt_tokens": 123, "completion_tokens": 164 }, "timestamp": "2026-02-16T04:03:29.428Z", "answer": 0 }, { "id": 11, ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "K14", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -9.12, "mid": -6.02, "hi": -3.62 }
95ba35
nt_count_digit_sum_v1_124444284_4249
Let $n = 2$. Let $\text{result}$ be the number of positive integers $n$ such that $1 \leq n \leq 57291$ and the sum of the decimal digits of $n$ is $25$. Let $d_{\text{min}}$ be the smallest integer $d \geq n$ such that $d$ divides $41327$. Compute the Bell number $B_k$, where $k = \text{result} \bmod d_{\text{min}}$.
203
graphs = [ Graph( let={ "_n": Const(2), "upper": Const(57291), "target_sum": Const(25), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("upper")), Eq(DigitSum(Var("n")), Ref("target_sum"))))), ...
NT
COMB
COUNT
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR" ]
58d7e9
nt_count_digit_sum_v1
bell_mod
7
0
[ "MIN_PRIME_FACTOR" ]
1
2.63
2026-02-08T05:52:19.592637Z
{ "verified": true, "answer": 203, "timestamp": "2026-02-08T05:52:22.222191Z" }
ace962
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 152, "completion_tokens": 3210 }, "timestamp": "2026-02-12T15:35:46.267Z", "answer": 203 }, { ...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "stat...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
842601
nt_count_gcd_equals_v1_124444284_5697
Let $P$ be the set of all ordered pairs $(x, y)$ of positive integers such that $xy = 14288400$. Define $S$ as the set of all values $x + y$ where $(x, y) \in P$. Let $u$ be the minimum element of $S$. Determine the number of positive integers $n$ such that $1 \leq n \leq u$ and $\gcd(n, 105) = 5$. Let this number be $...
60,504
graphs = [ Graph( let={ "_n": Const(83465), "upper": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Mul(Var("x"), Var("y")), Const(14288400)))), expr=Sum(Var("x"), Var...
NT
null
COUNT
sympy
B3
[ "B3" ]
0cd20d
nt_count_gcd_equals_v1
null
5
0
[ "B3" ]
1
4.879
2026-02-08T06:46:34.714436Z
{ "verified": true, "answer": 60504, "timestamp": "2026-02-08T06:46:39.593673Z" }
c7d918
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 170, "completion_tokens": 2145 }, "timestamp": "2026-02-13T04:27:14.339Z", "answer": 60504 }, ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "K13", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
0d8cc6
modular_mod_compute_v1_2051736721_3775
Let $n_0 = 2$. Let $a = 32768$. Let $S$ be the set of all integers $t$ such that there exist integers $a$ and $b$ satisfying $1 \leq a \leq 93$, $1 \leq b \leq 249$, $26 \leq t \leq 1138$, and $t = 4a + 3b + 19$. Let $m$ be the largest prime number $n$ such that $n_0 \leq n \leq |S|$. Compute the remainder when $a$ is ...
781
graphs = [ Graph( let={ "_n": Const(2), "a": Const(32768), "m": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Ref("_n")), Leq(Var("n"), CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b...
NT
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM/MAX_PRIME_BELOW" ]
47006e
modular_mod_compute_v1
null
5
0
[ "LIN_FORM", "MAX_PRIME_BELOW" ]
2
0.003
2026-02-08T17:31:58.799778Z
{ "verified": true, "answer": 781, "timestamp": "2026-02-08T17:31:58.803082Z" }
2fe5a9
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 176, "completion_tokens": 5492 }, "timestamp": "2026-02-18T04:23:01.725Z", "answer": 781 }, { ...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "MAX_PRIME_BELOW", "status"...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
0a3da3
comb_catalan_compute_v1_168721529_560
Let $n$ be the number of integers $t$ such that $7 \leq t \leq 20$ and there exist integers $a$ and $b$ with $1 \leq a \leq 5$, $1 \leq b \leq 2$, and $t = 2a + 5b$. Define $r = C_n$, where $C_n$ denotes the $n$-th Catalan number. Compute the value of $$ Q = r + \phi(|r| + \binom{11}{11}) + \tau(|r| + 1), $$ where $\ph...
26,964
graphs = [ Graph( let={ "_n": Const(11), "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=Var(n...
COMB
NT
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM", "ONE_BINOM_N" ]
c318da
comb_catalan_compute_v1
null
5
0
[ "LIN_FORM", "ONE_BINOM_N" ]
2
0.173
2026-02-08T13:08:31.896988Z
{ "verified": true, "answer": 26964, "timestamp": "2026-02-08T13:08:32.070368Z" }
d9b98e
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": 1400 }, "timestamp": "2026-02-09T06:21:00.461Z", "answer": 26964 }, { "...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "ONE_BINOM_N", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" }, { ...
{ "lo": -1.2, "mid": 1.93, "hi": 4.95 }
90028c
nt_count_coprime_and_v1_717093673_1496
Let $k_1$ be the number of positive integers $n$ such that $1 \leq n \leq 5$ and $\gcd(n, 14) = 1$. Let $k_2 = 7$. Determine the number of positive integers $n_1$ such that $1 \leq n_1 \leq 10004$, $\gcd(n_1, k_1) = 1$, and $\gcd(n_1, k_2) = 1$.
5,717
graphs = [ Graph( let={ "_n": Const(14), "upper": Const(10004), "k1": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Const(5)), Eq(GCD(a=Var("n"), b=Ref("_n")), Const(1))))), "k2": Const(7), "result...
NT
null
COUNT
sympy
C4
[ "C4" ]
08d162
nt_count_coprime_and_v1
null
4
0
[ "C4" ]
1
4.912
2026-02-08T16:06:37.749969Z
{ "verified": true, "answer": 5717, "timestamp": "2026-02-08T16:06:42.662293Z" }
d8f593
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": 883 }, "timestamp": "2026-02-16T21:57:53.011Z", "answer": 5717 }, { ...
1
[ { "lemma": "C4", "status": "ok" }, { "lemma": "K5", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V3", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
e2f4ba
alg_qf_psd_min_v1_1218484723_2531
Let $S$ be the set of integers $t$ such that there exist integers $a, b$ with $1 \leq a \leq 1040$, $1 \leq b \leq 67$, $t = 21a + 6b$, and $27 \leq t \leq 22242$. Let $k = |S|$. Let $m = \left|\{ (a_1, b_1) : 1 \leq a_1, b_1 \leq 20,\ -189a_1^3 = -12096 \}\right|$. Find the minimum value of \[ -44400bc + 22200c^2 + 3...
36,260
graphs = [ Graph( let={ "_m": Const(2), "_n": Const(30340), "result": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b"), Var("c")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var(...
ALG
null
COMPUTE
sympy
POLY3_COUNT
[ "POLY3_COUNT", "LIN_FORM" ]
ef20a0
alg_qf_psd_min_v1
null
6
0
[ "LIN_FORM", "POLY3_COUNT" ]
2
0.034
2026-02-25T04:16:50.015635Z
{ "verified": true, "answer": 36260, "timestamp": "2026-02-25T04:16:50.049544Z" }
4557cc
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 334, "completion_tokens": 10854 }, "timestamp": "2026-03-29T05:15:33.201Z", "answer": 36263 }, { ...
1
[ { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "POLY3_COUNT", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": 3.81, "mid": 6.33, "hi": 9.49 }
09d06f
comb_count_surjections_v1_1218484723_2948
Let $k = 6$ and $n = \sum_{k_1 = \binom{18}{18} - 1}^{2} 2^{k_1}$. Compute $k! \cdot S(n, k)$, where $S(n, k)$ denotes the Stirling number of the second kind.
15,120
graphs = [ Graph( let={ "_n": Const(2), "n": Summation(var="k1", start=Sub(Binom(n=Const(18), k=Const(18)), Const(1)), end=Ref("_n"), expr=Pow(Const(2), Var("k1"))), "k": Const(6), "result": Mul(Factorial(Ref("k")), Stirling2(n=Ref(name='n'), k=Ref(name='k')))...
COMB
null
COUNT
sympy
SUM_GEOM
[ "SUM_GEOM", "ZERO_BINOM_N" ]
4e18d8
comb_count_surjections_v1
null
3
0
[ "SUM_GEOM", "ZERO_BINOM_N" ]
2
0.002
2026-02-25T04:41:25.244888Z
{ "verified": true, "answer": 15120, "timestamp": "2026-02-25T04:41:25.246888Z" }
df6dd0
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 180, "completion_tokens": 2411 }, "timestamp": "2026-03-29T07:25:25.851Z", "answer": 15120 }, { "...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "SUM_GEOM", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" },...
{ "lo": -2.45, "mid": 1.37, "hi": 5.29 }
020707
nt_count_with_divisor_count_v1_1125832087_2372
Let $T$ be the set of all integers $t$ such that $22 \leq t \leq 12856$ and $t = 14a + 8b$ for some positive integers $a \leq 748$ and $b \leq 298$. Let $N$ be the number of positive integers $n \leq |T|$ such that $n$ has exactly $7$ positive divisors. Compute $25845 \cdot N$.
51,690
graphs = [ Graph( let={ "upper": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=748)), Geq(left=Var(name='b'), right=Const(v...
NT
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
nt_count_with_divisor_count_v1
null
5
0
[ "LIN_FORM" ]
1
1.67
2026-02-08T04:34:30.447489Z
{ "verified": true, "answer": 51690, "timestamp": "2026-02-08T04:34:32.117986Z" }
07179b
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 213, "completion_tokens": 3070 }, "timestamp": "2026-02-10T17:06:39.946Z", "answer": 51690 }, { ...
1
[ { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" ...
{ "lo": -3.42, "mid": 1.86, "hi": 7.55 }
5f3455
modular_mod_compute_v1_865884756_6290
Let $S$ be the set of all integers $t$ such that $21 \le t \le 240$ and there exist positive integers $a \in \{1,2\}$ and $b \in \{1,2,\dots,35\}$ for which $t = 15a + 6b$. Let $a = |S|$, the number of elements in $S$. Compute $a \mod 25281$.
70
graphs = [ Graph( let={ "a": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=2)), Geq(left=Var(name='b'), right=Const(value=1...
NT
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
modular_mod_compute_v1
null
4
0
[ "LIN_FORM" ]
1
0.001
2026-02-08T19:08:03.005781Z
{ "verified": true, "answer": 70, "timestamp": "2026-02-08T19:08:03.006860Z" }
9f72a5
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 140, "completion_tokens": 2051 }, "timestamp": "2026-02-18T21:17:39.229Z", "answer": 70 }, { ...
1
[ { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "MAX_PRIME_BELOW", "status"...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
2ca178
antilemma_sum_equals_v1_1915831931_2705
Let $x$ be the number of ordered pairs $(i, j)$ of positive integers such that $i + j = 49$ and $1 \leq i, j \leq 49$. Compute $4096 - x$.
4,048
graphs = [ Graph( let={ "_n": Const(49), "x": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=Eq(Sum(Var("i"), Var("j")), Ref("_n")), domain=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(49)), right=IntegerRange(start=Const(1), end=Con...
COMB
GEOM
COMPUTE
sympy
COUNT_SUM_EQUALS
[ "COUNT_SUM_EQUALS" ]
75ab0f
antilemma_sum_equals_v1
null
3
0
[ "COUNT_SUM_EQUALS" ]
1
0.007
2026-02-08T17:04:03.543169Z
{ "verified": true, "answer": 4048, "timestamp": "2026-02-08T17:04:03.550290Z" }
37a2e5
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 95, "completion_tokens": 568 }, "timestamp": "2026-02-24T22:11:47.909Z", "answer": 4048 }, { ...
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", ...
{ "lo": -8.52, "mid": -5.43, "hi": -3.2 }
881778
algebra_vieta_sum_v1_784195855_451
Let $m$ be the number of integers $t$ such that $14 \leq t \leq 64$ and $t = 8a + 6b$ for some positive integers $a, b$ with $1 \leq a \leq 5$ and $1 \leq b \leq 4$. Let $n$ be the number of ordered pairs $(i, j)$ of positive integers with $1 \leq i \leq 5$, $1 \leq j \leq 15$, and $\gcd(i, j) = 1$. Determine the sum o...
14
graphs = [ Graph( let={ "_m": Const(4), "_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=Var(n...
NT
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM/COUNT_COPRIME_GRID" ]
fe0223
algebra_vieta_sum_v1
null
7
0
[ "COUNT_COPRIME_GRID", "LIN_FORM" ]
2
0.017
2026-02-08T04:23:47.761931Z
{ "verified": true, "answer": 14, "timestamp": "2026-02-08T04:23:47.779386Z" }
3b2eac
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 280, "completion_tokens": 2022 }, "timestamp": "2026-02-11T09:07:27.112Z", "answer": 14 }, { "id"...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "ok_later" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "MOD_ADD", ...
{ "lo": -5.55, "mid": -3.02, "hi": 0.31 }
8b2e60
geo_count_lattice_rect_v1_1520064083_8544
Let $a = 128$ and $b = 309$. Define the rectangle in the coordinate plane with vertices at $(0,0)$, $(a,0)$, $(0,b)$, and $(a,b)$. Compute the number of lattice points contained in this rectangle, including the boundary.
39,990
graphs = [ Graph( let={ "a": Const(128), "b": Const(309), "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
0.003
2026-02-08T10:15:02.365111Z
{ "verified": true, "answer": 39990, "timestamp": "2026-02-08T10:15:02.367958Z" }
40c6a8
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": 276 }, "timestamp": "2026-02-24T11:53:30.832Z", "answer": 39990 }, { "i...
1
[]
{ "lo": -4.92, "mid": -2.91, "hi": -0.68 }
93cffd
nt_min_coprime_above_v1_238844314_114
Let $a$ be the smallest integer $n$ such that $54289 < n \leq 54303$ and $\gcd(n, 4) = 1$. Let $b$ be the largest positive divisor of $14810932$ that does not exceed $3844$. Compute the remainder when $b - a$ is divided by $88008$.
37,561
graphs = [ Graph( let={ "start": Const(54289), "upper": Const(54303), "modulus": Const(4), "result": MinOverSet(set=SolutionsSet(var=Var("n"), condition=And(Gt(Var("n"), Ref("start")), Leq(Var("n"), Ref("upper")), Eq(GCD(a=Var("n"), b=Ref("modulus")), Const(1)...
NT
null
EXTREMUM
sympy
MAX_DIVISOR
[ "MAX_DIVISOR" ]
ad1a9b
nt_min_coprime_above_v1
negation_mod
4
0
[ "MAX_DIVISOR" ]
1
0.005
2026-02-08T13:07:42.277817Z
{ "verified": true, "answer": 37561, "timestamp": "2026-02-08T13:07:42.282702Z" }
d9995e
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 122, "completion_tokens": 5628 }, "timestamp": "2026-02-15T10:05:01.194Z", "answer": 37561 }, ...
1
[ { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MAX_DIVISOR", "status": "ok" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "V1", "status...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
6c134b
nt_sum_divisors_range_v1_124444284_5787
Let $n = 4$. Consider the set of all ordered pairs $(x,y)$ of positive integers such that $xy = 6250000$. Let $S$ be the set of all values of $x + y$ as $(x,y)$ ranges over these pairs. Define $u$ to be the minimum element of $S$. Let $T$ be the set of all positive integers $n$ such that $1 \leq n \leq u$. Compute the ...
25,768
graphs = [ Graph( let={ "_n": Const(4), "upper": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Mul(Var("x"), Var("y")), Const(6250000)))), expr=Sum(Var("x"), Var("y")...
NT
null
SUM
sympy
LIN_FORM
[ "B3" ]
0cd20d
nt_sum_divisors_range_v1
null
6
0
[ "B3", "LIN_FORM" ]
2
0.793
2026-02-08T06:51:10.209088Z
{ "verified": true, "answer": 25768, "timestamp": "2026-02-08T06:51:11.001985Z" }
8e6049
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 186, "completion_tokens": 3735 }, "timestamp": "2026-02-13T05:10:05.455Z", "answer": 25768 }, ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" } ]
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
bff756
sequence_fibonacci_compute_v1_1125832087_59
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 $F_1 = F_2 = 1$ and $F_k = F_{k-1} + F_{k-2}$ for $k \geq 3$. Compute the remainder when $|F_n|$ is divided by $67321$.
46,368
graphs = [ Graph( let={ "_n": Const(67321), "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
2026-02-08T02:51:09.666668Z
{ "verified": true, "answer": 46368, "timestamp": "2026-02-08T02:51:09.668039Z" }
c552c6
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 215, "completion_tokens": 570 }, "timestamp": "2026-02-10T11:41:28.147Z", "answer": 46368 }, { "i...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "K16", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "V3", "status": "no" }, { "lemma": "V8", "status": "no" } ]
{ "lo": -7.05, "mid": -4.76, "hi": -2.5 }
1418ff
modular_count_residue_v1_48377204_2137
Let $S$ be the set of all ordered pairs $(x,y)$ of positive integers such that $xy = 36$. Define $m$ to be the minimum value of $x + y$ as $(x,y)$ ranges over $S$. Find the number of positive integers $n$ such that $1 \leq n \leq 71824$ and $n \equiv 3 \pmod{m}$.
5,986
graphs = [ Graph( let={ "upper": Const(71824), "m": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Mul(Var("x"), Var("y")), Const(36)))), expr=Sum(Var("x"), Var("y")))...
NT
null
COUNT
sympy
B3
[ "B3" ]
0cd20d
modular_count_residue_v1
null
4
0
[ "B3" ]
1
3.84
2026-02-08T16:37:08.782289Z
{ "verified": true, "answer": 5986, "timestamp": "2026-02-08T16:37:12.622389Z" }
4bf8ab
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 132, "completion_tokens": 856 }, "timestamp": "2026-02-17T07:24:38.707Z", "answer": 5986 }, { ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "K14", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V1", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
a1470b
antilemma_sum_equals_v1_124444284_9754
Let $t$ be a positive integer. Define $n$ as the number of values of $t$ in the range $7 \leq t \leq 76$ for which there exist positive integers $a$ and $b$ such that $1 \leq a \leq 7$, $1 \leq b \leq 16$, and $t = 4a + 3b$. Now let $x$ be the number of ordered pairs $(i, j)$ of positive integers such that $1 \leq i \l...
7,531
graphs = [ Graph( let={ "_m": Const(44121), "_n": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=7)), Geq(left=V...
COMB
GEOM
COMPUTE
sympy
COMB1
[ "LIN_FORM/COUNT_SUM_EQUALS", "COUNT_SUM_EQUALS" ]
ada383
antilemma_sum_equals_v1
null
5
0
[ "COMB1", "COUNT_SUM_EQUALS", "LIN_FORM" ]
3
0.054
2026-02-08T12:39:49.414061Z
{ "verified": true, "answer": 7531, "timestamp": "2026-02-08T12:39:49.468414Z" }
5980dc
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 270, "completion_tokens": 4315 }, "timestamp": "2026-02-24T16:05:25.528Z", "answer": 7531 }, { "i...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V8", "status...
{ "lo": -2.35, "mid": 1.22, "hi": 4.84 }
a8cd8b
nt_num_divisors_compute_v1_153355830_434
Let $n$ be the number of integers $t$ with $24 \le t \le 1876$ for which there exist positive integers $a \le 427$ and $b \le 201$ such that $t = 2a + 5b + 17$. Determine the number of positive divisors of $n$.
3
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=427)), Geq(left=Var(name='b'), right=Const(value...
NT
null
COMPUTE
sympy
L3B
[ "LIN_FORM" ]
7b2633
nt_num_divisors_compute_v1
null
6
0
[ "L3B", "LIN_FORM" ]
2
0.043
2026-02-08T03:06:03.430911Z
{ "verified": true, "answer": 3, "timestamp": "2026-02-08T03:06:03.473848Z" }
28c8a9
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 182, "completion_tokens": 2862 }, "timestamp": "2026-02-10T12:39:19.719Z", "answer": 3 }, { "id"...
1
[ { "lemma": "K13", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": 1.96, "mid": 5.23, "hi": 8.52 }
9591da
v7_endings_v1_1874849503_412
Let $ S = \sum_{k=0}^{850} e_k $, where $ e_k $ is the largest integer $ e $ such that $ 5^e $ divides $ \binom{850}{k} $. Compute $ S $.
2,039
graphs = [ Graph( let={ "total": Summation(var="k", start=Const(0), end=Const(850), expr=MaxKDivides(target=Binom(n=Const(850), k=Var("k")), base=Const(5))), }, goal=Ref("total"), ) ]
NT
null
COMPUTE
sympy
V7
[ "V7" ]
0672d4
v7_endings_v1
null
6
null
[ "V7" ]
1
0.002
2026-02-08T13:03:11.753823Z
{ "verified": true, "answer": 2039, "timestamp": "2026-02-08T13:03:11.755407Z" }
59e217
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 161, "completion_tokens": 3562 }, "timestamp": "2026-02-09T16:32:37.737Z", "answer": 2039 }, { "i...
1
[ { "lemma": "K16", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "V7", "status": "ok" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -6.5, "mid": -0.2, "hi": 6.11 }
f1f891
antilemma_sum_equals_v1_1742523217_4508
Let $S$ be the set of all ordered pairs $(i, j)$ of positive integers such that $i + j = 96$, $1 \leq i \leq 94$, and $1 \leq j \leq 94$. Let $N$ be the number of elements in $S$. Define $m = N + 2$. The Fibonacci sequence is defined by $F_1 = 1$, $F_2 = 1$, and $F_k = F_{k-1} + F_{k-2}$ for $k \geq 3$. Let $k$ be the ...
90
graphs = [ Graph( let={ "x": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=Eq(Sum(Var("i"), Var("j")), Const(96)), domain=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(94)), right=IntegerRange(start=Const(1), end=Const(94))))), "Q": ...
COMB
GEOM
COMPUTE
sympy
COUNT_CARTESIAN
[ "COUNT_SUM_EQUALS" ]
75ab0f
antilemma_sum_equals_v1
null
3
0
[ "COUNT_CARTESIAN", "COUNT_SUM_EQUALS" ]
2
0.086
2026-02-08T08:53:25.790638Z
{ "verified": true, "answer": 90, "timestamp": "2026-02-08T08:53:25.876172Z" }
099229
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 263, "completion_tokens": 2704 }, "timestamp": "2026-02-24T10:10:17.023Z", "answer": 90 }, { "id"...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "stat...
{ "lo": -2.35, "mid": 1.22, "hi": 4.84 }
8a527f
nt_lcm_compute_v1_655260480_4280
Let $a = 2707$. Let $b$ be the number of integers $t$ with $8 \leq t \leq 551$ such that there exist positive integers $a_1$ and $b_1$, with $1 \leq a_1 \leq 61$ and $1 \leq b_1 \leq 82$, satisfying $t = 5a_1 + 3b_1$. Define $\text{result} = \text{lcm}(a, b)$. Let $Q$ be the remainder when $42624 \cdot \text{result}$ i...
19,473
graphs = [ Graph( let={ "_n": Const(97955), "a": Const(2707), "b": 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
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
nt_lcm_compute_v1
null
5
0
[ "LIN_FORM" ]
1
0.002
2026-02-08T17:50:57.006334Z
{ "verified": true, "answer": 19473, "timestamp": "2026-02-08T17:50:57.008639Z" }
6eb644
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 182, "completion_tokens": 6573 }, "timestamp": "2026-02-18T08:52:36.012Z", "answer": 19473 }, ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "V8", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
7cf129
comb_count_permutations_fixed_v1_1742523217_5115
Let $T$ be the set of all integers $t$ with $5 \leq t \leq 14$ for which there exist integers $a$ and $b$ such that $1 \leq a \leq 2$, $1 \leq b \leq 4$, and $t = 3a + 2b$. Let $n$ be the number of elements in $T$. Define $r = \binom{n}{0} \cdot !\!(n - 0)$, where $!k$ denotes the number of derangements of $k$ elements...
33,889
graphs = [ Graph( let={ "_n": Const(92874), "n": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=2)), Geq(left=Va...
COMB
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
comb_count_permutations_fixed_v1
null
4
0
[ "LIN_FORM" ]
1
0.003
2026-02-08T10:48:56.728820Z
{ "verified": true, "answer": 33889, "timestamp": "2026-02-08T10:48:56.731999Z" }
6a2fdc
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 259, "completion_tokens": 3367 }, "timestamp": "2026-02-24T12:19:42.895Z", "answer": 33889 }, { "...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V8_SUM", "st...
{ "lo": -2.35, "mid": 1.22, "hi": 4.84 }
e8fea9
nt_count_digit_sum_v1_1742523217_2654
Let $T$ be the set of all integers $t$ such that $9 \leq t \leq 40$ and $t = 5a + 4b$ for some positive integers $a \leq 4$ and $b \leq 5$. Let $s$ be the number of elements in $T$. Compute the number of positive integers $n \leq 50000$ such that the sum of the decimal digits of $n$ is equal to $s$. Determine the value...
3,256
graphs = [ Graph( let={ "upper": Const(50000), "target_sum": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=4)),...
NT
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
nt_count_digit_sum_v1
null
5
0
[ "LIN_FORM" ]
1
5.674
2026-02-08T04:53:59.350484Z
{ "verified": true, "answer": 3256, "timestamp": "2026-02-08T04:54:05.024692Z" }
0e0087
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 223, "completion_tokens": 3260 }, "timestamp": "2026-02-11T22:20:49.841Z", "answer": 3256 }, { "...
1
[ { "lemma": "K15", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V7", "status": "no" } ]
{ "lo": -3.42, "mid": 1.86, "hi": 7.55 }
989fdb
geo_visible_lattice_v1_1440796553_357
Let $n = 105$. A lattice point $(x, y)$ is called visible if $1 \leq x, y \leq n$ and $\gcd(x, y) = 1$. Compute the number of visible lattice points.
6,747
graphs = [ Graph( let={ "n": Const(105), "result": VisibleLatticePoints(n=Ref(name='n')), }, goal=Ref("result"), ) ]
GEOM
null
COUNT
sympy
[]
geo_visible_lattice_v1
null
3
0
null
null
0.243
2026-02-08T11:45:05.077971Z
{ "verified": true, "answer": 6747, "timestamp": "2026-02-08T11:45:05.321031Z" }
c5799d
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 162, "completion_tokens": 6221 }, "timestamp": "2026-02-24T14:38:25.743Z", "answer": 6747 }, { "i...
1
[]
{ "lo": -2.35, "mid": 1.22, "hi": 4.84 }
f8c9fe
alg_poly4_count_v1_1218484723_294
Let $C = \left|\{ p > 0 : \exists\, q \in \mathbb{Z} \text{ such that } pq = 13677313650,\ \gcd(p, q) = 1,\ p < q \}\right|$. Find the number of ordered pairs $(a, b)$ of positive integers with $1 \le a, b \le 330$ such that $C \cdot b^4 = 1310720000$.
330
graphs = [ Graph( let={ "_n": Const(330), "result": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), Const(330)), Geq(Var("b"), Const(1)), Leq(Var("b"), Ref("_n")), Eq(Mul(CountOverSet(set=SolutionsSet(var=Va...
NT
null
COUNT
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS" ]
2bb3aa
alg_poly4_count_v1
null
6
0
[ "COPRIME_PAIRS" ]
1
0.299
2026-02-25T01:59:17.872071Z
{ "verified": true, "answer": 330, "timestamp": "2026-02-25T01:59:18.170601Z" }
57bd90
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 1, "correct": { "strict": false, "boxed": false, "relaxed": true }, "usage": { "prompt_tokens": 212, "completion_tokens": 32768 }, "timestamp": "2026-03-10T09:27:16.561Z", "answer": null }, { ...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "V5", "status": "no"...
{ "lo": -0.93, "mid": 2.04, "hi": 4.6 }
1d99b9
alg_poly3_count_v1_601307018_10026
Find the number of ordered pairs $(a, b)$ of positive integers with $1 \le a, b \le 400$ such that $$152b^3 + \left|\left\{ (a_1, b_1) : 1 \le a_1, b_1 \le 35,\ -18a_1b_1 + 25b_1^2 + 10a_1^2 \le 1954 \right\}\right| \cdot a^3 + 456ab^2 + 456a^2b = 40977092672.$$
155
graphs = [ Graph( let={ "_n": Const(3), "result": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), Const(400)), Geq(Var("b"), Const(1)), Leq(Var("b"), Const(400)), Eq(Sum(Mul(Const(152), Pow(Var("b"), Ref("_n...
ALG
null
COUNT
sympy
QF_PSD_COUNT
[ "QF_PSD_COUNT_LEQ" ]
009d0f
alg_poly3_count_v1
null
6
0
[ "QF_PSD_COUNT", "QF_PSD_COUNT_LEQ" ]
2
2.318
2026-03-10T10:30:08.487083Z
{ "verified": true, "answer": 155, "timestamp": "2026-03-10T10:30:10.805500Z" }
f984a5
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 238, "completion_tokens": 4173 }, "timestamp": "2026-04-19T12:48:16.222Z", "answer": 155 }, { "i...
1
[ { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "QF_PSD_COUNT_LEQ", "status": "ok" } ]
{ "lo": -5.34, "mid": 1.1, "hi": 7.53 }
cc05d6
comb_catalan_compute_v1_397696148_1547
Let $C_{11}$ denote the 11th Catalan number. Let $c$ be the number of positive integers $t$ such that $15 \le t \le 16683$ and there exist positive integers $a$ and $b$ with $1 \le a \le 233$, $1 \le b \le 2431$, and $t = 9a + 6b$. Compute the remainder when $c - C_{11}$ is divided by $68482$.
15,251
graphs = [ Graph( let={ "n": Const(11), "result": Catalan(Ref("n")), "_c": 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...
COMB
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
324ba4
comb_catalan_compute_v1
negation_mod
5
0
[ "LIN_FORM" ]
1
0.004
2026-02-08T12:38:36.226736Z
{ "verified": true, "answer": 15251, "timestamp": "2026-02-08T12:38:36.230494Z" }
8a4b5a
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 215, "completion_tokens": 5096 }, "timestamp": "2026-02-24T16:00:27.191Z", "answer": 15251 }, { "...
1
[ { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ...
{ "lo": 1.15, "mid": 4.18, "hi": 6.61 }
82004e
comb_count_derangements_v1_1419126231_1661
Let $D_n$ denote the number of derangements of $n$ elements and $B_n$ the $n$-th Bell number. Let $N = D_7$. Let $T = \{ t : \text{there exist integers } a, b \text{ with } 1 \leq a \leq 3,\ 1 \leq b \leq 4,\ t = 9a + 6b,\ 15 \leq t \leq 51 \}$. Define $Q = B_{N \bmod |T|}$. Compute $Q$.
203
graphs = [ Graph( let={ "n": Const(7), "result": Subfactorial(arg=Ref(name='n')), "Q": Bell(Mod(value=Abs(arg=Ref(name='result')), modulus=CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq...
COMB
null
COUNT
sympy
HALFPLANE_COUNT
[ "LIN_FORM" ]
1ae498
comb_count_derangements_v1
bell_mod
4
0
[ "HALFPLANE_COUNT", "LIN_FORM" ]
2
0.012
2026-02-25T11:12:45.923872Z
{ "verified": true, "answer": 203, "timestamp": "2026-02-25T11:12:45.936113Z" }
a6005f
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": 755 }, "timestamp": "2026-03-30T13:25:39.479Z", "answer": 203 }, { "id"...
1
[ { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status": "no" ...
{ "lo": -5.37, "mid": 0.23, "hi": 5.22 }
470dbe
comb_sum_binomial_row_v1_168721529_63
Let $n = 2^{12}$. Compute the decimal representation of $n$. Let $D$ be the number of digits in $n$. For each digit position $i$ from $0$ to $D-1$, let $d_i$ be the $i$-th digit of $n$ (with $i=0$ being the units digit). Define $S = \sum_{i=0}^{D-1} d_i \cdot (i + 1)^2$. Let $p$ be the largest prime number such that $2...
149
graphs = [ Graph( let={ "_n": Const(2), "n": Const(12), "result": Pow(Ref("_n"), Ref("n")), "Q": Sum(Summation(var="i", start=Const(0), end=Sub(NumDigits(x=Abs(arg=Ref(name='result')), base=None), Const(1)), expr=Mul(Digit(x=Abs(arg=Ref(name='result')), k=Var(...
NT
null
SUM
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW" ]
38b8fc
comb_sum_binomial_row_v1
digits_weighted_mod
3
0
[ "MAX_PRIME_BELOW" ]
1
0.002
2026-02-08T12:47:36.857729Z
{ "verified": true, "answer": 149, "timestamp": "2026-02-08T12:47:36.860158Z" }
206ed3
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 248, "completion_tokens": 465 }, "timestamp": "2026-02-08T20:59:38.976Z", "answer": 149 }, { "id"...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "V8_SUM", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -5.3, "mid": -2.05, "hi": 1.82 }
317074_n
geo_count_lattice_rect_v1_1419126231_903
A grid artist paints dots at every lattice point $(x,y)$ within a rectangle bounded by $x = 0$ to $x = 324$ and $y = 0$ to $y = b$, where $b$ is the sum of the first $18$ positive integers. How many dots does the artist paint?
55,900
GEOM
GEOM
COUNT
sympy
SUM_ARITHMETIC
[ "SUM_ARITHMETIC" ]
eb34f0
geo_count_lattice_rect_v1
null
2
null
[ "SUM_ARITHMETIC" ]
1
0.001
2026-02-25T10:23:03.603838Z
null
378d7d
317074
narrative
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": 537 }, "timestamp": "2026-03-31T04:05:52.114Z", "answer": 55900 }, { "i...
1
[ { "lemma": "SUM_ARITHMETIC", "status": "ok" } ]
{ "lo": -5.37, "mid": 0.23, "hi": 5.22 }
70b83e
nt_sum_divisors_mod_v1_397696148_2266
Let $n$ be the minimum value of $x + y$ over all ordered pairs $(x,y)$ of positive integers such that $xy = 705600$. Let $\sigma$ denote the sum of all positive divisors of $n$. Find the remainder when $\sigma$ is divided by $10867$.
5,952
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(705600)))), expr=Sum(Var("x"), Var("y")))), "M": Const(10867...
NT
null
COMPUTE
sympy
B3
[ "B3" ]
0cd20d
nt_sum_divisors_mod_v1
null
6
0
[ "B3" ]
1
0.003
2026-02-08T13:04:35.736786Z
{ "verified": true, "answer": 5952, "timestamp": "2026-02-08T13:04:35.740119Z" }
30bae5
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 110, "completion_tokens": 1527 }, "timestamp": "2026-02-15T09:11:31.716Z", "answer": 5952 }, {...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
f72636
antilemma_k2_v1_124444284_710
Let $x = \sum_{k=1}^{70} \phi(k) \left\lfloor \frac{70}{k} \right\rfloor$, where $\phi(k)$ denotes Euler's totient function. Let $Q = 33411 - x$. Compute the value of $Q$.
30,926
graphs = [ Graph( let={ "x": Summation(var="k", start=Div(Const(53), Const(53)), end=Const(70), expr=Mul(EulerPhi(n=Var("k")), Floor(Div(Const(70), Var("k"))))), "_c": Const(33411), "Q": Sub(Ref("_c"), Ref("x")), }, goal=Ref("Q"), ) ]
NT
COMB
COMPUTE
sympy
IDENTITY_DIV_SELF
[ "IDENTITY_DIV_SELF", "K2" ]
39e678
antilemma_k2_v1
null
5
0
[ "IDENTITY_DIV_SELF", "K2" ]
2
0.001
2026-02-08T03:27:55.937648Z
{ "verified": true, "answer": 30926, "timestamp": "2026-02-08T03:27:55.938398Z" }
cd1471
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 174, "completion_tokens": 586 }, "timestamp": "2026-02-09T20:53:00.632Z", "answer": 30926 }, { "i...
1
[ { "lemma": "DS2", "status": "no" }, { "lemma": "IDENTITY_DIV_SELF", "status": "ok" }, { "lemma": "K17", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { ...
{ "lo": -3.53, "mid": 1.02, "hi": 5.49 }
bdadd4
sequence_lucas_compute_v1_655260480_1603
Let $m$ be the number of integers $t$ such that $10 \leq t \leq 30$ and there exist integers $a$ and $b$ with $1 \leq a \leq 3$, $1 \leq b \leq 3$, and $t = 4a + 6b$. Let $n$ be the minimum value of $x + y$ over all ordered pairs of positive integers $(x, y)$ such that $xy = m$. Define $s = \sum_{k=1}^{n} k$. Compute t...
24,476
graphs = [ Graph( let={ "_m": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=3)), Geq(left=Var(name='b'), right=Const(value=...
NT
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM/B3/SUM_ARITHMETIC" ]
d586f5
sequence_lucas_compute_v1
null
5
0
[ "B3", "LIN_FORM", "SUM_ARITHMETIC" ]
3
0.004
2026-02-08T16:15:00.333440Z
{ "verified": true, "answer": 24476, "timestamp": "2026-02-08T16:15:00.337210Z" }
f73798
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 222, "completion_tokens": 1022 }, "timestamp": "2026-02-17T00:01:10.280Z", "answer": 24476 }, ...
1
[ { "lemma": "B3", "status": "ok_later" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "SUM_ARITHMETIC", "status": "ok_later" }, { "lemma": "V8", "status":...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
8e565b
lin_form_endings_v1_349078426_774
Let $a = 70$, $b = 40$, $A = 25$, and $B = 57$. Let $g = \gcd(a, b)$, and define $a' = \left\lfloor \frac{a}{g} \right\rfloor$ and $b' = \left\lfloor \frac{b}{g} \right\rfloor$. Let $r = a'A + b'B - a'b'$. Multiply $r$ by $6837$, and compute the remainder when this product is divided by $55455$. Determine the value of ...
12,945
graphs = [ Graph( let={ "a_coeff": Const(70), "b_coeff": Const(40), "A_val": Const(25), "B_val": Const(57), "g_step": GCD(a=Ref("a_coeff"), b=Ref("b_coeff")), "ap_node": Floor(Div(Ref("a_coeff"), Ref("g_step"))), "bp_node": ...
COMB
NT
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
lin_form_endings_v1
null
3
null
[ "LIN_FORM" ]
1
0.002
2026-02-08T13:17:32.027104Z
{ "verified": true, "answer": 12945, "timestamp": "2026-02-08T13:17:32.029487Z" }
1fcd58
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 169, "completion_tokens": 1078 }, "timestamp": "2026-02-15T12:22:58.799Z", "answer": 12945 }, ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V8", "status...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
083aff
lin_form_endings_v1_677425708_3397
Determine the number of integers $t$ with $42 \leq t \leq 1422$ for which there exist positive integers $a$ and $b$ such that $1 \leq a \leq 39$, $1 \leq b \leq 21$, and $t = 30a + 12b$. Let $N$ be this number. Compute the remainder when $14264 \cdot N$ is divided by $53661$.
18,268
graphs = [ Graph( let={ "_inner_result": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=39)), Geq(left=Var(name='b'), right=...
COMB
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
lin_form_endings_v1
null
3
null
[ "LIN_FORM" ]
1
0.002
2026-02-08T05:41:21.382537Z
{ "verified": true, "answer": 18268, "timestamp": "2026-02-08T05:41:21.384045Z" }
55d3a6
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 210, "completion_tokens": 2191 }, "timestamp": "2026-02-24T04:14:35.690Z", "answer": 22263 }, { ...
1
[ { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "st...
{ "lo": 1.97, "mid": 4.36, "hi": 6.69 }
108227
modular_inverse_v1_2051736721_274
Let $a = 443$ and $m = 953$. Let $S$ be the set of all integers $t$ such that there exist integers $a$ and $b$ satisfying $1 \le a \le 40$, $1 \le b \le 175$, $11 \le t \le 980$, and $t = 7a + 4b$. Let $T$ be the set of all positive integers $x$ such that $1 \le x \le |S|$ and $ax \equiv 1 \pmod{m}$. Determine the valu...
256
graphs = [ Graph( let={ "a": Const(443), "m": Const(953), "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
EXTREMUM
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
modular_inverse_v1
null
5
0
[ "LIN_FORM" ]
1
0.074
2026-02-08T15:19:24.991929Z
{ "verified": true, "answer": 256, "timestamp": "2026-02-08T15:19:25.065946Z" }
a5f468
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": 4360 }, "timestamp": "2026-02-16T04:22:38.149Z", "answer": 256 }, { ...
1
[ { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
25b21f
nt_count_with_divisor_count_v1_1520064083_1187
Let $s$ be the minimum value of $x + y$ over all ordered pairs $(x,y)$ of positive integers such that $xy = 49$. Let $N$ be the number of positive integers $n$ such that $1 \le n \le 47089$ and the number of positive divisors of $n$ is exactly $s$. Compute the value of $N$.
149
graphs = [ Graph( let={ "_n": Const(49), "upper": Const(47089), "div_count": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Mul(Var("x"), Var("y")), Ref("_...
NT
null
COUNT
sympy
B3
[ "B3" ]
0cd20d
nt_count_with_divisor_count_v1
null
5
0
[ "B3" ]
1
2.237
2026-02-08T03:49:49.708808Z
{ "verified": true, "answer": 149, "timestamp": "2026-02-08T03:49:51.945922Z" }
6df581
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 192, "completion_tokens": 3004 }, "timestamp": "2026-02-10T14:40:14.187Z", "answer": 149 }, { "i...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "K17", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "V3", "status": "no" } ]
{ "lo": -3.49, "mid": 1.84, "hi": 7.55 }
dd529f_l
modular_product_range_v1_1125832087_1206
Let $c$ be the number of positive integers $p$ for which there exists a positive integer $q$ such that $pq = 36$, $\gcd(p, q) = 1$, and $p < q$. Let $n$ be the largest prime number that is at least $c$ and at most 4. Let $t_0$ be the number of integers $t$ with $12 \leq t \leq 218$ for which there exist integers $a$ an...
1
NT
null
COMPUTE
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW/MAX_PRIME_BELOW/LIN_FORM", "COPRIME_PAIRS/MAX_PRIME_BELOW/LIN_FORM" ]
510d65
modular_product_range_v1
null
7
0
[ "COPRIME_PAIRS", "LIN_FORM", "MAX_PRIME_BELOW" ]
3
0.006
2026-02-08T03:36:47.516470Z
{ "verified": false, "answer": 5578, "timestamp": "2026-02-08T03:36:47.522072Z" }
9d831b
dd529f
legacy_text
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 280, "completion_tokens": 17373 }, "timestamp": "2026-02-23T20:58:05.261Z", "answer": 5578 }, { ...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "K5", "status": ...
{ "lo": -3.42, "mid": 1.86, "hi": 7.55 }
159d56
diophantine_fbi2_min_v1_397696148_784
Let $k = 27$ and let $u = 37$. Let $D$ be the set of all integers $d$ such that $4 \le d \le 37$, $d$ divides 27, and $\frac{27}{d} \ge N$, where $N$ is the number of positive integers $p$ for which there exists a positive integer $q > p$ such that $pq = 24$ and $\gcd(p,q) = 1$. Let $d_{\min}$ be the smallest element o...
25,947
graphs = [ Graph( let={ "k": Const(27), "upper": Const(37), "result": MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(4)), Leq(Var("d"), Ref("upper")), Divides(divisor=Var("d"), dividend=Ref("k")), Geq(Div(Ref("k"), Var("d")), CountOverSet(set=...
NT
null
EXTREMUM
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS" ]
2bb3aa
diophantine_fbi2_min_v1
null
4
0
[ "COPRIME_PAIRS" ]
1
0.007
2026-02-08T11:44:14.393541Z
{ "verified": true, "answer": 25947, "timestamp": "2026-02-08T11:44:14.400236Z" }
ab8820
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 173, "completion_tokens": 1165 }, "timestamp": "2026-02-14T18:07:47.110Z", "answer": 25947 }, ...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "K15", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" } ]
{ "lo": -9.12, "mid": -6.02, "hi": -3.62 }
9bcf74
modular_min_linear_v1_1742523217_400
Let $a = 47784$, $b = 47508$, and $m = 64695$. Let $S$ be the set of all integers $x$ such that $$x \geq \sum_{d\mid \gcd(7,11)} \mu(d),$$ $$x \leq m,$$ and $$ax \equiv b \pmod{m}.$$ Let $r$ be the smallest element of $S$. Compute the remainder when $80039r$ is divided by $87097$.
39,611
graphs = [ Graph( let={ "a": Const(47784), "b": Const(47508), "m": Const(64695), "result": MinOverSet(set=SolutionsSet(var=Var("x"), condition=And(Geq(Var("x"), SumOverDivisors(n=GCD(a=Const(value=7), b=Const(value=11)), var='d', expr=MoebiusMu(n=Var(name='d')...
NT
null
EXTREMUM
sympy
MOBIUS_COPRIME
[ "MOBIUS_COPRIME" ]
ac54ac
modular_min_linear_v1
null
5
0
[ "MOBIUS_COPRIME" ]
1
3.168
2026-02-08T03:01:38.477957Z
{ "verified": true, "answer": 39611, "timestamp": "2026-02-08T03:01:41.645542Z" }
a22186
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 222, "completion_tokens": 7998 }, "timestamp": "2026-02-09T17:31:21.326Z", "answer": 39611 }, { "...
1
[ { "lemma": "K16", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MOBIUS_COPRIME", "status": "ok" }, { "lemma": "V3", "status": "no" }, { "lemma": "V5", "status": "no" }, { "lemma": "V7", "status": "no" } ]
{ "lo": -6.51, "mid": -0.31, "hi": 5.43 }
8a2f40
antilemma_coprime_grid_v1_124444284_941
Let $S$ be the set of all ordered pairs $(i, j)$ of positive integers with $1 \leq i \leq 12$ and $1 \leq j \leq 95$ such that $$ \gcd(i, j) = \sum_{d \mid \gcd(4,9)} \mu(d), $$ where $\mu$ denotes the M\"obius function. Determine the value of $|S|$.
714
graphs = [ Graph( let={ "x": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=Eq(GCD(a=Var("i"), b=Var("j")), SumOverDivisors(n=GCD(a=Const(value=4), b=Const(value=9)), var='d', expr=MoebiusMu(n=Var(name='d')))), domain=CartesianProduct(left=IntegerRange(start=Co...
NT
null
COMPUTE
sympy
MOBIUS_COPRIME
[ "MOBIUS_COPRIME", "COUNT_COPRIME_GRID" ]
db308f
antilemma_coprime_grid_v1
null
4
0
[ "COUNT_COPRIME_GRID", "MOBIUS_COPRIME" ]
2
0.001
2026-02-08T03:36:24.721496Z
{ "verified": true, "answer": 714, "timestamp": "2026-02-08T03:36:24.722226Z" }
eb600a
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": 2987 }, "timestamp": "2026-02-10T00:18:44.226Z", "answer": 714 }, { "id...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "ok" }, { "lemma": "K14", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, {...
{ "lo": -6.51, "mid": -0.31, "hi": 5.43 }