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a1ed0d
modular_sum_quadratic_residues_v1_1353956133_406
Let $p$ be the largest prime number less than or equal to 277. Define $r = \frac{p(p-1)}{4}$. Compute the remainder when $20810 \cdot r$ is divided by 69449.
7,107
graphs = [ Graph( let={ "_n": Const(69449), "p": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Const(277)), IsPrime(Var("n"))))), "result": Div(Mul(Ref("p"), Sub(Ref("p"), Const(1))), Const(4)), "Q": Mod(value=M...
NT
null
SUM
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW" ]
dc3ad3
modular_sum_quadratic_residues_v1
null
4
0
[ "MAX_PRIME_BELOW" ]
1
0.001
2026-02-08T11:26:14.932514Z
{ "verified": true, "answer": 7107, "timestamp": "2026-02-08T11:26:14.933637Z" }
a32655
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 95, "completion_tokens": 1154 }, "timestamp": "2026-02-14T13:44:13.880Z", "answer": 7107 }, { ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "n...
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
d85969
diophantine_fbi2_count_v1_971394319_275
Let $k$ be the number of prime numbers $n$ such that $2 \leq n \leq 2423$. Let $d$ be an integer satisfying $2 \leq d \leq 51$, $d$ divides $k$, and $3 \leq \frac{k}{d} \leq 52$. Let $r$ be the number of such integers $d$. Compute the remainder when $42695 \cdot r$ is divided by $80618$.
28,632
graphs = [ Graph( let={ "_n": Const(51), "k": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Const(2423)), IsPrime(Var("n"))))), "result": CountOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(2)), ...
NT
null
COUNT
sympy
COUNT_PRIMES
[ "COUNT_PRIMES" ]
07c874
diophantine_fbi2_count_v1
null
4
0
[ "COUNT_PRIMES" ]
1
0.007
2026-02-08T12:56:17.591967Z
{ "verified": true, "answer": 28632, "timestamp": "2026-02-08T12:56:17.599442Z" }
afc411
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 145, "completion_tokens": 1363 }, "timestamp": "2026-02-15T08:04:41.497Z", "answer": 28632 }, ...
1
[ { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "ok" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no"...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
3ad4b1
nt_sum_divisors_mod_v1_1915831931_2455
Consider the set of all ordered pairs $(x, y)$ of positive integers such that $xy = 176400$. For each such pair, compute $x + y$. Let $n$ be the minimum value of $x + y$ over all such pairs. Let $\sigma$ denote the sum of all positive divisors of $n$. Compute the value of $\sigma \mod 11321$.
2,880
graphs = [ Graph( let={ "n": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Mul(Var("x"), Var("y")), Const(176400)))), expr=Sum(Var("x"), Var("y")))), "M": Const(11321...
NT
null
COMPUTE
sympy
B3
[ "B3" ]
0cd20d
nt_sum_divisors_mod_v1
null
4
0
[ "B3" ]
1
0.006
2026-02-08T16:51:10.329960Z
{ "verified": true, "answer": 2880, "timestamp": "2026-02-08T16:51:10.335625Z" }
eae59e
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 128, "completion_tokens": 1198 }, "timestamp": "2026-02-17T15:15:13.205Z", "answer": 2880 }, {...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "V8", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
495569
comb_count_partitions_v1_784195855_5092
Let $T$ be the set of all integers $t$ such that $5 \leq t \leq 17$ and there exist positive integers $a$ and $b$ with $1 \leq a \leq 3$, $1 \leq b \leq 4$, and $t = 3a + 2b$. Let $n_2$ be the number of elements in $T$. Define $v = \sum_{k=0}^{n_2} (-1)^k \binom{n_2}{k}$. Let $S$ be the set of all ordered pairs $(x_1, ...
31,185
graphs = [ Graph( let={ "_n": Const(39), "n2": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=3)), Geq(left=Var(...
COMB
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM/BINOMIAL_ALTERNATING", "COMB1/BINOMIAL_ALTERNATING" ]
1b81bd
comb_count_partitions_v1
null
7
2
[ "BINOMIAL_ALTERNATING", "COMB1", "LIN_FORM" ]
3
0.003
2026-02-08T07:39:46.893588Z
{ "verified": true, "answer": 31185, "timestamp": "2026-02-08T07:39:46.896310Z" }
65b0c6
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 335, "completion_tokens": 1721 }, "timestamp": "2026-02-24T08:20:07.210Z", "answer": 31185 }, { "...
1
[ { "lemma": "BINOMIAL_ALTERNATING", "status": "ok_later" }, { "lemma": "C2", "status": "no" }, { "lemma": "COMB1", "status": "ok" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V7", "status": ...
{ "lo": 1.15, "mid": 4.18, "hi": 6.61 }
810688
antilemma_sum_equals_v1_1918700295_2727
Compute the number of ordered pairs of positive integers $(i, j)$ such that $i + j = 39$, $1 \leq i \leq 37$, and $1 \leq j \leq 38$.
37
graphs = [ Graph( let={ "x": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=Eq(Sum(Var("i"), Var("j")), Const(39)), domain=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(37)), right=IntegerRange(start=Const(1), end=Const(38))))), }, ...
COMB
GEOM
COMPUTE
sympy
LIN_FORM
[ "COUNT_SUM_EQUALS" ]
75ab0f
antilemma_sum_equals_v1
null
2
0
[ "COUNT_SUM_EQUALS", "LIN_FORM" ]
2
0.091
2026-02-08T08:10:56.347515Z
{ "verified": true, "answer": 37, "timestamp": "2026-02-08T08:10:56.438769Z" }
e2dfb2
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": 356 }, "timestamp": "2026-02-24T09:00:18.656Z", "answer": 37 }, { "id":...
2
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status"...
{ "lo": -10, "mid": -7.79, "hi": -5.57 }
c08ed9
comb_count_permutations_fixed_v1_655260480_2221
Let $n = 7$. Let $S$ be the set of all ordered pairs $(k_1, j)$ where $k_1 \in \{1, 2\}$ and $j \in \{1, 2, 3\}$. Define $$ k = \frac{3}{9} \sum_{(k_1, j) \in S} k_1. $$ Define $$ \text{result} = \binom{n}{k} \cdot !(n - k), $$ where $!m$ denotes the number of derangements of $m$ elements. Let $Q = \text{result}$. Comp...
315
graphs = [ Graph( let={ "n": Const(7), "k": Div(Mul(Const(3), SumOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("k1"), Var("_j")]), condition=Const(1), domain=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(2)), right=IntegerRange(start=Const(1), end=Con...
COMB
null
COUNT
sympy
SUM_INDEPENDENT
[ "SUM_INDEPENDENT", "SUM_ARITHMETIC" ]
9f7183
comb_count_permutations_fixed_v1
null
3
0
[ "SUM_ARITHMETIC", "SUM_INDEPENDENT" ]
2
0.003
2026-02-08T16:37:22.771313Z
{ "verified": true, "answer": 315, "timestamp": "2026-02-08T16:37:22.774685Z" }
d221cd
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": 985 }, "timestamp": "2026-02-24T21:45:53.786Z", "answer": 315 }, { ...
1
[ { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "SUM_ARITHMETIC", "status": "ok" }, { "lemma": "SUM_INDEPENDENT", "status": "ok" }, { "lemma"...
{ "lo": -8.52, "mid": -5.43, "hi": -3.2 }
994a2d_n
alg_sum_powers_v1_1218484723_623
A solar panel array is to be arranged as a rectangle with area $1600225$ square units using only whole-number side lengths. The installation team wants to minimize the total perimeter, so they choose dimensions $x$ and $y$ that minimize $x + y$. Meanwhile, a sensor logs the sum of squares of the first $1490$ positive i...
53,671
ALG
null
COMPUTE
sympy
B3
[ "B3" ]
0cd20d
alg_sum_powers_v1
null
4
null
[ "B3" ]
1
0.061
2026-02-25T02:22:36.241928Z
null
3e0c4b
994a2d
narrative
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 217, "completion_tokens": 32768 }, "timestamp": "2026-03-30T15:42:01.512Z", "answer": null }, { ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": 1.5, "mid": 4.69, "hi": 7.23 }
612441_l
algebra_quadratic_discriminant_v1_124444284_7950
Let $a = 1$, $b = 2$, and $c = 1$. Define the discriminant $D = b^2 - 4ac$. Let $r = 1$ if $D > 0$, and $r = 0$ otherwise. Let $s = 1$ if $$D = \sum_{k=0}^{9} (-1)^k \binom{9}{k},$$ and $s = 0$ otherwise. Define $t = 2r + s$. Compute $t$ multiplied by the number of lattice points $(x, y)$ such that $1 \leq x \leq 26$ a...
0
COMB
null
COMPUTE
sympy
COUNT_CARTESIAN
[ "COUNT_CARTESIAN", "BINOMIAL_ALTERNATING" ]
f28f83
algebra_quadratic_discriminant_v1
affine_mod
5
0
[ "BINOMIAL_ALTERNATING", "COUNT_CARTESIAN" ]
2
0.003
2026-02-08T09:28:49.153663Z
{ "verified": false, "answer": 5954, "timestamp": "2026-02-08T09:28:49.156249Z" }
b4951e
612441
legacy_text
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 263, "completion_tokens": 607 }, "timestamp": "2026-02-24T11:18:53.865Z", "answer": 5954 }, { "id...
1
[ { "lemma": "BINOMIAL_ALTERNATING", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "V7",...
{ "lo": -3.84, "mid": -1.67, "hi": 1.32 }
f3aca9
lin_form_endings_v1_784195855_5967
Let $a = 40$ and $b = 32$. Define $s = \gcd(a, b)$. Let $k = 180$ and compute $m = \left\lfloor \frac{k}{\gcd(k, s)} \right\rfloor$. Compute the value of $14288 \cdot m$ modulo $59394$.
49,020
graphs = [ Graph( let={ "a_coeff": Const(40), "b_coeff": Const(32), "k_val": Const(180), "step": GCD(a=Ref("a_coeff"), b=Ref("b_coeff")), "_inner_result": Floor(Div(Ref("k_val"), GCD(a=Ref("k_val"), b=Ref("step")))), "_scale_k": Const(1...
COMB
NT
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
lin_form_endings_v1
null
3
null
[ "LIN_FORM" ]
1
0.001
2026-02-08T08:13:57.789641Z
{ "verified": true, "answer": 49020, "timestamp": "2026-02-08T08:13:57.791108Z" }
d90c44
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 117, "completion_tokens": 493 }, "timestamp": "2026-02-13T15:58:24.150Z", "answer": 49020 }, {...
1
[ { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8_SUM", "s...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
c1a4f7
nt_count_coprime_and_v1_798873815_301
Let $k_1 = 11$ and let $k_2$ be the largest prime number less than or equal to $14$. Let $S$ be the set of positive integers $n$ such that $1 \leq n \leq 24886$, $\gcd(n, 11) = \sum_{d \mid \gcd(15, 22)} \mu(d)$, and $\gcd(n, k_2) = 1$, where $\mu$ denotes the M\"obius function. Let $N = |S|$, the number of elements in...
20,532
graphs = [ Graph( let={ "_n": Const(14), "upper": Const(24886), "k1": Const(11), "k2": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Ref("_n")), IsPrime(Var("n"))))), "result": CountOverSet(set=Solut...
NT
null
COUNT
sympy
MOBIUS_COPRIME
[ "MOBIUS_COPRIME", "MAX_PRIME_BELOW" ]
f86db3
nt_count_coprime_and_v1
null
7
0
[ "MAX_PRIME_BELOW", "MOBIUS_COPRIME" ]
2
2.56
2026-02-08T02:33:03.288528Z
{ "verified": true, "answer": 20532, "timestamp": "2026-02-08T02:33:05.848713Z" }
3091ba
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 269, "completion_tokens": 3993 }, "timestamp": "2026-02-08T19:19:54.005Z", "answer": 20532 }, { "...
1
[ { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "MOBIUS_COPRIME", "status": "ok" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V7", "status": "n...
{ "lo": 1.3, "mid": 4.19, "hi": 6.61 }
44ccde
nt_count_divisible_and_v1_458359167_1185
Let $N$ be the largest integer such that $1 \leq N \leq 53220$. Determine the number of positive integers $n \leq N$ that are divisible by 6 and satisfy $$ n \equiv \sum_{d \mid 6} \mu(d) \pmod{10}, $$ where $\mu$ denotes the Möbius function. Compute this count.
1,774
graphs = [ Graph( let={ "upper": Const(53220), "d1": Const(6), "d2": Const(10), "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(M...
NT
null
COUNT
sympy
MOBIUS_SUM
[ "MOBIUS_SUM" ]
518e32
nt_count_divisible_and_v1
null
4
0
[ "MOBIUS_SUM" ]
1
3.161
2026-02-08T04:28:52.421030Z
{ "verified": true, "answer": 1774, "timestamp": "2026-02-08T04:28:55.582469Z" }
8e13ca
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 185, "completion_tokens": 541 }, "timestamp": "2026-02-18T11:44:06.178Z", "answer": 1774 } ]
2
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "MOBIUS_SUM", "status": "ok" }, { "lemma": "V3", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -10, "mid": -6.47, "hi": -2.95 }
49fabd
comb_sum_binomial_row_v1_1520064083_7054
Let $n$ be the minimum value of $x + y$ over all ordered pairs $(x, y)$ of positive integers such that $xy = 49$. Compute $k^n$, where $k$ is the number of positive integers $p$ for which there exists a positive integer $q > p$ such that $pq = 6$ and $\gcd(p, q) = 1$.
16,384
graphs = [ Graph( let={ "_n": Const(49), "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
null
SUM
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS", "B3" ]
1999ea
comb_sum_binomial_row_v1
null
4
0
[ "B3", "COPRIME_PAIRS" ]
2
0.002
2026-02-08T08:43:45.027855Z
{ "verified": true, "answer": 16384, "timestamp": "2026-02-08T08:43:45.029963Z" }
d34d5b
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 145, "completion_tokens": 511 }, "timestamp": "2026-02-15T20:20:03.204Z", "answer": 4782969 }, { "id": ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "K5", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma...
{ "lo": -9.14, "mid": -6.05, "hi": -3.73 }
e61ab6
alg_poly_preperiod_count_v1_1218484723_3363
For each non-negative integer $a$ with $0 \leq a \leq 69945$, define $N = (a^2 + a) \bmod 41$, $M = (N^2 + N) \bmod 41$, $R = (M^2 + M) \bmod 41$, and $S = (R^2 + R) \bmod 41$. Find the number of such $a$ for which $S = M$ and $R \neq M€.
10,236
graphs = [ Graph( let={ "p1": Mod(value=Sum(Pow(Var("a"), Const(2)), Var("a")), modulus=Const(41)), "p2": Mod(value=Sum(Pow(Ref("p1"), Const(2)), Ref("p1")), modulus=Const(41)), "p3": Mod(value=Sum(Pow(Ref("p2"), Const(2)), Ref("p2")), modulus=Const(41)), "p4"...
ALG
null
COUNT
sympy
POLY_ORBIT_COUNT
[ "POLY_ORBIT_COUNT" ]
4ad965
alg_poly_preperiod_count_v1
null
5
null
[ "POLY_ORBIT_COUNT" ]
1
0.019
2026-02-25T05:02:49.214118Z
{ "verified": true, "answer": 10236, "timestamp": "2026-02-25T05:02:49.232814Z" }
cc4ce4
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": 11749 }, "timestamp": "2026-03-29T09:50:30.674Z", "answer": 10236 }, { ...
1
[ { "lemma": "POLY_ORBIT_COUNT", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": 1.55, "mid": 4.7, "hi": 7.23 }
35ca15
antilemma_k2_v1_898971024_289
Let $n = 166$. Define $$ x = \sum_{k=1}^{166} \phi(k) \left\lfloor \frac{166}{k} \right\rfloor, $$ where $\phi(k)$ denotes Euler's totient function. Compute $x$.
13,861
graphs = [ Graph( let={ "_n": Const(166), "x": Summation(var="k", start=Const(1), end=Const(166), expr=Mul(EulerPhi(n=Var("k")), Floor(Div(Ref("_n"), Var("k"))))), }, goal=Ref("x"), ) ]
NT
COMB
COMPUTE
sympy
K2
[ "K2" ]
6897ab
antilemma_k2_v1
null
4
0
[ "K2" ]
1
0.001
2026-02-08T15:20:02.630591Z
{ "verified": true, "answer": 13861, "timestamp": "2026-02-08T15:20:02.631995Z" }
75685f
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 104, "completion_tokens": 613 }, "timestamp": "2026-02-16T03:13:45.990Z", "answer": 13861 }, {...
1
[ { "lemma": "K18", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
b9f316
geo_count_lattice_triangle_v1_677425708_1985
Let $A = (0,0)$, $B = (105,196)$, and $C = (222,360)$. The area of triangle $ABC$ is $\frac{1}{2} \times \text{area}_{2x}$, where $\text{area}_{2x} = |105 \cdot 360 - 222 \cdot (-196)|$. Let $b$ be the number of lattice points on the boundary of triangle $ABC$, which is given by \[ b = \gcd(105,196) + \gcd(222-105,360-...
2,850
graphs = [ Graph( let={ "area_2x": Abs(arg=Sum(Mul(Const(value=105), Const(value=360)), Mul(Const(value=222), Sub(left=Const(value=0), right=Const(value=196))))), "boundary": Sum(GCD(a=Abs(arg=Const(value=105)), b=Abs(arg=Const(value=196))), GCD(a=Abs(arg=Sub(left=Const(value=222), r...
ALG
NT
COUNT
sympy
[]
geo_count_lattice_triangle_v1
null
5
0
null
null
0.006
2026-02-08T04:42:08.680722Z
{ "verified": true, "answer": 2850, "timestamp": "2026-02-08T04:42:08.686472Z" }
010dd8
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 301, "completion_tokens": 1209 }, "timestamp": "2026-02-10T04:01:21.966Z", "answer": 2850 }, { "i...
1
[]
{ "lo": -3.45, "mid": 1.15, "hi": 6.18 }
298da8
nt_lcm_compute_v1_1456120455_104
Let $a = 1107$ and $b = 1047$. Compute $\text{lcm}(a, b)$. Let $T$ be the set of all integers $t$ such that $44 \leq t \leq 21080$ and there exist positive integers $a$ and $b$ with $1 \leq a \leq 810$, $1 \leq b \leq 656$, and $t = 9a + 21b + 14$. Let $c$ be the number of elements in $T$. Let $d$ be the number of posi...
34,640
graphs = [ Graph( let={ "a": Const(1107), "b": Const(1047), "result": LCM(a=Ref("a"), b=Ref("b")), "_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'), r...
NT
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM", "C2" ]
2baf72
nt_lcm_compute_v1
two_moduli
7
0
[ "C2", "LIN_FORM" ]
2
0.003
2026-02-08T02:53:45.477589Z
{ "verified": true, "answer": 34640, "timestamp": "2026-02-08T02:53:45.480151Z" }
7bd0a2
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 313, "completion_tokens": 32768 }, "timestamp": "2026-02-23T17:54:10.571Z", "answer": 47332 }, { ...
0
[ { "lemma": "C2", "status": "ok" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "LTE_DIFF", "status": "no" }, { "...
{ "lo": 4.62, "mid": 6.54, "hi": 9.53 }
0f1c0d
alg_poly4_count_v1_601307018_2008
Let $M$ be the number of ordered pairs $(a, b)$ of positive integers with $1 \le a, b \le 35$ such that $10a^2 + 25b^2 - 18ab \le 4525$. Let $T = \sum_{\substack{(a_2, b_2, c) \,\text{with}\\ a_2^2 + b_2^2 + c^2 = a_2b_2 + b_2c + ca_2 \\ 5a_2 + 7b_2 + 6c = 198 \\ a_2, b_2, c \ge 1}} a_2^2 + b_2^2 + c^2$. Let $Q$ be the...
363
graphs = [ Graph( let={ "_m": Const(337), "_n": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), Const(35)), Geq(Var("b"), Const(1)), Leq(Var("b"), Const(35)), Leq(Sum(Mul(Const(10), Pow(Var("a"), Const(2))),...
ALG
null
COUNT
sympy
QF_PSD_COUNT_LEQ
[ "QF_PSD_COUNT_LEQ/SUM_SQUARES_IDENTITY" ]
c5cc1d
alg_poly4_count_v1
null
8
0
[ "QF_PSD_COUNT_LEQ", "SUM_SQUARES_IDENTITY" ]
2
1.384
2026-03-10T02:44:40.514259Z
{ "verified": true, "answer": 363, "timestamp": "2026-03-10T02:44:41.897985Z" }
3a70cd
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 339, "completion_tokens": 4962 }, "timestamp": "2026-04-18T16:01:08.837Z", "answer": 363 }, { "i...
1
[ { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "QF_PSD_COUNT_LEQ", "status": "ok" }, { "lemma": "SUM_SQUARES_IDENTITY", "status": "ok_later" } ]
{ "lo": 1.36, "mid": 4.42, "hi": 6.81 }
172682
modular_sum_quadratic_residues_v1_1874849503_1507
Let $m = 2$. Define $a_n = 1$ if $\gcd\left(n, t\right) = 1$ for some integer $t$ such that $10 \leq t \leq 42$ and there exist positive integers $a \leq 3$, $b \leq 7$ satisfying $t = 7a + 3b$; otherwise, let $a_n = 0$. Let $n$ be the number of positive integers $n$ with $1 \leq n \leq m$ such that $a_n = 1$. Let $p$ ...
3,164
graphs = [ Graph( let={ "_c": Const(4), "_m": Const(2), "_n": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("_m")), Eq(GCD(a=Var("n"), b=CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), ...
NT
null
SUM
sympy
LIN_FORM
[ "LIN_FORM/C4/MIN_PRIME_FACTOR" ]
4a5635
modular_sum_quadratic_residues_v1
null
6
0
[ "C4", "LIN_FORM", "MIN_PRIME_FACTOR" ]
3
0.007
2026-02-08T13:56:40.617350Z
{ "verified": true, "answer": 3164, "timestamp": "2026-02-08T13:56:40.624773Z" }
abe364
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 275, "completion_tokens": 7627 }, "timestamp": "2026-02-11T08:07:04.738Z", "answer": 3164 }, { "...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "C4", "status": "ok_later" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", ...
{ "lo": -5.48, "mid": 0.74, "hi": 7.52 }
dd199d
alg_poly_orbit_count_v1_1419126231_486
Let $N \equiv a^3 - 3a \pmod{83}$, $M \equiv N^3 - 3N \pmod{83}$, and $R \equiv M^3 - 3M \pmod{83}$. Find the number of non-negative integers $a$ with $0 \le a \le 61917$ such that $R = a$, $N \ne a$, and $M \ne a$.
8,952
graphs = [ Graph( let={ "p1": Mod(value=Sum(Pow(Var("a"), Const(3)), Mul(Const(-3), Var("a"))), modulus=Const(83)), "p2": Mod(value=Sum(Pow(Ref("p1"), Const(3)), Mul(Const(-3), Ref("p1"))), modulus=Const(83)), "p3": Mod(value=Sum(Pow(Ref("p2"), Const(3)), Mul(Const(-3), R...
ALG
null
COUNT
sympy
POLY_ORBIT_COUNT
[ "POLY_ORBIT_COUNT" ]
4ad965
alg_poly_orbit_count_v1
null
6
null
[ "POLY_ORBIT_COUNT" ]
1
0.014
2026-02-25T10:01:19.719906Z
{ "verified": true, "answer": 8952, "timestamp": "2026-02-25T10:01:19.734236Z" }
bab876
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 211, "completion_tokens": 23031 }, "timestamp": "2026-03-30T08:44:36.649Z", "answer": 12 }, { ...
1
[ { "lemma": "POLY_ORBIT_COUNT", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": 3.8, "mid": 6.33, "hi": 9.49 }
c4d5fc
antilemma_k2_v1_124444284_8748
Compute $\sum_{k=1}^{320} \phi(k) \left\lfloor \frac{320}{k} \right\rfloor$, where $\phi(k)$ denotes Euler's totient function.
51,360
graphs = [ Graph( let={ "x": Summation(var="k", start=Const(1), end=Const(320), expr=Mul(EulerPhi(n=Var("k")), Floor(Div(Const(320), Var("k"))))), }, goal=Ref("x"), ) ]
NT
COMB
COMPUTE
sympy
K2
[ "K2" ]
6897ab
antilemma_k2_v1
null
5
0
[ "K2" ]
1
0
2026-02-08T11:53:31.350934Z
{ "verified": true, "answer": 51360, "timestamp": "2026-02-08T11:53:31.351423Z" }
8fd2ed
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 88, "completion_tokens": 1263 }, "timestamp": "2026-02-14T20:16:48.485Z", "answer": 51360 }, {...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "VAL_SUM_EQ", "stat...
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
f88365
nt_count_divisible_and_v1_124444284_253
Let $d_1 = \sum_{k=1}^{2} k$ and $d_2 = 10$. Define $S$ as the set of all positive integers $n$ such that $1 \leq n \leq 74520$, $n$ is divisible by $d_1$, and $n$ is divisible by $d_2$. Let $k$ be the number of elements in $S$. Compute the smallest positive integer $m$ such that the $m$-th Fibonacci number is divisibl...
570
graphs = [ Graph( let={ "upper": Const(74520), "d1": Summation(var="k", start=Const(1), end=Summation(var="k", start=Const(1), end=Const(2), expr=Var("k")), expr=Var("k")), "d2": Const(10), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Ge...
NT
null
COUNT
sympy
SUM_ARITHMETIC
[ "SUM_ARITHMETIC/SUM_ARITHMETIC" ]
2a57af
nt_count_divisible_and_v1
null
5
0
[ "SUM_ARITHMETIC" ]
1
6.017
2026-02-08T03:06:43.370725Z
{ "verified": true, "answer": 570, "timestamp": "2026-02-08T03:06:49.387696Z" }
fbda91
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 232, "completion_tokens": 2469 }, "timestamp": "2026-02-09T15:11:50.046Z", "answer": 570 }, { "id...
1
[ { "lemma": "K18", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "SUM_ARITHMETIC", "status": "ok" }, { "lemma": "V8_SUM", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status"...
{ "lo": -3.46, "mid": 1.03, "hi": 5.49 }
6b5a6c
antilemma_k3_v1_865884756_6410
Compute the sum of $\phi(d)$ over all positive divisors $d$ of $42804$, where $\phi$ denotes Euler's totient function.
42,804
graphs = [ Graph( let={ "x": SumOverDivisors(n=Const(value=42804), var='d', expr=EulerPhi(n=Var(name='d'))), }, goal=Ref("x"), ) ]
NT
COMB
COMPUTE
sympy
K3
[ "K3" ]
54c41e
antilemma_k3_v1
null
2
0
[ "K3" ]
1
0.001
2026-02-08T19:11:02.983219Z
{ "verified": true, "answer": 42804, "timestamp": "2026-02-08T19:11:02.983794Z" }
fb382e
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 77, "completion_tokens": 664 }, "timestamp": "2026-02-18T21:35:26.252Z", "answer": 42804 }, { ...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K3", "status": "ok" }, { "lemma": "L3b", "status": "no" }, { "lemma": "V5", "status": "no" }, { "lemma": "V8_SUM", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
4d48a0
nt_sum_divisors_mod_v1_124444284_2191
Let $n$ be the sum of all positive integers $x \leq 160$ such that $x$ is divisible by the minimum value of $x + y$ over all pairs of positive integers $(x, y)$ satisfying $xy = 1600$. Let $\sigma(n)$ denote the sum of all positive divisors of $n$. Find the remainder when $\sigma(n)$ is divided by 10427.
744
graphs = [ Graph( let={ "_n": Const(160), "n": SumOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("_n")), Eq(Mod(value=Var("n"), modulus=MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(...
NT
null
COMPUTE
sympy
B3
[ "B3/SUM_DIVISIBLE" ]
138b1a
nt_sum_divisors_mod_v1
null
6
0
[ "B3", "SUM_DIVISIBLE" ]
2
0.007
2026-02-08T04:30:36.462550Z
{ "verified": true, "answer": 744, "timestamp": "2026-02-08T04:30:36.469480Z" }
3f3980
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 197, "completion_tokens": 761 }, "timestamp": "2026-02-10T16:58:10.586Z", "answer": 744 }, { "id...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "K16", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "SUM_DIVISIBLE", "status": "ok_later" }, { "lemma": "V3", "status": "no" }, { ...
{ "lo": -5.55, "mid": -3.01, "hi": 0.33 }
8de734
nt_count_coprime_and_v1_784195855_10154
Let $k_1 = 3$ and let $k_2$ be the largest prime number $n$ such that $2 \leq n \leq 9$. Determine the number of positive integers $n$ such that $1 \leq n \leq 36202$, $\gcd(n, k_1) = 1$, and $\gcd(n, k_2) = 1$.
20,687
graphs = [ Graph( let={ "upper": Const(36202), "k1": Const(3), "k2": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Const(9)), IsPrime(Var("n"))))), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition...
NT
null
COUNT
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW" ]
dc3ad3
nt_count_coprime_and_v1
null
3
0
[ "MAX_PRIME_BELOW" ]
1
3.764
2026-02-08T17:28:28.824913Z
{ "verified": true, "answer": 20687, "timestamp": "2026-02-08T17:28:32.588810Z" }
0e0e60
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 130, "completion_tokens": 1265 }, "timestamp": "2026-02-18T03:10:17.993Z", "answer": 20687 }, ...
1
[ { "lemma": "K16", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
34dd8b
nt_count_digit_sum_v1_1918700295_916
Let $ S $ be the set of all integers $ t $ with $ 18 \le t \le 36 $ for which there exist integers $ a $ and $ b $ such that $ 1 \le a \le 5 $, $ 1 \le b \le 3 $, and $ t = 2a + 5b + 11 $. Let $ s $ be the number of elements in $ S $. Determine the number of positive integers $ n $ with $ 1 \le n \le 99999 $ such that ...
3,246
graphs = [ Graph( let={ "upper": Const(99999), "target_sum": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=5)),...
NT
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
nt_count_digit_sum_v1
null
5
0
[ "LIN_FORM" ]
1
4.034
2026-02-08T05:23:43.406827Z
{ "verified": true, "answer": 3246, "timestamp": "2026-02-08T05:23:47.441089Z" }
58e564
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 178, "completion_tokens": 2019 }, "timestamp": "2026-02-12T07:51:50.553Z", "answer": 3246 }, {...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma"...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
16fcc8
comb_count_surjections_v1_865884756_179
Let $n$ be the number of ordered pairs $(i, j)$ of integers such that $1 \le i \le 7$, $1 \le j \le 8$, and $i + j = 8$. Let $k = 3$ and define $\text{result} = k! \cdot S(n, k)$, where $S(n, k)$ denotes the Stirling number of the second kind. Let $Q = 17711 - \text{result}$. Find the value of $Q$.
15,905
graphs = [ Graph( let={ "n": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=Eq(Sum(Var("i"), Var("j")), Const(8)), domain=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(7)), right=IntegerRange(start=Const(1), end=Const(8))))), "k": Con...
COMB
null
COUNT
sympy
COUNT_SUM_EQUALS
[ "COUNT_SUM_EQUALS" ]
75ab0f
comb_count_surjections_v1
null
5
0
[ "COUNT_SUM_EQUALS" ]
1
0.018
2026-02-08T15:15:00.601536Z
{ "verified": true, "answer": 15905, "timestamp": "2026-02-08T15:15:00.619571Z" }
6d9bc1
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 222, "completion_tokens": 1232 }, "timestamp": "2026-02-10T05:09:31.776Z", "answer": 15905 }, { "...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "stat...
{ "lo": -5.65, "mid": -3.17, "hi": -0.81 }
b523ed
algebra_quadratic_discriminant_v1_48377204_1872
Let $a = -10$, $b$ be the largest prime number less than or equal to 5, and $c = 2$. Compute the value of $b^2 - 4ac$.
105
graphs = [ Graph( let={ "a": Const(-10), "b": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Const(5)), IsPrime(Var("n"))))), "c": Const(2), "result": Sub(Pow(Ref("b"), Const(2)), Mul(Const(4), Ref("a"), Ref("c")...
NT
null
COMPUTE
sympy
COPRIME_PAIRS
[ "MAX_PRIME_BELOW" ]
dc3ad3
algebra_quadratic_discriminant_v1
null
2
0
[ "COPRIME_PAIRS", "MAX_PRIME_BELOW" ]
2
0.025
2026-02-08T16:27:48.538631Z
{ "verified": true, "answer": 105, "timestamp": "2026-02-08T16:27:48.563360Z" }
7f5b78
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 99, "completion_tokens": 150 }, "timestamp": "2026-02-16T07:26:40.163Z", "answer": 89 }, { "id": 11, ...
1
[ { "lemma": "K14", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "V1", "status": "no" }, { "lemma": "V3", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -8.26, "mid": -5.01, "hi": -1.76 }
47a375
algebra_poly_eval_v1_717093673_4112
Let $a = 16$. Compute the value of $5a^3 + 2a^2 + a + p$, where $p$ is the largest prime number not exceeding $6$. Let $Q$ be the remainder when this value is multiplied by $26820$ and then divided by $97433$. Find the value of $Q$.
16,188
graphs = [ Graph( let={ "_n": Const(6), "a": Const(16), "result": Sum(Mul(Const(5), Pow(Ref("a"), Const(3))), Mul(Const(2), Pow(Ref("a"), Const(2))), Ref("a"), MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Ref("_n")), IsPri...
NT
null
COMPUTE
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW" ]
dc3ad3
algebra_poly_eval_v1
null
3
0
[ "MAX_PRIME_BELOW" ]
1
0.002
2026-02-08T18:03:00.591875Z
{ "verified": true, "answer": 16188, "timestamp": "2026-02-08T18:03:00.593846Z" }
e4867f
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": 1608 }, "timestamp": "2026-02-18T12:25:27.430Z", "answer": 16188 }, ...
1
[ { "lemma": "K16", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V8_SUM", "status": "no"...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
0d878f
nt_sum_divisors_mod_v1_784195855_4632
Let $n$ be the minimum value of $x + y$ over all pairs of positive integers $(x, y)$ such that $xy = 14400$. Compute the sum of all positive divisors of $n$, and then find the remainder when this sum is divided by $10691$.
744
graphs = [ Graph( let={ "_n": Const(14400), "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
null
COMPUTE
sympy
B3
[ "B3" ]
0cd20d
nt_sum_divisors_mod_v1
null
5
0
[ "B3" ]
1
0.004
2026-02-08T07:13:34.788490Z
{ "verified": true, "answer": 744, "timestamp": "2026-02-08T07:13:34.792704Z" }
294fa4
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 107, "completion_tokens": 1833 }, "timestamp": "2026-02-13T08:58:23.285Z", "answer": 744 }, { ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "K18", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V8", "status": "no" } ]
{ "lo": -5.55, "mid": -3.01, "hi": 0.32 }
4ce8a1
comb_binomial_compute_v1_153355830_602
Let $n = 16$. Let $k$ be the number of elements in the Cartesian product of the sets $\{1, 2, 3\}$ and $\{1, 2, 3\}$. Compute $\binom{n}{k}$.
11,440
graphs = [ Graph( let={ "n": Const(16), "k": CountOverSet(set=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(3)), right=IntegerRange(start=Const(1), end=Const(3)))), "result": Binom(n=Ref("n"), k=Ref("k")), }, goal=Ref("result"), ) ]
ALG
COMB
COMPUTE
sympy
COUNT_CARTESIAN
[ "COUNT_CARTESIAN" ]
409d7d
comb_binomial_compute_v1
null
2
0
[ "COUNT_CARTESIAN" ]
1
0.001
2026-02-08T03:10:39.243434Z
{ "verified": true, "answer": 11440, "timestamp": "2026-02-08T03:10:39.244396Z" }
21670c
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 167, "completion_tokens": 637 }, "timestamp": "2026-02-23T23:14:22.261Z", "answer": 11440 }, { "i...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "ok" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8_SUM", "status"...
{ "lo": -5.97, "mid": -3.96, "hi": -1.93 }
8ad392
diophantine_sum_product_min_v1_865884756_899
Let $S = 128$. Let $P$ be the number of positive integers $n \leq 42804$ such that $9$ divides the $n$-th Fibonacci number. Let $r$ be the smallest positive integer $x \leq 127$ such that $x(S - x) = P$. Compute $$ r + \phi(|r| + 1) + \tau(|r| + 1), $$ where $\phi$ denotes Euler's totient function and $\tau(m)$ denotes...
61
graphs = [ Graph( let={ "_n": Const(9), "S": Const(128), "P": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Const(42804)), Divides(divisor=Ref("_n"), dividend=Fibonacci(arg=Var(name='n')))))), "result": MinOve...
NT
null
EXTREMUM
sympy
COUNT_FIB_DIVISIBLE
[ "COUNT_FIB_DIVISIBLE" ]
66de3c
diophantine_sum_product_min_v1
null
7
0
[ "COUNT_FIB_DIVISIBLE" ]
1
0.015
2026-02-08T15:40:49.456429Z
{ "verified": true, "answer": 61, "timestamp": "2026-02-08T15:40:49.471867Z" }
e22547
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 162, "completion_tokens": 1854 }, "timestamp": "2026-02-16T10:56:19.346Z", "answer": 61 }, { ...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "ok" }, { "lemma": "K18", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "V8_SUM", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
38f3c3
comb_count_surjections_v1_2051736721_2269
Let $S$ be the set of all ordered pairs of positive odd integers $(x_{11}, x_{21})$ such that $x_{11} + x_{21} = 24$. Let $n$ be the number of ordered pairs of positive odd integers $(x_1, x_2)$ such that $x_1 + x_2 = |S|$. Let $k = 3$ and define $r = k! \cdot S(n, k)$, where $S(n, k)$ denotes the Stirling number of th...
3,493
graphs = [ Graph( let={ "n": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x1"), Var("x2")]), condition=And(IsPositive(arg=Var(name='x1')), IsPositive(arg=Var(name='x2')), IsOdd(arg=Var(name='x1')), IsOdd(arg=Var(name='x2')), Eq(Sum(Var("x1"), Var("x2")), CountOverSet(set=SolutionsSet(v...
COMB
NT
COUNT
sympy
COMB1
[ "COMB1/COMB1", "ONE_FACTORIAL_0" ]
70e38d
comb_count_surjections_v1
null
7
0
[ "COMB1", "ONE_FACTORIAL_0" ]
2
0.005
2026-02-08T16:33:23.894700Z
{ "verified": true, "answer": 3493, "timestamp": "2026-02-08T16:33:23.899805Z" }
ddd722
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": 5890 }, "timestamp": "2026-02-17T06:34:15.306Z", "answer": 3493 }, {...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COMB1", "status": "ok" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "ONE_FACTORIAL_0", "status": "ok" }, { "lemma": "V7", "status":...
{ "lo": -2.38, "mid": 1.74, "hi": 6.59 }
c80cc2
nt_count_primes_v1_784195855_8065
Let $T$ be the set of all positive integers $p$ for which there exists a positive integer $q$ such that $p \cdot q = 216$, $\gcd(p, q) = 1$, and $p < q$. Let $m$ be the number of elements in $T$. Define $S$ as the set of all prime numbers $n$ such that $m \leq n \leq 36100$. Compute the number of elements in $S$. Multi...
52,782
graphs = [ Graph( let={ "upper": Const(36100), "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
5
0
[ "COPRIME_PAIRS" ]
1
1.533
2026-02-08T10:45:54.889187Z
{ "verified": true, "answer": 52782, "timestamp": "2026-02-08T10:45:56.422265Z" }
ab8545
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": 2209 }, "timestamp": "2026-02-14T08:33:57.529Z", "answer": 52782 }, ...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "V7", "stat...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
39baf3
comb_factorial_compute_v1_458359167_725
Let $n$ be the number of positive integers $p$ for which there exists a positive integer $q$ such that $p \cdot q = 18900$, $\gcd(p, q) = 1$, and $p < q$. Compute $n!$.
40,320
graphs = [ Graph( let={ "n": CountOverSet(set=SolutionsSet(var=Var("p"), condition=And(IsPositive(arg=Var(name='p')), Exists(var=Var(name='q'), condition=And(Eq(left=Mul(Var(name='p'), Var(name='q')), right=Const(value=18900)), Eq(left=GCD(a=Var(name='p'), b=Var(name='q')), right=Const(value=1))...
NT
null
COMPUTE
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS" ]
2bb3aa
comb_factorial_compute_v1
null
4
0
[ "COPRIME_PAIRS" ]
1
0.002
2026-02-08T03:31:29.137827Z
{ "verified": true, "answer": 40320, "timestamp": "2026-02-08T03:31:29.139349Z" }
0df135
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 168, "completion_tokens": 2617 }, "timestamp": "2026-02-10T14:42:23.569Z", "answer": 40320 }, { "...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "K13", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "V7", "status": "no" } ]
{ "lo": -5.92, "mid": -3.15, "hi": 0.25 }
964400
nt_count_digit_sum_v1_1116507919_327
Let $S$ be the set of all ordered pairs $(i,j)$ of positive integers with $1 \leq i \leq 3$ and $1 \leq j \leq 12$ such that $\gcd(i,j) = 1$. Let $t$ be the number of elements in $S$. Let $U = 99999$. Compute the number of positive integers $n$ such that $1 \leq n \leq U$ and the sum of the digits of $n$ equals $t$. Le...
2,280
graphs = [ Graph( let={ "upper": Const(99999), "target_sum": 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(3)), right=IntegerRange(start=...
NT
null
COUNT
sympy
B3
[ "B3", "COUNT_COPRIME_GRID" ]
776b20
nt_count_digit_sum_v1
negation_mod
6
0
[ "B3", "COUNT_COPRIME_GRID" ]
2
3.593
2026-02-08T02:31:31.384164Z
{ "verified": true, "answer": 2280, "timestamp": "2026-02-08T02:31:34.976726Z" }
0d3e97
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 294, "completion_tokens": 2869 }, "timestamp": "2026-02-08T19:23:03.094Z", "answer": 2280 }, { "i...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "ok" }, { "lemma": "K14", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" },...
{ "lo": -1.73, "mid": 0.31, "hi": 2.19 }
f4c362
nt_count_divisors_in_range_v1_784195855_9066
Let $n = 45360$ and $a = 54$. Define $b$ to be the number of integers $t$ such that $9 \leq t \leq 965$ and there exist positive integers $a'$ and $b'$ with $1 \leq a' \leq 149$, $1 \leq b' \leq 55$, and $t = 5a' + 4b'$. Determine the number of positive divisors $d$ of $n$ such that $a \leq d \leq b$. Let $R$ be this c...
94,324
graphs = [ Graph( let={ "n": Const(45360), "a": Const(54), "b": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=C...
NT
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
nt_count_divisors_in_range_v1
null
4
0
[ "LIN_FORM" ]
1
0.012
2026-02-08T16:30:51.792872Z
{ "verified": true, "answer": 94324, "timestamp": "2026-02-08T16:30:51.804859Z" }
fcfe93
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 188, "completion_tokens": 4272 }, "timestamp": "2026-02-17T05:31:57.269Z", "answer": 94324 }, ...
1
[ { "lemma": "K15", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
09b17b
antilemma_k3_v1_865884756_902
Let $x$ be the sum of $\phi(d)$ over all positive divisors $d$ of $94550$, where $\phi$ denotes Euler's totient function. Compute $x$.
94,550
graphs = [ Graph( let={ "x": SumOverDivisors(n=Const(value=94550), 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
2026-02-08T15:40:49.633725Z
{ "verified": true, "answer": 94550, "timestamp": "2026-02-08T15:40:49.634154Z" }
bb4581
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 85, "completion_tokens": 530 }, "timestamp": "2026-02-16T10:55:46.046Z", "answer": 94550 }, { ...
1
[ { "lemma": "K3", "status": "ok" }, { "lemma": "L3b", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "V1", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
8109e5
nt_count_with_divisor_count_v1_717093673_0
Let $ A $ be the number of positive integers $ n $ such that $ 1 \leq n \leq 11111 $ and $ n $ has exactly 3 positive divisors. Let $ B $ be the number of ordered pairs $ (x_1, x_2) $ of positive odd integers such that $ x_1 + x_2 = 3872 $. Compute $ B - A $.
1,909
graphs = [ Graph( let={ "_n": Const(3872), "upper": Const(11111), "div_count": Const(3), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("upper")), Eq(NumDivisors(n=Var("n")), Ref("div_count"))))),...
NT
null
COUNT
sympy
COMB1
[ "COMB1" ]
9f12f1
nt_count_with_divisor_count_v1
negation_mod
5
0
[ "COMB1" ]
1
0.875
2026-02-08T15:08:39.608139Z
{ "verified": true, "answer": 1909, "timestamp": "2026-02-08T15:08:40.483611Z" }
a08790
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": 835 }, "timestamp": "2026-02-16T00:31:35.113Z", "answer": 1909 }, { ...
1
[ { "lemma": "COMB1", "status": "ok" }, { "lemma": "K14", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
46a5fd
comb_bell_compute_v1_168721529_2059
Let $n$ be the number of positive integers $k$ with $1 \le k \le 108$ such that the $k$-th Fibonacci number is divisible by $16$. Let $r$ be the $n$-th Bell number, which counts the number of partitions of a set of $n$ elements. Let $Q$ be the remainder when $44121 \cdot r$ is divided by $58831$. Compute $Q$.
25,958
graphs = [ Graph( let={ "_n": Const(44121), "n": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Const(108)), Divides(divisor=Const(16), dividend=Fibonacci(arg=Var(name='n')))))), "result": Bell(Ref("n")), "Q": ...
COMB
NT
COMPUTE
sympy
COUNT_FIB_DIVISIBLE
[ "COUNT_FIB_DIVISIBLE" ]
66de3c
comb_bell_compute_v1
null
6
0
[ "COUNT_FIB_DIVISIBLE" ]
1
0.003
2026-02-08T14:04:28.790733Z
{ "verified": true, "answer": 25958, "timestamp": "2026-02-08T14:04:28.793507Z" }
c4ae9d
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": 2632 }, "timestamp": "2026-02-10T01:29:49.529Z", "answer": 25958 }, { "...
1
[ { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "ok" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "V5", ...
{ "lo": -7.09, "mid": -0.49, "hi": 6.1 }
9c61bf
nt_min_coprime_above_v1_784195855_838
Let $ S $ be the set of all integers $ t $ such that $ 10 \leq t \leq 2185 $ and $ t = 3a + 7b $ for some integers $ a $ and $ b $ with $ 1 \leq a \leq 152 $ and $ 1 \leq b \leq 247 $. Let $ \text{upper} $ be the number of elements in $ S $. Let $ \text{start} = 1849 $ and $ \text{modulus} = 305 $. Let $ T $ be the set...
1,851
graphs = [ Graph( let={ "start": Const(1849), "upper": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=152)), Geq...
NT
null
EXTREMUM
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
nt_min_coprime_above_v1
null
6
0
[ "LIN_FORM" ]
1
0.047
2026-02-08T04:38:56.697041Z
{ "verified": true, "answer": 1851, "timestamp": "2026-02-08T04:38:56.744520Z" }
4b7b5d
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 285, "completion_tokens": 6669 }, "timestamp": "2026-02-10T17:28:19.991Z", "answer": 1851 }, { "...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -3.42, "mid": 1.86, "hi": 7.55 }
82039d
geo_count_lattice_triangle_v1_784195855_2352
Let $A = |100 \cdot 169 + 233 \cdot (-120)|$. Let $B$ be the sum of the following three greatest common divisors: - $\gcd(|n|, 120)$, where $n$ is the number of prime integers from 2 to 541, inclusive; - $\gcd(|233 - 100|, |169 - \sum_{k=1}^{15} k|)$; - $\gcd(|-233|, |-169|)$. Compute $\frac{A + 2 - B}{2}$.
5,517
graphs = [ Graph( let={ "_c": Const(169), "_m": Const(15), "_n": Const(169), "area_2x": Abs(arg=Sum(Mul(Const(value=100), Ref(name='_c')), Mul(Const(value=233), Sub(left=Const(value=0), right=Const(value=120))))), "boundary": Sum(GCD(a=Abs(arg=Coun...
NT
null
COUNT
sympy
SUM_ARITHMETIC
[ "SUM_ARITHMETIC/K2", "COUNT_PRIMES" ]
c8a900
geo_count_lattice_triangle_v1
null
7
0
[ "COUNT_PRIMES", "K2", "SUM_ARITHMETIC" ]
3
0.027
2026-02-08T05:41:51.238627Z
{ "verified": true, "answer": 5517, "timestamp": "2026-02-08T05:41:51.265276Z" }
86c290
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 161, "completion_tokens": 843 }, "timestamp": "2026-02-12T13:06:21.205Z", "answer": 5517 }, { ...
1
[ { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "ok" }, { "lemma": "K2", "status": "ok_later" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "SUM_ARITHMETIC", "stat...
{ "lo": -3.51, "mid": 1.33, "hi": 6.56 }
5939ba
algebra_quadratic_discriminant_v1_655260480_5092
Let $a = 3$, $b = 0$, and $n = 4$. Define $c$ to be the number of integers $t$ such that $7 \leq t \leq 20$ and there exist positive integers $a'$ and $b'$ with $1 \leq a' \leq 2$, $1 \leq b' \leq 5$, and $t = 5a' + 2b'$. Let $r = b^2 - n \cdot a \cdot c$. Compute the remainder when $32811 \cdot r$ is divided by $53977...
3,001
graphs = [ Graph( let={ "_n": Const(4), "a": Const(3), "b": Const(0), "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...
NT
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
algebra_quadratic_discriminant_v1
null
4
0
[ "LIN_FORM" ]
1
0.003
2026-02-08T18:16:18.461286Z
{ "verified": true, "answer": 3001, "timestamp": "2026-02-08T18:16:18.463881Z" }
508e0c
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 177, "completion_tokens": 2698 }, "timestamp": "2026-02-18T15:46:03.691Z", "answer": 3001 }, {...
1
[ { "lemma": "K17", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
b96e36
modular_min_linear_v1_458359167_4007
Let $n$ be the minimum value of $x + y$ over all pairs of positive integers $(x, y)$ such that $xy = 1630729$. Let $a$ be the number of positive integers at most $n$ whose digit sum is even. Let $m$ be the total number of ordered pairs $(i, j)$ such that $1 \leq i \leq 27$ and $1 \leq j \leq 107$. Find the smallest ...
2,399
graphs = [ Graph( let={ "_n": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Mul(Var("x"), Var("y")), Const(1630729)))), expr=Sum(Var("x"), Var("y")))), "a": CountOver...
NT
null
EXTREMUM
sympy
COUNT_CARTESIAN
[ "COUNT_CARTESIAN", "B3/L3B" ]
3defda
modular_min_linear_v1
null
6
0
[ "B3", "COUNT_CARTESIAN", "L3B" ]
3
0.133
2026-02-08T11:28:31.483550Z
{ "verified": true, "answer": 2399, "timestamp": "2026-02-08T11:28:31.616401Z" }
7a8061
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 174, "completion_tokens": 2643 }, "timestamp": "2026-02-14T14:29:38.159Z", "answer": 2399 }, {...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_CARTESIAN", "status": "ok" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "L3B", "status": "ok_later" }, { ...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
f867c0
diophantine_product_count_v1_458359167_3558
Let $A$ be the set of all positive integers $n$ such that $n \leq 120$ and $n$ is divisible by 60. Let $m$ be the sum of all elements in $A$. Let $B$ be the set of all ordered pairs $(x, y)$ of positive integers such that $x + y = m$. Let $n$ be the maximum value of $xy$ as $(x, y)$ ranges over $B$. Let $C$ be the set ...
14
graphs = [ Graph( let={ "_m": SumOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Const(120)), Eq(Mod(value=Var("n"), modulus=Const(60)), Const(0))))), "_n": MaxOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")])...
NT
null
COUNT
sympy
SUM_DIVISIBLE
[ "SUM_DIVISIBLE/B1/B3" ]
cf3329
diophantine_product_count_v1
null
7
0
[ "B1", "B3", "SUM_DIVISIBLE" ]
3
0.015
2026-02-08T08:24:32.254815Z
{ "verified": true, "answer": 14, "timestamp": "2026-02-08T08:24:32.269865Z" }
13436b
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 247, "completion_tokens": 1467 }, "timestamp": "2026-02-13T18:41:25.944Z", "answer": 14 }, { ...
1
[ { "lemma": "B1", "status": "ok_later" }, { "lemma": "B3", "status": "ok_later" }, { "lemma": "C2", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "SUM_DIVISIBLE", "status": "ok"...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
dafaa7
antilemma_k3_v1_1918700295_3557
Compute the value of $\sum_{d \mid 89140} \phi(d)$, where $\phi$ denotes Euler's totient function and the sum is taken over all positive divisors $d$ of $89140$.
89,140
graphs = [ Graph( let={ "x": SumOverDivisors(n=Const(value=89140), 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
2026-02-08T08:42:01.985646Z
{ "verified": true, "answer": 89140, "timestamp": "2026-02-08T08:42:01.986120Z" }
9bfd8f
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 110, "completion_tokens": 420 }, "timestamp": "2026-02-15T20:20:25.679Z", "answer": 89140 }, { "id": 11, ...
2
[ { "lemma": "K14", "status": "no" }, { "lemma": "K3", "status": "ok" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "V5", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -9.14, "mid": -6.05, "hi": -3.73 }
1d87a1
modular_min_linear_v1_717093673_1554
Let $a = 20799$ and $m = 58207$. Let $b$ be the number of positive integers $k$ such that $1 \le k \le 250371$ and $81$ divides $k$. Determine the value of the smallest positive integer $x$ such that $1 \le x \le m$ and $ax \equiv b \pmod{m}$.
51,555
graphs = [ Graph( let={ "a": Const(20799), "b": CountOverSet(set=SolutionsSet(var=Var("k"), condition=And(Geq(Var("k"), Const(1)), Leq(Var("k"), Const(250371)), Divides(divisor=Const(81), dividend=Var("k"))), domain='positive_integers')), "m": Const(58207), "r...
ALG
NT
EXTREMUM
sympy
C2
[ "C2" ]
9685eb
modular_min_linear_v1
null
5
0
[ "C2" ]
1
2.337
2026-02-08T16:10:15.239728Z
{ "verified": true, "answer": 51555, "timestamp": "2026-02-08T16:10:17.576272Z" }
bfd66a
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 130, "completion_tokens": 2827 }, "timestamp": "2026-02-16T22:00:50.967Z", "answer": 51555 }, ...
1
[ { "lemma": "C2", "status": "ok" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "V8_SUM", "status": "...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
8c41bf
antilemma_k2_v1_1520064083_1492
Compute $$ \sum_{k=1}^{289} \phi(k) \left\lfloor \frac{289}{k} \right\rfloor, $$ where $\phi$ denotes Euler's totient function. Let $x$ be the value of this sum. Find the remainder when $19079 \cdot x$ is divided by $50110$.
445
graphs = [ Graph( let={ "x": Summation(var="k", start=Const(1), end=Const(289), expr=Mul(EulerPhi(n=Var("k")), Floor(Div(Const(289), Var("k"))))), "Q": Mod(value=Mul(Const(19079), Ref("x")), modulus=Const(50110)), }, goal=Ref("Q"), ) ]
NT
COMB
COMPUTE
sympy
K2
[ "K2" ]
6897ab
antilemma_k2_v1
null
5
0
[ "K2" ]
1
0
2026-02-08T04:02:21.004209Z
{ "verified": true, "answer": 445, "timestamp": "2026-02-08T04:02:21.004668Z" }
a5eee6
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": 7064 }, "timestamp": "2026-02-10T16:33:54.439Z", "answer": 445 }, { "id...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "V5", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -3.46, "mid": 1.03, "hi": 5.49 }
498520
comb_count_partitions_v1_349078426_579
Let $n$ be the number of positive integers $t$ with $21 \leq t \leq 70$ for which there exist positive integers $a$ and $b$, with $1 \leq a \leq 15$ and $1 \leq b \leq 4$, such that $t = 2a + 7b + 12$. Let $\text{result}$ be the number of integer partitions of $n$. Compute $\text{result}$.
75,175
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=15)), Geq(left=Var(name='b'), right=Const(value=...
COMB
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
comb_count_partitions_v1
null
4
0
[ "LIN_FORM" ]
1
0.003
2026-02-08T13:09:11.336666Z
{ "verified": true, "answer": 75175, "timestamp": "2026-02-08T13:09:11.339776Z" }
d81cf4
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 214, "completion_tokens": 2107 }, "timestamp": "2026-02-24T17:21:02.671Z", "answer": 75127 }, { ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V7", "statu...
{ "lo": 3.25, "mid": 5.68, "hi": 8.81 }
2d5b90
alg_poly3_min_v1_1218484723_7716
Let $A$ be the number of ordered pairs $(a_1, b_1)$ of positive integers with $1 \le a_1, b_1 \le 30$ such that $13a_1^2 + 2b_1^2 - 2a_1b_1 \le 962$. Find the minimum value of $3297a^3 + 24021a^2b - 9891ab^2 + 71592b^3$ over all positive integers $a$, $b$ with $1 \le a \le A$ and $1 \le b \le 155$.
89,019
graphs = [ Graph( let={ "_n": Const(71592), "result": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a1"), Var("b1")]), condition=And(Geq(...
ALG
null
COMPUTE
sympy
QF_PSD_COUNT_LEQ
[ "QF_PSD_COUNT_LEQ" ]
009d0f
alg_poly3_min_v1
null
6
0
[ "QF_PSD_COUNT_LEQ" ]
1
0.055
2026-02-25T09:13:48.562230Z
{ "verified": true, "answer": 89019, "timestamp": "2026-02-25T09:13:48.617313Z" }
55f2ae
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": 4435 }, "timestamp": "2026-03-30T06:04:12.902Z", "answer": 89019 }, { "...
1
[ { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "QF_PSD_COUNT_LEQ", "status": "ok" } ]
{ "lo": -3.33, "mid": 1.03, "hi": 5.26 }
288398
nt_count_divisible_and_v1_2080023795_14
Let $m=9$ and $n=8$. Let $d_1$ be the minimum value of $x+y$ over all ordered pairs $(x,y)$ of positive integers such that $xy = m$. Consider all integers $t$ for which there exist integers $a$ and $b$ satisfying \[1 \le a \le 6, \quad 1 \le b \le 8, \quad 24 \le t \le 162, \quad t = 15a + 9b.\] Let $N$ be the number ...
1,927
graphs = [ Graph( let={ "_m": Const(9), "_n": Const(8), "upper": Const(46248), "d1": 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"...
NT
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM/MOBIUS_SUM/SUM_DIVISIBLE", "B3" ]
895e54
nt_count_divisible_and_v1
null
7
0
[ "B3", "LIN_FORM", "MOBIUS_SUM", "SUM_DIVISIBLE" ]
4
3.189
2026-02-08T11:30:07.821954Z
{ "verified": true, "answer": 1927, "timestamp": "2026-02-08T11:30:11.011111Z" }
661a0a
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 397, "completion_tokens": 2534 }, "timestamp": "2026-02-08T20:35:47.611Z", "answer": 1927 }, { "i...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "MOBIUS_SUM", "status": "ok_later" }, { "lemma": "MOD_ADD", "status": "no" }, { "l...
{ "lo": -2.08, "mid": 1.77, "hi": 4.93 }
0f7d16
comb_count_surjections_v1_1439011603_1328
Let $n = 7$ and $k = 6$. Define $r = k! \cdot S(n, k)$, where $S(n, k)$ denotes the Stirling number of the second kind. Let $T$ be the set of all integers $t$ such that $15 \leq t \leq 51$ and there exist integers $a$ and $b$ with $1 \leq a \leq 4$, $1 \leq b \leq 3$, and $t = 6a + 9b$. Compute the Bell number of the r...
203
graphs = [ Graph( let={ "n": Const(7), "k": Const(6), "result": Mul(Factorial(Ref("k")), Stirling2(n=Ref(name='n'), k=Ref(name='k'))), "Q": Bell(Mod(value=Abs(arg=Ref(name='result')), modulus=CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var...
COMB
null
COUNT
sympy
COUNT_SUM_EQUALS
[ "LIN_FORM" ]
1ae498
comb_count_surjections_v1
bell_mod
5
0
[ "COUNT_SUM_EQUALS", "LIN_FORM" ]
2
0.019
2026-02-08T16:01:59.653982Z
{ "verified": true, "answer": 203, "timestamp": "2026-02-08T16:01:59.672863Z" }
d1a5c5
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 263, "completion_tokens": 1049 }, "timestamp": "2026-02-24T19:39:30.465Z", "answer": 203 }, { "i...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -2.4, "mid": 1.57, "hi": 5.75 }
a62893
antilemma_sum_equals_v1_784195855_7888
Let $n = 17$. Compute the number of ordered pairs $(i, j)$ of positive integers such that $1 \leq i \leq 16$, $1 \leq j \leq 17$, and $i + j = n$.
16
graphs = [ Graph( let={ "_n": Const(17), "x": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=Eq(Sum(Var("i"), Var("j")), Ref("_n")), domain=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(16)), right=IntegerRange(start=Const(1), end=Con...
COMB
GEOM
COMPUTE
sympy
COUNT_CARTESIAN
[ "COUNT_SUM_EQUALS" ]
75ab0f
antilemma_sum_equals_v1
null
2
0
[ "COUNT_CARTESIAN", "COUNT_SUM_EQUALS" ]
2
0.027
2026-02-08T09:36:22.145669Z
{ "verified": true, "answer": 16, "timestamp": "2026-02-08T09:36:22.172393Z" }
55000b
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 165, "completion_tokens": 243 }, "timestamp": "2026-02-24T11:34:42.569Z", "answer": 16 }, { "id":...
2
[ { "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": -10, "mid": -7.79, "hi": -5.57 }
b8130b
nt_num_divisors_compute_v1_153355830_1713
Let $n = 66564$. Compute the number of positive divisors of $n$.
27
graphs = [ Graph( let={ "n": Const(66564), "result": NumDivisors(n=Ref("n")), }, goal=Ref("result"), ) ]
NT
null
COMPUTE
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW/LIOUVILLE_ONE", "EULER_TOTIENT_SUM" ]
457fb8
nt_num_divisors_compute_v1
null
3
0
[ "EULER_TOTIENT_SUM", "LIOUVILLE_ONE", "MAX_PRIME_BELOW" ]
3
0.01
2026-02-08T06:35:14.410364Z
{ "verified": true, "answer": 27, "timestamp": "2026-02-08T06:35:14.420022Z" }
a81cb6
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 65, "completion_tokens": 454 }, "timestamp": "2026-02-13T01:47:27.109Z", "answer": 27 }, { ...
1
[ { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "EULER_TOTIENT_SUM", "status": "ok" }, { "lemma": "K13", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LIOUVILLE_ONE", "status": "...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
87cada
sequence_fibonacci_compute_v1_153355830_688
Let $n$ be the number of ordered pairs $(x_1, x_2)$ of positive odd integers such that $x_1 + x_2 = 48$. Compute the $n$th Fibonacci number.
46,368
graphs = [ Graph( let={ "_n": Const(48), "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...
NT
null
COMPUTE
sympy
COMB1
[ "COMB1" ]
567f58
sequence_fibonacci_compute_v1
null
4
0
[ "COMB1" ]
1
0.001
2026-02-08T04:08:01.950580Z
{ "verified": true, "answer": 46368, "timestamp": "2026-02-08T04:08:01.952048Z" }
87eca0
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 157, "completion_tokens": 1072 }, "timestamp": "2026-02-10T15:30:24.559Z", "answer": 46368 }, { ...
1
[ { "lemma": "COMB1", "status": "ok" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "VAL_SUM_EQ", ...
{ "lo": -7.01, "mid": -4.68, "hi": -2.15 }
ee2c29_n
comb_count_partitions_v1_1419126231_1020
A composer plans a musical suite with $n$ movements, where $n = 1 + 3 + 9 + 27$. Each movement has a duration of one unit, and the suite is divided into contiguous sections such that the sum of durations in each section forms a non-increasing sequence (e.g., 3+3+2+1). The number of distinct ways to structure the suite ...
69,562
COMB
null
COUNT
sympy
SUM_GEOM
[ "SUM_GEOM" ]
04214c
comb_count_partitions_v1
null
3
null
[ "SUM_GEOM" ]
1
0.001
2026-02-25T10:31:39.080379Z
null
d1d3da
ee2c29
narrative
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 221, "completion_tokens": 11243 }, "timestamp": "2026-03-31T04:14:38.788Z", "answer": 69562 }, { ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "SUM_GEOM", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8_SUM", "status": "no" ...
{ "lo": -5.37, "mid": 0.23, "hi": 5.22 }
db0f20
nt_count_phi_equals_v1_2051736721_4209
Let $T$ be the set of all integers $t$ such that $10 \leq t \leq 3621$ and there exist positive integers $a$ and $b$ with $1 \leq a \leq 206$, $1 \leq b \leq 429$, and $t = 3a + 7b$. Let $U$ be the set of all ordered pairs $(i, j)$ of integers with $1 \leq i \leq 7$ and $1 \leq j \leq 9$ such that $\gcd(i, j) = 1$. Let...
30,841
graphs = [ Graph( let={ "_m": Const(91699), "_n": Const(61064), "upper": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a')...
NT
null
COUNT
sympy
COUNT_COPRIME_GRID
[ "COUNT_COPRIME_GRID", "LIN_FORM" ]
66e6c4
nt_count_phi_equals_v1
null
7
0
[ "COUNT_COPRIME_GRID", "LIN_FORM" ]
2
0.576
2026-02-08T17:48:41.747569Z
{ "verified": true, "answer": 30841, "timestamp": "2026-02-08T17:48:42.323308Z" }
f2a895
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 235, "completion_tokens": 6056 }, "timestamp": "2026-02-18T08:35:07.934Z", "answer": 30841 }, ...
1
[ { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "ok" }, { "lemma": "K14", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "MAX_PRIME_BELOW", "statu...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
0aadac
nt_count_gcd_equals_v1_1520064083_4689
Let $k$ be the number of integers $t$ such that $10 \leq t \leq 336$ and there exist positive integers $a$ and $b$ with $1 \leq a \leq 42$, $1 \leq b \leq 30$, and $t = 3a + 7b$. Let $d$ be the number of ordered pairs $(i, j)$ with $1 \leq i \leq 3$ and $1 \leq j \leq 16$ such that $\gcd(i, j) = 1$. Determine the value...
274
graphs = [ Graph( let={ "upper": Const(14365), "k": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=42)), Geq(lef...
NT
null
COUNT
sympy
COUNT_COPRIME_GRID
[ "COUNT_COPRIME_GRID", "LIN_FORM" ]
66e6c4
nt_count_gcd_equals_v1
null
7
0
[ "COUNT_COPRIME_GRID", "LIN_FORM" ]
2
1.11
2026-02-08T06:23:06.803632Z
{ "verified": true, "answer": 274, "timestamp": "2026-02-08T06:23:07.913876Z" }
9a9517
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 193, "completion_tokens": 5452 }, "timestamp": "2026-02-12T23:31:56.755Z", "answer": 274 }, { ...
1
[ { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "ok" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "MAX_VAL", "stat...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
999fcb_n
comb_count_partitions_v1_1218484723_3827
A tilemaker produces rectangular tiles whose side lengths are integers between 1 and 8 for one dimension and 1 and 7 for the other. The perimeter of each tile is $2(a + b)$, but due to a labeling error, each tile is marked with the value $8a + 6b$ instead. The quality inspector records every distinct value of this inco...
44,583
COMB
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
comb_count_partitions_v1
null
4
null
[ "LIN_FORM" ]
1
0.003
2026-02-25T05:28:31.402444Z
null
f85fa0
999fcb
narrative
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 1, "correct": { "strict": false, "boxed": false, "relaxed": true }, "usage": { "prompt_tokens": 240, "completion_tokens": 32768 }, "timestamp": "2026-03-30T20:42:12.329Z", "answer": 53174 }, { ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V8", "sta...
{ "lo": 1.5, "mid": 4.69, "hi": 7.23 }
83abfc
sequence_lucas_compute_v1_655260480_4407
Let $n$ be the number of integers $t$ such that $7 \leq t \leq 32$ and there exist positive integers $a$ and $b$ with $1 \leq a \leq 4$, $1 \leq b \leq 5$, and $t = 3a + 4b$. Let $L_n$ denote the $n$-th Lucas number, where $L_1 = 1$, $L_2 = 3$, and $L_k = L_{k-1} + L_{k-2}$ for $k \geq 3$. Compute the remainder when $4...
87,947
graphs = [ Graph( let={ "_n": Const(44121), "n": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=4)), Geq(left=Va...
NT
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
sequence_lucas_compute_v1
null
4
0
[ "LIN_FORM" ]
1
0.001
2026-02-08T17:55:46.211950Z
{ "verified": true, "answer": 87947, "timestamp": "2026-02-08T17:55:46.213078Z" }
53b3b3
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 192, "completion_tokens": 2217 }, "timestamp": "2026-02-18T09:44:44.883Z", "answer": 87947 }, ...
1
[ { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "V3", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
93dc95
antilemma_cartesian_v1_124444284_8381
Let $x$ be the number of ordered pairs $(m, n)$ such that $1 \leq m \leq 34$ and $1 \leq n \leq 47$. Let $S$ be the set of all positive integers $t$ satisfying the following conditions: - $10 \leq t \leq 10748$, - there exist positive integers $a$ and $b$ such that $1 \leq a \leq 638$, $1 \leq b \leq 1366$, and $t = 4...
35,870
graphs = [ Graph( let={ "_n": Const(51459), "x": CountOverSet(set=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(34)), right=IntegerRange(start=Const(1), end=Const(47)))), "_c": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), ...
COMB
GEOM
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM", "COUNT_CARTESIAN" ]
35a59e
antilemma_cartesian_v1
affine_mod
4
0
[ "COUNT_CARTESIAN", "LIN_FORM" ]
2
0.002
2026-02-08T09:40:09.795701Z
{ "verified": true, "answer": 35870, "timestamp": "2026-02-08T09:40:09.797441Z" }
12fc69
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 269, "completion_tokens": 12093 }, "timestamp": "2026-02-24T11:40:50.821Z", "answer": 35870 }, { ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "ok" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V7", "statu...
{ "lo": 3.25, "mid": 5.68, "hi": 8.81 }
a91aea
comb_binomial_compute_v1_124444284_5676
Let $n$ be the minimum value of $x + y$ over all pairs of positive integers $(x, y)$ such that $xy = 36$. Let $k$ be the largest prime number $p$ such that $2 \le p \le 10$. Compute $\binom{n}{k}$.
792
graphs = [ Graph( let={ "_m": Summation(var="k", start=Const(1), end=Const(4), expr=Var("k")), "_n": Const(2), "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...
NT
null
COMPUTE
sympy
SUM_ARITHMETIC
[ "SUM_ARITHMETIC/B3/MAX_PRIME_BELOW" ]
f211b4
comb_binomial_compute_v1
null
4
0
[ "B3", "MAX_PRIME_BELOW", "SUM_ARITHMETIC" ]
3
0.004
2026-02-08T06:46:09.651817Z
{ "verified": true, "answer": 792, "timestamp": "2026-02-08T06:46:09.656051Z" }
55f5c8
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 124, "completion_tokens": 460 }, "timestamp": "2026-02-15T17:45:20.947Z", "answer": 792 }, { "id": 11, ...
2
[ { "lemma": "B3", "status": "ok_later" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, ...
{ "lo": -9.14, "mid": -6.05, "hi": -3.73 }
1667be
algebra_vieta_sum_v1_1742523217_2255
Let $B$ be the set of all integers $t$ such that $9 \leq t \leq 40$ and there exist positive integers $a \leq 4$, $b \leq 5$ satisfying $t = 5a + 4b$. Let $c$ be the number of elements in $B$. Let $S$ be the set of all real numbers $x$ such that $$ 2x^3 + c x^2 - 98x - 980 = 0. $$ Let $\text{result}$ be the product of...
43,694
graphs = [ Graph( let={ "result": ProductOverSet(set=SolutionsSet(var=Var(name='x'), condition=Eq(left=Sum(Mul(Const(value=2), Pow(base=Var(name='x'), exp=Const(value=3))), Mul(CountOverSet(set=SolutionsSet(var=Var(name='t'), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b')...
NT
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
algebra_vieta_sum_v1
null
6
0
[ "LIN_FORM" ]
1
0.008
2026-02-08T04:38:39.982619Z
{ "verified": true, "answer": 43694, "timestamp": "2026-02-08T04:38:39.990950Z" }
06fa3a
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 274, "completion_tokens": 2125 }, "timestamp": "2026-02-11T21:43:10.802Z", "answer": 43694 }, { ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V5", "status": "no" } ]
{ "lo": -3.42, "mid": 1.86, "hi": 7.55 }
e2b2b7
modular_inverse_v1_1470522791_1130
Let $a$ be the minimum value of $x + y$ over all pairs of positive integers $(x, y)$ such that $xy = 3969$. Let $m = 137$. Find the smallest positive integer $x \leq 136$ such that $ax \equiv 1 \pmod{m}$.
112
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(3969)))), expr=Sum(Var("x"), Var("y")))), "m": Const(137), ...
NT
null
EXTREMUM
sympy
B3
[ "B3" ]
0cd20d
modular_inverse_v1
null
5
0
[ "B3" ]
1
0.01
2026-02-08T13:26:49.928910Z
{ "verified": true, "answer": 112, "timestamp": "2026-02-08T13:26:49.938614Z" }
6336bb
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 113, "completion_tokens": 1314 }, "timestamp": "2026-02-15T15:38:50.731Z", "answer": 112 }, { ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "V3", "status": "no" } ]
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
1a4faf
comb_count_permutations_fixed_v1_655260480_5739
Let $t = \sum_{k=0}^{5} (-1)^k \binom{5}{k}$ and $c = \sum_{k=0}^{6} (-1)^k \binom{6}{k}$. Let $k$ be the number of ordered pairs $(i,j)$ of integers with $1 \leq i \leq 5$ and $1 \leq j \leq 5$ such that $i + j = 7$. Define $\text{result} = \binom{8}{k} \cdot !(8 - k)$, where $!(8 - k)$ denotes the subfactorial of $8 ...
60,075
graphs = [ Graph( let={ "n2": Const(5), "t": Summation(var="k1", start=Const(0), end=Ref("n2"), expr=Mul(Pow(Const(-1), Var("k1")), Binom(n=Ref("n2"), k=Var("k1")))), "a": Const(5), "b": Const(1), "n1": Sum(Ref("a"), Ref("b")), "c": Sum...
COMB
null
COUNT
sympy
BINOMIAL_ALTERNATING
[ "BINOMIAL_ALTERNATING", "COUNT_SUM_EQUALS" ]
b9499e
comb_count_permutations_fixed_v1
null
5
2
[ "BINOMIAL_ALTERNATING", "COUNT_SUM_EQUALS" ]
2
0.014
2026-02-08T18:38:43.678551Z
{ "verified": true, "answer": 60075, "timestamp": "2026-02-08T18:38:43.692651Z" }
f0eff6
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 216, "completion_tokens": 1355 }, "timestamp": "2026-02-18T18:15:16.921Z", "answer": 60075 }, ...
1
[ { "lemma": "BINOMIAL_ALTERNATING", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "...
{ "lo": -3.12, "mid": 1.47, "hi": 6.57 }
9b723a
geo_count_lattice_triangle_v1_1218484723_710
Let $M = \left|136 \cdot S + 30 \cdot (-276)\right|$, where $S = \left|\{ v \in [49, 19600] : \exists\, a,b \in \{1,\dots,20\} \text{ such that } 9a^2 + 24ab + 16b^2 = v \}\right|$. Let $R = \gcd(136, 276) + \gcd(|30 - 136|, |128 - 276|) + \gcd(|0 - 30|, |0 - 128|)$. Compute $\frac{M + 2 - R}{2}$.
4,561
graphs = [ Graph( let={ "_n": Const(136), "area_2x": Abs(arg=Sum(Mul(Const(value=136), CountOverSet(set=SolutionsSet(var=Var(name='v'), condition=And(Geq(left=Var(name='v'), right=Const(value=49)), Leq(left=Var(name='v'), right=Const(value=19600)), Exists(var=Tuple(elements=[Var(name...
GEOM
NT
COUNT
sympy
QF_PSD_DISTINCT
[ "QF_PSD_DISTINCT" ]
a8f9cb
geo_count_lattice_triangle_v1
null
5
0
[ "QF_PSD_DISTINCT" ]
1
0.005
2026-02-25T02:27:18.574178Z
{ "verified": true, "answer": 4561, "timestamp": "2026-02-25T02:27:18.579272Z" }
527abd
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 261, "completion_tokens": 32768 }, "timestamp": "2026-03-10T01:00:17.072Z", "answer": null }, { ...
1
[ { "lemma": "QF_PSD_DISTINCT", "status": "ok" } ]
{ "lo": 2.74, "mid": 4.78, "hi": 6.68 }
fdc496
modular_sum_quadratic_residues_v1_1978505735_1852
Let $x$ and $y$ be positive integers such that $xy = 42436$. Define $s$ to be the minimum value of $x + y$ over all such pairs. Let $p$ be the largest prime number at most $s$. Compute the remainder when $10723 \cdot \frac{p(p-1)}{4}$ is divided by $83590$.
52,024
graphs = [ Graph( let={ "_m": Const(4), "_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(42436)))), expr=Sum(Var("x"), Var("y")))), ...
NT
null
SUM
sympy
B3
[ "B3/MAX_PRIME_BELOW" ]
f253c0
modular_sum_quadratic_residues_v1
null
5
0
[ "B3", "MAX_PRIME_BELOW" ]
2
0.004
2026-02-08T16:28:46.333989Z
{ "verified": true, "answer": 52024, "timestamp": "2026-02-08T16:28:46.338427Z" }
ff0e14
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 126, "completion_tokens": 2556 }, "timestamp": "2026-02-17T05:00:28.969Z", "answer": 52024 }, ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok_later" }, { ...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
62d6f5
nt_count_gcd_equals_v1_1248542787_284
Let $k = 353$. Let $d$ be the number of ordered pairs $(x_1, x_2)$ of positive odd integers such that $x_1 + x_2 = 706$. Determine the number of positive integers $n \leq 50000$ such that $\gcd(n, k) = d$.
141
graphs = [ Graph( let={ "upper": Const(50000), "k": Const(353), "d": 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')...
NT
null
COUNT
sympy
COMB1
[ "COMB1" ]
567f58
nt_count_gcd_equals_v1
null
4
0
[ "COMB1" ]
1
4.771
2026-02-08T03:02:40.459459Z
{ "verified": true, "answer": 141, "timestamp": "2026-02-08T03:02:45.229961Z" }
5336eb
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 185, "completion_tokens": 781 }, "timestamp": "2026-02-09T02:21:23.346Z", "answer": 141 }, { "id"...
1
[ { "lemma": "COMB1", "status": "ok" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" } ]
{ "lo": -7.01, "mid": -4.67, "hi": -2.17 }
f67315
nt_count_with_divisor_count_v1_784195855_341
Let $A$ be the number of positive integers $n \leq 20164$ such that $n$ has exactly 13 positive divisors. Let $p$ be the largest prime number less than or equal to 254. Compute the value of $$ A \bmod p + 5003 \cdot (A \bmod 397). $$
5,004
graphs = [ Graph( let={ "upper": Const(20164), "div_count": Const(13), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("upper")), Eq(NumDivisors(n=Var("n")), Ref("div_count"))))), "Q": Sum(Mod(valu...
NT
null
COUNT
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW" ]
08a653
nt_count_with_divisor_count_v1
two_moduli
4
0
[ "MAX_PRIME_BELOW" ]
1
0.926
2026-02-08T03:06:35.260912Z
{ "verified": true, "answer": 5004, "timestamp": "2026-02-08T03:06:36.187164Z" }
af68f6
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 186, "completion_tokens": 813 }, "timestamp": "2026-02-10T16:13:05.865Z", "answer": 5004 }, { "i...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "V8", "sta...
{ "lo": -3.42, "mid": 1.86, "hi": 7.55 }
b3927a
nt_count_with_divisor_count_v1_458359167_101
Let $n$ be a positive integer. Define $d(n)$ to be the number of positive divisors of $n$. Let $p$ be the largest prime number satisfying $2 \leq p \leq 3$. Compute the number of positive integers $n \leq 32768$ such that $d(n) = p$. Let this count be $C$. Find the remainder when $47403 \cdot C$ is divided by $63592$.
19,574
graphs = [ Graph( let={ "upper": Const(32768), "div_count": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Const(3)), IsPrime(Var("n"))))), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Co...
NT
null
COUNT
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW" ]
dc3ad3
nt_count_with_divisor_count_v1
null
4
0
[ "MAX_PRIME_BELOW" ]
1
2.387
2026-02-08T02:59:25.209886Z
{ "verified": true, "answer": 19574, "timestamp": "2026-02-08T02:59:27.596495Z" }
df3334
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 208, "completion_tokens": 1124 }, "timestamp": "2026-02-10T12:02:14.378Z", "answer": 19574 }, { "...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "MOD_MUL", "status": "no" } ...
{ "lo": -3.47, "mid": 0.81, "hi": 4.81 }
c00af4
comb_sum_binomial_row_v1_1520064083_4216
Let $P$ 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 $|P|$ denote the number of elements in $P$. Compute $|P|^{12}$.
4,096
graphs = [ Graph( let={ "n": Const(12), "result": Pow(CountOverSet(set=SolutionsSet(var=Var("p"), condition=And(IsPositive(arg=Var(name='p')), Exists(var=Var(name='q'), condition=And(Eq(left=Mul(Var(name='p'), Var(name='q')), right=Const(value=18)), Eq(left=GCD(a=Var(name='p'), b=Var...
NT
null
SUM
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS" ]
2bb3aa
comb_sum_binomial_row_v1
null
3
0
[ "COPRIME_PAIRS" ]
1
0.001
2026-02-08T06:08:40.554205Z
{ "verified": true, "answer": 4096, "timestamp": "2026-02-08T06:08:40.555295Z" }
d2f43a
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 169, "completion_tokens": 385 }, "timestamp": "2026-02-19T00:35:54.399Z", "answer": 1 }, { "id": 11, ...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "K13", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "V7", "status": "no" } ]
{ "lo": -5.55, "mid": -3.01, "hi": 0.34 }
5243fe
nt_count_coprime_and_v1_458359167_2412
Let $n$ be a positive integer such that $1 \leq n \leq 27419$, $\gcd(n, 3) = 1$, and $\gcd(n, 11) = 1$. Let $A$ be the number of such integers $n$. Let $d$ be the smallest divisor of $20449$ that is at least $2$. Compute the Bell number $B_r$, where $r$ is the remainder when $|A|$ is divided by $d$. Determine the value...
4,140
graphs = [ Graph( let={ "upper": Const(27419), "k1": Const(3), "k2": Const(11), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("upper")), Eq(GCD(a=Var("n"), b=Ref("k1")), Const(1)), Eq(GCD(a=Var("...
NT
COMB
COUNT
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR" ]
58d7e9
nt_count_coprime_and_v1
bell_mod
5
0
[ "MIN_PRIME_FACTOR" ]
1
2.975
2026-02-08T05:24:10.549630Z
{ "verified": true, "answer": 4140, "timestamp": "2026-02-08T05:24:13.524694Z" }
0bffe7
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 159, "completion_tokens": 950 }, "timestamp": "2026-02-12T08:03:40.189Z", "answer": 4140 }, { ...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "V1", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
391884
nt_count_divisible_v1_124444284_70
Let $U = 80656$. Let $D$ be the set of all integers $t$ such that there exist positive integers $a$ and $b$ with $1 \le a \le 9$, $1 \le b \le 3$, $10 \le t \le 48$, and $t = 3a + 7b$. Let $d$ be the number of elements in $D$. Let $T$ be the set of all integers $n$ such that $\phi(2) \le n \le U$ and $n$ is divisible b...
2,987
graphs = [ Graph( let={ "upper": Const(80656), "divisor": 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=9)), Ge...
NT
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM", "ONE_PHI_2" ]
9858be
nt_count_divisible_v1
null
4
0
[ "LIN_FORM", "ONE_PHI_2" ]
2
3.151
2026-02-08T02:56:46.322711Z
{ "verified": true, "answer": 2987, "timestamp": "2026-02-08T02:56:49.473277Z" }
ab8a37
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 261, "completion_tokens": 3888 }, "timestamp": "2026-02-09T13:34:36.168Z", "answer": 2987 }, { "i...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "ONE_PHI_2", "statu...
{ "lo": -6.51, "mid": -0.31, "hi": 5.43 }
bbf71c
nt_sum_gcd_range_mod_v1_458359167_2232
Let $N$ be the number of prime numbers less than or equal to $17569$. Let $k = 540$ and $M = 11743$. Define $\text{sum} = \sum_{n=1}^{N} \gcd(n, k)$. Find the remainder when $\text{sum}$ is divided by $M$.
9,725
graphs = [ Graph( let={ "_n": Const(17569), "N": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Ref("_n")), IsPrime(Var("n"))))), "k": Const(540), "M": Const(11743), "sum": Summation(var="n", start=...
NT
null
COMPUTE
sympy
LIN_FORM
[ "COUNT_PRIMES" ]
07c874
nt_sum_gcd_range_mod_v1
null
3
0
[ "COUNT_PRIMES", "LIN_FORM" ]
2
1.157
2026-02-08T05:13:31.023770Z
{ "verified": true, "answer": 9725, "timestamp": "2026-02-08T05:13:32.180579Z" }
824af6
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 118, "completion_tokens": 3280 }, "timestamp": "2026-02-12T05:57:00.415Z", "answer": 9725 }, {...
1
[ { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "ok" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "V8", "status": "no" } ]
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
97df85
comb_count_surjections_v1_1918700295_3640
Let $T$ be the set of integers $t$ such that $5 \leq t \leq 14$ and there exist positive integers $a$ and $b$ with $1 \leq a \leq 4$, $1 \leq b \leq 2$, and $t = 2a + 3b$. Let $n$ be the number of ordered pairs $(i, j)$ of integers such that $1 \leq i \leq 6$, $1 \leq j \leq 6$, and $i + j$ equals the number of element...
150
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=4)), Geq(left=Var(name='b'), right=Const(value=...
COMB
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM/COUNT_SUM_EQUALS" ]
8a3f7a
comb_count_surjections_v1
null
5
0
[ "COUNT_SUM_EQUALS", "LIN_FORM" ]
2
0.017
2026-02-08T08:47:40.263589Z
{ "verified": true, "answer": 150, "timestamp": "2026-02-08T08:47:40.280403Z" }
e5aeb5
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 275, "completion_tokens": 1260 }, "timestamp": "2026-02-24T09:59:21.233Z", "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_later" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V8", "...
{ "lo": -3.84, "mid": -1.67, "hi": 1.32 }
a4702b_n
geo_visible_lattice_v1_1218484723_4599
A city planner designs a grid park of size $157 \times 157$, with trees planted at each lattice point $(x,y)$. A tree at $(x,y)$ is visible from the origin if $\gcd(x,y) = 1$. Let $N$ be the number of such visible trees. The planner organizes a festival where attendees are assigned to groups in every possible way — the...
52
GEOM
GEOM
COUNT
sympy
[]
geo_visible_lattice_v1
null
4
null
null
null
2.357
2026-02-25T06:16:14.019591Z
null
5b3b37
a4702b
narrative
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": 24697 }, "timestamp": "2026-03-30T21:59:01.581Z", "answer": 52 }, { "id...
1
[]
{ "lo": 1.5, "mid": 4.69, "hi": 7.23 }
4d6cc5
modular_mod_compute_v1_1978505735_4350
Let $m$ be the maximum value of $xy$ over all ordered pairs $(x,y)$ of positive integers such that $x + y = s$, where $s$ is the minimum value of $x_1 + y_1$ over all ordered pairs $(x_1,y_1)$ of positive integers such that $x_1 y_1 = p$, where $p$ is the maximum value of $x_2 y_2$ over all ordered pairs $(x_2,y_2)$ of...
68,415
graphs = [ Graph( let={ "_m": Const(172), "_n": Const(77196), "a": Const(111), "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
B1
[ "B1/B3/B1" ]
644515
modular_mod_compute_v1
null
7
0
[ "B1", "B3" ]
2
0.01
2026-02-08T18:11:43.577847Z
{ "verified": true, "answer": 68415, "timestamp": "2026-02-08T18:11:43.587792Z" }
8b911d
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 226, "completion_tokens": 2070 }, "timestamp": "2026-02-18T14:40:21.140Z", "answer": 68415 }, ...
1
[ { "lemma": "B1", "status": "ok" }, { "lemma": "B3", "status": "ok_later" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "LTE_DIFF", "status": "...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
351f6f
comb_catalan_compute_v1_655260480_6015
Let $T$ be the set of all integers $t$ such that $5 \leq t \leq 17$ and there exist positive integers $a \leq 3$, $b \leq 4$ satisfying $t = 3a + 2b$. Let $n$ be the number of elements in $T$. Compute the remainder when $22604 \cdot C_n$ is divided by $94341$, where $C_n$ denotes the $n$-th Catalan number.
5,759
graphs = [ Graph( let={ "_n": Const(94341), "n": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=3)), Geq(left=Va...
COMB
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
comb_catalan_compute_v1
null
4
0
[ "LIN_FORM" ]
1
0.002
2026-02-08T18:46:40.484732Z
{ "verified": true, "answer": 5759, "timestamp": "2026-02-08T18:46:40.487220Z" }
795add
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": 2096 }, "timestamp": "2026-02-18T19:30:30.335Z", "answer": 5759 }, {...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V8", "status...
{ "lo": -3.12, "mid": 1.47, "hi": 6.57 }
8cf102
modular_inverse_v1_548369836_294
Let $a = 462$ and $m = 601$. Let $S$ be the set of all ordered pairs $(x,y)$ of positive integers such that $xy = 90000$. Define $u$ to be the minimum value of $x + y$ as $(x,y)$ ranges over $S$. Let $T$ be the set of all integers $x$ with $1 \le x \le u$ such that $$ 462x \equiv 1 \pmod{601}. $$ Determine the value ...
147
graphs = [ Graph( let={ "a": Const(462), "m": Const(601), "upper": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Mul(Var("x"), Var("y")), Const(90000)))),...
NT
null
EXTREMUM
sympy
B3
[ "B3" ]
0cd20d
modular_inverse_v1
null
6
0
[ "B3" ]
1
0.027
2026-02-08T02:51:29.000558Z
{ "verified": true, "answer": 147, "timestamp": "2026-02-08T02:51:29.027568Z" }
9a0989
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": 1460 }, "timestamp": "2026-02-08T20:17:51.709Z", "answer": 147 }, { "id...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" } ]
{ "lo": -1.89, "mid": 0.13, "hi": 1.92 }
ae30bc
antilemma_sum_primes_v1_151522320_129
Let $x$ be the sum of all prime numbers $n$ such that $2 \leq n \leq 4$. Compute the remainder when $38599 \cdot x$ is divided by $57796$.
19,607
graphs = [ Graph( let={ "x": SumOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Const(4)), IsPrime(Var("n"))))), "Q": Mod(value=Mul(Const(38599), Ref("x")), modulus=Const(57796)), }, goal=Ref("Q"), ) ]
NT
null
COMPUTE
sympy
SUM_PRIMES
[ "SUM_PRIMES" ]
83231d
antilemma_sum_primes_v1
null
2
0
[ "SUM_PRIMES" ]
1
0.001
2026-02-08T02:59:57.033038Z
{ "verified": true, "answer": 19607, "timestamp": "2026-02-08T02:59:57.033769Z" }
a88088
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 161, "completion_tokens": 274 }, "timestamp": "2026-02-08T23:31:11.769Z", "answer": 19607 }, { "...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "SUM_PRIMES", "status": "ok" } ]
{ "lo": -6.49, "mid": 0.51, "hi": 7.52 }
ae5fbe
nt_count_gcd_equals_v1_1915831931_1788
Let $k$ be the minimum value of $x + y$ over all pairs of positive integers $(x, y)$ such that $xy = 2809$. Let $d = 53$. Determine the number of positive integers $n$ such that $1 \leq n \leq 39601$ and $\gcd(n, k) = d$.
374
graphs = [ Graph( let={ "upper": Const(39601), "k": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Mul(Var("x"), Var("y")), Const(2809)))), expr=Sum(Var("x"), Var("y")...
NT
null
COUNT
sympy
B3
[ "B3" ]
0cd20d
nt_count_gcd_equals_v1
null
5
0
[ "B3" ]
1
3.441
2026-02-08T16:27:31.555337Z
{ "verified": true, "answer": 374, "timestamp": "2026-02-08T16:27:34.996157Z" }
dc2043
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": 1014 }, "timestamp": "2026-02-17T03:39:38.387Z", "answer": 374 }, { ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8_SUM", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
f26e46
modular_modexp_compute_v1_1520064083_2604
Let $a = 19$, $m = 6660$, and $n = 6301$. Let $d$ be the number of positive integers $k$ such that $1 \leq k \leq m$ and $222$ divides $k$. Let $e$ be the number of positive integers $n$ such that $1 \leq n \leq n$ and $\gcd(n, d) = 1$. Let $r = a^e \bmod 69696$. Find the smallest positive integer $Q$ such that the $Q$...
1,980
graphs = [ Graph( let={ "_m": Const(6660), "_n": Const(6301), "a": Const(19), "e": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("_n")), Eq(GCD(a=Var("n"), b=CountOverSet(set=SolutionsSet(var=Var("k"), con...
NT
null
COMPUTE
sympy
C2
[ "C2/C4" ]
90526d
modular_modexp_compute_v1
null
7
0
[ "C2", "C4" ]
2
0.005
2026-02-08T04:53:00.355761Z
{ "verified": true, "answer": 1980, "timestamp": "2026-02-08T04:53:00.360785Z" }
d53ef2
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 247, "completion_tokens": 3540 }, "timestamp": "2026-02-11T22:24:34.469Z", "answer": 1980 }, { "...
1
[ { "lemma": "C2", "status": "ok" }, { "lemma": "C4", "status": "ok_later" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemm...
{ "lo": -3.42, "mid": 1.86, "hi": 7.55 }
44bf91
sequence_count_fib_divisible_v1_124444284_835
Let $\text{upper}$ be the number of integers $t$ such that $22 \le t \le 1540$ and there exist positive integers $a$ and $b$ with $1 \le a \le 38$, $1 \le b \le 126$, and $t = 14a + 8b$. Let $\text{result}$ be the number of positive integers $n$ such that $1 \le n \le \text{upper}$ and the $n$-th Fibonacci number is di...
197
graphs = [ Graph( let={ "_n": Const(2), "upper": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=38)), Geq(left=V...
NT
null
COUNT
sympy
C5
[ "C5", "LIN_FORM" ]
029967
sequence_count_fib_divisible_v1
digits_weighted_mod
6
0
[ "C5", "LIN_FORM" ]
2
0.036
2026-02-08T03:32:54.299583Z
{ "verified": true, "answer": 197, "timestamp": "2026-02-08T03:32:54.335271Z" }
7ff2c8
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 316, "completion_tokens": 3314 }, "timestamp": "2026-02-09T22:47:38.176Z", "answer": 197 }, { "id...
1
[ { "lemma": "C5", "status": "ok" }, { "lemma": "K16", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "V3", "status": "no" }, { "lem...
{ "lo": -3.46, "mid": 1.03, "hi": 5.49 }
ccadaa
algebra_vieta_sum_v1_971394319_261
Let $r_1$ and $r_2$ be the roots of the equation $x^2 + 5x + 6 = 0$. Let $p$ be the product of all values of $x$ that satisfy this equation. Compute the smallest positive integer $k$ such that the $k$-th Fibonacci number is divisible by $|p| + 2$.
6
graphs = [ Graph( let={ "result": ProductOverSet(set=SolutionsSet(var=Var(name='x'), condition=Eq(left=Sum(Pow(base=Var(name='x'), exp=Const(value=2)), Mul(Const(value=5), Var(name='x')), Const(value=6)), right=Const(value=0)))), "Q": FibonacciEntryPoint(modulus=Sum(Abs(arg=Ref(name=...
NT
null
COMPUTE
sympy
B3
[ "COMB1" ]
567f58
algebra_vieta_sum_v1
null
4
0
[ "B3", "COMB1" ]
2
0.062
2026-02-08T12:55:07.325826Z
{ "verified": true, "answer": 6, "timestamp": "2026-02-08T12:55:07.387623Z" }
6de1b6
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 127, "completion_tokens": 462 }, "timestamp": "2026-02-15T08:05:22.527Z", "answer": 6 }, { ...
1
[ { "lemma": "COMB1", "status": "ok" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V3", "status": "no" } ]
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
9cc6f0
sequence_fibonacci_compute_v1_1520064083_7646
Let $n = 23$. Define $F_n$ to be the $n$th Fibonacci number, where $F_1 = 1$, $F_2 = 1$, and $F_k = F_{k-1} + F_{k-2}$ for $k \geq 3$. Let $S = \sum_{k=1}^{35} k$. Compute the remainder when $S - F_n$ is divided by $78612$.
50,585
graphs = [ Graph( let={ "n": Const(23), "result": Fibonacci(arg=Ref(name='n')), "Q": Mod(value=Sub(Summation(var="k", start=Const(1), end=Const(35), expr=Var("k")), Ref("result")), modulus=Const(78612)), }, goal=Ref("Q"), ) ]
NT
null
COMPUTE
sympy
SUM_ARITHMETIC
[ "SUM_ARITHMETIC" ]
5c63b0
sequence_fibonacci_compute_v1
negation_mod
2
0
[ "SUM_ARITHMETIC" ]
1
0.001
2026-02-08T09:13:50.286632Z
{ "verified": true, "answer": 50585, "timestamp": "2026-02-08T09:13:50.287283Z" }
af0347
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": 614 }, "timestamp": "2026-02-14T01:37:24.218Z", "answer": 50585 }, {...
1
[ { "lemma": "K14", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "SUM_ARITHMETIC", "status": "ok" }, { "lemma": "V1", "status": "no" } ]
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
36ee58
algebra_poly_eval_v1_349078426_319
Let $m = 70652$ and $z$ be the smallest integer $d \geq 2$ that divides $77077$. Let $A$ be the number of integers $t$ with $34 \leq t \leq 61$ such that there exist integers $a$ and $b$ with $1 \leq a \leq 4$, $1 \leq b \leq 2$, and $t = 6a + 9b + 19$. Let $B$ be the number of positive integers $p$ for which there exi...
61,199
graphs = [ Graph( let={ "_m": Const(70652), "_n": Const(2), "z": MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Ref("_n")), Divides(divisor=Var("d"), dividend=Const(77077))))), "result": Sum(Mul(CountOverSet(set=SolutionsSet(var=Var("t")...
NT
null
COMPUTE
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR", "COPRIME_PAIRS", "LIN_FORM" ]
860791
algebra_poly_eval_v1
null
6
0
[ "COPRIME_PAIRS", "LIN_FORM", "MIN_PRIME_FACTOR" ]
3
0.008
2026-02-08T12:55:51.841389Z
{ "verified": true, "answer": 61199, "timestamp": "2026-02-08T12:55:51.849777Z" }
793116
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 236, "completion_tokens": 1480 }, "timestamp": "2026-02-15T08:28:27.972Z", "answer": 61199 }, ...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "MIN_PRIME_FACTOR", "status...
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
73d464
nt_count_digit_sum_v1_153355830_2449
Let $S$ be the set of all integers $t$ with $11 \leq t \leq 56$ for which there exist positive integers $a$ and $b$ such that $1 \leq a \leq 7$, $1 \leq b \leq 4$, and $t = 4a + 7b$. Let $T$ be the number of elements in $S$. Let $U$ be the set of all positive integers $n$ such that $1 \leq n \leq 99999$ and the sum of...
19,351
graphs = [ Graph( let={ "_n": Const(54704), "upper": Const(99999), "target_sum": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(n...
NT
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
nt_count_digit_sum_v1
null
6
0
[ "LIN_FORM" ]
1
3.643
2026-02-08T07:08:29.448112Z
{ "verified": true, "answer": 19351, "timestamp": "2026-02-08T07:08:33.091402Z" }
2bbfe6
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": 3008 }, "timestamp": "2026-02-13T08:23:42.195Z", "answer": 19351 }, ...
1
[ { "lemma": "K15", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
5d6fa5
nt_max_prime_below_v1_784195855_1535
Let $S$ be the set of all positive integers $p$ for which there exists a positive integer $q$ such that $p < q$, $\gcd(p, q) = 1$, and $pq = 24$. Let $m$ be the number of elements in $S$. Determine the largest prime number $n$ such that $n \ge m$ and $n \le 19321$.
19,319
graphs = [ Graph( let={ "upper": Const(19321), "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
0.448
2026-02-08T05:07:48.169782Z
{ "verified": true, "answer": 19319, "timestamp": "2026-02-08T05:07:48.617524Z" }
e67edc
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 197, "completion_tokens": 2886 }, "timestamp": "2026-02-11T22:56:48.468Z", "answer": 19319 }, { ...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status": "no"...
{ "lo": -5.55, "mid": -3.01, "hi": 0.33 }
382098
geo_visible_lattice_v1_1742523217_2241
A lattice point $(x, y)$ is said to be visible from the origin if $\gcd(x, y) = 1$. Let $n = 169$. Compute the remainder when $71567$ times the number of visible lattice points $(x, y)$ with $1 \leq x, y \leq n$ is divided by $85161$.
49,225
graphs = [ Graph( let={ "n": Const(169), "result": VisibleLatticePoints(n=Ref(name='n')), "Q": Mod(value=Mul(Const(71567), Ref("result")), modulus=Const(85161)), }, goal=Ref("Q"), ) ]
GEOM
null
COUNT
sympy
[]
geo_visible_lattice_v1
null
5
0
null
null
0.611
2026-02-08T04:37:28.646316Z
{ "verified": true, "answer": 49225, "timestamp": "2026-02-08T04:37:29.256833Z" }
852426
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 186, "completion_tokens": 27988 }, "timestamp": "2026-02-24T01:30:53.766Z", "answer": 49225 }, { ...
1
[]
{ "lo": 3.43, "mid": 5.73, "hi": 8.84 }
50bb50
nt_count_coprime_v1_784195855_10277
Let $r$ be the number of positive integers $n$ such that $1 \leq n \leq 52441$ and $\gcd(n, 3) = 1$. Let $s$ be the number of positive integers $n$ such that $1 \leq n \leq 74425$ and $n \equiv \left\lfloor \frac{n}{2} \right\rfloor \pmod{11}$. Let $d = s - r$. Compute the remainder when $d$ is divided by $96012$.
67,816
graphs = [ Graph( let={ "upper": Const(52441), "k": Const(3), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("upper")), Eq(GCD(a=Var("n"), b=Ref("k")), Const(1))))), "_c": CountOverSet(set=Solutio...
NT
null
COUNT
sympy
L3C
[ "L3C" ]
fba717
nt_count_coprime_v1
negation_mod
5
0
[ "L3C" ]
1
9.408
2026-02-08T17:33:07.206956Z
{ "verified": true, "answer": 67816, "timestamp": "2026-02-08T17:33:16.614531Z" }
890f3f
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 158, "completion_tokens": 948 }, "timestamp": "2026-02-18T07:35:25.832Z", "answer": 67816 }, {...
1
[ { "lemma": "K18", "status": "no" }, { "lemma": "L3C", "status": "ok" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
b4c7a3
modular_inverse_v1_48377204_1409
Let $a = 598$ and $m = 977$. Let $s$ be the minimum value of $x + y$ over all ordered pairs $(x, y)$ of positive integers such that $xy = 238144$. Find the smallest positive integer $x_1$ such that $1 \le x_1 \le s$ and $598x_1 \equiv 1 \pmod{977}$.
116
graphs = [ Graph( let={ "a": Const(598), "m": Const(977), "upper": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Mul(Var("x"), Var("y")), Const(238144))))...
NT
null
EXTREMUM
sympy
B3
[ "B3" ]
0cd20d
modular_inverse_v1
null
6
0
[ "B3" ]
1
0.062
2026-02-08T16:05:26.516440Z
{ "verified": true, "answer": 116, "timestamp": "2026-02-08T16:05:26.578939Z" }
60f786
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 135, "completion_tokens": 1860 }, "timestamp": "2026-02-16T21:07:37.098Z", "answer": 116 }, { ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "V5", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
c352e6
nt_lcm_compute_v1_1742523217_4558
Let $m = 3$ and let $n$ be the sum of $\phi(d)$ over all positive divisors $d$ of $2156$. Let $a$ be the number of positive integers $j$ such that $j \leq n$ and $j^m \leq 10021812416$. Let $b = 1620$ and let $\text{result} = \text{lcm}(a, b)$. Find the remainder when $65536 - \text{result}$ is divided by $92965$.
29,041
graphs = [ Graph( let={ "_m": Const(3), "_n": SumOverDivisors(n=Const(value=2156), var='d', expr=EulerPhi(n=Var(name='d'))), "a": CountOverSet(set=SolutionsSet(var=Var("j"), condition=And(Geq(Var("j"), Const(1)), Leq(Var("j"), Ref("_n")), Leq(Pow(Var("j"), Ref("_m")), Con...
NT
null
COMPUTE
sympy
K3
[ "K3/C3" ]
712e3b
nt_lcm_compute_v1
null
6
0
[ "C3", "K3" ]
2
0.002
2026-02-08T08:58:06.091533Z
{ "verified": true, "answer": 29041, "timestamp": "2026-02-08T08:58:06.093678Z" }
c37d27
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 158, "completion_tokens": 1479 }, "timestamp": "2026-02-13T22:36:25.505Z", "answer": 29041 }, ...
1
[ { "lemma": "C3", "status": "ok_later" }, { "lemma": "K15", "status": "no" }, { "lemma": "K3", "status": "ok" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { ...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
04816c
comb_bell_compute_v1_168721529_970
Let $m$ be the number of positive integers $p$ for which there exists a positive integer $q$ such that $p < q$, $pq = 216$, and $\gcd(p, q) = 1$. Let $n$ be the largest integer $k$ such that $m^k$ divides $5^{64} - 3^{64}$. Compute the number of partitions of an $n$-element set.
21,147
graphs = [ Graph( let={ "_m": Const(64), "_n": Const(3), "n": MaxKDivides(target=Sub(Pow(Const(5), Const(64)), Pow(Ref("_n"), Ref("_m"))), base=CountOverSet(set=SolutionsSet(var=Var("p"), condition=And(IsPositive(arg=Var(name='p')), Exists(var=Var(name='q'), condition=And...
NT
COMB
COMPUTE
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS/LTE_DIFF_P2" ]
287135
comb_bell_compute_v1
null
6
0
[ "COPRIME_PAIRS", "LTE_DIFF_P2" ]
2
0.003
2026-02-08T13:21:48.987115Z
{ "verified": true, "answer": 21147, "timestamp": "2026-02-08T13:21:48.989848Z" }
70c5c6
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": 2603 }, "timestamp": "2026-02-09T11:23:16.097Z", "answer": 21147 }, { "...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "ok_later" }, { "lemma": "POLY_PADIC_VAL_CONST",...
{ "lo": -1.99, "mid": 2.14, "hi": 6.33 }
b0b952
diophantine_product_count_v1_48377204_1015
Let $k = 360$ and $u = 113$. Define $r$ to be the number of positive integers $x$ such that $1 \le x \le u$, $x$ divides $k$, and $\frac{k}{x} \le u$. Let $c$ be the minimum value of $x_1 + y$ over all ordered pairs $(x_1, y)$ of positive integers such that $x_1 y = 6002500$. Compute $c - r$.
4,882
graphs = [ Graph( let={ "k": Const(360), "upper": Const(113), "result": CountOverSet(set=SolutionsSet(var=Var("x"), condition=And(Geq(Var("x"), Const(1)), Leq(Var("x"), Ref("upper")), Divides(divisor=Var("x"), dividend=Ref("k")), Leq(Div(Ref("k"), Var("x")), Ref("upper"))...
NT
null
COUNT
sympy
B3
[ "B3" ]
fc629c
diophantine_product_count_v1
negation_mod
5
0
[ "B3" ]
1
0.014
2026-02-08T15:51:51.526061Z
{ "verified": true, "answer": 4882, "timestamp": "2026-02-08T15:51:51.539786Z" }
19f633
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": 2837 }, "timestamp": "2026-02-16T14:57:29.256Z", "answer": 4882 }, {...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
968734
nt_count_gcd_equals_v1_1918700295_3730
Determine the number of positive integers $n$ such that $1 \leq n \leq 32768$ and $\gcd(n, 248) = 124$. Compute $1225$ minus this number.
1,093
graphs = [ Graph( let={ "upper": Const(32768), "k": Const(248), "d": Const(124), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("upper")), Eq(GCD(a=Var("n"), b=Ref("k")), Ref("d"))))), ...
NT
null
COUNT
sympy
C3
[ "C3/B3" ]
9118ce
nt_count_gcd_equals_v1
null
4
0
[ "B3", "C3" ]
2
3.342
2026-02-08T08:50:31.527593Z
{ "verified": true, "answer": 1093, "timestamp": "2026-02-08T08:50:34.869637Z" }
c62ebe
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 90, "completion_tokens": 948 }, "timestamp": "2026-02-13T22:39:57.186Z", "answer": 1093 }, { ...
1
[ { "lemma": "B3", "status": "ok_later" }, { "lemma": "C3", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "le...
{ "lo": -7.01, "mid": -4.68, "hi": -2.15 }
eab50f
alg_poly_preperiod_count_v1_601307018_10487
For a non-negative integer $a$, define a sequence by: \[ N = (a^2 - 20) \bmod 67,\quad M = (N^2 - 20) \bmod 67,\quad R = (M^2 - 20) \bmod 67,\quad S = (R^2 - 20) \bmod 67. \] Let $Q$ be the number of integers $a$ with $0 \le a \le 20836$ such that $S = M$ and $R \ne M$. Find $Q$.
1,866
graphs = [ Graph( let={ "p1": Mod(value=Sum(Pow(Var("a"), Const(2)), Const(-20)), modulus=Const(67)), "p2": Mod(value=Sum(Pow(Ref("p1"), Const(2)), Const(-20)), modulus=Const(67)), "p3": Mod(value=Sum(Pow(Ref("p2"), Const(2)), Const(-20)), modulus=Const(67)), ...
ALG
null
COUNT
sympy
POLY_ORBIT_COUNT
[ "POLY_ORBIT_COUNT" ]
4ad965
alg_poly_preperiod_count_v1
null
6
null
[ "POLY_ORBIT_COUNT" ]
1
0.016
2026-03-10T10:57:49.140907Z
{ "verified": true, "answer": 1866, "timestamp": "2026-03-10T10:57:49.157036Z" }
1b9c0f
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 239, "completion_tokens": 5342 }, "timestamp": "2026-04-19T13:55:40.280Z", "answer": 1866 }, { "...
1
[ { "lemma": "POLY_ORBIT_COUNT", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": -5.34, "mid": 1.1, "hi": 7.53 }
a370d0
v1_endings_v1_677425708_877
Let $n = 47868$, $m = 22334$, and $p = 7$. Define $v_p(k!)$ to be the largest integer $e$ such that $p^e$ divides $k!$. Let $a = v_p(n!)$, $b = v_p(m!)$, and $c = v_p((n - m)!)$, where $n - m = 25534$. Define $t = a + b - c$. Find the remainder when $t$ is divided by $100000$.
7,441
graphs = [ Graph( let={ "n_val": Const(47868), "m_val": Const(22334), "nm_val": Const(25534), "p_val": Const(7), "n_fact": Factorial(Ref("n_val")), "m_fact": Factorial(Ref("m_val")), "nm_fact": Factorial(Ref("nm_val")), ...
NT
null
COMPUTE
sympy
V1
[ "V1" ]
dae96f
v1_endings_v1
null
5
null
[ "V1" ]
1
0.001
2026-02-08T03:50:03.478299Z
{ "verified": true, "answer": 7441, "timestamp": "2026-02-08T03:50:03.478881Z" }
452e0f
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 229, "completion_tokens": 2513 }, "timestamp": "2026-02-09T13:44:31.388Z", "answer": 7441 }, { "i...
1
[ { "lemma": "K17", "status": "no" }, { "lemma": "K5", "status": "same_pattern_wrong" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "MOD_MUL", "status": "n...
{ "lo": -6.5, "mid": -0.2, "hi": 6.11 }
c41668
comb_catalan_compute_v1_2051736721_3725
Let $T$ be the set of all ordered pairs $(x_1, x_2)$ of positive odd integers such that $x_1 + x_2 = 22$. Let $n$ be the number of such ordered pairs. Let $C_n$ denote the $n$-th Catalan number. Compute the remainder when $18329 \cdot C_n$ is divided by 53085.
22,349
graphs = [ Graph( let={ "_m": Const(18329), "_n": CountOverSet(set=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(2)), right=IntegerRange(start=Const(1), end=Const(11)))), "n": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x1"), Var("x2")]), conditi...
COMB
null
COMPUTE
sympy
COUNT_CARTESIAN
[ "COUNT_CARTESIAN/COMB1" ]
1007b3
comb_catalan_compute_v1
null
4
0
[ "COMB1", "COUNT_CARTESIAN" ]
2
0.004
2026-02-08T17:30:08.451708Z
{ "verified": true, "answer": 22349, "timestamp": "2026-02-08T17:30:08.456205Z" }
b282e5
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 130, "completion_tokens": 1331 }, "timestamp": "2026-02-18T03:07:19.303Z", "answer": 22349 }, ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COMB1", "status": "ok_later" }, { "lemma": "COUNT_CARTESIAN", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "V8", "sta...
{ "lo": -2.38, "mid": 1.74, "hi": 6.59 }
d1f6da
nt_min_with_divisor_count_v1_1915831931_678
Let $n = 44121$ and $U = 65536$. Define $T$ as the set of all integers $t$ such that $25 \leq t \leq 55$ and $t = 10a + 4b + 11$ for some integers $a \in \{1,2\}$ and $b \in \{1,2,3,4,5,6\}$. Let $d$ be the number of elements in $T$. Let $r$ be the smallest positive integer $n \leq U$ such that the number of positive d...
72,436
graphs = [ Graph( let={ "_n": Const(44121), "upper": Const(65536), "div_count": 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(na...
NT
null
EXTREMUM
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
nt_min_with_divisor_count_v1
null
6
0
[ "LIN_FORM" ]
1
3.053
2026-02-08T15:36:49.140614Z
{ "verified": true, "answer": 72436, "timestamp": "2026-02-08T15:36:52.193335Z" }
119ffa
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 204, "completion_tokens": 1684 }, "timestamp": "2026-02-16T10:17:16.876Z", "answer": 72436 }, ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V5", "status": "no" }, { "lemma": "V7", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
727615
nt_max_prime_below_v1_1742523217_1669
Let $S$ be the set of all ordered pairs $(p, q)$ of positive integers such that $pq = 216$, $\gcd(p, q) = 1$, and $p < q$. Let $k$ be the number of elements in $S$. Determine the largest prime number $n$ such that $k \leq n \leq 74529$.
74,527
graphs = [ Graph( let={ "upper": Const(74529), "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
6
0
[ "COPRIME_PAIRS" ]
1
1.698
2026-02-08T04:06:03.991236Z
{ "verified": true, "answer": 74527, "timestamp": "2026-02-08T04:06:05.688920Z" }
134478
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 190, "completion_tokens": 7637 }, "timestamp": "2026-02-10T15:18:15.712Z", "answer": 74527 }, { ...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "V8", "status": "no" } ]
{ "lo": -7.01, "mid": -4.68, "hi": -2.15 }
0147a8
diophantine_fbi2_min_v1_2051736721_753
Let $k = \sum_{k_1=1}^{8} \phi(k_1) \left\lfloor \frac{8}{k_1} \right\rfloor$, where $\phi$ denotes Euler's totient function. Find the smallest integer $d$ such that $5 \leq d \leq 46$, $d$ divides $k$, and $\frac{k}{d} \geq 2$.
6
graphs = [ Graph( let={ "_n": Const(8), "k": Summation(var="k1", start=Const(1), end=Const(8), expr=Mul(EulerPhi(n=Var("k1")), Floor(Div(Ref("_n"), Var("k1"))))), "upper": Const(46), "result": MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"...
NT
null
EXTREMUM
sympy
B1
[ "K2" ]
6897ab
diophantine_fbi2_min_v1
null
5
0
[ "B1", "K2" ]
2
0.087
2026-02-08T15:39:15.439658Z
{ "verified": true, "answer": 6, "timestamp": "2026-02-08T15:39:15.526937Z" }
31ac3c
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 134, "completion_tokens": 1165 }, "timestamp": "2026-02-16T11:09:30.585Z", "answer": 6 }, { ...
1
[ { "lemma": "K16", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "K5", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "V5", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }