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8c81a1
nt_num_divisors_compute_v1_1742523217_2105
Let $n = 8192$. Determine the number of positive divisors of $n$.
14
graphs = [ Graph( let={ "n": Const(8192), "result": NumDivisors(n=Ref("n")), }, goal=Ref("result"), ) ]
NT
null
COMPUTE
sympy
B3
[ "B3" ]
0cd20d
nt_num_divisors_compute_v1
null
2
0
[ "B3" ]
1
0.022
2026-02-08T04:28:02.743451Z
{ "verified": true, "answer": 14, "timestamp": "2026-02-08T04:28:02.765242Z" }
a8e144
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 129, "completion_tokens": 285 }, "timestamp": "2026-02-10T16:42:59.990Z", "answer": 14 }, { "id"...
2
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "V3", "status": "no" }, { "lemma": "V5", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -10, "mid": -7.73, "hi": -5.46 }
8e6012
algebra_poly_eval_v1_655260480_5539
Let $t = 8$. Let $A$ be the set of all ordered pairs $(x, y)$ of positive integers such that $xy = 259081$, and let $s_1 = \min\{x + y : (x, y) \in A\}$. Let $B$ be the set of all ordered pairs $(x_1, y_1)$ of positive integers such that $x_1 y_1 = 59049$, and let $s_2 = \min\{x_1 + y_1 : (x_1, y_1) \in B\}$. Compute $...
3,753
graphs = [ Graph( let={ "_m": Const(36), "_n": Const(336), "t": Const(8), "result": Div(Sum(Mul(Ref("_m"), Pow(Ref("t"), Const(5))), Mul(Ref("_n"), Pow(Ref("t"), Const(4))), Mul(MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]...
NT
null
COMPUTE
sympy
B3
[ "B3" ]
0cd20d
algebra_poly_eval_v1
null
5
0
[ "B3" ]
1
0.007
2026-02-08T18:33:13.923522Z
{ "verified": true, "answer": 3753, "timestamp": "2026-02-08T18:33:13.930800Z" }
f8ec86
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 225, "completion_tokens": 2306 }, "timestamp": "2026-02-18T17:30:42.821Z", "answer": 3753 }, {...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
0111e8
comb_count_permutations_fixed_v1_48377204_1783
Let $n$ be the smallest divisor of $1225$ that is at least $2$. Compute the value of $\binom{n}{0} \cdot !(n - 0)$, where $!k$ denotes the number of derangements of $k$ elements, and then find the remainder when this value is multiplied by $44121$ and divided by $98513$.
69,577
graphs = [ Graph( let={ "_n": Const(98513), "n": MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(2)), Divides(divisor=Var("d"), dividend=Const(1225))))), "k": Const(0), "result": Mul(Binom(n=Ref("n"), k=Ref("k")), Subfactorial(arg=S...
NT
COMB
COUNT
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR" ]
bc3776
comb_count_permutations_fixed_v1
null
3
0
[ "MIN_PRIME_FACTOR" ]
1
0.003
2026-02-08T16:23:36.352951Z
{ "verified": true, "answer": 69577, "timestamp": "2026-02-08T16:23:36.356105Z" }
62dcc1
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": 1051 }, "timestamp": "2026-02-17T02:54:54.219Z", "answer": 69577 }, ...
1
[ { "lemma": "K17", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V7", "status...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
b16b84
geo_count_lattice_rect_v1_1742523217_4592
Let $a = 81$ and $b = 269$. Consider the rectangle with vertices at $(0,0)$, $(a,0)$, $(0,b)$, and $(a,b)$. Let $R$ be the number of lattice points (points with integer coordinates) that lie inside or on the boundary of this rectangle. Compute the remainder when $65648 \cdot R$ is divided by $65223$.
17,388
graphs = [ Graph( let={ "a": Const(81), "b": Const(269), "result": LatticePointsRect(a=Ref(name='a'), b=Ref(name='b')), "Q": Mod(value=Mul(Const(65648), Ref("result")), modulus=Const(65223)), }, goal=Ref("Q"), ) ]
GEOM
null
COUNT
sympy
[]
geo_count_lattice_rect_v1
null
3
0
null
null
0.002
2026-02-08T08:58:35.843645Z
{ "verified": true, "answer": 17388, "timestamp": "2026-02-08T08:58:35.845713Z" }
2ab902
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 199, "completion_tokens": 986 }, "timestamp": "2026-02-24T10:16:39.941Z", "answer": 17388 }, { "i...
1
[]
{ "lo": -2.35, "mid": 1.22, "hi": 4.84 }
f23959
comb_sum_binomial_row_v1_1419126231_1856
Let $n$ be the number of ordered pairs $(a, b)$ of positive integers with $1 \le a \le b \le 20$ such that $32b^2 + 32a^2 - 64ab = 1568$. Compute $2^n$.
8,192
graphs = [ Graph( let={ "_n": Const(20), "n": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), Ref("_n")), Geq(Var("b"), Const(1)), Leq(Var("b"), Const(20)), Leq(Var("a"), Var("b")), Eq(Sum(Mul(Const(32), Pow...
COMB
null
SUM
sympy
QF_PSD_ORBIT
[ "QF_PSD_ORBIT" ]
1d37f3
comb_sum_binomial_row_v1
null
4
0
[ "QF_PSD_ORBIT" ]
1
0.001
2026-02-25T11:24:23.100245Z
{ "verified": true, "answer": 8192, "timestamp": "2026-02-25T11:24:23.101702Z" }
dad008
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 170, "completion_tokens": 595 }, "timestamp": "2026-03-30T14:19:37.436Z", "answer": 8192 }, { "id...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "QF_PSD_ORBIT", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8_SUM", "status": "n...
{ "lo": -5.37, "mid": 0.23, "hi": 5.22 }
58cb24
geo_visible_lattice_v1_1470522791_1463
Let $n = 99$. Define $L$ to be the number of visible lattice points $(x, y)$ such that $1 \leq x, y \leq n$ and $\gcd(x, y) = 1$. Compute the remainder when $44121 \cdot L$ is divided by $80491$.
58,475
graphs = [ Graph( let={ "n": Const(99), "result": VisibleLatticePoints(n=Ref(name='n')), "Q": Mod(value=Mul(Const(44121), Ref("result")), modulus=Const(80491)), }, goal=Ref("Q"), ) ]
GEOM
null
COUNT
sympy
[]
geo_visible_lattice_v1
null
4
0
null
null
0.46
2026-02-08T13:40:42.381160Z
{ "verified": true, "answer": 58475, "timestamp": "2026-02-08T13:40:42.841040Z" }
05d758
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": 9344 }, "timestamp": "2026-02-24T18:50:51.316Z", "answer": 58475 }, { "...
1
[]
{ "lo": 1.15, "mid": 4.18, "hi": 6.61 }
18beae
nt_count_with_divisor_count_v1_1918700295_1127
Let $A$ be the number of positive integers $p$ for which there exists a positive integer $q$ such that $p \cdot q = 24$, $\gcd(p, q) = 1$, and $p < q$. Let $B$ be the number of positive integers $n \leq 70756$ that have exactly two positive divisors. Let $C$ be the number of ordered pairs $(x_1, x_2)$ of positive odd i...
7,705
graphs = [ Graph( let={ "_m": Const(15842), "_n": CountOverSet(set=SolutionsSet(var=Var("p"), condition=And(IsPositive(arg=Var(name='p')), Exists(var=Var(name='q'), condition=And(Eq(left=Mul(Var(name='p'), Var(name='q')), right=Const(value=24)), Eq(left=GCD(a=Var(name='p'), b=Var(nam...
NT
null
COUNT
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS/COMB1" ]
a141ad
nt_count_with_divisor_count_v1
quadratic_mod
5
0
[ "COMB1", "COPRIME_PAIRS" ]
2
4.703
2026-02-08T05:36:09.410865Z
{ "verified": true, "answer": 7705, "timestamp": "2026-02-08T05:36:14.113699Z" }
bb1445
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": 2602 }, "timestamp": "2026-02-12T11:02:35.458Z", "answer": 7705 }, {...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COMB1", "status": "ok_later" }, { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "K17", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma...
{ "lo": -3.51, "mid": 1.33, "hi": 6.56 }
988efd
comb_count_surjections_v1_153355830_239
Let $n$ be the number of ordered pairs $(x_1, x_2)$ of positive odd integers such that $x_1 + x_2 = 14$. Let $k = 5$. Define $\text{result} = k! \cdot S(n, k)$, where $S(n, k)$ denotes the Stirling number of the second kind. Compute $38416 - \text{result}$.
21,616
graphs = [ Graph( let={ "_n": Const(14), "n": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x1"), Var("x2")]), condition=And(IsPositive(arg=Var(name='x1')), IsPositive(arg=Var(name='x2')), IsOdd(arg=Var(name='x1')), IsOdd(arg=Var(name='x2')), Eq(Sum(Var("x1"), Var("x2")), Re...
COMB
null
COUNT
sympy
COMB1
[ "COMB1" ]
567f58
comb_count_surjections_v1
null
6
0
[ "COMB1" ]
1
0.002
2026-02-08T02:58:43.360174Z
{ "verified": true, "answer": 21616, "timestamp": "2026-02-08T02:58:43.362216Z" }
9daad6
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 200, "completion_tokens": 860 }, "timestamp": "2026-02-10T12:25:26.678Z", "answer": 21616 }, { "i...
1
[ { "lemma": "COMB1", "status": "ok" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "statu...
{ "lo": -0.05, "mid": 2.89, "hi": 5.27 }
4ee015
diophantine_product_count_v1_717093673_1153
Let $x$ and $y$ be positive integers such that $x + y = 76$. Consider the set of all such pairs $(x, y)$ that maximize the product $xy$. Let $N$ be the maximum value of $xy$ over all such pairs. Now, let $S$ be the set of all pairs of positive integers $(x_1, y_1)$ such that $x_1 y_1 = N$. Define $M$ to be the minimum ...
14
graphs = [ Graph( let={ "_n": MaxOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Sum(Var("x"), Var("y")), Const(76)))), expr=Mul(Var("x"), Var("y")))), "k": Const(120), ...
NT
null
COUNT
sympy
MIN_PRIME_FACTOR
[ "B1/B3" ]
80b49d
diophantine_product_count_v1
null
6
0
[ "B1", "B3", "MIN_PRIME_FACTOR" ]
3
0.045
2026-02-08T15:53:26.851895Z
{ "verified": true, "answer": 14, "timestamp": "2026-02-08T15:53:26.896949Z" }
752b60
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 214, "completion_tokens": 1766 }, "timestamp": "2026-02-16T15:28:23.330Z", "answer": 14 }, { ...
1
[ { "lemma": "B1", "status": "ok" }, { "lemma": "B3", "status": "ok_later" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lem...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
8a2689
nt_count_divisible_and_v1_677425708_560
Let $N$ be the number of positive integers $n$ such that $n \leq 46224$, $n$ is divisible by 6, and $n$ is divisible by 8. Compute $$ \sum_{k=1}^{|N|} \tau(k), $$ where $\tau(k)$ denotes the number of positive divisors of $k$.
14,877
graphs = [ Graph( let={ "upper": Const(46224), "d1": Const(6), "d2": Const(8), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("upper")), Eq(Mod(value=Var("n"), modulus=Ref("d1")), Const(0)), Eq(Mo...
NT
null
COUNT
sympy
ONE_PHI_1
[ "ONE_PHI_1" ]
f6b5a5
nt_count_divisible_and_v1
null
3
0
[ "ONE_PHI_1" ]
1
1.556
2026-02-08T03:35:53.770860Z
{ "verified": true, "answer": 14877, "timestamp": "2026-02-08T03:35:55.326617Z" }
ad5d61
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 194, "completion_tokens": 5366 }, "timestamp": "2026-02-08T20:45:58.915Z", "answer": 14879 }, { ...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "ONE_PHI_1", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V3", "st...
{ "lo": 1.69, "mid": 5.03, "hi": 8.38 }
d463bf
alg_qf_psd_sum_v1_1419126231_430
Compute the remainder when $$\sum_{\substack{1 \le a \le 351 \\ 1 \le b \le 351}} (5a^2 + b^2 + 2ab)$$ is divided by $74212$.
10,148
graphs = [ Graph( let={ "result": Mod(value=SumOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), Const(351)), Geq(Var("b"), Const(1)), Leq(Var("b"), Const(351)))), expr=Sum(Mul(Const(5), Pow(Var("a"), Const(2)))...
ALG
null
COMPUTE
sympy
SUM_ARITHMETIC
[ "SUM_ARITHMETIC/QF_PSD_COUNT_LEQ" ]
6e1a47
alg_qf_psd_sum_v1
null
3
null
[ "QF_PSD_COUNT_LEQ", "SUM_ARITHMETIC" ]
2
0.265
2026-02-25T09:58:01.547916Z
{ "verified": true, "answer": 10148, "timestamp": "2026-02-25T09:58:01.812444Z" }
6137a1
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": 4857 }, "timestamp": "2026-03-30T08:26:39.875Z", "answer": 10148 }, { "...
1
[ { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "QF_PSD_COUNT_LEQ", "status": "ok_later" }, { "lemma": "SUM_ARITHMETIC", "status": "ok" } ]
{ "lo": -5.37, "mid": 0.23, "hi": 5.22 }
68f3ee
geo_visible_lattice_v1_1742523217_2141
Let $n = 55$. Define $\text{result}$ to be the number of visible lattice points $(x, y)$ with $1 \leq x, y \leq n$, where a point $(x, y)$ is visible if $\gcd(x, y) = 1$. Let $Q$ be the remainder when $54658 \cdot \text{result}$ is divided by $98505$. Compute $Q$.
60,172
graphs = [ Graph( let={ "n": Const(55), "result": VisibleLatticePoints(n=Ref(name='n')), "Q": Mod(value=Mul(Const(54658), Ref("result")), modulus=Const(98505)), }, goal=Ref("Q"), ) ]
GEOM
null
COUNT
sympy
[]
geo_visible_lattice_v1
null
5
0
null
null
0.302
2026-02-08T04:30:10.832234Z
{ "verified": true, "answer": 60172, "timestamp": "2026-02-08T04:30:11.133784Z" }
cc83a9
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 202, "completion_tokens": 5977 }, "timestamp": "2026-02-24T01:05:51.125Z", "answer": 60172 }, { "...
1
[]
{ "lo": -2.46, "mid": 0.47, "hi": 3.59 }
3902e7
nt_count_divisible_and_v1_1918700295_3728
Let $n$ be the number of ordered pairs $(a,b)$ where $a$ is an integer from 1 to 48 and $b$ is an integer from 1 to 107. Let $d_1$ be the number of nonnegative integers $j \leq n$ such that $\binom{5136}{j}$ is odd. Determine the number of positive integers $m$ such that $1 \leq m \leq 82920$, $m$ is divisible by $d_1$...
3,455
graphs = [ Graph( let={ "_m": Const(2), "_n": CountOverSet(set=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(48)), right=IntegerRange(start=Const(1), end=Const(107)))), "upper": Const(82920), "d1": CountOverSet(set=SolutionsSet(var=Var("j"), con...
ALG
COMB
COUNT
sympy
COUNT_CARTESIAN
[ "COUNT_CARTESIAN/V8" ]
565c9e
nt_count_divisible_and_v1
null
5
0
[ "COUNT_CARTESIAN", "V8" ]
2
6.879
2026-02-08T08:50:20.311804Z
{ "verified": true, "answer": 3455, "timestamp": "2026-02-08T08:50:27.191196Z" }
df1b29
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 234, "completion_tokens": 1550 }, "timestamp": "2026-02-24T10:10:33.977Z", "answer": 3455 }, { "i...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "ok" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V8"...
{ "lo": -2.35, "mid": 1.22, "hi": 4.84 }
06c4d4
geo_count_lattice_rect_v1_124444284_5054
Let $a = 181$ and $b = 71$. Compute the number of lattice points $(x, y)$ such that $0 \leq x \leq a$ and $0 \leq y \leq b$.\n\nFind the value of this number.
13,104
graphs = [ Graph( let={ "a": Const(181), "b": Const(71), "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
2026-02-08T06:22:23.832931Z
{ "verified": true, "answer": 13104, "timestamp": "2026-02-08T06:22:23.833746Z" }
a749b1
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 170, "completion_tokens": 226 }, "timestamp": "2026-02-24T06:04:38.850Z", "answer": 13104 }, { "i...
1
[]
{ "lo": -5.98, "mid": -3.97, "hi": -1.94 }
38811c
v1_endings_v1_1742523217_1061
Let $n = 23681$. Let $v_5(k)$ denote the largest integer $k$ such that $5^k$ divides $k!$. Compute the value of $v_5((2n)!) - v_5(n!) - n \cdot v_5(2)$.
5,920
graphs = [ Graph( let={ "n_val": Const(23681), "two_n_val": Const(47362), "p_val": Const(5), "two": Const(2), "fact_2n": Factorial(Ref("two_n_val")), "fact_n": Factorial(Ref("n_val")), "vp_2n": MaxKDivides(target=Ref("fact_2...
NT
null
COMPUTE
sympy
V1
[ "V1" ]
dae96f
v1_endings_v1
null
6
null
[ "V1" ]
1
0.001
2026-02-08T03:24:03.549359Z
{ "verified": true, "answer": 5920, "timestamp": "2026-02-08T03:24:03.550260Z" }
78e8fb
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": 1637 }, "timestamp": "2026-02-10T02:42:12.681Z", "answer": 5920 }, { "i...
1
[ { "lemma": "K13", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K5", "status": "same_pattern_wrong" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V1", "status":...
{ "lo": -6.51, "mid": -0.31, "hi": 5.43 }
71e288
nt_max_prime_below_v1_865884756_4215
Let $A$ be the set of all ordered pairs $(p, q)$ of positive integers such that $pq = 54$, $\gcd(p, q) = 1$, and $p < q$. Let $s = |A|$. Let $B$ be the set of all prime numbers $n$ such that $s \leq n \leq 33333$. Compute the largest element of $B$.
33,331
graphs = [ Graph( let={ "upper": Const(33333), "result": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), CountOverSet(set=SolutionsSet(var=Var("p"), condition=And(IsPositive(arg=Var(name='p')), Exists(var=Var(name='q'), condition=And(Eq(left=Mul(Var(name='p'), V...
NT
null
EXTREMUM
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS" ]
2bb3aa
nt_max_prime_below_v1
null
4
0
[ "COPRIME_PAIRS" ]
1
0.799
2026-02-08T17:47:12.619321Z
{ "verified": true, "answer": 33331, "timestamp": "2026-02-08T17:47:13.417952Z" }
a3a676
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 133, "completion_tokens": 3212 }, "timestamp": "2026-02-18T08:20:33.349Z", "answer": 33331 }, ...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "V3", "status": "no" }, { "lemma": "V8", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
75692d
comb_count_permutations_fixed_v1_151522320_1672
Let $n$ be the largest prime number satisfying $2 \leq n \leq 7$. Let $k = 2$. Define $r = \binom{n}{k} \cdot !(n - k)$, where $!m$ denotes the number of derangements of $m$ elements. Let $Q$ be the remainder when $54947 \cdot r$ is divided by $80666$. Compute $Q$.
32,114
graphs = [ Graph( let={ "_n": Const(2), "n": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Ref("_n")), Leq(Var("n"), Const(7)), IsPrime(Var("n"))))), "k": Const(2), "result": Mul(Binom(n=Ref("n"), k=Ref("k")), Subfactorial(arg=Sub(left=...
NT
COMB
COUNT
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW" ]
dc3ad3
comb_count_permutations_fixed_v1
null
3
0
[ "MAX_PRIME_BELOW" ]
1
0.001
2026-02-08T04:10:51.993620Z
{ "verified": true, "answer": 32114, "timestamp": "2026-02-08T04:10:51.994845Z" }
0cb56c
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 204, "completion_tokens": 945 }, "timestamp": "2026-02-10T15:38:24.628Z", "answer": 32114 }, { "...
1
[ { "lemma": "DS2", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "V1", "status": "no" } ]
{ "lo": -3.42, "mid": 1.86, "hi": 7.55 }
2428d2
nt_count_phi_equals_v1_784195855_4410
Let $k = 1440$ and let $N$ be the number of positive integers $n$ with $1 \leq n \leq 2028$ such that $\phi(n) = k$. Compute $N$.
4
graphs = [ Graph( let={ "upper": Const(2028), "k": Const(1440), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("upper")), Eq(EulerPhi(n=Var("n")), Ref("k"))))), }, goal=Ref("result"), ) ]
NT
null
COUNT
sympy
COUNT_COPRIME_GRID
[ "LIN_FORM", "B3" ]
688dbe
nt_count_phi_equals_v1
null
6
0
[ "B3", "COUNT_COPRIME_GRID", "LIN_FORM" ]
3
4.628
2026-02-08T07:05:12.974919Z
{ "verified": true, "answer": 4, "timestamp": "2026-02-08T07:05:17.602660Z" }
49aba4
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 94, "completion_tokens": 6546 }, "timestamp": "2026-02-13T07:38:33.433Z", "answer": 4 }, { ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "K14", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MAX...
{ "lo": -5.55, "mid": -3.01, "hi": 0.32 }
104a9e
antilemma_sum_equals_v1_865884756_2631
Let $n$ be the number of ordered pairs $(i, j)$ such that $1 \leq i \leq 2$ and $1 \leq j \leq 17$. Let $x$ be the number of ordered pairs $(i, j)$ with $1 \leq i \leq 32$, $1 \leq j \leq 33$, and $i + j = n$. Let $m = |x| + 2$. The Fibonacci sequence is defined by $F_1 = 1$, $F_2 = 1$, and $F_k = F_{k-1} + F_{k-2}$ fo...
9
graphs = [ Graph( let={ "_n": CountOverSet(set=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(2)), right=IntegerRange(start=Const(1), end=Const(17)))), "x": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=Eq(Sum(Var("i"), Var("j")), Ref...
COMB
GEOM
COMPUTE
sympy
COUNT_SUM_EQUALS
[ "COUNT_CARTESIAN/COUNT_SUM_EQUALS", "COUNT_SUM_EQUALS" ]
8bee9e
antilemma_sum_equals_v1
null
4
0
[ "COUNT_CARTESIAN", "COUNT_SUM_EQUALS" ]
2
0.047
2026-02-08T16:51:36.903764Z
{ "verified": true, "answer": 9, "timestamp": "2026-02-08T16:51:36.950707Z" }
5a8954
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 210, "completion_tokens": 1237 }, "timestamp": "2026-02-17T12:48:56.186Z", "answer": 9 }, { ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no...
{ "lo": -5.64, "mid": -3.17, "hi": -0.81 }
a6e11f
geo_count_lattice_rect_v1_784195855_6608
Compute the number of lattice points $(x, y)$ such that $0 \leq x \leq 128$ and $0 \leq y \leq 275$.
35,604
graphs = [ Graph( let={ "a": Const(128), "b": Const(275), "result": LatticePointsRect(a=Ref(name='a'), b=Ref(name='b')), "Q": Abs(arg=Ref(name='result')), }, goal=Ref("Q"), ) ]
GEOM
null
COUNT
sympy
[]
geo_count_lattice_rect_v1
null
5
0
null
null
0.001
2026-02-08T08:45:11.466304Z
{ "verified": true, "answer": 35604, "timestamp": "2026-02-08T08:45:11.467256Z" }
358ce5
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 148, "completion_tokens": 246 }, "timestamp": "2026-02-24T09:55:16.484Z", "answer": 35604 }, { "i...
1
[]
{ "lo": -3.84, "mid": -1.67, "hi": 1.32 }
0a21d2
nt_count_divisible_and_v1_1520064083_8538
Let $d_1 = \sum_{k=1}^{3} \phi(k) \left\lfloor \frac{3}{k} \right\rfloor$ and $d_2 = 9$. Let $S$ be the set of all positive integers $n$ such that $1 \leq n \leq 83466$, $n$ is divisible by $d_1$, and $n$ is divisible by $d_2$. Let $r$ be the number of elements in $S$. Compute the value of $B_{|r| \bmod 11}$, where $...
203
graphs = [ Graph( let={ "_n": Const(11), "upper": Const(83466), "d1": Summation(var="k", start=Const(1), end=Const(3), expr=Mul(EulerPhi(n=Var("k")), Floor(Div(Const(3), Var("k"))))), "d2": Const(9), "result": CountOverSet(set=SolutionsSet(var=Var(...
NT
COMB
COUNT
sympy
K2
[ "K2" ]
6897ab
nt_count_divisible_and_v1
null
5
0
[ "K2" ]
1
12.204
2026-02-08T10:14:40.842526Z
{ "verified": true, "answer": 203, "timestamp": "2026-02-08T10:14:53.046881Z" }
c19d2a
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 184, "completion_tokens": 747 }, "timestamp": "2026-02-14T06:52:19.248Z", "answer": 203 }, { ...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" ...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
7ba5aa
comb_count_surjections_v1_168721529_779
Let $n_2 = 5$. Define $m = \sum_{k=0}^{n_2} (-1)^k \binom{n_2}{k}$. Let $n_1 = 0$ and define $t = \sum_{k=0}^{n_1} (-1)^k \binom{n_1}{k}$. Let $n = 4$ and let $k = (3 + m) \cdot t$. Compute $k! \cdot S(n, k)$, where $S(n, k)$ denotes the Stirling number of the second kind.
36
graphs = [ Graph( let={ "n2": Const(5), "m": Summation(var="k", start=Const(0), end=Ref("n2"), expr=Mul(Pow(Const(-1), Var("k")), Binom(n=Ref("n2"), k=Var("k")))), "n1": Const(0), "t": Summation(var="k", start=Const(0), end=Ref("n1"), expr=Mul(Pow(Const(-1), V...
COMB
null
COUNT
sympy
BINOMIAL_ALTERNATING
[ "BINOMIAL_ALTERNATING" ]
c21569
comb_count_surjections_v1
null
4
2
[ "BINOMIAL_ALTERNATING" ]
1
0.002
2026-02-08T13:17:26.273675Z
{ "verified": true, "answer": 36, "timestamp": "2026-02-08T13:17:26.275355Z" }
8737cc
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 245, "completion_tokens": 608 }, "timestamp": "2026-02-09T09:04:06.044Z", "answer": 36 }, { "id":...
1
[ { "lemma": "BINOMIAL_ALTERNATING", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8_SUM", "sta...
{ "lo": -5.98, "mid": -3.99, "hi": -2 }
d36084
comb_count_permutations_fixed_v1_784195855_8013
Let $n = \sum_{k=1}^{3} \phi(k) \left\lfloor \frac{3}{k} \right\rfloor$, where $\phi$ is Euler's totient function. Compute $\binom{n}{2} \cdot !(n-2)$, where $!m$ denotes the number of derangements of $m$ elements.
135
graphs = [ Graph( let={ "_n": Summation(var="k", start=Const(1), end=Const(2), expr=Var("k")), "n": Summation(var="k", start=Const(1), end=Const(3), expr=Mul(EulerPhi(n=Var("k")), Floor(Div(Ref("_n"), Var("k"))))), "k": Const(2), "result": Mul(Binom(n=Ref("n")...
NT
COMB
COUNT
sympy
SUM_ARITHMETIC
[ "SUM_ARITHMETIC/K2" ]
06cc86
comb_count_permutations_fixed_v1
null
4
0
[ "K2", "SUM_ARITHMETIC" ]
2
0.002
2026-02-08T09:39:38.065599Z
{ "verified": true, "answer": 135, "timestamp": "2026-02-08T09:39:38.067326Z" }
be2fa6
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 138, "completion_tokens": 651 }, "timestamp": "2026-02-15T21:02:28.625Z", "answer": 135 }, { "id": 11, ...
2
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "K2", "status": "ok_later" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "SUM_ARITHMETIC", "status": ...
{ "lo": -9.12, "mid": -6.02, "hi": -3.62 }
71c329
alg_qf_psd_min_v1_1218484723_3791
Let $N$ be the number of ordered pairs $(a_1,b_1)$ of integers with $1 \le a_1 \le 25$ and $1 \le b_1 \le 25$ such that $$20b_1^{2} - 12a_1b_1 + 41a_1^{2} \le 19792.$$ Let $S$ be the number of integers $v$ with $17 \le v \le N$ for which there exist integers $a,b$ with $1 \le a \le 5$ and $1 \le b \le 5$ such that $$16...
83,611
graphs = [ Graph( let={ "_m": Const(27640), "_n": Const(17), "result": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b"), Var("c"), Var("d")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), Const(22)), Geq(Var("b"), Const(1)), Leq(Va...
ALG
null
COMPUTE
sympy
QF_PSD_COUNT_LEQ
[ "QF_PSD_COUNT_LEQ/QF_PSD_DISTINCT" ]
0cf842
alg_qf_psd_min_v1
null
7
0
[ "QF_PSD_COUNT_LEQ", "QF_PSD_DISTINCT" ]
2
1.07
2026-02-25T05:26:18.192021Z
{ "verified": true, "answer": 83611, "timestamp": "2026-02-25T05:26:19.262241Z" }
56621d
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 419, "completion_tokens": 32768 }, "timestamp": "2026-03-29T12:19:05.936Z", "answer": null }, { ...
1
[ { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "QF_PSD_COUNT_LEQ", "status": "ok" }, { "lemma": "QF_PSD_DISTINCT", "status": "ok_later" } ]
{ "lo": 1.55, "mid": 4.7, "hi": 7.23 }
4c674c
nt_min_phi_inverse_v1_1978505735_6947
Let $S$ be the set of all ordered pairs of positive integers $(x, y)$ such that $x + y = 20$. Let $M$ be the maximum value of $xy$ over all such pairs. Let $k = 24$. Determine the smallest positive integer $n \leq M$ such that $\phi(n) = k$.
35
graphs = [ Graph( let={ "_n": Const(20), "upper": MaxOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Sum(Var("x"), Var("y")), Ref("_n")))), expr=Mul(Var("x"), Var("y")))),...
NT
null
EXTREMUM
sympy
COUNT_CARTESIAN
[ "B1" ]
5b950e
nt_min_phi_inverse_v1
null
6
0
[ "B1", "COUNT_CARTESIAN" ]
2
0.068
2026-02-08T19:54:34.166245Z
{ "verified": true, "answer": 35, "timestamp": "2026-02-08T19:54:34.234058Z" }
7a1c19
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 120, "completion_tokens": 2497 }, "timestamp": "2026-02-18T23:42:38.629Z", "answer": 35 }, { ...
1
[ { "lemma": "B1", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "V5", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
28bf94
comb_count_partitions_v1_655260480_4940
Let $n$ be the number of integers $t$ in the range $26 \le t \le 91$ for which there exist positive integers $a \le 7$ and $b \le 6$ such that $t = 5a + 7b + 14$. Let $\text{result}$ be the number of integer partitions of $n$. Compute the sum of the digits of $|\text{result}|$, each multiplied by the square of its posi...
36,314
graphs = [ Graph( let={ "n": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=7)), Geq(left=Var(name='b'), right=Const(value=1...
COMB
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
comb_count_partitions_v1
null
6
0
[ "LIN_FORM" ]
1
0.002
2026-02-08T18:13:33.987173Z
{ "verified": true, "answer": 36314, "timestamp": "2026-02-08T18:13:33.989208Z" }
7a1fec
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 163, "completion_tokens": 3766 }, "timestamp": "2026-02-18T15:25:46.923Z", "answer": 36314 }, ...
1
[ { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status": "no" ...
{ "lo": -3.12, "mid": 1.47, "hi": 6.57 }
dda26e
nt_lcm_compute_v1_1978505735_460
Let $a$ be the number of ordered pairs $(i, j)$ of positive integers with $1 \leq i \leq 36$, $1 \leq j \leq 107$, and $\gcd(i, j) = 1$. Let $b$ be the minimum value of $x + y$ over all ordered pairs $(x, y)$ of positive integers such that $xy = 910116$. Let $r = \mathrm{lcm}(a, b)$. Compute the remainder when $r + 2^{...
29,514
graphs = [ Graph( let={ "_n": Const(81526), "a": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=Eq(GCD(a=Var("i"), b=Var("j")), Const(1)), domain=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(36)), right=IntegerRange(start=Const(1), e...
NT
null
COMPUTE
sympy
COUNT_COPRIME_GRID
[ "COUNT_COPRIME_GRID", "B3" ]
a8b7cb
nt_lcm_compute_v1
null
6
0
[ "B3", "COUNT_COPRIME_GRID" ]
2
0.004
2026-02-08T15:23:33.157654Z
{ "verified": true, "answer": 29514, "timestamp": "2026-02-08T15:23:33.161811Z" }
1cfa9c
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": 3437 }, "timestamp": "2026-02-16T05:40:35.330Z", "answer": 29514 }, ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "ok" }, { "lemma": "K13", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status":...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
454389
algebra_quadratic_discriminant_v1_1218484723_2750
Let \[ D = -10^{2} - 4(-7)(-4). \] Define \[ M = 2\Biggl[ D > \sum_{k = \binom{4}{4} - 1}^{\left|\{ a_1 : a_1 \ge 0,\ a_1 \le 66,\ 2\bigl(2a_1^{4} - 3a_1^{3} + 2a_1^{2} - 1a_1 - 5 \bmod 67\bigr)^{4} - 3\bigl(2a_1^{4} - 3a_1^{3} + 2a_1^{2} - 1a_1 - 5 \bmod 67\bigr)^{3} \\[4pt] \qquad + 2\bigl(2a_1^{4} - 3a_1^{3} + 2a_1...
0
graphs = [ Graph( let={ "_n": Const(2), "a": Const(-7), "b": Const(-10), "c": Const(-4), "D": Sub(Pow(Ref("b"), Ref("_n")), Mul(Const(4), Ref("a"), Ref("c"))), "result": Sum(Mul(Const(2), Iverson(condition=Gt(Ref("D"), Summation(var="k"...
ALG
COMB
COMPUTE
sympy
POLY_ORBIT_LEGENDRE
[ "POLY_ORBIT_LEGENDRE/BINOMIAL_ALTERNATING", "ZERO_BINOM_N" ]
bd9040
algebra_quadratic_discriminant_v1
null
7
0
[ "BINOMIAL_ALTERNATING", "POLY_ORBIT_LEGENDRE", "ZERO_BINOM_N" ]
3
0.123
2026-02-25T04:27:35.543175Z
{ "verified": true, "answer": 0, "timestamp": "2026-02-25T04:27:35.666326Z" }
cd8025
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 585, "completion_tokens": 23770 }, "timestamp": "2026-03-29T06:23:33.285Z", "answer": 0 }, { "id"...
1
[ { "lemma": "BINOMIAL_ALTERNATING", "status": "ok_later" }, { "lemma": "POLY_ORBIT_LEGENDRE", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "ZERO_BINOM_N", "status": "ok" } ]
{ "lo": -4.26, "mid": -1.8, "hi": 1.26 }
e6e92d
antilemma_product_of_sums_v1_677425708_2843
Let $ S_1 $ be the sum of all integers $ j $ with $ 0 \le j \le 7 $ such that $ \binom{7}{j} $ is odd. Let $ d_0 = \sum_{d \mid \gcd(4,9)} \mu(d) $, where $ \mu $ is the M\"obius function. Let $ S_2 = \sum_{k = d_0}^{17} k $. Let $ x = S_1 \times S_2 $. Compute the value of $ 3^{|x|} + 24025 $ modulo $ 99991 $.
54,684
graphs = [ Graph( let={ "S1": SumOverSet(set=SolutionsSet(var=Var("j"), condition=And(Geq(Var("j"), Const(0)), Leq(Var("j"), Const(7)), Eq(Mod(value=Binom(n=Const(7), k=Var("j")), modulus=Const(2)), Const(1))))), "S2": Summation(var="k", start=SumOverDivisors(n=GCD(a=Const(value=4), ...
NT
null
COMPUTE
sympy
MOBIUS_COPRIME
[ "MOBIUS_COPRIME", "PRODUCT_OF_SUMS" ]
17cc0f
antilemma_product_of_sums_v1
null
5
0
[ "MOBIUS_COPRIME", "PRODUCT_OF_SUMS" ]
2
0.002
2026-02-08T05:20:00.901489Z
{ "verified": true, "answer": 54684, "timestamp": "2026-02-08T05:20:00.903526Z" }
37a2cf
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 237, "completion_tokens": 689 }, "timestamp": "2026-02-18T15:50:43.859Z", "answer": 24026 } ]
0
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MOBIUS_COPRIME", "status": "ok" }, { "lemma": "MOD_ADD", "sta...
{ "lo": -6.48, "mid": 1.54, "hi": 9.56 }
aa74a9
geo_count_lattice_triangle_v1_1470522791_130
Let $A$ be the area of the triangle with vertices at $(0, 0)$, $(210, 200)$, and $(60, 111)$, multiplied by 2. Let $B$ be the number of integers $t$ in the interval $18 \le t \le 440$ for which there exist integers $a$ and $b$ such that $1 \le a \le 24$, $1 \le b \le 25$, and $t = 10a + 8b$. Then $A = |210 \cdot 111 - ...
53,270
graphs = [ Graph( let={ "_n": Const(2000), "area_2x": Abs(arg=Sum(Mul(Const(value=210), Const(value=111)), Mul(Const(value=60), Sub(left=Const(value=0), right=CountOverSet(set=SolutionsSet(var=Var(name='t'), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), cond...
ALG
NT
COUNT
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
geo_count_lattice_triangle_v1
null
6
0
[ "LIN_FORM" ]
1
0.006
2026-02-08T12:50:07.329410Z
{ "verified": true, "answer": 53270, "timestamp": "2026-02-08T12:50:07.335796Z" }
8a6623
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 267, "completion_tokens": 3230 }, "timestamp": "2026-02-15T07:02:47.017Z", "answer": 53270 }, ...
1
[ { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
2f1999
nt_min_with_divisor_count_v1_124444284_39
Let $m = 7569$. Let $s$ be the minimum value of $x + y$ over all pairs of positive integers $(x, y)$ such that $xy = m$. Let $p$ be the maximum value of $xy$ over all pairs of positive integers $(x, y)$ such that $x + y = s$. Find the smallest positive integer $n \leq p$ that has exactly 10 positive divisors.
48
graphs = [ Graph( let={ "_m": Const(7569), "_n": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Mul(Var("x"), Var("y")), Ref("_m")))), expr=Sum(Var("x"), Var("y")))), ...
NT
null
EXTREMUM
sympy
LIN_FORM
[ "B3/B1" ]
7f76f7
nt_min_with_divisor_count_v1
null
6
0
[ "B1", "B3", "LIN_FORM" ]
3
29.585
2026-02-08T02:54:42.717639Z
{ "verified": true, "answer": 48, "timestamp": "2026-02-08T02:55:12.302383Z" }
78819a
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 207, "completion_tokens": 1974 }, "timestamp": "2026-02-09T12:47:12.685Z", "answer": 48 }, { "id"...
1
[ { "lemma": "B1", "status": "ok_later" }, { "lemma": "B3", "status": "ok" }, { "lemma": "K16", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma":...
{ "lo": -3.97, "mid": -1.31, "hi": 0.91 }
dcf9ad
diophantine_fbi2_min_v1_168721529_22
Let $c = 22$. Define $n$ to be the maximum value of $xy$ over all ordered pairs $(x, y)$ of positive integers such that $x + y = c$. Let $k$ be the minimum value of $x + y$ over all ordered pairs $(x, y)$ of positive integers such that $xy = n$. Let $u$ be the number of nonnegative integers $j$ with $0 \le j \le 51224$...
2
graphs = [ Graph( let={ "_c": Const(22), "_m": Const(2), "_n": MaxOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Sum(Var("x"), Var("y")), Ref("_c")))), expr=M...
NT
null
EXTREMUM
sympy
B1
[ "B1/B3", "V8" ]
c1bd68
diophantine_fbi2_min_v1
null
7
0
[ "B1", "B3", "V8" ]
3
0.015
2026-02-08T12:46:15.611069Z
{ "verified": true, "answer": 2, "timestamp": "2026-02-08T12:46:15.625575Z" }
65cfda
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 272, "completion_tokens": 2228 }, "timestamp": "2026-02-08T20:54:07.568Z", "answer": 2 }, { "id":...
2
[ { "lemma": "B1", "status": "ok" }, { "lemma": "B3", "status": "ok_later" }, { "lemma": "K13", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MOD_...
{ "lo": -9.12, "mid": -6.02, "hi": -3.64 }
6d680c
algebra_vieta_sum_v1_1978505735_5744
Let $ r $ be the sum of all real solutions $ x $ to the equation $$ x^3 - 14x^2 + 45x = 0. $$ Let $ m $ be the maximum value of $ x_1 y $ over all pairs of positive integers $ (x_1, y) $ such that $ x_1 + y = 142 $. Compute $ r^2 + 37r + m $.
5,755
graphs = [ Graph( let={ "_n": Const(142), "result": SumOverSet(set=SolutionsSet(var=Var("x"), condition=Eq(Sum(Pow(Var("x"), Const(3)), Mul(Const(-14), Pow(Var("x"), Const(2))), Mul(Const(45), Var("x"))), Const(0)))), "Q": Sum(Pow(Ref("result"), Const(2)), Mul(Const(37), ...
NT
null
COMPUTE
sympy
B1
[ "B1" ]
bf138c
algebra_vieta_sum_v1
quadratic_mod
5
0
[ "B1" ]
1
0.006
2026-02-08T19:12:09.960766Z
{ "verified": true, "answer": 5755, "timestamp": "2026-02-08T19:12:09.967110Z" }
dc73fd
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 163, "completion_tokens": 755 }, "timestamp": "2026-02-16T18:35:46.657Z", "answer": 855 }, { "id": 11, ...
1
[ { "lemma": "B1", "status": "ok" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -8.26, "mid": -5.01, "hi": -1.76 }
2d3b64
sequence_lucas_compute_v1_153355830_650
Let $n$ be the number of positive integers $k$ with $1 \leq k \leq 295$ such that $5$ divides $k$ and $\gcd(k, 6) = 1$. Let $L_n$ denote the $n$-th Lucas number, defined by $L_1 = 1$, $L_2 = 3$, and $L_m = L_{m-1} + L_{m-2}$ for $m \geq 3$. Compute the remainder when $44121 \cdot L_n$ is divided by $86630$.
20,847
graphs = [ Graph( let={ "_n": Const(6), "n": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Const(295)), Divides(divisor=Const(5), dividend=Var("n")), Eq(GCD(a=Var("n"), b=Ref("_n")), Const(1))))), "result": Lucas(arg=Ref(...
NT
null
COMPUTE
sympy
C5
[ "C5" ]
1d9668
sequence_lucas_compute_v1
null
5
0
[ "C5" ]
1
0.001
2026-02-08T04:06:08.303184Z
{ "verified": true, "answer": 20847, "timestamp": "2026-02-08T04:06:08.304668Z" }
49070e
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": 1738 }, "timestamp": "2026-02-10T15:29:33.460Z", "answer": 20847 }, { ...
1
[ { "lemma": "C5", "status": "ok" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -3.49, "mid": 1.84, "hi": 7.55 }
067184
nt_count_divisible_v1_784195855_9338
Let $n = 144$ and define $\text{upper} = 37249$. Let $\text{divisor}$ be the minimum value of $x + y$ over all ordered pairs $(x, y)$ of positive integers such that $xy = 144$. Determine the number of positive integers $k$ with $1 \leq k \leq 37249$ such that $\text{divisor}$ divides $k$.
1,552
graphs = [ Graph( let={ "_n": Const(144), "upper": Const(37249), "divisor": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Mul(Var("x"), Var("y")), Ref("_n...
NT
null
COUNT
sympy
B3
[ "B3" ]
0cd20d
nt_count_divisible_v1
null
3
0
[ "B3" ]
1
1.209
2026-02-08T16:42:41.559447Z
{ "verified": true, "answer": 1552, "timestamp": "2026-02-08T16:42:42.768497Z" }
75cbf9
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 159, "completion_tokens": 262 }, "timestamp": "2026-02-16T07:50:45.359Z", "answer": 503 }, { "id": 11, ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "K14", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "V7", "status": "no" } ]
{ "lo": -8.26, "mid": -5.01, "hi": -1.76 }
e92dfd
algebra_quadratic_discriminant_v1_458359167_474
Let $a = 2$, $b = -3$, and $c = 5$. Let $r = b^2 - 4ac$. Compute $$r^2 + 37r + \sum x,$$ where the sum is taken over all solutions $x$ to the equation $x^2 - 9999x + 980100 = 0$.
9,813
graphs = [ Graph( let={ "a": Const(2), "b": Const(-3), "c": Const(5), "result": Sub(Pow(Ref("b"), Const(2)), Mul(Const(4), Ref("a"), Ref("c"))), "Q": Sum(Pow(Ref("result"), Const(2)), Mul(Const(37), Ref("result")), SumOverSet(set=SolutionsSet(var=V...
NT
null
COMPUTE
sympy
VIETA_SUM
[ "VIETA_SUM" ]
833c91
algebra_quadratic_discriminant_v1
quadratic_mod
4
0
[ "VIETA_SUM" ]
1
0.003
2026-02-08T03:21:27.211510Z
{ "verified": true, "answer": 9813, "timestamp": "2026-02-08T03:21:27.214600Z" }
f32d9c
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 188, "completion_tokens": 446 }, "timestamp": "2026-02-10T14:07:06.540Z", "answer": 9813 }, { "id...
1
[ { "lemma": "K5", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V8_SUM", "status": "no" }, { "lemma": "VIETA_SUM", "status":...
{ "lo": -7.01, "mid": -4.68, "hi": -2.15 }
f22cde
algebra_quadratic_discriminant_v1_1978505735_5370
Let $m = 4$. Let $n$ be the number of positive integers $p$ for which there exists a positive integer $q$ such that $p \cdot q = 108$, $\gcd(p, q) = 1$, and $p < q$. Define $a = 2$, $b = -6$, $c = 0$, and let $D = b^k - 4ac$, where $k$ is the number of positive integers $p_1$ for which there exists a positive integer $...
2
graphs = [ Graph( let={ "_m": Const(4), "_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=108)), Eq(left=GCD(a=Var(name='p'), b=Var(name='...
NT
null
COMPUTE
sympy
B1
[ "COPRIME_PAIRS/COPRIME_PAIRS" ]
3bbd71
algebra_quadratic_discriminant_v1
null
6
0
[ "B1", "COPRIME_PAIRS" ]
2
0.034
2026-02-08T18:57:41.956397Z
{ "verified": true, "answer": 2, "timestamp": "2026-02-08T18:57:41.990512Z" }
8de80b
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 227, "completion_tokens": 2313 }, "timestamp": "2026-02-18T20:51:20.812Z", "answer": 2 }, { ...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "K13", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "V1", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
f56439
comb_count_surjections_v1_798873815_484
Let $n$ be the number of ordered pairs $(i,j)$ of positive integers such that $1 \le i \le 5$, $1 \le j \le 6$, and $i + j = 6$. Let $k = 3$. Compute $k! \cdot S(n, k)$, where $S(n, k)$ denotes the Stirling number of the second kind. Determine the value of this expression.
150
graphs = [ Graph( let={ "_n": Const(6), "n": 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(5)), right=IntegerRange(start=Const(1), end=Const...
COMB
null
COUNT
sympy
COUNT_SUM_EQUALS
[ "COUNT_SUM_EQUALS" ]
75ab0f
comb_count_surjections_v1
null
3
0
[ "COUNT_SUM_EQUALS" ]
1
0.012
2026-02-08T02:40:06.319722Z
{ "verified": true, "answer": 150, "timestamp": "2026-02-08T02:40:06.331272Z" }
247b2b
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": 566 }, "timestamp": "2026-02-08T19:36:47.491Z", "answer": 150 }, { "id"...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8_SUM", "status":...
{ "lo": -4.8, "mid": -2.89, "hi": -0.93 }
53c197
nt_count_gcd_equals_v1_1440796553_1119
Let $n = 2$ and $d = 67$. Let $k$ be the smallest divisor of $21354173$ that is at least $n$. Compute the number of positive integers $m$ such that $1 \leq m \leq 9216$ and $\gcd(m, k) = d$.
137
graphs = [ Graph( let={ "_n": Const(2), "upper": Const(9216), "k": MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Ref("_n")), Divides(divisor=Var("d"), dividend=Const(21354173))))), "d": Const(67), "result": CountOverSet(set=...
NT
null
COUNT
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR" ]
bc3776
nt_count_gcd_equals_v1
null
6
0
[ "MIN_PRIME_FACTOR" ]
1
1.1
2026-02-08T12:11:41.881024Z
{ "verified": true, "answer": 137, "timestamp": "2026-02-08T12:11:42.981440Z" }
a0443c
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 114, "completion_tokens": 1683 }, "timestamp": "2026-02-14T23:01:08.496Z", "answer": 137 }, { ...
1
[ { "lemma": "DS2", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "V3", "status": "no" } ]
{ "lo": -6.96, "mid": -4.56, "hi": -1.46 }
05c4f2
alg_poly3_min_v1_1218484723_1342
Find the remainder when the minimum value of $120a \cdot b^{2} + 16a^{3} - 56b^{3} - 24a^{2}b$ over positive integers $a$ and $b$ with $1 \leq a \leq \pi(3541)$ and $1 \leq b \leq 496$ is divided by $97078$, where $\pi(3541)$ denotes the number of primes between $2$ and $3541$ inclusive.
75,402
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=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq...
NT
null
COMPUTE
sympy
COUNT_PRIMES
[ "COUNT_PRIMES" ]
07c874
alg_poly3_min_v1
null
5
0
[ "COUNT_PRIMES" ]
1
0.316
2026-02-25T03:03:55.786595Z
{ "verified": true, "answer": 75402, "timestamp": "2026-02-25T03:03:56.102245Z" }
0adc04
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 220, "completion_tokens": 2989 }, "timestamp": "2026-03-10T06:35:36.392Z", "answer": 75402 }, { "...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "ok" }, { "lemma": "K14", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V8", "status": "no" } ]
{ "lo": 0.8, "mid": 3.7, "hi": 5.71 }
842f44
algebra_poly_eval_v1_1125832087_724
Let $a = 7$. Let $S$ be the set of all integers $t$ such that there exist integers $a'$ and $b$ satisfying $1 \leq a' \leq 2$, $1 \leq b \leq 4$, $7 \leq t \leq 16$, and $t = 3a' + 2b + 2$. Let $m$ be the number of elements in $S$. Let $P$ be the set of all ordered pairs $(x, y)$ of positive integers such that $x + y =...
21,993
graphs = [ Graph( let={ "_m": Const(2), "_n": Const(3), "a": Const(7), "result": Sum(Mul(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...
NT
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM", "B1" ]
2f9b70
algebra_poly_eval_v1
null
4
0
[ "B1", "LIN_FORM" ]
2
0.008
2026-02-08T03:13:53.270714Z
{ "verified": true, "answer": 21993, "timestamp": "2026-02-08T03:13:53.279031Z" }
0447c5
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 287, "completion_tokens": 1241 }, "timestamp": "2026-02-10T13:33:14.329Z", "answer": 21993 }, { "...
1
[ { "lemma": "B1", "status": "ok" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemm...
{ "lo": -5.55, "mid": -3.02, "hi": 0.31 }
11bd13
nt_min_phi_inverse_v1_397696148_2426
Let $n$ range over the positive integers. Define $k = 2$. Let $\alpha$ be the number of prime numbers $n$ such that $n \le 6$ and $n \ge m$, where $m$ is the number of positive integers $p$ for which there exists a positive integer $q$ satisfying $p \cdot q = 12$, $\gcd(p, q) = 1$, and $p < q$. Let $\beta$ be the small...
6,801
graphs = [ Graph( let={ "_n": Const(6), "upper": SumOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), CountOverSet(set=SolutionsSet(var=Var("p"), condition=And(IsPositive(arg=Var(name='p')), Exists(var=Var(name='q'), condition=And(Eq(left=Mul(Var(name='p'), Var(name=...
NT
null
EXTREMUM
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS/SUM_PRIMES" ]
79509a
nt_min_phi_inverse_v1
null
5
0
[ "COPRIME_PAIRS", "SUM_PRIMES" ]
2
0.011
2026-02-08T13:19:45.663763Z
{ "verified": true, "answer": 6801, "timestamp": "2026-02-08T13:19:45.674311Z" }
3069b4
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 189, "completion_tokens": 915 }, "timestamp": "2026-02-15T12:47:38.438Z", "answer": 6801 }, { ...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "K16", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "SUM_PRIMES", "status": "ok_lat...
{ "lo": -6.96, "mid": -4.56, "hi": -1.46 }
208ddc
modular_mod_compute_v1_1116507919_283
Let $S$ be the set of all ordered pairs $(x, y)$ of positive integers such that $x y = 4225$. Let $T$ be the set of all values of $x + y$ as $(x, y)$ ranges over $S$. Let $m$ be the maximum value of $x y$ over all ordered pairs $(x, y)$ of positive integers such that $x + y$ is equal to the minimum element of $T$. Find...
72,004
graphs = [ Graph( let={ "_m": Const(4225), "_n": Const(74206), "a": Const(-29), "m": MaxOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Sum(Var("x"...
NT
null
COMPUTE
sympy
B3
[ "B3/B1" ]
7f76f7
modular_mod_compute_v1
null
5
0
[ "B1", "B3" ]
2
0.004
2026-02-08T02:30:31.468798Z
{ "verified": true, "answer": 72004, "timestamp": "2026-02-08T02:30:31.472437Z" }
101917
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 236, "completion_tokens": 3736 }, "timestamp": "2026-02-08T19:21:01.397Z", "answer": 72004 }, { "...
1
[ { "lemma": "B1", "status": "ok_later" }, { "lemma": "B3", "status": "ok" }, { "lemma": "K18", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "...
{ "lo": 0.08, "mid": 1.78, "hi": 3.31 }
299395
nt_count_coprime_v1_677425708_1725
Let $k$ be the number of positive integers $p$ for which there exists a positive integer $q$ such that $pq = 150$, $\gcd(p, q) = 1$, and $p < q$. Let $N$ be the number of positive integers $n \leq 26569$ such that $\gcd(n, k) = \varphi(2)$, where $\varphi$ denotes Euler's totient function. Compute $N$.
13,285
graphs = [ Graph( let={ "upper": Const(26569), "k": 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=150)), Eq(left=GCD(a=Var(name='p'), b=Var(...
NT
null
COUNT
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS", "ONE_PHI_2" ]
e45f97
nt_count_coprime_v1
null
5
0
[ "COPRIME_PAIRS", "ONE_PHI_2" ]
2
2.345
2026-02-08T04:23:51.983726Z
{ "verified": true, "answer": 13285, "timestamp": "2026-02-08T04:23:54.328686Z" }
f447fb
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 210, "completion_tokens": 1951 }, "timestamp": "2026-02-09T23:56:27.674Z", "answer": 13285 }, { "...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K17", "status":...
{ "lo": -6.5, "mid": -0.2, "hi": 6.11 }
3f64dd
antilemma_product_of_sums_v1_1125832087_1349
Let $A$ be the set of all positive integers $n \leq 90$ such that $n \equiv \left\lfloor \frac{n}{2} \right\rfloor \pmod{5}$. Let $S_1 = \sum_{k=1}^{|A|} k$. Let $B$ be the set of all ordered pairs $(k, j)$ where $k$ ranges from 1 to 15 and $j$ ranges from 1 to 4. Let $S_2$ be the sum of all $k$ over $(k, j) \in B$. Co...
82,080
graphs = [ Graph( let={ "_n": Const(90), "S1": Summation(var="k", start=Const(1), end=CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("_n")), Congruent(a=Var(name='n'), b=Floor(arg=Div(left=Var(name='n'), right=Const(value=2))), mo...
NT
null
COMPUTE
sympy
L3C
[ "L3C/SUM_ARITHMETIC", "PRODUCT_OF_SUMS" ]
873a62
antilemma_product_of_sums_v1
null
6
0
[ "L3C", "PRODUCT_OF_SUMS", "SUM_ARITHMETIC" ]
3
0.001
2026-02-08T03:41:33.049800Z
{ "verified": true, "answer": 82080, "timestamp": "2026-02-08T03:41:33.051106Z" }
301e6c
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 235, "completion_tokens": 745 }, "timestamp": "2026-02-18T04:52:20.210Z", "answer": 138600 } ]
0
[ { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "L3C", "status": "ok" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "PRODUCT_OF_SUMS", "status": "ok" }, ...
{ "lo": -6.48, "mid": 1.54, "hi": 9.56 }
a93c08
modular_count_residue_v1_1915831931_4109
Let $m$ be the number of integers $j$ with $0 \leq j \leq 40961$ such that $\binom{40961}{j}$ is odd. Let $n$ be the number of positive integers $k$ such that $1 \leq k \leq 56169$ and $k$ is divisible by $m$. Let $r = |n| + 2$. Determine the value of the smallest positive integer $t$ such that the $t$-th Fibonacci num...
2,340
graphs = [ Graph( let={ "_n": Const(2), "upper": Const(56169), "m": CountOverSet(set=SolutionsSet(var=Var("j"), condition=And(Geq(Var("j"), Const(0)), Leq(Var("j"), Const(40961)), Eq(Mod(value=Binom(n=Const(40961), k=Var("j")), modulus=Ref("_n")), Const(1))), domain='nonn...
NT
null
COUNT
sympy
V8
[ "V8" ]
86348e
modular_count_residue_v1
null
6
0
[ "V8" ]
1
1.94
2026-02-08T18:06:57.138200Z
{ "verified": true, "answer": 2340, "timestamp": "2026-02-08T18:06:59.077768Z" }
0a7c6e
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": 6057 }, "timestamp": "2026-02-18T14:27:03.945Z", "answer": 2340 }, {...
1
[ { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "V8", "status": "ok" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
8dbba1
antilemma_sum_factor_cartesian_v1_1742523217_1350
Let $S$ be the set of all ordered pairs $(i, j)$ of integers with $1 \leq i \leq 7$ and $1 \leq j \leq 17$. For each pair $(i, j)$, compute the product $i \cdot j$. Let $x$ be the sum of all such products. Compute $8192 - x$.
3,908
graphs = [ Graph( let={ "x": SumOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=Const(1), domain=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(7)), right=IntegerRange(start=Const(1), end=Const(17)))), expr=Mul(Var("i"), Var("j")))), ...
NT
null
COMPUTE
sympy
SUM_FACTOR_CARTESIAN
[ "SUM_FACTOR_CARTESIAN" ]
d9e436
antilemma_sum_factor_cartesian_v1
null
3
0
[ "SUM_FACTOR_CARTESIAN" ]
1
0
2026-02-08T03:41:21.431260Z
{ "verified": true, "answer": 3908, "timestamp": "2026-02-08T03:41:21.431613Z" }
8edf79
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 172, "completion_tokens": 491 }, "timestamp": "2026-02-18T04:37:52.537Z", "answer": 3908 } ]
2
[ { "lemma": "C2", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "SUM_FACTOR_CARTESIAN", "status": "ok" } ]
{ "lo": -10, "mid": -6.47, "hi": -2.95 }
44f9be
comb_sum_binomial_row_v1_1440796553_1437
Let $n = 15$ and let $\_n = 2$. Define $\text{result} = \_n^n$. Let $S$ be the set of all positive integers $p$ such that there exists a positive integer $q$ with $p < q$, $pq = 108$, and $\gcd(p, q) = 1$. Let $m$ be the number of elements in $S$. Let $T$ be the set of all positive divisors $d$ of 20449 such that $d \g...
30,696
graphs = [ Graph( let={ "_n": Const(2), "n": Const(15), "result": Pow(Ref("_n"), Ref("n")), "Q": Mod(value=Bell(Mod(value=Abs(arg=Ref(name='result')), modulus=MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), CountOverSet(set=SolutionsSet(v...
NT
COMB
SUM
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS/MIN_PRIME_FACTOR" ]
c17aaa
comb_sum_binomial_row_v1
bell_mod
6
0
[ "COPRIME_PAIRS", "MIN_PRIME_FACTOR" ]
2
0.003
2026-02-08T14:00:20.781344Z
{ "verified": true, "answer": 30696, "timestamp": "2026-02-08T14:00:20.784745Z" }
74cab8
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 200, "completion_tokens": 2072 }, "timestamp": "2026-02-15T22:57:37.763Z", "answer": 30696 }, ...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "K13", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok_later" }...
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
79f6c8
nt_count_gcd_equals_v1_655260480_611
Let $n = 72074$ and $U = 15129$. Let $k$ be the number of positive integers $n$ such that $1 \le n \le 1541$ and $\gcd(n, 30) = 1$. Let $d = 3$. Define $S$ to be the set of all positive integers $n_1$ such that $1 \le n_1 \le U$ and $\gcd(n_1, k) = d$. Let $r$ be the number of elements in $S$. Compute the remainder whe...
7,037
graphs = [ Graph( let={ "_n": Const(72074), "upper": Const(15129), "k": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Const(1541)), Eq(GCD(a=Var("n"), b=Const(30)), Const(1))))), "d": Const(3), "re...
NT
null
COUNT
sympy
C4
[ "C4" ]
08d162
nt_count_gcd_equals_v1
null
4
0
[ "C4" ]
1
10.489
2026-02-08T15:29:10.225815Z
{ "verified": true, "answer": 7037, "timestamp": "2026-02-08T15:29:20.714427Z" }
167e0c
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 180, "completion_tokens": 1674 }, "timestamp": "2026-02-16T07:09:51.740Z", "answer": 7037 }, {...
1
[ { "lemma": "C4", "status": "ok" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
1d3d53
antilemma_k2_v1_1520064083_4830
Let $n = 324$. Define $$ x = \sum_{k=1}^{n} \phi(k) \left\lfloor \frac{324}{k} \right\rfloor, $$ where $\phi(k)$ denotes Euler's totient function. Let $Q$ be the remainder when $75727x$ is divided by $60766$. Compute $Q$.
47,758
graphs = [ Graph( let={ "_n": Const(324), "x": Summation(var="k", start=Const(1), end=Ref("_n"), expr=Mul(EulerPhi(n=Var("k")), Floor(Div(Const(324), Var("k"))))), "Q": Mod(value=Mul(Const(75727), Ref("x")), modulus=Const(60766)), }, goal=Ref("Q"), ) ]
NT
COMB
COMPUTE
sympy
K13
[ "K2" ]
6897ab
antilemma_k2_v1
null
5
0
[ "K13", "K2" ]
2
0.002
2026-02-08T06:27:02.840925Z
{ "verified": true, "answer": 47758, "timestamp": "2026-02-08T06:27:02.843212Z" }
bec372
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 124, "completion_tokens": 1939 }, "timestamp": "2026-02-13T00:21:13.219Z", "answer": 47758 }, ...
1
[ { "lemma": "K2", "status": "ok" }, { "lemma": "L3c", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "V3", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
db7a0c
algebra_quadratic_discriminant_v1_1218484723_808
Let $c$ be the number of ordered pairs $(a_1, b_1)$ of positive integers with $1 \leq a_1 \leq b_1 \leq 25$ such that $2b_1^2 - 4a_1b_1 + 2a_1^2 = 578$. Let $d = \left|\{ (a_2, b_2) : 1 \leq a_2, b_2 \leq 20,\ 34a_2^2 - 2a_2b_2 + 5b_2^2 = 845 \}\right|$, and let $R = 1^d - 8c$. Find the remainder when $44121R$ is divid...
24,947
graphs = [ Graph( let={ "_m": Const(20), "_n": Const(4), "a": Const(2), "b": Const(1), "c": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a1"), Var("b1")]), condition=And(Geq(Var("a1"), Const(1)), Leq(Var("a1"), Const(25)), Geq(Var("b1"), ...
ALG
null
COMPUTE
sympy
QF_PSD_COUNT_LEQ
[ "QF_PSD_COUNT", "QF_PSD_ORBIT" ]
96120d
algebra_quadratic_discriminant_v1
null
5
0
[ "QF_PSD_COUNT", "QF_PSD_COUNT_LEQ", "QF_PSD_ORBIT" ]
3
0.035
2026-02-25T02:32:17.196561Z
{ "verified": true, "answer": 24947, "timestamp": "2026-02-25T02:32:17.231758Z" }
52cbcd
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 281, "completion_tokens": 2113 }, "timestamp": "2026-03-10T01:52:17.128Z", "answer": 23947 }, { ...
1
[ { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "QF_PSD_COUNT", "status": "ok" }, { "lemma": "QF_PSD_ORBIT", "status": "ok" } ]
{ "lo": 2.74, "mid": 4.78, "hi": 6.68 }
5b5ff1
geo_count_lattice_rect_v1_1125832087_2444
Let $a = 33$ and $b = 127$. Define $L$ to be the number of lattice points in the rectangle $[0, a] \times [0, b]$. Compute $20000 - L$.
15,648
graphs = [ Graph( let={ "a": Const(33), "b": Const(127), "result": LatticePointsRect(a=Ref(name='a'), b=Ref(name='b')), "Q": Sub(Const(20000), Ref("result")), }, goal=Ref("Q"), ) ]
GEOM
null
COUNT
sympy
[]
geo_count_lattice_rect_v1
null
4
0
null
null
0.001
2026-02-08T04:37:23.233236Z
{ "verified": true, "answer": 15648, "timestamp": "2026-02-08T04:37:23.233872Z" }
822ce8
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 159, "completion_tokens": 466 }, "timestamp": "2026-02-24T01:14:16.415Z", "answer": 15648 }, { "i...
2
[]
{ "lo": -10, "mid": -7.79, "hi": -5.57 }
a30d76
geo_count_lattice_rect_v1_1520064083_3710
Compute the number of lattice points $(x, y)$ such that $0 \leq x \leq 256$ and $0 \leq y \leq 295$. Multiply this number by $44121$, and find the remainder when the result is divided by $60716$.
52,948
graphs = [ Graph( let={ "a": Const(256), "b": Const(295), "result": LatticePointsRect(a=Ref(name='a'), b=Ref(name='b')), "Q": Mod(value=Mul(Const(44121), Ref("result")), modulus=Const(60716)), }, goal=Ref("Q"), ) ]
GEOM
null
COUNT
sympy
[]
geo_count_lattice_rect_v1
null
3
0
null
null
0.003
2026-02-08T05:49:37.927420Z
{ "verified": true, "answer": 52948, "timestamp": "2026-02-08T05:49:37.930562Z" }
03ef16
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 170, "completion_tokens": 1687 }, "timestamp": "2026-02-24T04:34:58.798Z", "answer": 52948 }, { "...
1
[]
{ "lo": -0.06, "mid": 2.89, "hi": 5.27 }
538428
nt_sum_gcd_range_mod_v1_1520064083_7339
Let $N$ be the minimum value of $x + y$ over all pairs of positive integers $(x, y)$ such that $xy = 1327104$. Let $k$ be the minimum value of $x + y$ over all pairs of positive integers $(x, y)$ such that $xy = 8100$. Let $S = \sum_{n=1}^{N} \gcd(n, k)$. Compute the remainder when $S$ is divided by $11821$.
7,451
graphs = [ Graph( let={ "_n": Const(8100), "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(1327104)))), expr=Sum(Var("x"), Var("y"))...
NT
null
COMPUTE
sympy
B3
[ "B3" ]
0cd20d
nt_sum_gcd_range_mod_v1
null
7
0
[ "B3" ]
1
0.202
2026-02-08T08:58:27.717412Z
{ "verified": true, "answer": 7451, "timestamp": "2026-02-08T08:58:27.919164Z" }
82cf58
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": 2321 }, "timestamp": "2026-02-13T22:57:58.118Z", "answer": 7451 }, {...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" } ...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
52023b
algebra_poly_eval_v1_677425708_1955
Let $n$ be the maximum value of $xy$ over all ordered pairs $(x,y)$ of positive integers such that $x + y = 6$. Compute $2n^3 + 5n^2 + p n - 10$, where $p$ is the largest prime number satisfying $2 \leq p \leq 4$.
1,880
graphs = [ Graph( let={ "_m": Const(2), "_n": Const(6), "n": MaxOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Sum(Var("x"), Var("y")), Ref("_n")))), expr=Mul...
NT
null
COMPUTE
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW", "B1" ]
7086d0
algebra_poly_eval_v1
null
4
0
[ "B1", "MAX_PRIME_BELOW" ]
2
0.004
2026-02-08T04:40:17.684764Z
{ "verified": true, "answer": 1880, "timestamp": "2026-02-08T04:40:17.688551Z" }
7315f7
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 184, "completion_tokens": 600 }, "timestamp": "2026-02-10T03:36:49.782Z", "answer": 1880 }, { "id...
1
[ { "lemma": "B1", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "V5...
{ "lo": -9.14, "mid": -6.05, "hi": -3.74 }
801bca
comb_count_surjections_v1_655260480_1995
Let $u = \sum_{k=0}^{0} (-1)^k \binom{0}{k}$, and let $n_1 = 11u$. Let $w = \sum_{k=0}^{n_1} (-1)^k \binom{n_1}{k}$, and define $n = 7 + w$. Compute $3! \cdot S(n, 3)$, where $S(n, 3)$ denotes the Stirling number of the second kind.
1,806
graphs = [ Graph( let={ "n2": Const(0), "u": Summation(var="k1", start=Const(0), end=Ref("n2"), expr=Mul(Pow(Const(-1), Var("k1")), Binom(n=Ref("n2"), k=Var("k1")))), "n1": Mul(Const(11), Ref("u")), "w": Summation(var="k2", start=Const(0), end=Ref("n1"), expr=...
COMB
null
COUNT
sympy
BINOMIAL_ALTERNATING
[ "BINOMIAL_ALTERNATING" ]
c21569
comb_count_surjections_v1
null
4
2
[ "BINOMIAL_ALTERNATING" ]
1
0.002
2026-02-08T16:30:26.567016Z
{ "verified": true, "answer": 1806, "timestamp": "2026-02-08T16:30:26.568518Z" }
688386
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 219, "completion_tokens": 1284 }, "timestamp": "2026-02-24T21:10:48.298Z", "answer": 1806 }, { "...
1
[ { "lemma": "BINOMIAL_ALTERNATING", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "st...
{ "lo": -5.65, "mid": -3.17, "hi": -0.81 }
14a8ab
modular_sum_quadratic_residues_v1_601307018_2119
Let $N$ be the largest positive integer divisor of $13348032$ such that $N^2 \le 13348032$. Let $p = 257$ and $R = \frac{p(p-1)}{4}$. Find the remainder when $N \cdot R$ is divided by $77033$.
70,630
graphs = [ Graph( let={ "_n": Const(4), "p": Const(257), "result": Div(Mul(Ref("p"), Sub(Ref("p"), Const(1))), Ref("_n")), "_c": MaxOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(1)), Divides(divisor=Var("d"), dividend=Const(13348032)...
NT
null
SUM
sympy
B3_CLOSEST
[ "B3_CLOSEST" ]
498f8c
modular_sum_quadratic_residues_v1
affine_mod
3
0
[ "B3_CLOSEST" ]
1
0.004
2026-03-10T02:48:58.725235Z
{ "verified": true, "answer": 70630, "timestamp": "2026-03-10T02:48:58.728776Z" }
d1f942
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 1, "correct": { "strict": false, "boxed": false, "relaxed": true }, "usage": { "prompt_tokens": 180, "completion_tokens": 32768 }, "timestamp": "2026-03-29T04:26:00.486Z", "answer": null }, { ...
1
[ { "lemma": "B3_CLOSEST", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "V1", "status": "no" } ]
{ "lo": 1.23, "mid": 4.27, "hi": 6.7 }
8900b3
nt_lcm_compute_v1_124444284_1041
Let $a$ be the minimum value of $x + y$ over all ordered pairs $(x, y)$ of positive integers such that $xy = 168921$. Let $b = 2877$. Compute the least common multiple of $a$ and $b$.
5,754
graphs = [ Graph( let={ "a": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Mul(Var("x"), Var("y")), Const(168921)))), expr=Sum(Var("x"), Var("y")))), "b": Const(2877)...
NT
null
COMPUTE
sympy
C3
[ "B3" ]
0cd20d
nt_lcm_compute_v1
null
5
0
[ "B3", "C3" ]
2
0.002
2026-02-08T03:40:02.211742Z
{ "verified": true, "answer": 5754, "timestamp": "2026-02-08T03:40:02.213399Z" }
de9bfd
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 166, "completion_tokens": 1492 }, "timestamp": "2026-02-10T01:46:33.307Z", "answer": 5754 }, { "i...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no...
{ "lo": -3.46, "mid": 1.03, "hi": 5.49 }
a0d697
comb_binomial_compute_v1_1520064083_412
Let $a = 3$ and $b = 1$. Define $n_2 = a + b$. Let $$ e = \sum_{k=0}^{n_2} (-1)^k \binom{n_2}{k}. $$ Set $n_1 = e$, and define $$ c = \sum_{k=0}^{n_1} (-1)^k \binom{n_1}{k}. $$ Let $n = 12c$. Let $k$ be the number of ordered triples $(x_1, x_2, x_3)$ of positive odd integers such that $x_1 + x_2 + x_3 = 7$. Compute $\b...
924
graphs = [ Graph( let={ "a": Const(3), "b": Const(1), "n2": Sum(Ref("a"), Ref("b")), "e": Summation(var="k", start=Const(0), end=Ref("n2"), expr=Mul(Pow(Const(-1), Var("k")), Binom(n=Ref("n2"), k=Var("k")))), "n1": Ref("e"), "c": Summat...
COMB
null
COMPUTE
sympy
BINOMIAL_ALTERNATING
[ "BINOMIAL_ALTERNATING", "COMB1" ]
e741ba
comb_binomial_compute_v1
null
4
2
[ "BINOMIAL_ALTERNATING", "COMB1" ]
2
0.003
2026-02-08T03:21:03.095996Z
{ "verified": true, "answer": 924, "timestamp": "2026-02-08T03:21:03.098900Z" }
f0b708
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 272, "completion_tokens": 559 }, "timestamp": "2026-02-10T13:53:25.583Z", "answer": 924 }, { "id"...
1
[ { "lemma": "BINOMIAL_ALTERNATING", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "COMB1", "status": "ok" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_SUM_EQUAL...
{ "lo": -9.23, "mid": -6.18, "hi": -4.06 }
f85d05
comb_count_derangements_v1_168721529_1925
Let $n$ be the number of integers $j$ with $0 \leq j \leq 16464$ such that $\binom{16464}{j}$ is odd. Compute the subfactorial of $n$.
14,833
graphs = [ Graph( let={ "_n": Const(16464), "n": CountOverSet(set=SolutionsSet(var=Var("j"), condition=And(Geq(Var("j"), Const(0)), Leq(Var("j"), Ref("_n")), Eq(Mod(value=Binom(n=Const(16464), k=Var("j")), modulus=Const(2)), Const(1))), domain='nonnegative_integers')), "r...
COMB
null
COUNT
sympy
V8
[ "V8" ]
86348e
comb_count_derangements_v1
null
6
0
[ "V8" ]
1
0.001
2026-02-08T14:00:19.731033Z
{ "verified": true, "answer": 14833, "timestamp": "2026-02-08T14:00:19.732132Z" }
569764
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 159, "completion_tokens": 2232 }, "timestamp": "2026-02-09T23:33:31.177Z", "answer": 14833 }, { "...
1
[ { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "V8", "status": "ok" } ]
{ "lo": -2.37, "mid": 1.22, "hi": 4.84 }
168b59
algebra_quadratic_discriminant_v1_1470522791_1416
Let $c$ be the number of positive integers $p$ for which there exists a positive integer $q$ such that $p \cdot q = 1323000$, $\gcd(p, q) = 1$, and $p < q$. Compute the value of $(-6)^2 - 4 \cdot 1 \cdot c$.
4
graphs = [ Graph( let={ "_n": Const(2), "a": Const(1), "b": Const(-6), "c": 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(...
NT
null
COMPUTE
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS" ]
2bb3aa
algebra_quadratic_discriminant_v1
null
5
0
[ "COPRIME_PAIRS" ]
1
0.002
2026-02-08T13:36:54.359084Z
{ "verified": true, "answer": 4, "timestamp": "2026-02-08T13:36:54.361344Z" }
6c0460
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": 1213 }, "timestamp": "2026-02-15T19:20:17.538Z", "answer": 4 }, { ...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MOD_SUB", "status": ...
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
836abd
nt_count_divisible_and_v1_1520064083_9685
Let $n$ be a positive integer such that $1 \leq n \leq 22896$, $n$ is divisible by 4, and $n$ is divisible by 6. Let $A$ be the number of such integers $n$. Let $d$ be a positive divisor of 401875 such that $1 \leq d \leq 625$. Let $B$ be the largest such divisor $d$. Compute the remainder when $B - A$ is divided by ...
98,229
graphs = [ Graph( let={ "upper": Const(22896), "d1": Const(4), "d2": Const(6), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("upper")), Eq(Mod(value=Var("n"), modulus=Ref("d1")), Const(0)), Eq(Mo...
NT
null
COUNT
sympy
MAX_DIVISOR
[ "MAX_DIVISOR" ]
ad1a9b
nt_count_divisible_and_v1
negation_mod
3
0
[ "MAX_DIVISOR" ]
1
2.753
2026-02-08T10:58:08.355584Z
{ "verified": true, "answer": 98229, "timestamp": "2026-02-08T10:58:11.108359Z" }
e3e553
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 180, "completion_tokens": 474 }, "timestamp": "2026-02-15T21:06:01.222Z", "answer": 98229 }, { "id": 11, ...
2
[ { "lemma": "DS2", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_DIVISOR", "status": "ok" }, { "lemma": "MOD_SUB", "status": "no" } ]
{ "lo": -9.12, "mid": -6.02, "hi": -3.62 }
e6bca0
nt_min_with_divisor_count_v1_655260480_1130
Let $k$ be the number of positive integers less than or equal to $6622$ that are divisible by $43$. Let $P$ be the set of all ordered pairs of positive integers $(x, y)$ such that $x + y = k$. Let $M$ be the maximum value of $xy$ over all such pairs. Determine the smallest positive integer $n \leq M$ that has exactly $...
36
graphs = [ Graph( let={ "_n": CountOverSet(set=SolutionsSet(var=Var("k"), condition=And(Geq(Var("k"), Const(1)), Leq(Var("k"), Const(6622)), Divides(divisor=Const(43), dividend=Var("k"))), domain='positive_integers')), "upper": MaxOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(ele...
NT
null
EXTREMUM
sympy
V1
[ "C2/B1" ]
a0cd95
nt_min_with_divisor_count_v1
null
5
0
[ "B1", "C2", "V1" ]
3
21.145
2026-02-08T15:55:18.533632Z
{ "verified": true, "answer": 36, "timestamp": "2026-02-08T15:55:39.678479Z" }
da5a60
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 138, "completion_tokens": 985 }, "timestamp": "2026-02-16T16:58:18.551Z", "answer": 36 }, { ...
1
[ { "lemma": "B1", "status": "ok_later" }, { "lemma": "C2", "status": "ok" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "V7", "status": "no" }, { "le...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
7a4b58
nt_min_phi_inverse_v1_124444284_1654
Let $S$ be the set of all positive integers $n$ such that $1 \leq n \leq 330$ and $n \equiv \left\lfloor \frac{n}{2} \right\rfloor \pmod{11}$. Let $\ell$ be the number of elements in $S$. Let $n_0$ be the smallest positive integer such that $1 \leq n_0 \leq \ell$ and $\phi(n_0) = 10$. Compute $$ \sum_{n=1}^{|n_0|} \tau...
29
graphs = [ Graph( let={ "upper": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Const(330)), Congruent(a=Var(name='n'), b=Floor(arg=Div(left=Var(name='n'), right=Const(value=2))), modulus=Const(value=11))))), "k": Const(10), ...
NT
null
EXTREMUM
sympy
MAX_PRIME_BELOW
[ "L3C" ]
73f8b0
nt_min_phi_inverse_v1
null
6
0
[ "L3C", "MAX_PRIME_BELOW" ]
2
0.025
2026-02-08T04:04:26.784371Z
{ "verified": true, "answer": 29, "timestamp": "2026-02-08T04:04:26.809763Z" }
5a8bba
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 258, "completion_tokens": 2396 }, "timestamp": "2026-02-10T15:21:34.082Z", "answer": 29 }, { "id...
1
[ { "lemma": "K16", "status": "no" }, { "lemma": "L3C", "status": "ok" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "V1", "status": "no" } ]
{ "lo": -5.55, "mid": -3.01, "hi": 0.33 }
028abe
comb_bell_compute_v1_601307018_3413
Let $B_n$ denote the $n$-th Bell number. For a non-negative integer $a$ with $0 \le a \le 7920$, define \[ M = (3a^5 - 3a^4 - 3a^3 - 2a^2 + 5a + 3) \bmod 7921, \] \[ R = (3M^5 - 3M^4 - 3M^3 - 2M^2 + 5M + 3) \bmod 7921, \] \[ S = (3R^5 - 3R^4 - 3R^3 - 2R^2 + 5R + 3) \bmod 7921. \] Let $n$ be the number of such $a$ for w...
52
graphs = [ Graph( let={ "_n": Const(5), "n": CountOverSet(set=SolutionsSet(var=Var("a"), condition=And(Geq(Var("a"), Const(0)), Leq(Var("a"), Const(7920)), Eq(Ref("_po_p3"), Var("a")), Neq(Ref("_po_p1"), Var("a")), Neq(Ref("_po_p2"), Var("a"))))), "result": Bell(Ref("n"))...
COMB
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM", "POLY_ORBIT_HENSEL" ]
669d9e
comb_bell_compute_v1
bell_mod
8
0
[ "LIN_FORM", "POLY_ORBIT_HENSEL" ]
2
0.006
2026-03-10T03:59:39.148155Z
{ "verified": true, "answer": 52, "timestamp": "2026-03-10T03:59:39.154312Z" }
d87e79
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 408, "completion_tokens": 5821 }, "timestamp": "2026-04-18T23:27:58.073Z", "answer": 1 }, { "...
0
[ { "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": 2.12, "mid": 5.37, "hi": 8.63 }
de316d
comb_count_derangements_v1_2051736721_996
Let $n = 8$. The subfactorial of $n$, denoted $!n$, is the number of derangements of $n$ distinct elements. Let $R = !8$. Let $C$ be the number of ordered pairs $(i, j)$ such that $1 \leq i \leq 66$, $1 \leq j \leq 126$, and $\gcd(i, j) = 1$. Compute the remainder when $C \cdot R$ is divided by $72381$.
70,048
graphs = [ Graph( let={ "_n": Const(72381), "n": Const(8), "result": Subfactorial(arg=Ref(name='n')), "_c": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=Eq(GCD(a=Var("i"), b=Var("j")), Const(1)), domain=CartesianProduct(lef...
NT
COMB
COUNT
sympy
COUNT_COPRIME_GRID
[ "COUNT_COPRIME_GRID" ]
53d469
comb_count_derangements_v1
affine_mod
4
0
[ "COUNT_COPRIME_GRID" ]
1
0.001
2026-02-08T15:47:12.207077Z
{ "verified": true, "answer": 70048, "timestamp": "2026-02-08T15:47:12.207958Z" }
8de93b
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": 4224 }, "timestamp": "2026-02-16T13:47:49.251Z", "answer": 70048 }, ...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "ok" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemm...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
c2ea8d
modular_count_residue_v1_1915831931_786
Let $r$ be the smallest divisor of $141151$ that is at least $2$. Determine the number of positive integers $n$ such that $n \leq 42849$ and $n \equiv r \pmod{28}$.
1,530
graphs = [ Graph( let={ "upper": Const(42849), "m": Const(28), "r": MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(2)), Divides(divisor=Var("d"), dividend=Const(141151))))), "result": CountOverSet(set=SolutionsSet(var=Var("n"), con...
NT
null
COUNT
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR" ]
bc3776
modular_count_residue_v1
null
4
0
[ "MIN_PRIME_FACTOR" ]
1
1.693
2026-02-08T15:40:45.281155Z
{ "verified": true, "answer": 1530, "timestamp": "2026-02-08T15:40:46.974353Z" }
1b177f
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 116, "completion_tokens": 683 }, "timestamp": "2026-02-16T06:15:21.288Z", "answer": 1530 }, { "id": 11, ...
2
[ { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "V3", "status": "no" } ...
{ "lo": -10, "mid": -7.27, "hi": -4.54 }
094c8f
comb_factorial_compute_v1_865884756_1167
Let $j$ be a nonnegative integer. Compute the number of values of $j$ such that $0 \leq j \leq 24704$ and $\binom{24704}{j}$ is odd. Let $n$ be this count. Compute $n!$. Let $P$ be the set of all ordered pairs $(x, y)$ of positive integers such that $xy = 2250000$. Let $s$ be the minimum value of $x + y$ over all such ...
37,549
graphs = [ Graph( let={ "_n": Const(24704), "n": CountOverSet(set=SolutionsSet(var=Var("j"), condition=And(Geq(Var("j"), Const(0)), Leq(Var("j"), Const(24704)), Eq(Mod(value=Binom(n=Ref("_n"), k=Var("j")), modulus=Const(2)), Const(1))), domain='nonnegative_integers')), "r...
ALG
COMB
COMPUTE
sympy
B3
[ "B3", "V8" ]
7c01c3
comb_factorial_compute_v1
negation_mod
7
0
[ "B3", "V8" ]
2
0.004
2026-02-08T15:49:29.443261Z
{ "verified": true, "answer": 37549, "timestamp": "2026-02-08T15:49:29.447449Z" }
5e2b02
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 235, "completion_tokens": 1509 }, "timestamp": "2026-02-24T18:43:55.372Z", "answer": 37549 }, { ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "K18", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "statu...
{ "lo": -2.4, "mid": 1.57, "hi": 5.75 }
1abcdc
nt_count_primes_v1_458359167_2040
Let $S$ be the set of all positive integers $p$ for which there exists a positive integer $q$ such that $p \cdot q = 18$, $\gcd(p, q) = 1$, and $p < q$. Let $k$ be the number of elements in $S$. Determine the value of $k$. Now consider the set of all prime numbers $n$ such that $k \leq n \leq 10201$. Compute the number...
1,252
graphs = [ Graph( let={ "upper": Const(10201), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), CountOverSet(set=SolutionsSet(var=Var("p"), condition=And(IsPositive(arg=Var(name='p')), Exists(var=Var(name='q'), condition=And(Eq(left=Mul(Var(name='p'),...
NT
null
COUNT
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS" ]
2bb3aa
nt_count_primes_v1
null
4
0
[ "COPRIME_PAIRS" ]
1
0.233
2026-02-08T04:59:45.615905Z
{ "verified": true, "answer": 1252, "timestamp": "2026-02-08T04:59:45.849349Z" }
f87eeb
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": 1249 }, "timestamp": "2026-02-12T05:13:25.230Z", "answer": 1252 }, {...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "K14", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "V3", "status": "no" }, { "lemma": "V8", "status": "no" } ]
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
ab6f73
nt_count_gcd_equals_v1_1520064083_5413
Let $S$ be the set of all ordered pairs $(x,y)$ of positive integers such that $xy = 986049$. Let $s$ be the minimum value of $x + y$ as $(x,y)$ ranges over $S$. Let $k$ be the number of positive integers $n$ with $1 \leq n \leq s$ such that $8$ divides the $n$th Fibonacci number. Let $d = 331$ and let $T$ be the set o...
45,706
graphs = [ Graph( let={ "_m": Const(8), "_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(986049)))), expr=Sum(Var("x"), Var("y")))),...
NT
null
COUNT
sympy
B3
[ "B3/COUNT_FIB_DIVISIBLE" ]
9b7a57
nt_count_gcd_equals_v1
null
6
0
[ "B3", "COUNT_FIB_DIVISIBLE" ]
2
5.321
2026-02-08T06:46:45.476554Z
{ "verified": true, "answer": 45706, "timestamp": "2026-02-08T06:46:50.797499Z" }
0bb157
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 199, "completion_tokens": 2691 }, "timestamp": "2026-02-13T09:41:09.691Z", "answer": 45706 }, ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "ok_later" }, { "lemma": "K5", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "V5", "status": "n...
{ "lo": -7.01, "mid": -4.68, "hi": -2.15 }
1effe6
nt_sum_gcd_range_mod_v1_1742523217_5420
Let $N$ be the maximum value of $xy$ where $x$ and $y$ are positive integers such that $x + y = 76$. Let $k = 144$ and $M = 11471$. Define $$ \text{sum} = \sum_{n=1}^{N} \gcd(n, k). $$ Let $\text{result}$ be the remainder when $\text{sum}$ is divided by $M$, and let $Q$ be the remainder when $44121 \cdot \text{result}$...
47,370
graphs = [ Graph( let={ "N": MaxOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Sum(Var("x"), Var("y")), Const(76)))), expr=Mul(Var("x"), Var("y")))), "k": Const(144), ...
NT
null
COMPUTE
sympy
B1
[ "B1" ]
5b950e
nt_sum_gcd_range_mod_v1
null
5
0
[ "B1" ]
1
0.068
2026-02-08T10:59:07.443214Z
{ "verified": true, "answer": 47370, "timestamp": "2026-02-08T10:59:07.511428Z" }
269977
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": 2614 }, "timestamp": "2026-02-14T09:44:49.870Z", "answer": 47370 }, ...
1
[ { "lemma": "B1", "status": "ok" }, { "lemma": "K13", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" } ]
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
92f83e
modular_mod_compute_v1_124444284_3753
Let $m$ be the largest prime number $n$ such that $2 \leq n \leq 1753$. Compute the remainder when $-23716$ is divided by $m$.
826
graphs = [ Graph( let={ "_n": Const(2), "a": Const(-23716), "m": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Ref("_n")), Leq(Var("n"), Const(1753)), IsPrime(Var("n"))))), "result": Mod(value=Ref("a"), modulus=Ref("m")), }, ...
NT
null
COMPUTE
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW" ]
dc3ad3
modular_mod_compute_v1
null
3
0
[ "MAX_PRIME_BELOW" ]
1
0.003
2026-02-08T05:35:12.479413Z
{ "verified": true, "answer": 826, "timestamp": "2026-02-08T05:35:12.482448Z" }
fbe1cf
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 86, "completion_tokens": 914 }, "timestamp": "2026-02-12T11:09:28.477Z", "answer": 826 }, { ...
1
[ { "lemma": "K13", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "V3", "status": "no" }, { "lemma": "V7", "status": "no" } ]
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
f235e5
comb_factorial_compute_v1_153355830_2214
Let $S$ be the set of integers $t$ such that $11 \leq t \leq 5490$ and $t = 5a + 2b + 4$ for some positive integers $a \leq 834$ and $b \leq 658$. Let $N$ be the number of elements in $S$. Compute the remainder when $N - 8!$ is divided by $91597$.
56,753
graphs = [ Graph( let={ "_n": Const(91597), "n": Const(8), "result": Factorial(Ref("n")), "Q": Mod(value=Sub(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'...
ALG
COMB
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
324ba4
comb_factorial_compute_v1
negation_mod
5
0
[ "LIN_FORM" ]
1
0.001
2026-02-08T06:59:18.374983Z
{ "verified": true, "answer": 56753, "timestamp": "2026-02-08T06:59:18.376358Z" }
94f228
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 204, "completion_tokens": 19869 }, "timestamp": "2026-02-24T07:26:57.544Z", "answer": 56756 }, { ...
1
[ { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": 3.25, "mid": 5.68, "hi": 8.81 }
35d5fd
nt_sum_over_divisible_v1_1978505735_3061
Let $ \mathcal{D} $ be the set of all positive integers $ n $ such that $ 1 \leq n \leq 5231 $ and $ n $ is divisible by $ 181 $. Compute the sum of all elements in $ \mathcal{D} $.
73,486
graphs = [ Graph( let={ "upper": Const(5231), "divisor": Const(181), "result": SumOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("upper")), Eq(Mod(value=Var("n"), modulus=Ref("divisor")), Const(0))))), }, go...
NT
null
SUM
sympy
LIN_FORM
[ "COUNT_FIB_DIVISIBLE/COUNT_FIB_DIVISIBLE/C4" ]
f9a154
nt_sum_over_divisible_v1
null
3
0
[ "C4", "COUNT_FIB_DIVISIBLE", "LIN_FORM" ]
3
1.21
2026-02-08T17:19:01.352960Z
{ "verified": true, "answer": 73486, "timestamp": "2026-02-08T17:19:02.563302Z" }
1970db
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 103, "completion_tokens": 577 }, "timestamp": "2026-02-18T00:35:12.068Z", "answer": 73486 }, {...
1
[ { "lemma": "C4", "status": "ok_later" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "ok" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": ...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
9fcbac
antilemma_k3_v1_1742523217_3182
Let $n = 94216$. Compute the sum of $\phi(d)$ over all positive divisors $d$ of $n$, where $\phi$ denotes Euler's totient function. Find the value of this sum.
94,216
graphs = [ Graph( let={ "x": SumOverDivisors(n=Const(value=94216), 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
2026-02-08T05:42:38.920869Z
{ "verified": true, "answer": 94216, "timestamp": "2026-02-08T05:42:38.921139Z" }
046bd3
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 91, "completion_tokens": 6057 }, "timestamp": "2026-02-12T12:39:23.508Z", "answer": 94216 }, {...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K3", "status": "ok" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "V5", "status": "no" } ]
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
b82027
comb_bell_compute_v1_1915831931_2762
Let $a = 3$. Let $B$ be the set of all ordered pairs $(x_1, x_2)$ of positive odd integers such that $x_1 + x_2 = 10$. Let $b$ be the number of elements in $B$. Define $n_2 = a + b$. Compute $$f = \sum_{k=0}^{n_2} (-1)^k \binom{n_2}{k}.$$ Let $u = 5 + f$ and $n_1 = u + 1$. Compute $$h = \sum_{k_1=0}^{n_1} (-1)^{k_1} \b...
15,948
graphs = [ Graph( let={ "a": Const(3), "b": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x1"), Var("x2")]), condition=And(IsPositive(arg=Var(name='x1')), IsPositive(arg=Var(name='x2')), IsOdd(arg=Var(name='x1')), IsOdd(arg=Var(name='x2')), Eq(Sum(Var("x1"), Var("x2")), Cons...
COMB
null
COMPUTE
sympy
COMB1
[ "COMB1/BINOMIAL_ALTERNATING" ]
e72f96
comb_bell_compute_v1
null
6
2
[ "BINOMIAL_ALTERNATING", "COMB1" ]
2
0.003
2026-02-08T17:05:37.045777Z
{ "verified": true, "answer": 15948, "timestamp": "2026-02-08T17:05:37.048690Z" }
b6a995
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 253, "completion_tokens": 4640 }, "timestamp": "2026-02-17T20:19:49.434Z", "answer": 15948 }, ...
1
[ { "lemma": "BINOMIAL_ALTERNATING", "status": "ok_later" }, { "lemma": "COMB1", "status": "ok" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "l...
{ "lo": -2.38, "mid": 1.74, "hi": 6.59 }
c54d29
diophantine_fbi2_count_v1_124444284_5776
Let $k = 840$. Consider the set of all positive integers $d$ satisfying $4 \leq d \leq 131$, $d$ divides $k$, and $3 \leq \frac{k}{d} \leq 130$. Let $r$ be the number of such integers $d$. Compute $12885 \times r$ modulo $57064$. Find the value of $Q$, the remainder when this product is divided by $57064$.
29,444
graphs = [ Graph( let={ "k": Const(840), "result": CountOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(4)), Leq(Var("d"), Const(131)), Divides(divisor=Var("d"), dividend=Ref("k")), Geq(Div(Ref("k"), Var("d")), Const(3)), Leq(Div(Ref("k"), Var("d")), Const(13...
NT
null
COUNT
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW" ]
dc3ad3
diophantine_fbi2_count_v1
null
3
0
[ "MAX_PRIME_BELOW" ]
1
0.016
2026-02-08T06:49:53.465078Z
{ "verified": true, "answer": 29444, "timestamp": "2026-02-08T06:49:53.481101Z" }
fb7e0c
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": 1526 }, "timestamp": "2026-02-13T05:11:05.122Z", "answer": 29444 }, ...
1
[ { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "MOD_ADD", "status": "no" } ]
{ "lo": -3.51, "mid": 1.33, "hi": 6.56 }
efb3ce
comb_count_derangements_v1_898971024_2661
Let $f = \sum_{k=0}^{0} (-1)^k \binom{0}{k}$ and $m = \sum_{k_1=0}^{10} (-1)^{k_1} \binom{10}{k_1}$. Let $n = 8$ and define $\text{result} = !n$, the subfactorial of $n$. Compute the remainder when $44121 \cdot f \cdot \text{result}$ is divided by $52336 + m$.
37,449
graphs = [ Graph( let={ "n2": Const(0), "f": Summation(var="k", start=Const(0), end=Ref("n2"), expr=Mul(Pow(Const(-1), Var("k")), Binom(n=Ref("n2"), k=Var("k")))), "n1": Const(10), "m": Summation(var="k1", start=Const(0), end=Ref("n1"), expr=Mul(Pow(Const(-1),...
COMB
null
COUNT
sympy
BINOMIAL_ALTERNATING
[ "BINOMIAL_ALTERNATING" ]
c21569
comb_count_derangements_v1
null
4
2
[ "BINOMIAL_ALTERNATING" ]
1
0.001
2026-02-08T16:54:00.455733Z
{ "verified": true, "answer": 37449, "timestamp": "2026-02-08T16:54:00.457104Z" }
c74f81
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 154, "completion_tokens": 2526 }, "timestamp": "2026-02-17T14:15:37.773Z", "answer": 37449 }, ...
1
[ { "lemma": "BINOMIAL_ALTERNATING", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "stat...
{ "lo": -2.38, "mid": 1.74, "hi": 6.59 }
ccf211
modular_mod_compute_v1_124444284_4871
Let $S$ be the set of all ordered pairs $(x,y)$ of positive integers such that $xy = 4937284$. Define $a$ to be the minimum value of $x + y$ over all pairs $(x,y) \in S$. Compute the remainder when $a$ is divided by $29929$.
4,444
graphs = [ Graph( let={ "a": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Mul(Var("x"), Var("y")), Const(4937284)))), expr=Sum(Var("x"), Var("y")))), "m": Const(2992...
NT
null
COMPUTE
sympy
LIN_FORM
[ "B3" ]
0cd20d
modular_mod_compute_v1
null
5
0
[ "B3", "LIN_FORM" ]
2
0.036
2026-02-08T06:16:34.307890Z
{ "verified": true, "answer": 4444, "timestamp": "2026-02-08T06:16:34.344239Z" }
cfe5c0
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": 1034 }, "timestamp": "2026-02-12T22:31:59.759Z", "answer": 4444 }, {...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
37b005
antilemma_sum_equals_v1_677425708_2347
Let $n$ be the number of ordered pairs $(i, j)$ where $i \in \{1, 2\}$ and $j \in \{1, 2, \dots, 13\}$. Determine the number of ordered pairs $(i, j)$ of integers with $1 \leq i \leq 26$ and $1 \leq j \leq 26$ such that $i + j = n$.
25
graphs = [ Graph( let={ "_n": CountOverSet(set=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(2)), right=IntegerRange(start=Const(1), end=Const(13)))), "x": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=Eq(Sum(Var("i"), Var("j")), Ref...
COMB
GEOM
COMPUTE
sympy
COUNT_CARTESIAN
[ "COUNT_CARTESIAN/COUNT_SUM_EQUALS", "COUNT_SUM_EQUALS" ]
8bee9e
antilemma_sum_equals_v1
null
2
0
[ "COUNT_CARTESIAN", "COUNT_SUM_EQUALS" ]
2
0.009
2026-02-08T05:00:48.250403Z
{ "verified": true, "answer": 25, "timestamp": "2026-02-08T05:00:48.259196Z" }
7bf527
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": 678 }, "timestamp": "2026-02-24T02:35:12.578Z", "answer": 25 }, { "id":...
1
[ { "lemma": "COUNT_CARTESIAN", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", ...
{ "lo": -5.97, "mid": -3.96, "hi": -1.93 }
c787b6
comb_count_permutations_fixed_v1_601307018_7038
Let $D_n$ denote the number of derangements of $n$ elements. For an integer $a$ with $0 \le a \le 1848$, define $S = (2a^3 - a^2 - 5a - 2) \bmod 1849$, $T = (2S^3 - S^2 - 5S - 2) \bmod 1849$, $K = (2T^3 - T^2 - 5T - 2) \bmod 1849$, and $L = (2K^3 - K^2 - 5K - 2) \bmod 1849$. Let $n$ be the number of values of $a$ such ...
44,216
graphs = [ Graph( let={ "_m": Const(1849), "_n": Const(2), "n": CountOverSet(set=SolutionsSet(var=Var("a"), condition=And(Geq(Var("a"), Const(0)), Leq(Var("a"), Const(1848)), Eq(Ref("_po_p4"), Var("a")), Neq(Ref("_po_p1"), Var("a")), Neq(Ref("_po_p2"), Var("a")), Neq(Ref(...
COMB
null
COUNT
sympy
COUNT_CARTESIAN
[ "COUNT_CARTESIAN/POLY_ORBIT_HENSEL" ]
210e2a
comb_count_permutations_fixed_v1
null
7
0
[ "COUNT_CARTESIAN", "POLY_ORBIT_HENSEL" ]
2
0.011
2026-03-10T07:41:05.983426Z
{ "verified": true, "answer": 44216, "timestamp": "2026-03-10T07:41:05.994466Z" }
74e5e2
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 313, "completion_tokens": 11774 }, "timestamp": "2026-04-19T05:51:01.197Z", "answer": 44216 }, { ...
1
[ { "lemma": "COUNT_CARTESIAN", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "POLY_ORBIT_HENSEL", "status": "ok_later" }, { "lemma": "V7", "status": "no" }, { "lemma":...
{ "lo": -5.34, "mid": 1.1, "hi": 7.53 }
71c2b4
comb_binomial_compute_v1_677425708_1311
Let $n = 13$. Let $k$ be the smallest divisor of $148225$ that is at least $2$. Compute $\binom{n}{k}$.
1,287
graphs = [ Graph( let={ "n": Const(13), "k": MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(2)), Divides(divisor=Var("d"), dividend=Const(148225))))), "result": Binom(n=Ref("n"), k=Ref("k")), }, goal=Ref("result"), ) ]
NT
null
COMPUTE
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR" ]
bc3776
comb_binomial_compute_v1
null
3
0
[ "MIN_PRIME_FACTOR" ]
1
0.002
2026-02-08T04:05:08.873691Z
{ "verified": true, "answer": 1287, "timestamp": "2026-02-08T04:05:08.875616Z" }
9b7140
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 147, "completion_tokens": 952 }, "timestamp": "2026-02-09T18:23:13.820Z", "answer": 1287 }, { "id...
2
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "MOD_MUL", "status": "no" }...
{ "lo": -9.14, "mid": -6.05, "hi": -3.74 }
b79b11
geo_count_lattice_triangle_v1_1820931509_406
Let $A$ be the area of a triangle with vertices at $(0,0)$, $(169,8)$, and $(41,120)$, multiplied by 2. Let $B$ be the number of lattice points on the boundary of this triangle. Compute the value of $2584 - \frac{A - B + 2}{2}$, and find the remainder when this value is divided by $71566$.
64,182
graphs = [ Graph( let={ "area_2x": Abs(arg=Sum(Mul(Const(value=169), Const(value=120)), Mul(Const(value=41), Sub(left=Const(value=0), right=Const(value=8))))), "boundary": Sum(GCD(a=Abs(arg=Const(value=169)), b=Abs(arg=Const(value=8))), GCD(a=Abs(arg=Sub(left=Const(value=41), right=C...
ALG
NT
COUNT
sympy
[]
geo_count_lattice_triangle_v1
null
4
0
null
null
0.002
2026-02-08T11:34:54.180494Z
{ "verified": true, "answer": 64182, "timestamp": "2026-02-08T11:34:54.182794Z" }
c0549d
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 131, "completion_tokens": 1742 }, "timestamp": "2026-02-14T16:05:52.645Z", "answer": 64182 }, ...
1
[]
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
56ee80
sequence_lucas_compute_v1_655260480_73
Let $n$ be the largest prime number not exceeding 21. Define $L_n$ to be the $n$-th Lucas number, where the Lucas sequence is defined by $L_1 = 1$, $L_2 = 3$, and $L_k = L_{k-1} + L_{k-2}$ for $k \geq 3$. Compute the remainder when $12887 \cdot L_n$ is divided by 73947.
20,900
graphs = [ Graph( let={ "_n": Const(21), "n": MaxOverSet(set=SolutionsSet(var=Var("n1"), condition=And(Geq(Var("n1"), Const(2)), Leq(Var("n1"), Ref("_n")), IsPrime(Var("n1"))))), "result": Lucas(arg=Ref(name='n')), "Q": Mod(value=Mul(Const(12887), Ref("result"...
NT
null
COMPUTE
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW" ]
dc3ad3
sequence_lucas_compute_v1
null
3
0
[ "MAX_PRIME_BELOW" ]
1
0.003
2026-02-08T15:09:51.661266Z
{ "verified": true, "answer": 20900, "timestamp": "2026-02-08T15:09:51.663933Z" }
2d7511
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 144, "completion_tokens": 1306 }, "timestamp": "2026-02-16T00:29:08.064Z", "answer": 20900 }, ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "V5", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
e4ae65
antilemma_k3_v1_865884756_3624
Let $n = 35663$. Define $x$ to be the sum of $\phi(d)$ over all positive divisors $d$ of $n$, where $\phi$ denotes Euler's totient function. Let $Q$ be the remainder when $76223 \cdot x$ is divided by $98104$. Compute $Q$.
75,217
graphs = [ Graph( let={ "_n": Const(35663), "x": SumOverDivisors(n=Ref(name='_n'), var='d', expr=EulerPhi(n=Var(name='d'))), "Q": Mod(value=Mul(Const(76223), Ref("x")), modulus=Const(98104)), }, goal=Ref("Q"), ) ]
NT
COMB
COMPUTE
sympy
K3
[ "K3" ]
54c41e
antilemma_k3_v1
null
3
0
[ "K3" ]
1
0.001
2026-02-08T17:31:30.067958Z
{ "verified": true, "answer": 75217, "timestamp": "2026-02-08T17:31:30.068678Z" }
954ce7
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": 2293 }, "timestamp": "2026-02-18T03:33:25.048Z", "answer": 75217 }, ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K3", "status": "ok" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
d12222
antilemma_sum_equals_v1_1918700295_3511
Let $d = 57600$. Let $c$ be the number of integers $t$ such that $27 \leq t \leq 408$ and there exist integers $a$ and $b$ with $1 \leq a \leq 8$, $1 \leq b \leq 40$, and $t = 21a + 6b$. 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 orde...
57,542
graphs = [ Graph( let={ "_d": Const(57600), "_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'), right=Const(value=8)), Geq(left=V...
COMB
GEOM
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM/COMB1/COUNT_SUM_EQUALS", "COUNT_SUM_EQUALS/COUNT_SUM_EQUALS", "COUNT_SUM_EQUALS" ]
bb8f40
antilemma_sum_equals_v1
null
5
0
[ "COMB1", "COUNT_SUM_EQUALS", "LIN_FORM" ]
3
0.013
2026-02-08T08:40:34.265818Z
{ "verified": true, "answer": 57542, "timestamp": "2026-02-08T08:40:34.278457Z" }
35b428
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 334, "completion_tokens": 16835 }, "timestamp": "2026-02-24T09:49:36.138Z", "answer": 57542 }, { ...
1
[ { "lemma": "COMB1", "status": "ok_later" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma...
{ "lo": -2.35, "mid": 1.22, "hi": 4.84 }
59e685
antilemma_k2_v1_1742523217_3527
Let $ S $ be the set of all ordered pairs $ (k, j) $ of positive integers such that $ 1 \leq k \leq 362 $ and $ 1 \leq j \leq 8 $. For each such pair, compute $ \phi(k) \left\lfloor \frac{362}{k} \right\rfloor $. Let $ T $ be the sum of these values over all pairs in $ S $. Compute $ \frac{3T}{24} $.
65,703
graphs = [ Graph( let={ "_m": Const(24), "_n": Const(362), "x": Div(Mul(Const(3), SumOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("k"), Var("_j")]), condition=Const(1), domain=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(362)), right=Int...
NT
COMB
COMPUTE
sympy
SUM_INDEPENDENT
[ "SUM_INDEPENDENT", "K2" ]
d64c9f
antilemma_k2_v1
null
6
0
[ "K2", "SUM_INDEPENDENT" ]
2
0.002
2026-02-08T05:55:37.553088Z
{ "verified": true, "answer": 65703, "timestamp": "2026-02-08T05:55:37.554741Z" }
6914a2
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 148, "completion_tokens": 1237 }, "timestamp": "2026-02-12T17:34:06.648Z", "answer": 65703 }, ...
1
[ { "lemma": "K14", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "SUM_I...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
380428
modular_mod_compute_v1_784195855_3803
Let $m$ be the minimum value of $x + y$ over all ordered pairs $(x, y)$ of positive integers such that $xy = 3694084$. Compute the remainder when $-231$ is divided by $m$.
3,613
graphs = [ Graph( let={ "a": Const(-231), "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(3694084)))), expr=Sum(Var("x"), Var("y")))...
NT
null
COMPUTE
sympy
B3
[ "B3" ]
0cd20d
modular_mod_compute_v1
null
4
0
[ "B3" ]
1
0.001
2026-02-08T06:39:01.449864Z
{ "verified": true, "answer": 3613, "timestamp": "2026-02-08T06:39:01.451152Z" }
565d65
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 96, "completion_tokens": 707 }, "timestamp": "2026-02-13T02:46:27.783Z", "answer": 3613 }, { ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V1", "status": "no" } ]
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
9ec3a5
alg_qf_psd_min_v1_1218484723_7015
Find the minimum value of $38800b^2 + 12125a^2 + 19400ab$ over all ordered pairs $(a, b)$ of positive integers with $1 \leq a \leq 159$ and $1 \leq b \leq B$, where $B$ is the number of pairs $(a_1, b_1)$ of positive integers with $1 \leq a_1, b_1 \leq 25$ such that $-2a_1b_1 + C \cdot a_1^2 + 2b_1^2 \leq 1000$, and $C...
70,325
graphs = [ Graph( let={ "_m": Const(4), "_n": Const(25), "result": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), Const(159)), Geq(Var("b"), Const(1)), Leq(Var("b"), CountOverSet(se...
ALG
null
COMPUTE
sympy
POLY4_COUNT
[ "POLY4_COUNT/QF_PSD_COUNT_LEQ" ]
94cd2a
alg_qf_psd_min_v1
null
7
0
[ "POLY4_COUNT", "QF_PSD_COUNT_LEQ" ]
2
0.052
2026-02-25T08:26:39.661594Z
{ "verified": true, "answer": 70325, "timestamp": "2026-02-25T08:26:39.714011Z" }
9cea64
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 343, "completion_tokens": 4430 }, "timestamp": "2026-05-03T11:45:13.760Z", "answer": 70325 }, { ...
1
[ { "lemma": "POLY4_COUNT", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "QF_PSD_COUNT_LEQ", "status": "ok_later" } ]
{ "lo": -6.2, "mid": -2.86, "hi": 0.47 }
52988d
comb_count_surjections_v1_1520064083_4540
Let $n$ be the number of elements in the Cartesian product $\{1,2\} \times \{1,2,3\}$. Let $k$ be the number of ordered pairs $(i,j)$ of integers with $1 \leq i,j \leq 6$ such that $i+j = 8$. Define $x = k! \cdot S(n,k)$, where $S(n,k)$ denotes the Stirling number of the second kind. Find the remainder when $44121x$ is...
48,512
graphs = [ Graph( let={ "_m": Const(8), "_n": Const(72616), "n": CountOverSet(set=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(2)), right=IntegerRange(start=Const(1), end=Const(3)))), "k": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("...
COMB
null
COUNT
sympy
COUNT_SUM_EQUALS
[ "COUNT_SUM_EQUALS", "COUNT_CARTESIAN" ]
e4fc6a
comb_count_surjections_v1
null
4
0
[ "COUNT_CARTESIAN", "COUNT_SUM_EQUALS" ]
2
0.011
2026-02-08T06:19:05.015702Z
{ "verified": true, "answer": 48512, "timestamp": "2026-02-08T06:19:05.026536Z" }
154e51
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 227, "completion_tokens": 1149 }, "timestamp": "2026-02-24T05:50:19.688Z", "answer": 48512 }, { "...
1
[ { "lemma": "COUNT_CARTESIAN", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", ...
{ "lo": -2.46, "mid": 0.47, "hi": 3.59 }
4ceb69
nt_sum_over_divisible_v1_1439011603_1107
Let $P$ be the set of all ordered pairs $(x, y)$ of positive integers such that $xy = 255025$. Let $s_{\text{min}}$ be the minimum value of $x + y$ over all $(x, y) \in P$. Let $U$ be the set of all positive integers $n$ such that $n \leq s_{\text{min}}$ and $n$ is divisible by 101. Define $N$ to be the sum of all elem...
84,165
graphs = [ Graph( let={ "_m": Const(101), "_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(255025)))), expr=Sum(Var("x"), Var("y")))...
NT
null
SUM
sympy
LIN_FORM
[ "B3/SUM_DIVISIBLE" ]
138b1a
nt_sum_over_divisible_v1
null
5
0
[ "B3", "LIN_FORM", "SUM_DIVISIBLE" ]
3
4.782
2026-02-08T15:54:47.362785Z
{ "verified": true, "answer": 84165, "timestamp": "2026-02-08T15:54:52.145041Z" }
2ab03e
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 203, "completion_tokens": 1224 }, "timestamp": "2026-02-16T16:38:20.359Z", "answer": 84165 }, ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "SUM_DIVISIBLE", "status":...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
c18ca5_n
comb_count_permutations_fixed_v1_1419126231_1631
A puzzle designer creates combinations using two types of tokens: red tokens worth 3 points and blue tokens worth 2 points. Each combination uses between 1 and 3 red tokens and 1 to 4 blue tokens. Let $n$ be the number of distinct total scores between 5 and 17 achievable this way. Separately, a cryptographic counter co...
2,970
COMB
null
COUNT
sympy
POLY_ORBIT_LEGENDRE
[ "POLY_ORBIT_HENSEL/SUM_GEOM", "LIN_FORM", "ZERO_BINOM_N" ]
60b437
comb_count_permutations_fixed_v1
null
6
null
[ "LIN_FORM", "POLY_ORBIT_HENSEL", "POLY_ORBIT_LEGENDRE", "SUM_GEOM", "ZERO_BINOM_N" ]
5
0.025
2026-02-25T11:10:13.043709Z
null
2fccb7
c18ca5
narrative
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 280, "completion_tokens": 3773 }, "timestamp": "2026-03-31T04:58:50.838Z", "answer": 14684570 }, {...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "POLY_ORBIT_HENSEL", "status": "ok" }, { "lemma": "SUM_GEOM", ...
{ "lo": 3.8, "mid": 6.33, "hi": 9.49 }
87c399
nt_count_with_divisor_count_v1_677425708_3717
Let $S$ be the set of all ordered pairs $(x,y)$ of positive integers such that $x + y = 6$. Let $M$ be the maximum value of $xy$ over all pairs $(x,y) \in S$. Determine the number of positive integers $n \leq 32768$ such that the number of positive divisors of $n$ is equal to $M$.
54
graphs = [ Graph( let={ "upper": Const(32768), "div_count": MaxOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Sum(Var("x"), Var("y")), Const(6)))), expr=Mul(Var("x"), Var...
NT
null
COUNT
sympy
B1
[ "B1" ]
5b950e
nt_count_with_divisor_count_v1
null
4
0
[ "B1" ]
1
1.605
2026-02-08T05:54:52.939353Z
{ "verified": true, "answer": 54, "timestamp": "2026-02-08T05:54:54.544365Z" }
fc0d31
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 129, "completion_tokens": 1665 }, "timestamp": "2026-02-12T16:43:06.379Z", "answer": 54 }, { ...
1
[ { "lemma": "B1", "status": "ok" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
1cc2cf
antilemma_k3_v1_1915831931_1312
Let $x = \sum_{d \mid 88820} \phi(d)$, where $\phi$ denotes Euler's totient function. Compute the remainder when $37747 \cdot x$ is divided by $93430$.
46,420
graphs = [ Graph( let={ "x": SumOverDivisors(n=Const(value=88820), var='d', expr=EulerPhi(n=Var(name='d'))), "_c": Const(37747), "Q": Mod(value=Mul(Ref("_c"), Ref("x")), modulus=Const(93430)), }, goal=Ref("Q"), ) ]
NT
COMB
COMPUTE
sympy
K3
[ "K3" ]
54c41e
antilemma_k3_v1
null
2
0
[ "K3" ]
1
0.001
2026-02-08T15:59:48.658814Z
{ "verified": true, "answer": 46420, "timestamp": "2026-02-08T15:59:48.659749Z" }
40ad2b
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 93, "completion_tokens": 6407 }, "timestamp": "2026-02-16T19:32:29.610Z", "answer": 46420 }, {...
1
[ { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K3", "status": "ok" }, { "lemma": "K5", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "V8_SUM", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
eb83d0
nt_sum_gcd_range_mod_v1_1978505735_4547
Let $k$ be the number of integers $t$ such that $20 \leq t \leq 330$ and there exist integers $a$ and $b$ satisfying $1 \leq a \leq 48$, $1 \leq b \leq 3$, and $t = 6a + 14b$. Define $$ S = \sum_{n=1}^{2023} \gcd(n, k). $$ Let $M = 10067$ and let $r$ be the remainder when $S$ is divided by $M$. Compute the remainder wh...
1,483
graphs = [ Graph( let={ "_n": Const(55889), "N": Const(2023), "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'), righ...
NT
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
nt_sum_gcd_range_mod_v1
null
6
0
[ "LIN_FORM" ]
1
0.088
2026-02-08T18:19:06.591502Z
{ "verified": true, "answer": 1483, "timestamp": "2026-02-08T18:19:06.679598Z" }
5cb133
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 181, "completion_tokens": 5125 }, "timestamp": "2026-02-18T16:07:20.817Z", "answer": 1483 }, {...
1
[ { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status":...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
5c7908
comb_bell_compute_v1_458359167_1821
Let $S$ be the set of all ordered pairs $(x, y)$ of positive integers such that $xy = 16$. Define $n$ to be the minimum value of $x + y$ as $(x, y)$ ranges over $S$. Let $B_n$ denote the $n$th Bell number, which counts the number of partitions of an $n$-element set. Compute the sum of the number of positive divisors of...
35,136
graphs = [ Graph( let={ "_n": Const(16), "n": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Mul(Var("x"), Var("y")), Ref("_n")))), expr=Sum(Var("x"), Var("y")))), ...
NT
COMB
COMPUTE
sympy
B3
[ "B3" ]
0cd20d
comb_bell_compute_v1
null
7
0
[ "B3" ]
1
0.002
2026-02-08T04:51:59.618961Z
{ "verified": true, "answer": 35136, "timestamp": "2026-02-08T04:51:59.620490Z" }
3f6b0b
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 214, "completion_tokens": 2946 }, "timestamp": "2026-02-11T22:25:49.162Z", "answer": 35136 }, { ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "V3", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -3.42, "mid": 1.86, "hi": 7.55 }
07ad10
algebra_quadratic_discriminant_v1_655260480_2894
Let $a = 1$, $b$ be the minimum value of $x + y$ over all ordered pairs $(x, y)$ of positive integers such that $xy = 36$, and $c = 36$. Compute the value of $b^2 - 4ac$.
0
graphs = [ Graph( let={ "_n": Const(36), "a": Const(1), "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")), Ref("_n")))), expr=Sum...
NT
null
COMPUTE
sympy
MOBIUS_COPRIME
[ "B3" ]
0cd20d
algebra_quadratic_discriminant_v1
null
4
0
[ "B3", "MOBIUS_COPRIME" ]
2
0.05
2026-02-08T17:03:19.312349Z
{ "verified": true, "answer": 0, "timestamp": "2026-02-08T17:03:19.362430Z" }
ce9fd9
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 118, "completion_tokens": 233 }, "timestamp": "2026-02-16T08:58:33.163Z", "answer": 0 }, { "id": 11, "...
2
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" } ]
{ "lo": -10, "mid": -7.27, "hi": -4.54 }
672366
alg_poly_orbit_count_v1_601307018_8229
Let $N = a^2 \bmod 43$, $M = N^2 \bmod 43$, and $R = M^2 \bmod 43$. Find the number of non-negative integers $a$ with $0 \leq a \leq 39000$ such that $R = a$, $N \neq a$, and $M \neq a$.
5,442
graphs = [ Graph( let={ "p1": Mod(value=Pow(Var("a"), Const(2)), modulus=Const(43)), "p2": Mod(value=Pow(Ref("p1"), Const(2)), modulus=Const(43)), "p3": Mod(value=Pow(Ref("p2"), Const(2)), modulus=Const(43)), "result": CountOverSet(set=SolutionsSet(var=Var("a"...
ALG
null
COUNT
sympy
POLY_ORBIT_COUNT
[ "POLY_ORBIT_COUNT" ]
4ad965
alg_poly_orbit_count_v1
null
7
null
[ "POLY_ORBIT_COUNT" ]
1
0.011
2026-03-10T08:44:51.857329Z
{ "verified": true, "answer": 5442, "timestamp": "2026-03-10T08:44:51.868586Z" }
2aaada
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": 3001 }, "timestamp": "2026-04-19T08:32:09.157Z", "answer": 5442 }, { "...
1
[ { "lemma": "POLY_ORBIT_COUNT", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": -5.34, "mid": 1.1, "hi": 7.53 }
521904
algebra_quadratic_discriminant_v1_677425708_4117
Let $a = 2$, $b = 0$, and $c = \sum_{k=0}^{10} (-1)^k \binom{10}{k}$. Compute $b^2 - 4ac$.
0
graphs = [ Graph( let={ "a": Const(2), "b": Const(0), "c": Summation(var="k", start=Const(0), end=Const(10), expr=Mul(Pow(Const(-1), Var("k")), Binom(n=Const(10), k=Var("k")))), "result": Sub(Pow(Ref("b"), Const(2)), Mul(Const(4), Ref("a"), Ref("c"))), ...
COMB
null
COMPUTE
sympy
COPRIME_PAIRS
[ "BINOMIAL_ALTERNATING" ]
c21569
algebra_quadratic_discriminant_v1
null
2
0
[ "BINOMIAL_ALTERNATING", "COPRIME_PAIRS" ]
2
0.002
2026-02-08T06:26:01.779744Z
{ "verified": true, "answer": 0, "timestamp": "2026-02-08T06:26:01.782095Z" }
8b07d8
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 159, "completion_tokens": 249 }, "timestamp": "2026-02-24T06:08:36.205Z", "answer": 0 }, { "id": ...
2
[ { "lemma": "BINOMIAL_ALTERNATING", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8_SUM", "stat...
{ "lo": -10, "mid": -7.79, "hi": -5.57 }
7f557a
algebra_quadratic_discriminant_v1_124444284_1807
Let $a = 1$, $b = 5$, and $c = 15$. Compute the discriminant $D = b^2 - 4ac$. Define $$\alpha = \begin{cases} 2 & \text{if } D > 0, \\ 1 & \text{if } D = 0, \\ 0 & \text{otherwise}. \end{cases}$$ Let $S$ be the set of all real solutions to the equation $x^2 - 4x - 357 = 0$. Compute the value of $$\left( \sum_{x \in S} ...
4
graphs = [ Graph( let={ "a": Const(1), "b": Const(5), "c": Const(15), "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
VIETA_SUM
[ "VIETA_SUM" ]
4b7103
algebra_quadratic_discriminant_v1
negation_mod
3
0
[ "VIETA_SUM" ]
1
0.002
2026-02-08T04:09:30.158185Z
{ "verified": true, "answer": 4, "timestamp": "2026-02-08T04:09:30.160211Z" }
1e1b42
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 250, "completion_tokens": 456 }, "timestamp": "2026-02-10T15:33:48.443Z", "answer": 4 }, { "id":...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "VIETA_SUM", "status": "ok" } ]
{ "lo": -9.14, "mid": -6.05, "hi": -3.73 }