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4bd7be
comb_count_derangements_v1_865884756_3517
Let $m = 13013$. Define $n$ to be the largest prime number $n_1$ such that $2 \leq n_1 \leq d$, where $d$ is the smallest divisor of $m$ that is at least 2. Compute the subfactorial of $n$, denoted $!n$.
1,854
graphs = [ Graph( let={ "_m": Const(13013), "_n": Const(2), "n": MaxOverSet(set=SolutionsSet(var=Var("n1"), condition=And(Geq(Var("n1"), Ref("_n")), Leq(Var("n1"), MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(2)), Divides(divisor=Var("d"), d...
NT
COMB
COUNT
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR/MAX_PRIME_BELOW" ]
e4e16c
comb_count_derangements_v1
null
5
0
[ "MAX_PRIME_BELOW", "MIN_PRIME_FACTOR" ]
2
0.003
2026-02-08T17:29:26.330683Z
{ "verified": true, "answer": 1854, "timestamp": "2026-02-08T17:29:26.333738Z" }
58877d
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 116, "completion_tokens": 897 }, "timestamp": "2026-02-18T02:43:22.201Z", "answer": 1854 }, { ...
1
[ { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok_lat...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
8c41db
nt_min_phi_inverse_v1_784195855_2667
Let $s$ be the minimum value of $x + y$ over all pairs of positive integers $(x, y)$ such that $xy = 1225$. Let $k = 16$. Define $\text{result}$ as the smallest positive integer $n$ such that $1 \le n \le s$ and $\phi(n) = k$, where $\phi$ is Euler's totient function. Let $Q$ be the remainder when $44121 \cdot \text{re...
1,917
graphs = [ Graph( let={ "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(1225)))), expr=Sum(Var("x"), Var("y")))), "k": Const(16)...
NT
null
EXTREMUM
sympy
B3
[ "B3" ]
0cd20d
nt_min_phi_inverse_v1
null
5
0
[ "B3" ]
1
0.013
2026-02-08T05:55:12.560295Z
{ "verified": true, "answer": 1917, "timestamp": "2026-02-08T05:55:12.573179Z" }
d99264
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 160, "completion_tokens": 2194 }, "timestamp": "2026-02-12T16:57:33.715Z", "answer": 1917 }, {...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "V1", "status": "no" } ]
{ "lo": -5.92, "mid": -3.14, "hi": 0.26 }
3537ec
nt_count_gcd_equals_v1_1520064083_5296
Let $S$ be the set of all positive integers $n$ such that $1 \leq n \leq \sum_{d \mid 1230} \varphi(d)$ and $n$ is divisible by 123. Define $U$ to be the sum of all elements in $S$. Let $T$ be the set of all positive integers $n$ such that $1 \leq n \leq U$ and $\gcd(n, 103) = 1$. Compute the number of elements in $T$.
6,700
graphs = [ Graph( let={ "_n": Const(123), "upper": SumOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), SumOverDivisors(n=Const(value=1230), var='d', expr=EulerPhi(n=Var(name='d')))), Eq(Mod(value=Var("n"), modulus=Ref("_n")), Const(0))))), ...
NT
null
COUNT
sympy
K3
[ "K3/SUM_DIVISIBLE" ]
df60a7
nt_count_gcd_equals_v1
null
5
0
[ "K3", "SUM_DIVISIBLE" ]
2
1.027
2026-02-08T06:43:36.299801Z
{ "verified": true, "answer": 6700, "timestamp": "2026-02-08T06:43:37.326908Z" }
c603e1
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 155, "completion_tokens": 841 }, "timestamp": "2026-02-13T04:06:50.774Z", "answer": 6700 }, { ...
1
[ { "lemma": "DS2", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "K3", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "SUM_DIVISIBLE", "status": "ok_later" }...
{ "lo": -5.55, "mid": -3.01, "hi": 0.32 }
48dd33
comb_count_permutations_fixed_v1_677425708_1708
Let $n$ be the maximum value of $xy$ over all pairs of positive integers $(x, y)$ such that $x + y = 6$. Let $k = 4$. Define $r = \binom{n}{k} \cdot !(n - k)$, where $!m$ denotes the number of derangements of $m$ elements. Compute the remainder when $44121 \cdot r$ is divided by $63650$.
63,524
graphs = [ Graph( let={ "_n": Const(63650), "n": MaxOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Sum(Var("x"), Var("y")), Const(6)))), expr=Mul(Var("x"), Var("y")))), ...
COMB
null
COUNT
sympy
B1
[ "B1" ]
5b950e
comb_count_permutations_fixed_v1
null
4
0
[ "B1" ]
1
0.002
2026-02-08T04:23:09.734280Z
{ "verified": true, "answer": 63524, "timestamp": "2026-02-08T04:23:09.736593Z" }
62acb5
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": 6282 }, "timestamp": "2026-02-09T23:48:08.970Z", "answer": 63524 }, { "...
1
[ { "lemma": "B1", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -0.05, "mid": 2.89, "hi": 5.27 }
950bb1
comb_count_permutations_fixed_v1_168721529_101
Let $m = 19$. Define $n$ to be the number of positive integers $k$ such that $1 \leq k \leq m$ and $\gcd\left(k, \sum_{d \mid 14} \phi(d)\right) = 1$. Let $r = \binom{n}{6} \cdot !(n-6)$, where $!(n-6)$ denotes the number of derangements of $n-6$ elements. Let $Q = 44121 \cdot r$. Compute the remainder when $Q$ is divi...
32,046
graphs = [ Graph( let={ "_m": Const(19), "_n": Const(50206), "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=SumOverDivisors(n=Const(value=14), var='d', expr=EulerPhi(n=Var(name='d'))))...
NT
COMB
COUNT
sympy
K3
[ "K3/C4" ]
c1614d
comb_count_permutations_fixed_v1
null
6
0
[ "C4", "K3" ]
2
0.005
2026-02-08T12:48:33.728885Z
{ "verified": true, "answer": 32046, "timestamp": "2026-02-08T12:48:33.733553Z" }
1bf054
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 243, "completion_tokens": 981 }, "timestamp": "2026-02-08T21:03:25.220Z", "answer": 32046 }, { "i...
1
[ { "lemma": "C4", "status": "ok_later" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K3", "status": "ok" }, { "lemma": "L3c", "status": "no" }, { "lemma": "V7", "status": "no" }, {...
{ "lo": -2.02, "mid": 1.85, "hi": 5.2 }
838b90
alg_poly3_sum_v1_601307018_610
Let $M$ be the number of positive integers $n$ with $1 \le n \le 50400$ such that $n \equiv \left\lfloor \frac{n}{2} \right\rfloor \pmod{7}$. Let $S$ be the set of integers $v$ with $18 \le v \le M$ for which there exist integers $a, b$ such that $1 \le a, b \le 20$ and $13a^2 + 4ab + b^2 = v$. Let $T = |S|$. Compute t...
60,456
graphs = [ Graph( let={ "_m": Const(3), "_n": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Const(50400)), Congruent(a=Var(name='n'), b=Floor(arg=Div(left=Var(name='n'), right=Const(value=2))), modulus=Const(value=7))))), ...
NT
null
COMPUTE
sympy
L3C
[ "L3C/QF_PSD_DISTINCT" ]
f49f5c
alg_poly3_sum_v1
null
7
0
[ "L3C", "QF_PSD_DISTINCT" ]
2
0.276
2026-03-10T01:08:14.009326Z
{ "verified": true, "answer": 60456, "timestamp": "2026-03-10T01:08:14.285221Z" }
95aeae
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 312, "completion_tokens": 32768 }, "timestamp": "2026-03-28T23:40:23.371Z", "answer": null }, { ...
1
[ { "lemma": "K13", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "L3C", "status": "ok" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "QF_PSD_DISTINCT", "status": "ok_later" }, { "lemma": "V3", "status": "no" }, { ...
{ "lo": 4.01, "mid": 6.11, "hi": 9.15 }
62e626
nt_sum_gcd_range_mod_v1_1742523217_4610
Let $N$ be the maximum value of $xy$ where $x$ and $y$ are positive integers such that $x + y = 142$. Let $k$ be the minimum value of $x + y$ where $x$ and $y$ are positive integers such that $xy = 57600$. Define $$ \text{sum} = \sum_{n=1}^{N} \gcd(n, k). $$ Let $M = 10687$. Find the remainder when $\text{sum}$ is divi...
10,053
graphs = [ Graph( let={ "_n": Const(142), "N": MaxOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Sum(Var("x"), Var("y")), Ref("_n")))), expr=Mul(Var("x"), Var("y")))), ...
NT
null
COMPUTE
sympy
B1
[ "B1", "B3" ]
655d51
nt_sum_gcd_range_mod_v1
null
6
0
[ "B1", "B3" ]
2
0.236
2026-02-08T08:58:50.476789Z
{ "verified": true, "answer": 10053, "timestamp": "2026-02-08T08:58:50.712863Z" }
715120
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": 3506 }, "timestamp": "2026-02-13T23:09:11.758Z", "answer": 10053 }, ...
1
[ { "lemma": "B1", "status": "ok" }, { "lemma": "B3", "status": "ok" }, { "lemma": "K13", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "V8", ...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
925653
nt_sum_gcd_range_mod_v1_1248542787_360
Let $N$ be the sum of $\phi(d)$ over all positive divisors $d$ of $7744$, where $\phi$ denotes Euler's totient function. Let $k = 108$ and let \[ \text{sum} = \sum_{n=1}^{N} \gcd(n, k). \] Define $M = 10177$ and let $\text{result} = \text{sum} \bmod M$. Finally, let $Q = 11111 - \text{result}$. Compute the value of $Q...
5,411
graphs = [ Graph( let={ "N": SumOverDivisors(n=Const(value=7744), var='d', expr=EulerPhi(n=Var(name='d'))), "k": Const(108), "M": Const(10177), "sum": Summation(var="n", start=Const(1), end=Ref("N"), expr=GCD(a=Var("n"), b=Ref("k"))), "result": Mod...
NT
null
COMPUTE
sympy
K3
[ "K3" ]
54c41e
nt_sum_gcd_range_mod_v1
null
6
0
[ "K3" ]
1
0.344
2026-02-08T03:05:00.899883Z
{ "verified": true, "answer": 5411, "timestamp": "2026-02-08T03:05:01.243607Z" }
cbc7a2
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 235, "completion_tokens": 3333 }, "timestamp": "2026-02-09T03:17:26.063Z", "answer": 5407 }, { ...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K3", "status": "ok" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" ...
{ "lo": 1.1, "mid": 4.17, "hi": 6.61 }
c4c775
nt_max_prime_below_v1_349078426_156
Let $T$ be the set of all positive integers $p$ for which there exists a positive integer $q$ such that $p \cdot q = 54$, $\gcd(p, q) = 1$, and $p < q$. Let $\ell$ be the number of elements in $T$. Define $S$ to be the set of all prime numbers $n$ such that $n \ge \ell$ and $n \le 80000$. Determine the value of the lar...
79,999
graphs = [ Graph( let={ "upper": Const(80000), "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
5
0
[ "COPRIME_PAIRS" ]
1
2.526
2026-02-08T12:51:37.926263Z
{ "verified": true, "answer": 79999, "timestamp": "2026-02-08T12:51:40.452439Z" }
259e81
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 155, "completion_tokens": 3196 }, "timestamp": "2026-02-15T06:18:41.786Z", "answer": 79999 }, ...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "MOD_MUL", "sta...
{ "lo": -6.96, "mid": -4.56, "hi": -1.46 }
e55aae
nt_count_divisible_v1_48377204_2858
Let $d = 1 + 2 + 3 + 4$. Compute the number of positive integers $n$ such that $1 \leq n \leq 63001$ and $n$ is divisible by $d$.
6,300
graphs = [ Graph( let={ "_n": Const(4), "upper": Const(63001), "divisor": Summation(var="k", start=Const(1), end=Ref("_n"), expr=Var("k")), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("upper"))...
NT
null
COUNT
sympy
SUM_ARITHMETIC
[ "SUM_ARITHMETIC" ]
eb34f0
nt_count_divisible_v1
null
2
0
[ "SUM_ARITHMETIC" ]
1
6.366
2026-02-08T17:02:01.390756Z
{ "verified": true, "answer": 6300, "timestamp": "2026-02-08T17:02:07.756622Z" }
4d349f
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 1, "correct": { "strict": false, "boxed": false, "relaxed": true }, "usage": { "prompt_tokens": 108, "completion_tokens": 374 }, "timestamp": "2026-02-16T08:57:02.092Z", "answer": 6301 }, { "id": 11, ...
1
[ { "lemma": "K13", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "SUM_ARITHMETIC", "status": "ok" }, { "lemma": "V3", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -8.26, "mid": -5.01, "hi": -1.76 }
150629
comb_count_partitions_v1_1978505735_565
Let $n$ be the number of ordered pairs $(x_1, x_2)$ of positive odd integers such that $x_1 + x_2 = 76$. Compute the number of integer partitions of $n$.
26,015
graphs = [ Graph( let={ "_n": Const(76), "n": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x1"), Var("x2")]), condition=And(IsPositive(arg=Var(name='x1')), IsPositive(arg=Var(name='x2')), IsOdd(arg=Var(name='x1')), IsOdd(arg=Var(name='x2')), Eq(Sum(Var("x1"), Var("x2")), Re...
COMB
null
COUNT
sympy
COMB1
[ "COMB1" ]
567f58
comb_count_partitions_v1
null
4
0
[ "COMB1" ]
1
0.002
2026-02-08T15:27:34.458984Z
{ "verified": true, "answer": 26015, "timestamp": "2026-02-08T15:27:34.461190Z" }
8d1408
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 158, "completion_tokens": 1161 }, "timestamp": "2026-02-24T20:57:31.479Z", "answer": 26015 }, { "...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COMB1", "status": "ok" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -2.43, "mid": 1.2, "hi": 4.84 }
a44af6
nt_count_gcd_equals_v1_784195855_3003
Let $n$ be a positive integer such that $1 \leq n \leq 26896$ and $\gcd(n, 29) = 1$. Let $r$ be the number of such integers $n$. Let $S$ be the set of all positive integers $p$ for which there exists an integer $q$ such that $pq = 6$, $\gcd(p, q) = 1$, and $p < q$. Let $t$ be the number of elements in $S$. Compute the ...
5,000
graphs = [ Graph( let={ "upper": Const(26896), "k": Const(29), "d": Const(1), "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"))))), "Q...
NT
null
COUNT
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS" ]
14fbb8
nt_count_gcd_equals_v1
quadratic_mod
4
0
[ "COPRIME_PAIRS" ]
1
2.435
2026-02-08T06:11:03.566370Z
{ "verified": true, "answer": 5000, "timestamp": "2026-02-08T06:11:06.001185Z" }
7ce4f1
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": 2221 }, "timestamp": "2026-02-12T20:58:10.124Z", "answer": 5000 }, {...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "K14", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
faaeef
comb_count_surjections_v1_579913215_97
Let $n = 4$. Define $k$ to be the number of ordered pairs $(x_1, x_2)$ of positive odd integers such that $x_1 + x_2 = 8$. Let $r = k! \cdot S(n, k)$, where $S(n, k)$ denotes the Stirling number of the second kind. Compute the remainder when $28221 \cdot r$ is divided by $92777$. Determine the value of this expression.
27,865
graphs = [ Graph( let={ "n": Const(4), "k": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x1"), Var("x2")]), condition=And(IsPositive(arg=Var(name='x1')), IsPositive(arg=Var(name='x2')), IsOdd(arg=Var(name='x1')), IsOdd(arg=Var(name='x2')), Eq(Sum(Var("x1"), Var("x2")), Cons...
COMB
null
COUNT
sympy
COMB1
[ "COMB1" ]
567f58
comb_count_surjections_v1
null
4
0
[ "COMB1" ]
1
0.004
2026-02-08T12:52:05.718661Z
{ "verified": true, "answer": 27865, "timestamp": "2026-02-08T12:52:05.722443Z" }
0e256c
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 213, "completion_tokens": 32768 }, "timestamp": "2026-02-24T16:30:32.199Z", "answer": 28265 }, { ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COMB1", "status": "ok" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "V8_SUM", "st...
{ "lo": -2.35, "mid": 1.22, "hi": 4.84 }
c7b558
comb_factorial_compute_v1_601307018_840
Let $n$ be the number of ordered pairs $(a, b)$ of positive integers with $1 \le a, b \le 10$ such that $$ 102a^2b^2 + \left|\{ (a_1, b_1) : 1 \le a_1, b_1 \le 40,\ -1028a_1^3b_1 -1028a_1b_1^3 + \left|\{ t : \exists a_1,b_1\in\mathbb{Z}^+,\ 1\le a_1\le282,\ 1\le b_1\le142,\ t=12a_1+9b_1,\ 21\le t\le4662 \}\right| \cdot...
47,240
graphs = [ Graph( let={ "_c": Const(3), "_m": Const(4), "_n": Const(17), "n": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), Const(10)), Geq(Var("b"), Const(1)), Leq(Var("b"), Const(...
COMB
null
COMPUTE
sympy
POLY4_COUNT
[ "POLY4_COUNT/POLY4_COUNT", "LIN_FORM/POLY4_COUNT" ]
9af31b
comb_factorial_compute_v1
null
8
0
[ "LIN_FORM", "POLY4_COUNT" ]
2
0.061
2026-03-10T01:27:54.860385Z
{ "verified": true, "answer": 47240, "timestamp": "2026-03-10T01:27:54.921219Z" }
22d53c
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 369, "completion_tokens": 4323 }, "timestamp": "2026-04-18T15:00:57.048Z", "answer": 44121 }, { ...
0
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "POLY4_COUNT"...
{ "lo": 3.52, "mid": 5.88, "hi": 8.98 }
122eff
nt_min_with_divisor_count_v1_1918700295_1845
Compute the smallest positive integer $n$ such that $n \leq 97969$ and the number of positive divisors of $n$ is exactly 10.
48
graphs = [ Graph( let={ "upper": Const(97969), "div_count": Const(10), "result": MinOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("upper")), Eq(NumDivisors(n=Var("n")), Ref("div_count"))))), }, goal=Ref("re...
NT
null
EXTREMUM
sympy
MOBIUS_COPRIME
[ "MOBIUS_COPRIME" ]
ac54ac
nt_min_with_divisor_count_v1
null
4
0
[ "MOBIUS_COPRIME" ]
1
19.929
2026-02-08T06:04:55.022418Z
{ "verified": true, "answer": 48, "timestamp": "2026-02-08T06:05:14.951209Z" }
bc91fc
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 80, "completion_tokens": 940 }, "timestamp": "2026-02-12T20:42:07.668Z", "answer": 48 }, { ...
1
[ { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MOBIUS_COPRIME", "status": "ok" }, { "lemma": "MOD_ADD", "status": "no" } ]
{ "lo": -5.92, "mid": -3.14, "hi": 0.26 }
2f9c47
comb_sum_binomial_row_v1_1218484723_4981
Compute the 16th power of the number of integers $a$ with $0 \le a \le 42$ such that $$ 3 \left( (3a^3 - 3a + 2) \bmod 43 \right)^3 - 3 \left( (3a^3 - 3a + 2) \bmod 43 \right) + 2 \equiv a \pmod{43} $$ and $ (3a^3 - 3a + 2) \bmod 43 \ne a $.
65,536
graphs = [ Graph( let={ "_n": Const(2), "n": Const(16), "result": Pow(CountOverSet(set=SolutionsSet(var=Var("a"), condition=And(Geq(Var("a"), Const(0)), Leq(Var("a"), Const(42)), Eq(Mod(value=Sum(Mul(Const(3), Pow(Mod(value=Sum(Mul(Const(3), Pow(Var("a"), Const(3))), Mul(...
COMB
null
SUM
sympy
POLY_ORBIT_COUNT
[ "POLY_ORBIT_COUNT" ]
4ad965
comb_sum_binomial_row_v1
null
6
0
[ "POLY_ORBIT_COUNT" ]
1
0.002
2026-02-25T06:36:49.425227Z
{ "verified": true, "answer": 65536, "timestamp": "2026-02-25T06:36:49.426741Z" }
a220da
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 232, "completion_tokens": 12217 }, "timestamp": "2026-03-29T18:50:35.837Z", "answer": 0 }, { "...
1
[ { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "POLY_ORBIT_COUNT", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status"...
{ "lo": 1.53, "mid": 4.7, "hi": 7.23 }
529534
comb_catalan_compute_v1_1520064083_3473
Let $T$ be the set of all integers $t$ with $5 \leq t \leq 16$ for which there exist integers $a$ and $b$ such that $1 \leq a \leq 5$, $1 \leq b \leq 2$, and $t = 2a + 3b$. Let $n$ be the number of elements in $T$. Define $C_n$ to be the $n$-th Catalan number. Compute the remainder when $44121 \cdot C_n$ is divided by ...
19,716
graphs = [ Graph( let={ "_n": Const(91486), "n": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=5)), Geq(left=Va...
COMB
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
comb_catalan_compute_v1
null
6
0
[ "LIN_FORM" ]
1
0.002
2026-02-08T05:41:51.867120Z
{ "verified": true, "answer": 19716, "timestamp": "2026-02-08T05:41:51.869028Z" }
715baa
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 236, "completion_tokens": 1493 }, "timestamp": "2026-02-24T04:18:19.599Z", "answer": 19716 }, { "...
1
[ { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status": "no" ...
{ "lo": -2.46, "mid": 0.47, "hi": 3.59 }
cf893c
lin_form_endings_v1_397696148_2756
Let $S$ be the set of all integers $t$ such that $32 \leq t \leq 408$ and there exist positive integers $a$ and $b$ with $1 \leq a \leq 24$, $1 \leq b \leq 6$, and $t = 12a + 20b$. Let $N$ be the number of elements in $S$. Compute the remainder when $6493 \cdot N$ is divided by $50714$.
7,037
graphs = [ Graph( let={ "_inner_result": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=24)), Geq(left=Var(name='b'), right=...
COMB
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
lin_form_endings_v1
null
4
null
[ "LIN_FORM" ]
1
0.001
2026-02-08T13:32:35.818944Z
{ "verified": true, "answer": 7037, "timestamp": "2026-02-08T13:32:35.820316Z" }
2b9185
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 218, "completion_tokens": 3386 }, "timestamp": "2026-02-24T18:30:43.840Z", "answer": 7037 }, { "i...
1
[ { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status...
{ "lo": -2.35, "mid": 1.22, "hi": 4.84 }
e91c17
diophantine_fbi2_count_v1_124444284_2615
Let $k = 60$. Determine the number of integers $d$ such that $2 \leq d \leq 56$, $d$ divides $k$, and $4 \leq \frac{k}{d} \leq 58$.
8
graphs = [ Graph( let={ "k": Const(60), "a": Const(1), "b": Const(3), "upper": Const(55), "result": CountOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(2)), Leq(Var("d"), Const(56)), Divides(divisor=Var("d"), dividend=Ref(...
NT
null
COUNT
sympy
LIN_FORM
[ "COUNT_PRIMES", "B3" ]
38fcc0
diophantine_fbi2_count_v1
null
3
0
[ "B3", "COUNT_PRIMES", "LIN_FORM" ]
3
0.139
2026-02-08T04:50:53.582552Z
{ "verified": true, "answer": 8, "timestamp": "2026-02-08T04:50:53.721369Z" }
eeda8d
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 164, "completion_tokens": 644 }, "timestamp": "2026-02-11T22:17:31.283Z", "answer": 8 }, { "id":...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_PRIMES", "status": "ok" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MOD_SUB", "status": "no"...
{ "lo": -5.55, "mid": -3.01, "hi": 0.33 }
e34851
modular_mod_compute_v1_717093673_2940
Let $ d $ be the smallest integer greater than or equal to $ 2 $ that divides $ 8385964537 $. Let $ a = 19 $, and let $ r $ be the remainder when $ a $ is divided by $ d $. Compute the remainder when $ 44121 \cdot r $ is divided by $ 93496 $.
90,331
graphs = [ Graph( let={ "_n": Const(2), "a": Const(19), "m": MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Ref("_n")), Divides(divisor=Var("d"), dividend=Const(8385964537))))), "result": Mod(value=Ref("a"), modulus=Ref("m")), ...
NT
null
COMPUTE
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR" ]
bc3776
modular_mod_compute_v1
null
3
0
[ "MIN_PRIME_FACTOR" ]
1
0.002
2026-02-08T17:17:58.841424Z
{ "verified": true, "answer": 90331, "timestamp": "2026-02-08T17:17:58.843220Z" }
1294a5
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 119, "completion_tokens": 7722 }, "timestamp": "2026-02-17T23:13:20.491Z", "answer": 90331 }, ...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "V1", "status": "no"...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
dc7449
sequence_count_fib_divisible_v1_1918700295_1344
Let $m = 34969$ and $n = 44121$. Let $T$ be the set of all ordered pairs of positive integers $(x, y)$ such that $x \cdot y = m$. Let $s$ be the minimum value of $x + y$ over all pairs $(x, y) \in T$. Let $d$ be the largest prime number not exceeding 16. Let $R$ be the set of all positive integers $n$ such that $1 \leq...
15,693
graphs = [ Graph( let={ "_m": Const(34969), "_n": Const(44121), "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")), Ref("_m"))...
NT
null
COUNT
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW", "B3" ]
78ed98
sequence_count_fib_divisible_v1
null
7
0
[ "B3", "MAX_PRIME_BELOW" ]
2
0.037
2026-02-08T05:47:27.333790Z
{ "verified": true, "answer": 15693, "timestamp": "2026-02-08T05:47:27.370416Z" }
0a7eb6
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": 1886 }, "timestamp": "2026-02-12T14:14:47.729Z", "answer": 15693 }, ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma":...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
61fe15
modular_count_residue_v1_458359167_17
Let $n = 429$. Let $m = 27$ and let $u = 46656$. Define $r$ to be the number of positive integers $k$ such that $1 \leq k \leq e$, where $e$ is the largest integer for which $13^e$ divides $n!$, and $\gcd(k, 6) = 1$. Let $S$ be the set of all positive integers $n$ such that $1 \leq n \leq u$ and $n \equiv r \pmod{m}$....
1,728
graphs = [ Graph( let={ "_n": Const(429), "upper": Const(46656), "m": Const(27), "r": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), MaxKDivides(target=Factorial(Ref("_n")), base=Const(13))), Eq(GCD(a=Var("n"),...
NT
null
COUNT
sympy
V1
[ "V1/C4" ]
d84fad
modular_count_residue_v1
null
7
0
[ "C4", "V1" ]
2
1.683
2026-02-08T02:57:04.894442Z
{ "verified": true, "answer": 1728, "timestamp": "2026-02-08T02:57:06.577529Z" }
ca3f8d
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 248, "completion_tokens": 1876 }, "timestamp": "2026-02-08T20:12:50.424Z", "answer": 1728 }, { "i...
1
[ { "lemma": "C4", "status": "ok_later" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K5", "status": "same_pattern_wrong" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "V1", "status": "o...
{ "lo": -6.5, "mid": -0.2, "hi": 6.11 }
86dc21
nt_count_gcd_equals_v1_1742523217_2513
Let $k$ be the number of integers $t$ such that $24 \leq t \leq 140$ and there exist positive integers $a$ and $b$ with $1 \leq a \leq 5$, $1 \leq b \leq 7$, and $t = 14a + 10b$. Let $d = 1$ and let the upper bound be $44444$. Determine the value of the number of positive integers $n$ such that $1 \leq n \leq 44444$ an...
30,476
graphs = [ Graph( let={ "upper": Const(44444), "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=5)), Geq(left...
NT
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
nt_count_gcd_equals_v1
null
5
0
[ "LIN_FORM" ]
1
4.747
2026-02-08T04:48:43.218565Z
{ "verified": true, "answer": 30476, "timestamp": "2026-02-08T04:48:47.965409Z" }
23d243
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 240, "completion_tokens": 1674 }, "timestamp": "2026-02-11T22:05:20.742Z", "answer": 30476 }, { ...
1
[ { "lemma": "K15", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V7", "status": "no" } ]
{ "lo": -3.42, "mid": 1.86, "hi": 7.55 }
4b2cba
antilemma_k3_v1_1439011603_2993
Let $x$ be the sum of $\phi(d)$ over all positive divisors $d$ of $57729$, where $\phi$ denotes Euler's totient function. Find the remainder when $62973 \cdot x$ is divided by $52618$.
43,315
graphs = [ Graph( let={ "x": SumOverDivisors(n=Const(value=57729), var='d', expr=EulerPhi(n=Var(name='d'))), "_c": Const(62973), "Q": Mod(value=Mul(Ref("_c"), Ref("x")), modulus=Const(52618)), }, goal=Ref("Q"), ) ]
NT
COMB
COMPUTE
sympy
K3
[ "K3" ]
54c41e
antilemma_k3_v1
null
3
0
[ "K3" ]
1
0.001
2026-02-08T17:08:47.804015Z
{ "verified": true, "answer": 43315, "timestamp": "2026-02-08T17:08:47.804773Z" }
868fd3
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 99, "completion_tokens": 1651 }, "timestamp": "2026-02-17T19:18:32.244Z", "answer": 43315 }, {...
1
[ { "lemma": "K3", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V5", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
028188
sequence_count_fib_divisible_v1_48377204_1980
Let $d = 17$. Compute the number of positive integers $n$ such that $1 \leq n \leq 909$ and $d$ divides the $n$-th Fibonacci number.
101
graphs = [ Graph( let={ "upper": Const(909), "d": Const(17), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("upper")), Divides(divisor=Ref("d"), dividend=Fibonacci(arg=Var(name='n')))))), }, g...
NT
null
COUNT
sympy
B3
[ "B3", "V1" ]
07b21c
sequence_count_fib_divisible_v1
null
5
0
[ "B3", "V1" ]
2
0.077
2026-02-08T16:32:07.564512Z
{ "verified": true, "answer": 101, "timestamp": "2026-02-08T16:32:07.641725Z" }
525da9
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": 2517 }, "timestamp": "2026-02-17T06:24:11.263Z", "answer": 101 }, { ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "K5", "status": "same_pattern_wrong" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemm...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
5d11e3
comb_binomial_compute_v1_2051736721_6047
Let $$n = \sum_{k=1}^{5} \phi(k) \left\lfloor \frac{5}{k} \right\rfloor,$$ where $\phi(k)$ is Euler's totient function. Let $k$ be the largest prime number satisfying $2 \le k \le 8$. Compute $\binom{n}{k}$.
6,435
graphs = [ Graph( let={ "_n": Const(2), "n": Summation(var="k1", start=Const(1), end=Const(5), expr=Mul(EulerPhi(n=Var("k1")), Floor(Div(Const(5), Var("k1"))))), "k": MaxOverSet(set=SolutionsSet(var=Var("n1"), condition=And(Geq(Var("n1"), Ref("_n")), Leq(Var("n1"), Const(...
NT
null
COMPUTE
sympy
LTE_DIFF
[ "MAX_PRIME_BELOW", "K2" ]
e3ad1e
comb_binomial_compute_v1
null
5
0
[ "K2", "LTE_DIFF", "MAX_PRIME_BELOW" ]
3
0.007
2026-02-08T18:55:00.674315Z
{ "verified": true, "answer": 6435, "timestamp": "2026-02-08T18:55:00.681052Z" }
2e5512
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 136, "completion_tokens": 528 }, "timestamp": "2026-02-16T18:31:10.504Z", "answer": 6435 }, { "id": 11, ...
2
[ { "lemma": "C2", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "K5", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma":...
{ "lo": -10, "mid": -7.27, "hi": -4.54 }
944b02
nt_min_crt_v1_1978505735_5484
Let $m = 5$ and $k = 9$. Find the smallest positive integer $n$ such that $1 \leq n \leq 45$, $n \equiv 2 \pmod{5}$, and $n \equiv 7 \pmod{9}$. Let $F_k$ denote the $k$-th Fibonacci number, with $F_1 = 1$, $F_2 = 1$, and $F_{k} = F_{k-1} + F_{k-2}$ for $k \geq 3$. Compute the smallest positive integer $k$ such that $F_...
12
graphs = [ Graph( let={ "m": Const(5), "k": Const(9), "a": Const(2), "b": Const(7), "upper": Const(45), "result": MinOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("upper")), Eq(Mod(value...
NT
null
EXTREMUM
sympy
B1
[ "K13/B3" ]
382a12
nt_min_crt_v1
null
4
0
[ "B1", "B3", "K13" ]
3
0.231
2026-02-08T19:01:46.213817Z
{ "verified": true, "answer": 12, "timestamp": "2026-02-08T19:01:46.444453Z" }
73276b
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 190, "completion_tokens": 1276 }, "timestamp": "2026-02-18T21:08:22.846Z", "answer": 12 }, { ...
1
[ { "lemma": "B3", "status": "ok_later" }, { "lemma": "K13", "status": "ok" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "V1", "status": "no" }, { ...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
2ecdd7
antilemma_k2_v1_1470522791_11
Compute $$ \sum_{k=1}^{49} \phi(k) \left\lfloor \frac{49}{k} \right\rfloor, $$ where $\phi(k)$ denotes Euler's totient function.
1,225
graphs = [ Graph( let={ "_n": Const(49), "x": Summation(var="k", start=Const(1), end=Ref("_n"), expr=Mul(EulerPhi(n=Var("k")), Floor(Div(Const(49), Var("k"))))), }, goal=Ref("x"), ) ]
NT
COMB
COMPUTE
sympy
K13
[ "K2" ]
6897ab
antilemma_k2_v1
null
3
0
[ "K13", "K2" ]
2
0.002
2026-02-08T12:47:31.476753Z
{ "verified": true, "answer": 1225, "timestamp": "2026-02-08T12:47:31.478392Z" }
d44e12
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 90, "completion_tokens": 697 }, "timestamp": "2026-02-15T05:04:09.097Z", "answer": 1225 }, { ...
1
[ { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V1", "status": "no" } ]
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
ef8263
algebra_poly_eval_v1_717093673_2115
Let $p$ be the number of positive integers $p'$ less than some $q'$ such that $p' q' = 18$, $\gcd(p', q') = 1$, and $p' < q'$. Let $d = 13$. Define $$ E = \frac{144d^5 + 78d^4 + 105d^3 + 68d^p - 12d - 9}{m}, $$ where $m$ is the minimum value of $x + y$ over all ordered pairs of positive integers $(x, y)$ such that $xy ...
22,927
graphs = [ Graph( let={ "_m": Const(4), "_n": Const(3), "m": Const(13), "result": Div(Sum(Mul(Const(144), Pow(Ref("m"), Const(5))), Mul(Const(78), Pow(Ref("m"), Ref("_m"))), Mul(Const(105), Pow(Ref("m"), Ref("_n"))), Mul(Const(68), Pow(Ref("m"), CountOverSet(s...
NT
null
COMPUTE
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS", "B3" ]
1999ea
algebra_poly_eval_v1
null
6
0
[ "B3", "COPRIME_PAIRS" ]
2
0.013
2026-02-08T16:33:45.889752Z
{ "verified": true, "answer": 22927, "timestamp": "2026-02-08T16:33:45.902697Z" }
d939f4
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 206, "completion_tokens": 2865 }, "timestamp": "2026-02-17T08:12:56.563Z", "answer": 22927 }, ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lem...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
b18e43
diophantine_sum_product_min_v1_151522320_460
Let $n = 11$. Let $S = 12$. Let $T$ be the set of all integers $t$ such that $18 \leq t \leq 240$ and there exist positive integers $a$, $b$ with $1 \leq a \leq 16$, $1 \leq b \leq 10$, and $t = 10a + 8b$. Let $P$ be the minimum value of $x + y$ over all ordered pairs $(x, y)$ of positive integers such that $xy = |T|$....
57,598
graphs = [ Graph( let={ "_n": Const(11), "S": Const(12), "P": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Mul(Var("x"), Var("y")), CountOverSet(set=Solu...
NT
null
EXTREMUM
sympy
LIN_FORM
[ "LIN_FORM/B3" ]
05313e
diophantine_sum_product_min_v1
null
6
0
[ "B3", "LIN_FORM" ]
2
0.006
2026-02-08T03:20:50.224285Z
{ "verified": true, "answer": 57598, "timestamp": "2026-02-08T03:20:50.230228Z" }
d7d146
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 280, "completion_tokens": 5199 }, "timestamp": "2026-02-10T13:17:31.648Z", "answer": 57598 }, { ...
1
[ { "lemma": "B3", "status": "ok_later" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { ...
{ "lo": -3.42, "mid": 1.86, "hi": 7.55 }
29b071
nt_count_divisors_in_range_v1_655260480_4349
Let $n = 1680$. Let $a = 10$. Let $b$ be the number of ordered pairs $(i, j)$ of positive integers such that $i + j = 115$, $1 \leq i \leq 114$, and $1 \leq j \leq 115$. Compute the number of positive divisors $d$ of $n$ such that $a \leq d \leq b$.
21
graphs = [ Graph( let={ "n": Const(1680), "a": Const(10), "b": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=Eq(Sum(Var("i"), Var("j")), Const(115)), domain=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(114)), right=Integ...
NT
null
COUNT
sympy
LIN_FORM
[ "COUNT_SUM_EQUALS" ]
75ab0f
nt_count_divisors_in_range_v1
null
4
0
[ "COUNT_SUM_EQUALS", "LIN_FORM" ]
2
0.098
2026-02-08T17:53:33.446025Z
{ "verified": true, "answer": 21, "timestamp": "2026-02-08T17:53:33.544051Z" }
ec3336
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": 2622 }, "timestamp": "2026-02-18T09:35:53.523Z", "answer": 21 }, { ...
1
[ { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "K17", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status"...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
fca3f1
diophantine_fbi2_min_v1_677425708_2070
Let $$ n = \sum_{k=1}^{3} \phi(k) \left\lfloor \frac{3}{k} \right\rfloor, $$ and define $$ k = \sum_{i=1}^{n} \phi(i) \left\lfloor \frac{n}{i} \right\rfloor. $$ Let $d$ be the smallest integer such that $5 \leq d \leq 31$, $d$ divides $k$, and $k/d \geq 2$. Compute $d$.
7
graphs = [ Graph( let={ "_n": Summation(var="k", start=Const(1), end=Const(3), expr=Mul(EulerPhi(n=Var("k")), Floor(Div(Const(3), Var("k"))))), "k": Summation(var="k", start=Const(1), end=Ref("_n"), expr=Mul(EulerPhi(n=Var("k")), Floor(Div(Summation(var="k", start=Const(1), end=Const...
NT
null
EXTREMUM
sympy
K2
[ "K2/K2" ]
ddede2
diophantine_fbi2_min_v1
null
5
0
[ "K2" ]
1
0.006
2026-02-08T04:45:25.055308Z
{ "verified": true, "answer": 7, "timestamp": "2026-02-08T04:45:25.061350Z" }
0892bf
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 233, "completion_tokens": 1149 }, "timestamp": "2026-02-10T05:27:15.273Z", "answer": 7 }, { "id":...
1
[ { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "K5", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -7.01, "mid": -4.68, "hi": -2.15 }
784efd
modular_mod_compute_v1_458359167_3946
Let $N$ be the number of ordered pairs $(x,y)$ of integers with $1 \le x \le 13$ and $1 \le y \le 143$. Let $S$ be the set of all ordered pairs $(x,y)$ of positive integers such that $x+y=172$, and let $P$ be the set of all values of $xy$ as $(x,y)$ ranges over $S$. Let $M$ be the maximum element of $P$. Let $m$ be t...
877
graphs = [ Graph( let={ "_m": Const(2), "_n": CountOverSet(set=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(13)), right=IntegerRange(start=Const(1), end=Const(143)))), "a": Const(30625), "m": CountOverSet(set=SolutionsSet(var=Var("j"), conditio...
NT
COMB
COMPUTE
sympy
COUNT_CARTESIAN
[ "COUNT_CARTESIAN/MIN_PRIME_FACTOR", "B1/C3" ]
e3b155
modular_mod_compute_v1
bell_mod
6
0
[ "B1", "C3", "COUNT_CARTESIAN", "MIN_PRIME_FACTOR" ]
4
0.004
2026-02-08T11:26:51.435326Z
{ "verified": true, "answer": 877, "timestamp": "2026-02-08T11:26:51.439608Z" }
2f3186
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 333, "completion_tokens": 1292 }, "timestamp": "2026-02-14T14:23:01.352Z", "answer": 877 }, { ...
1
[ { "lemma": "B1", "status": "ok" }, { "lemma": "C3", "status": "ok_later" }, { "lemma": "COUNT_CARTESIAN", "status": "ok" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K18", "status": "no" }...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
1384a8
comb_count_surjections_v1_1918700295_2538
Let $ N $ be the number of ordered pairs $ (x_1, x_2) $ of positive odd integers such that $ x_1 + x_2 = 14 $. Let $ k = 6 $. Define $ R = k! \cdot S(N, k) $, where $ S(N, k) $ denotes the Stirling number of the second kind. Compute $ 28900 - R $.
13,780
graphs = [ Graph( let={ "_n": Const(14), "n": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x1"), Var("x2")]), condition=And(IsPositive(arg=Var(name='x1')), IsPositive(arg=Var(name='x2')), IsOdd(arg=Var(name='x1')), IsOdd(arg=Var(name='x2')), Eq(Sum(Var("x1"), Var("x2")), Re...
COMB
null
COUNT
sympy
COMB1
[ "COMB1" ]
567f58
comb_count_surjections_v1
null
5
0
[ "COMB1" ]
1
0.027
2026-02-08T07:56:56.965022Z
{ "verified": true, "answer": 13780, "timestamp": "2026-02-08T07:56:56.992509Z" }
065ff1
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 197, "completion_tokens": 910 }, "timestamp": "2026-02-24T08:39:28.314Z", "answer": 13780 }, { "i...
1
[ { "lemma": "COMB1", "status": "ok" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status...
{ "lo": -3.84, "mid": -1.67, "hi": 1.32 }
d78d42_n
alg_qf_psd_min_v1_1218484723_1187
A logistics company operates four warehouses, each capable of storing between 1 and 23 units of a special material. The total operational cost is modeled by the expression $4664d^2 + 3392cd + 13144c^2 + 19928a^2 - 8480ab - 1696bd + 10176ad + 5088bc + E b^2 + 5936ac$, where $a, b, c, d$ are the storage levels and $E = 9...
61,904
ALG
null
COMPUTE
sympy
C2
[ "C2" ]
9685eb
alg_qf_psd_min_v1
null
6
null
[ "C2" ]
1
1.202
2026-02-25T02:58:41.394040Z
null
dd908e
d78d42
narrative
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 241, "completion_tokens": 3370 }, "timestamp": "2026-03-30T16:27:31.767Z", "answer": 61904 }, { "...
1
[ { "lemma": "C2", "status": "ok" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -5.37, "mid": 0.23, "hi": 5.22 }
f961cb
diophantine_sum_product_min_v1_1978505735_1118
Let $S = 14$ and $P = 24$. Define $r$ to be the smallest positive integer $x$ such that $1 \leq x \leq 13$ and $x(S - x) = P$. Let $M$ be the largest prime number $n$ such that $2 \leq n \leq 98$. Compute the remainder when $$ 353702 \cdot (|r| \bmod M) + 329703 \cdot \left( r^2 + 1 \right) \bmod 101 + 215534 \cdot \le...
18,264
graphs = [ Graph( let={ "_n": Const(101), "S": Const(14), "P": Const(24), "result": MinOverSet(set=SolutionsSet(var=Var("x"), condition=And(Geq(Var("x"), Const(1)), Leq(Var("x"), Const(13)), Eq(Mul(Var("x"), Sub(Ref("S"), Var("x"))), Ref("P"))))), ...
NT
null
EXTREMUM
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW" ]
045f57
diophantine_sum_product_min_v1
crt_mix_3
5
0
[ "MAX_PRIME_BELOW" ]
1
0.015
2026-02-08T15:50:58.316203Z
{ "verified": true, "answer": 18264, "timestamp": "2026-02-08T15:50:58.331006Z" }
7f8c54
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 210, "completion_tokens": 763 }, "timestamp": "2026-02-16T14:45:23.934Z", "answer": 18264 }, {...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "V8", ...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
59d0c1
modular_modexp_compute_v1_1439011603_1691
Let $d$ be the smallest integer greater than or equal to $2$ that divides $1752967$. Compute $3^d \mod 26244$. Let $R$ denote this remainder. Define $Q = (37109 \times R) \mod 82347$. Find the value of $Q$.
80,904
graphs = [ Graph( let={ "_n": Const(37109), "a": Const(3), "e": MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(2)), Divides(divisor=Var("d"), dividend=Const(1752967))))), "m": Const(26244), "result": ModExp(base=Ref("a"...
NT
null
COMPUTE
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR" ]
bc3776
modular_modexp_compute_v1
null
4
0
[ "MIN_PRIME_FACTOR" ]
1
0.002
2026-02-08T16:13:29.906380Z
{ "verified": true, "answer": 80904, "timestamp": "2026-02-08T16:13:29.908300Z" }
8d1901
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": 4317 }, "timestamp": "2026-02-16T23:01:37.057Z", "answer": 80904 }, ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "V5", "status": "no" }, { "lemma": "V7", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
f58ff9
nt_count_phi_equals_v1_677425708_485
Let $p_1 = 47$. Define $t$ to be the number of prime factors of $p_1$ counted with multiplicity. Let $p = 31t$ and $q = 17$, and define $n = pq$. Let $e$ be the remainder when the number of positive divisors of $n$ is divided by 2. Let $\mathcal{S}$ be the set of all positive integers $n$ such that $1 \leq n \leq 1444$...
4
graphs = [ Graph( let={ "p1": Const(47), "t": BigOmega(n=Ref(name='p1')), "p": Mul(Const(31), Ref("t")), "q": Const(17), "n": Mul(Ref("p"), Ref("q")), "e": Mod(value=NumDivisors(n=Ref("n")), modulus=Const(2)), "upper": Const...
NT
null
COUNT
sympy
B1
[ "DIVISOR_PARITY", "BIG_OMEGA_ONE" ]
47ec5c
nt_count_phi_equals_v1
null
6
2
[ "B1", "BIG_OMEGA_ONE", "DIVISOR_PARITY" ]
3
2.303
2026-02-08T03:33:43.810293Z
{ "verified": true, "answer": 4, "timestamp": "2026-02-08T03:33:46.113250Z" }
c4c542
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 306, "completion_tokens": 5735 }, "timestamp": "2026-02-10T04:42:50.992Z", "answer": 4 }, { "id"...
1
[ { "lemma": "BIG_OMEGA_ONE", "status": "ok" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "DIVISOR_PARITY", "status": "ok" }, { "lemma": "K5", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "V7", "status": "no" }...
{ "lo": -6.49, "mid": 0.51, "hi": 7.52 }
83d36b
nt_count_divisible_v1_655260480_3502
Let $d = \sum_{k=1}^{3} k$. Let $T$ be the set of all positive integers $n$ such that $1 \leq n \leq 31337$ and $n$ is divisible by $d$. Let $r$ be the number of elements in $T$. Compute the remainder when $58809 \cdot r$ is divided by $81854$.
66,244
graphs = [ Graph( let={ "_n": Const(58809), "upper": Const(31337), "divisor": Summation(var="k", start=Const(1), end=Const(3), expr=Var("k")), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("upper...
NT
null
COUNT
sympy
SUM_ARITHMETIC
[ "SUM_ARITHMETIC" ]
eb34f0
nt_count_divisible_v1
null
2
0
[ "SUM_ARITHMETIC" ]
1
0.99
2026-02-08T17:24:45.216616Z
{ "verified": true, "answer": 66244, "timestamp": "2026-02-08T17:24:46.206125Z" }
1dc44c
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": 1397 }, "timestamp": "2026-02-18T01:37:31.969Z", "answer": 66244 }, ...
1
[ { "lemma": "K13", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "SUM_ARITHMETIC", "status": "ok" }, { "lemma": "V5", "status": "no...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
825336
comb_count_permutations_fixed_v1_1440796553_1459
Let $n$ be the maximum value of $xy$ over all pairs of positive integers $(x, y)$ such that $x + y = 6$. Let $S$ be the set of all ordered pairs $(k, j)$ with $k \in \{1,2,3\}$ and $j \in \{1,2,\dots,7\}$. Define $k = \frac{4}{28}$ times the sum of $k$ over all elements of $S$. Let $\binom{n}{k}$ denote the binomial co...
18,672
graphs = [ Graph( let={ "_n": Const(88028), "n": MaxOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Sum(Var("x"), Var("y")), Const(6)))), expr=Mul(Var("x"), Var("y")))), ...
COMB
null
COUNT
sympy
SUM_INDEPENDENT
[ "SUM_INDEPENDENT/SUM_ARITHMETIC", "B1" ]
bf2255
comb_count_permutations_fixed_v1
null
6
0
[ "B1", "SUM_ARITHMETIC", "SUM_INDEPENDENT" ]
3
0.006
2026-02-08T14:00:59.755771Z
{ "verified": true, "answer": 18672, "timestamp": "2026-02-08T14:00:59.762179Z" }
87d554
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 277, "completion_tokens": 2126 }, "timestamp": "2026-02-24T19:33:33.903Z", "answer": 18672 }, { "...
1
[ { "lemma": "B1", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "SUM_ARITHMETIC", "status": "ok_later" }, { "lemma": "...
{ "lo": -2.37, "mid": 1.22, "hi": 4.84 }
2ccbee
algebra_poly_eval_v1_677425708_2434
Let $b = \sum_{k=1}^{3} k$. Compute $$3b^4 + 10b^3 + 7b^2 + 9b - 5.$$
6,349
graphs = [ Graph( let={ "_n": Const(9), "b": Summation(var="k", start=Const(1), end=Const(3), expr=Var("k")), "result": Sum(Mul(Const(3), Pow(Ref("b"), Const(4))), Mul(Const(10), Pow(Ref("b"), Const(3))), Mul(Const(7), Pow(Ref("b"), Const(2))), Mul(Ref("_n"), Ref("b")), C...
NT
null
COMPUTE
sympy
SUM_ARITHMETIC
[ "SUM_ARITHMETIC" ]
eb34f0
algebra_poly_eval_v1
null
2
0
[ "SUM_ARITHMETIC" ]
1
0.002
2026-02-08T05:03:27.790075Z
{ "verified": true, "answer": 6349, "timestamp": "2026-02-08T05:03:27.791901Z" }
91be84
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 98, "completion_tokens": 319 }, "timestamp": "2026-02-11T22:12:15.531Z", "answer": 6359 }, { "id": 11, ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "SUM_ARITHMETIC", "status": "ok" } ]
{ "lo": -9.14, "mid": -6.05, "hi": -3.73 }
8076d2
nt_max_prime_below_v1_1116507919_57
Let $n = 11$ and $M = 43264$. Let $D$ be the set of all integers $d \geq 2$ that divide $20449$. Let $d_{\min}$ be the smallest element of $D$. Define $L$ to be the largest integer $k$ such that $11^k$ divides $n \cdot d_{\min}$. Consider the set of all prime numbers $n$ such that $L \leq n \leq M$. Let $P$ be the larg...
55,509
graphs = [ Graph( let={ "_n": Const(11), "upper": Const(43264), "result": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), MaxKDivides(target=Mul(Ref("_n"), MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(2)), Divides(divis...
NT
null
EXTREMUM
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR/K13" ]
1ae094
nt_max_prime_below_v1
null
6
0
[ "K13", "MIN_PRIME_FACTOR" ]
2
0.922
2026-02-08T02:24:07.373636Z
{ "verified": true, "answer": 55509, "timestamp": "2026-02-08T02:24:08.295239Z" }
fe4e7a
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 251, "completion_tokens": 4924 }, "timestamp": "2026-02-08T18:58:08.951Z", "answer": 59577 }, { ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "K13", "status": "ok_later" }, { "lemma": "K16", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MIN_...
{ "lo": 3.18, "mid": 5.53, "hi": 8.02 }
1c0d02
geo_count_lattice_rect_v1_1520064083_9703
Let $a = 70$ and $b = 27$. Define a lattice point as a point in the coordinate plane with integer coordinates. Consider the rectangle consisting of all points $(x, y)$ such that $0 \leq x \leq a$ and $0 \leq y \leq b$. Compute the number of lattice points contained in this rectangle.
1,988
graphs = [ Graph( let={ "a": Const(70), "b": Const(27), "result": LatticePointsRect(a=Ref(name='a'), b=Ref(name='b')), "Q": Abs(arg=Ref(name='result')), }, goal=Ref("Q"), ) ]
GEOM
null
COUNT
sympy
[]
geo_count_lattice_rect_v1
null
4
0
null
null
0.001
2026-02-08T10:58:49.115376Z
{ "verified": true, "answer": 1988, "timestamp": "2026-02-08T10:58:49.116427Z" }
2404f1
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 187, "completion_tokens": 256 }, "timestamp": "2026-02-24T12:34:04.715Z", "answer": 1988 }, { "id...
1
[]
{ "lo": -7.18, "mid": -5, "hi": -3.01 }
f1a62d
comb_factorial_compute_v1_1419126231_74
Let $n$ be the number of ordered pairs $(a, b)$ of positive integers with $1 \le a \le b \le N$, where $N = \left|\left\{ (a_2, b_2) : 1 \le a_2, b_2 \le 40,\ 8a_2 b_2^3 + 2b_2^4 + 8a_2^3 b_2 + 12a_2^2 b_2^2 + 2a_2^4 = 8954912 \right\}\right|$, and such that $2a^2 - 4ab + 2b^2 = 1458$. Let $S = n!$. Find the remainder ...
49,451
graphs = [ Graph( let={ "_c": Const(2), "_m": Const(61471), "_n": Const(2), "n": CountOverSet(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(...
COMB
null
COMPUTE
sympy
POLY4_COUNT
[ "POLY4_COUNT/POLY4_COUNT/QF_PSD_ORBIT", "POLY3_COUNT/QF_PSD_ORBIT" ]
de19b4
comb_factorial_compute_v1
null
6
0
[ "POLY3_COUNT", "POLY4_COUNT", "QF_PSD_ORBIT" ]
3
0.022
2026-02-25T09:37:46.915958Z
{ "verified": true, "answer": 49451, "timestamp": "2026-02-25T09:37:46.938010Z" }
037dab
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 285, "completion_tokens": 4036 }, "timestamp": "2026-03-30T06:50:06.579Z", "answer": 49451 }, { "...
1
[ { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "POLY3_COUNT", "status": "ok" }, { "lemma": "POLY4_COUNT", "status": "ok" }, { "lemma": "QF_P...
{ "lo": -5.37, "mid": 0.23, "hi": 5.22 }
ccdff3
sequence_fibonacci_compute_v1_784195855_5402
Let $n$ be the number of positive integers $j$ such that $1 \leq j \leq 22$ and $j^5 \leq 5153632$. Determine the value of the $n$-th Fibonacci number, where the Fibonacci sequence is defined by $F_1 = 1$, $F_2 = 1$, and $F_m = F_{m-1} + F_{m-2}$ for $m \geq 3$.
17,711
graphs = [ Graph( let={ "_n": Const(5), "n": CountOverSet(set=SolutionsSet(var=Var("j"), condition=And(Geq(Var("j"), Const(1)), Leq(Var("j"), Const(22)), Leq(Pow(Var("j"), Ref("_n")), Const(5153632))), domain='positive_integers')), "result": Fibonacci(arg=Ref(name='n')), ...
NT
null
COMPUTE
sympy
C3
[ "C3" ]
8a214c
sequence_fibonacci_compute_v1
null
4
0
[ "C3" ]
1
0.001
2026-02-08T07:53:05.325559Z
{ "verified": true, "answer": 17711, "timestamp": "2026-02-08T07:53:05.326207Z" }
f126ea
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": 1099 }, "timestamp": "2026-02-13T13:13:05.406Z", "answer": 17711 }, ...
1
[ { "lemma": "C3", "status": "ok" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" } ]
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
b7c3d8
algebra_quadratic_discriminant_v1_397696148_224
Let $a = 2$, $n = 2$, and $b = \sum_{k=1}^{3} k$. Let $c = -8$. Define $\text{result} = b^n - 4ac$. Compute the remainder when $36232 \cdot \text{result}$ is divided by $81843$.
22,108
graphs = [ Graph( let={ "_n": Const(2), "a": Const(2), "b": Summation(var="k", start=Const(1), end=Const(3), expr=Var("k")), "c": Const(-8), "result": Sub(Pow(Ref("b"), Ref("_n")), Mul(Const(4), Ref("a"), Ref("c"))), "Q": Mod(value=Mul(...
NT
null
COMPUTE
sympy
SUM_ARITHMETIC
[ "SUM_ARITHMETIC" ]
eb34f0
algebra_quadratic_discriminant_v1
null
2
0
[ "SUM_ARITHMETIC" ]
1
0.002
2026-02-08T11:23:12.070242Z
{ "verified": true, "answer": 22108, "timestamp": "2026-02-08T11:23:12.072122Z" }
e8eac8
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": 900 }, "timestamp": "2026-02-14T13:28:47.613Z", "answer": 22108 }, {...
1
[ { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "SUM_ARITHMETIC", "status": "ok" } ]
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
3a6c2c
algebra_poly_eval_v1_168721529_933
Let $z = 21$. Define $\text{result}$ to be the value of the expression $$ \frac{72z^5 - 350z^4 + 400z^3 - 34z^2 + 44z + 228}{c}, $$ where $c$ is the number of integers $t$ such that there exist positive integers $a$ and $b$ satisfying $1 \le a \le 424$, $1 \le b \le 240$, $17 \le t \le 3088$, and $t = 5a + 4b + 8$. Com...
75,058
graphs = [ Graph( let={ "_n": Const(2), "z": Const(21), "result": Div(Sum(Mul(Const(72), Pow(Ref("z"), Const(5))), Mul(Const(-350), Pow(Ref("z"), Const(4))), Mul(Const(400), Pow(Ref("z"), Const(3))), Mul(Const(-34), Pow(Ref("z"), Ref("_n"))), Mul(Const(44), Ref("z")), Con...
NT
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
algebra_poly_eval_v1
null
3
0
[ "LIN_FORM" ]
1
0.009
2026-02-08T13:21:05.390335Z
{ "verified": true, "answer": 75058, "timestamp": "2026-02-08T13:21:05.399064Z" }
f7ea99
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 252, "completion_tokens": 7163 }, "timestamp": "2026-02-11T07:44:42.206Z", "answer": null }, { ...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "V1...
{ "lo": 2.06, "mid": 5.24, "hi": 8.53 }
0d08f7
comb_factorial_compute_v1_1419126231_1083
Let $n$ be the minimum value of $3ab^2 + 3a^2b + b^3$ over all ordered pairs $(a, b)$ of positive integers with $1 \le a, b \le 14$. Compute $n!$.
5,040
graphs = [ Graph( let={ "_n": Const(14), "n": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), Const(14)), Geq(Var("b"), Const(1)), Leq(Var("b"), Ref("_n")))), expr=Sum(Mul(Const(3), Var("a"), Po...
COMB
null
COMPUTE
sympy
POLY3_MIN
[ "POLY3_MIN" ]
e2e279
comb_factorial_compute_v1
null
4
0
[ "POLY3_MIN" ]
1
0.002
2026-02-25T10:37:37.229380Z
{ "verified": true, "answer": 5040, "timestamp": "2026-02-25T10:37:37.231410Z" }
81afde
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 166, "completion_tokens": 1066 }, "timestamp": "2026-03-30T11:19:49.460Z", "answer": 5040 }, { "i...
2
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "POLY3_MIN", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -10, "mid": -5.89, "hi": -1.79 }
b9ea43
comb_factorial_compute_v1_458359167_3574
Let $n$ be the smallest divisor of $41503$ that is greater than or equal to $2$. Compute $49284 - n!$.
44,244
graphs = [ Graph( let={ "_n": Const(49284), "n": MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(2)), Divides(divisor=Var("d"), dividend=Const(41503))))), "result": Factorial(Ref("n")), "Q": Sub(Ref("_n"), Ref("result")), },...
NT
null
COMPUTE
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR" ]
bc3776
comb_factorial_compute_v1
null
3
0
[ "MIN_PRIME_FACTOR" ]
1
0.001
2026-02-08T08:26:22.278234Z
{ "verified": true, "answer": 44244, "timestamp": "2026-02-08T08:26:22.279245Z" }
6522a4
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 78, "completion_tokens": 637 }, "timestamp": "2026-02-13T18:44:37.286Z", "answer": 44244 }, { ...
1
[ { "lemma": "K18", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" } ]
{ "lo": -5.55, "mid": -3.01, "hi": 0.32 }
3615c3
antilemma_cartesian_v1_397696148_716
Let $N = 76679$. Compute the value of $$ x + 2^{x \bmod y} \bmod N, $$ where $x$ is the number of ordered pairs $(a, b)$ with $1 \leq a \leq 10$ and $1 \leq b \leq 16$, and $y$ is the number of ordered pairs $(u, v)$ of positive odd integers such that $u + v = 32$.
161
graphs = [ Graph( let={ "_n": Const(76679), "x": CountOverSet(set=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(10)), right=IntegerRange(start=Const(1), end=Const(16)))), "Q": Sum(Ref("x"), Mod(value=Pow(Const(2), Mod(value=Ref("x"), modulus=CountOverSet(se...
COMB
GEOM
COMPUTE
sympy
COMB1
[ "COMB1", "COUNT_CARTESIAN" ]
392991
antilemma_cartesian_v1
mod_exp
4
0
[ "COMB1", "COUNT_CARTESIAN" ]
2
0.001
2026-02-08T11:42:53.473096Z
{ "verified": true, "answer": 161, "timestamp": "2026-02-08T11:42:53.474285Z" }
40586c
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 210, "completion_tokens": 809 }, "timestamp": "2026-02-24T14:30:33.501Z", "answer": 161 }, { "id"...
2
[ { "lemma": "C2", "status": "no" }, { "lemma": "COMB1", "status": "ok" }, { "lemma": "COUNT_CARTESIAN", "status": "ok" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "V8", "status":...
{ "lo": -10, "mid": -7.79, "hi": -5.57 }
a50e22
nt_count_coprime_v1_458359167_1416
Let $S$ be the set of all ordered pairs $(x, y)$ of positive integers such that $x + y = 18$. Let $P$ be the set of all products $xy$ where $(x, y) \in S$. Let $M$ be the maximum value in $P$. Now, let $T$ be the set of all ordered pairs $(x, y)$ of positive integers such that $xy = M$. Let $k$ be the minimum value of ...
1,831
graphs = [ Graph( let={ "_n": Const(64424), "upper": Const(11449), "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")), MaxOverSet(...
NT
null
COUNT
sympy
B1
[ "B1/B3" ]
80b49d
nt_count_coprime_v1
null
6
0
[ "B1", "B3" ]
2
0.874
2026-02-08T04:36:16.202224Z
{ "verified": true, "answer": 1831, "timestamp": "2026-02-08T04:36:17.075730Z" }
f3592a
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 273, "completion_tokens": 1730 }, "timestamp": "2026-02-10T17:20:21.619Z", "answer": 1831 }, { "...
1
[ { "lemma": "B1", "status": "ok" }, { "lemma": "B3", "status": "ok_later" }, { "lemma": "K18", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "l...
{ "lo": -5.13, "mid": 0.83, "hi": 7.52 }
843d7c
sequence_lucas_compute_v1_784195855_10327
Let $P$ be the set of all prime numbers between 2 and 71, inclusive. Let $n$ be the largest prime number not exceeding the size of $P$. Compute the $n$-th Lucas number. Determine the value of this number.
9,349
graphs = [ Graph( let={ "_m": Const(2), "_n": Const(2), "n": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Ref("_n")), Leq(Var("n"), CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Ref("_m")), Leq(Var("n"), Const(71)), IsPri...
NT
null
COMPUTE
sympy
COUNT_PRIMES
[ "COUNT_PRIMES/MAX_PRIME_BELOW" ]
d51604
sequence_lucas_compute_v1
null
6
0
[ "COUNT_PRIMES", "MAX_PRIME_BELOW" ]
2
0.002
2026-02-08T17:34:25.458170Z
{ "verified": true, "answer": 9349, "timestamp": "2026-02-08T17:34:25.460508Z" }
d16b91
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 100, "completion_tokens": 725 }, "timestamp": "2026-02-18T07:37:55.640Z", "answer": 9349 }, { ...
1
[ { "lemma": "COUNT_PRIMES", "status": "ok" }, { "lemma": "K13", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok_later" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": ...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
db47a4
comb_catalan_compute_v1_1915831931_4166
Let $n$ be the number of ordered pairs $(i,j)$ such that $1 \leq i \leq 2$ and $1 \leq j \leq 5$. Let $\text{result} = C_n$, the $n$-th Catalan number. Compute the remainder when $69202 \cdot \text{result}$ is divided by $92097$.
52,652
graphs = [ Graph( let={ "_n": Const(92097), "n": CountOverSet(set=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(2)), right=IntegerRange(start=Const(1), end=Const(5)))), "result": Catalan(Ref("n")), "_c": Const(69202), "Q": Mod(value=...
COMB
null
COMPUTE
sympy
COUNT_CARTESIAN
[ "COUNT_CARTESIAN" ]
409d7d
comb_catalan_compute_v1
null
3
0
[ "COUNT_CARTESIAN" ]
1
0.003
2026-02-08T18:10:23.608239Z
{ "verified": true, "answer": 52652, "timestamp": "2026-02-08T18:10:23.611650Z" }
6803d2
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 123, "completion_tokens": 1834 }, "timestamp": "2026-02-18T14:31:29.984Z", "answer": 52652 }, ...
1
[ { "lemma": "COUNT_CARTESIAN", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status":...
{ "lo": -3.12, "mid": 1.47, "hi": 6.57 }
78bd64
alg_poly4_min_v1_601307018_7759
Let $M$ be the largest positive integer $d$ such that $d^2 \leq 1224336$ and $d \mid 1224336$. Find the minimum value $Q$ of $$17733b^4 + \min\{x + y : x > 0, y > 0, xy = 10969344, x \leq y\} \cdot a^2b^2 + 69a^4 + M a^3 b + 17664a b^3$$ over all positive integers $a, b$ with $1 \leq a, b \leq 142$.
43,194
graphs = [ Graph( let={ "_m": Const(4), "_n": MaxOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(1)), Divides(divisor=Var("d"), dividend=Const(1224336)), Leq(Mul(Var("d"), Var("d")), Const(1224336))))), "result": MinOverSet(set=MapOverSet(set=Solu...
NT
null
COMPUTE
sympy
B3_CLOSEST
[ "B3_CLOSEST/B3" ]
c21b41
alg_poly4_min_v1
null
6
0
[ "B3", "B3_CLOSEST" ]
2
0.101
2026-03-10T08:20:45.231709Z
{ "verified": true, "answer": 43194, "timestamp": "2026-03-10T08:20:45.333069Z" }
524def
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": 7404 }, "timestamp": "2026-04-19T07:28:05.415Z", "answer": 43194 }, { ...
1
[ { "lemma": "B3", "status": "ok_later" }, { "lemma": "B3_CLOSEST", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "COUNT_PRIMES", ...
{ "lo": -5.34, "mid": 1.1, "hi": 7.53 }
418b5c
nt_count_intersection_v1_1520064083_642
Let $S$ be the set of all ordered pairs $(x, y)$ of positive integers such that $xy = 25000000$. For each such pair, compute $x + y$. Let $N$ be the minimum value of $x + y$ over all such pairs. Let $a = 7$ and $b = 12$. Determine the number of positive integers $n$ such that $1 \leq n \leq N$, $7 \mid n$, and $\gcd(n,...
476
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(25000000)))), expr=Sum(Var("x"), Var("y")))), "a": Const(7),...
NT
null
COUNT
sympy
B3
[ "B3" ]
0cd20d
nt_count_intersection_v1
null
4
0
[ "B3" ]
1
3.675
2026-02-08T03:30:46.308189Z
{ "verified": true, "answer": 476, "timestamp": "2026-02-08T03:30:49.983657Z" }
577f8a
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 224, "completion_tokens": 5564 }, "timestamp": "2026-02-10T14:55:43.543Z", "answer": 476 }, { "id...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" } ]
{ "lo": -3.46, "mid": 1.03, "hi": 5.49 }
4cd72f
diophantine_product_count_v1_1915831931_1562
Let $k = 360$ and $N = 14884$. Consider the set of all ordered pairs $(x, y)$ of positive integers such that $xy = N$. Let $\text{upper}$ be the minimum value of $x + y$ over all such pairs. Define $\text{result}$ to be the number of positive integers $x_1$ such that $1 \leq x_1 \leq \text{upper}$, $x_1$ divides $k$, a...
22
graphs = [ Graph( let={ "_n": Const(14884), "k": Const(360), "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")), Ref("_n")))),...
NT
null
COUNT
sympy
B3
[ "B3" ]
0cd20d
diophantine_product_count_v1
null
5
0
[ "B3" ]
1
0.034
2026-02-08T16:15:41.827066Z
{ "verified": true, "answer": 22, "timestamp": "2026-02-08T16:15:41.861124Z" }
1d6be3
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 173, "completion_tokens": 1940 }, "timestamp": "2026-02-17T00:30:56.581Z", "answer": 22 }, { ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" } ...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
a3d96a
modular_mod_compute_v1_898971024_2517
Let $n = 95215$. Define $m$ to be the number of integers $j$ with $0 \le j \le 95215$ such that $\binom{n}{j}$ is odd. Let $a = -58564$ and define $\text{result} = a \bmod m$. Compute the remainder when $44121 \cdot \text{result}$ is divided by $96001$.
24,408
graphs = [ Graph( let={ "_n": Const(95215), "a": Const(-58564), "m": CountOverSet(set=SolutionsSet(var=Var("j"), condition=And(Geq(Var("j"), Const(0)), Leq(Var("j"), Const(95215)), Eq(Mod(value=Binom(n=Ref("_n"), k=Var("j")), modulus=Const(2)), Const(1))), domain='nonnega...
ALG
COMB
COMPUTE
sympy
V8
[ "V8" ]
86348e
modular_mod_compute_v1
null
6
0
[ "V8" ]
1
0.003
2026-02-08T16:47:50.595362Z
{ "verified": true, "answer": 24408, "timestamp": "2026-02-08T16:47:50.597920Z" }
398df2
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": 2292 }, "timestamp": "2026-02-17T13:00:17.911Z", "answer": 24408 }, ...
1
[ { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V8", "status": "ok" }, { "lemma": "VAL_SUM_EQ", ...
{ "lo": -2.38, "mid": 1.74, "hi": 6.59 }
b4e029
algebra_quadratic_discriminant_v1_1915831931_1101
Let $a = 3$, $b = 5$, and $c = 11$. Let $S$ be the set of all positive integers $p$ for which there exists a positive integer $q$ such that $pq = 6$, $\gcd(p, q) = 1$, and $p < q$. Compute $\left| 5^{|S|} - 4 \cdot 3 \cdot 11 \right|$.
107
graphs = [ Graph( let={ "a": Const(3), "b": Const(5), "c": Const(11), "result": Sub(Pow(Ref("b"), CountOverSet(set=SolutionsSet(var=Var("p"), condition=And(IsPositive(arg=Var(name='p')), Exists(var=Var(name='q'), condition=And(Eq(left=Mul(Var(name='p'), Var(na...
NT
null
COMPUTE
sympy
V8
[ "COPRIME_PAIRS" ]
2bb3aa
algebra_quadratic_discriminant_v1
null
3
0
[ "COPRIME_PAIRS", "V8" ]
2
0.042
2026-02-08T15:53:33.601306Z
{ "verified": true, "answer": 107, "timestamp": "2026-02-08T15:53:33.643423Z" }
7a258d
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 140, "completion_tokens": 614 }, "timestamp": "2026-02-16T16:24:28.146Z", "answer": 107 }, { ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "V5", "status": "no" }, { "lemma": "V8", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
811eb4
lin_form_endings_v1_153355830_1083
Let $a = 56$ and $b = 98$. Define $$ r = \left\lfloor \frac{56}{\gcd(a, b)} \right\rfloor. $$ Let $k = 14923$ and $M = 67771$. Compute the remainder when $k \cdot r$ is divided by $M$.
59,692
graphs = [ Graph( let={ "a_coeff": Const(56), "b_coeff": Const(98), "_inner_result": Floor(Div(Const(56), GCD(a=Ref("a_coeff"), b=Ref("b_coeff")))), "_scale_k": Const(14923), "_scaled": Mul(Ref("_scale_k"), Ref("_inner_result")), "_mod_...
COMB
NT
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
lin_form_endings_v1
null
2
null
[ "LIN_FORM" ]
1
0
2026-02-08T04:23:33.670345Z
{ "verified": true, "answer": 59692, "timestamp": "2026-02-08T04:23:33.670785Z" }
25c817
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 142, "completion_tokens": 284 }, "timestamp": "2026-02-15T17:05:19.192Z", "answer": 29846 }, { "id": 11...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status": "no" ...
{ "lo": -7.01, "mid": -4.68, "hi": -2.15 }
6176cd
nt_count_divisible_and_v1_784195855_115
Let $ d_1 = 10 $ and $ d_2 = 12 $. Let $ r $ be the number of positive integers $ n \leq 70260 $ such that \[ n \equiv \sum_{d \mid \gcd(2,6)} \mu(d) \pmod{10} \] and $ n \equiv 0 \pmod{12} $, where $ \mu $ denotes the M\"obius function. Let $ Q = \sum_{n=1}^{|r|} \tau(n) $, where $ \tau(n) $ is the number of positive...
8,460
graphs = [ Graph( let={ "upper": Const(70260), "d1": Const(10), "d2": Const(12), "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")), SumOverDivisor...
NT
null
COUNT
sympy
MOBIUS_COPRIME
[ "MOBIUS_COPRIME", "ONE_PHI_1" ]
8084fa
nt_count_divisible_and_v1
null
5
0
[ "MOBIUS_COPRIME", "ONE_PHI_1" ]
2
3.092
2026-02-08T02:58:20.450859Z
{ "verified": true, "answer": 8460, "timestamp": "2026-02-08T02:58:23.543150Z" }
fa0c52
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 260, "completion_tokens": 2092 }, "timestamp": "2026-02-08T22:49:10.997Z", "answer": 8460 }, { "...
1
[ { "lemma": "K18", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MOBIUS_COPRIME", "status": "ok" }, { "lemma": "ONE_PHI_1", "status": "ok" }, { "lemma": "V3", "status": "no" }, { "lemma": "V7", "status": "no" }, { "l...
{ "lo": -6.49, "mid": 0.51, "hi": 7.52 }
a8c8a2
antilemma_k3_v1_1742523217_4421
Let $n = 59646$. Compute the sum of $\phi(d)$ over all positive divisors $d$ of $n$.
59,646
graphs = [ Graph( let={ "_n": Const(59646), "x": SumOverDivisors(n=Ref(name='_n'), var='d', expr=EulerPhi(n=Var(name='d'))), }, goal=Ref("x"), ) ]
NT
COMB
COMPUTE
sympy
K3
[ "K3" ]
54c41e
antilemma_k3_v1
null
3
0
[ "K3" ]
1
0
2026-02-08T07:17:13.119713Z
{ "verified": true, "answer": 59646, "timestamp": "2026-02-08T07:17:13.120057Z" }
14fb13
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 74, "completion_tokens": 4371 }, "timestamp": "2026-02-13T09:19:33.929Z", "answer": 59646 }, {...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K3", "status": "ok" }, { "lemma": "L3b", "status": "no" }, { "lemma": "V3", "status": "no" }, { "lemma": "V5", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -5.55, "mid": -3.01, "hi": 0.32 }
e10fa7
algebra_quadratic_discriminant_v1_1520064083_3599
Let $a = -5$ and $b = -6$. Let $c$ be the minimum value of $x + y$ over all pairs of positive integers $(x,y)$ such that $xy$ equals the maximum value of $xy$ over all pairs of positive integers $(x,y)$ satisfying $x + y = 8$. Let $n$ be the number of positive integers $p$ for which there exists a positive integer $q$ ...
196
graphs = [ Graph( let={ "_c": Const(8), "_m": Const(2), "_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=150)), Eq(left=GCD(a...
NT
null
COMPUTE
sympy
B3
[ "COPRIME_PAIRS/B3", "B1/B3" ]
7e9ed9
algebra_quadratic_discriminant_v1
null
6
0
[ "B1", "B3", "COPRIME_PAIRS" ]
3
0.076
2026-02-08T05:46:47.394328Z
{ "verified": true, "answer": 196, "timestamp": "2026-02-08T05:46:47.469835Z" }
a58245
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 181, "completion_tokens": 1513 }, "timestamp": "2026-02-12T13:54:35.384Z", "answer": 196 }, { ...
1
[ { "lemma": "B1", "status": "ok" }, { "lemma": "B3", "status": "ok_later" }, { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" ...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
0799a3
comb_sum_binomial_row_v1_677425708_3420
Let $d=96$. Consider all ordered pairs $(x,y)$ of positive integers such that $x+y=d$. For each such pair, form the product $xy$, and let $C$ be the maximum of all such products. Consider all ordered pairs $(x,y)$ of positive integers such that $xy=C$. For each such pair, form the sum $x+y$, and let $S$ be the set of ...
61,964
graphs = [ Graph( let={ "_d": Const(96), "_c": MaxOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Sum(Var("x"), Var("y")), Ref("_d")))), expr=Mul(Var("x"), Var("y")))), ...
NT
null
SUM
sympy
B1
[ "B1/B3/COUNT_FIB_DIVISIBLE/MAX_PRIME_BELOW" ]
029090
comb_sum_binomial_row_v1
null
8
0
[ "B1", "B3", "COUNT_FIB_DIVISIBLE", "MAX_PRIME_BELOW" ]
4
0.007
2026-02-08T05:41:54.746154Z
{ "verified": true, "answer": 61964, "timestamp": "2026-02-08T05:41:54.753048Z" }
99eeb3
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 265, "completion_tokens": 3172 }, "timestamp": "2026-02-12T13:58:12.880Z", "answer": 61964 }, ...
1
[ { "lemma": "B1", "status": "ok" }, { "lemma": "B3", "status": "ok_later" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "ok_later" }, { "lemma": "K17", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, ...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
6fd2f2
comb_count_derangements_v1_1125832087_1354
Let $S$ be the set of all ordered pairs $(x, y)$ of positive integers such that $xy = 10000$. For each such pair, compute $x + y$, and let $m$ be the minimum value of $x + y$ over all pairs in $S$. Let $n$ be the number of nonnegative integers $j \leq 200$ such that $\binom{m}{j} \equiv 1 \pmod{2}$. Compute the number ...
14,833
graphs = [ Graph( let={ "_m": Const(10000), "_n": Const(2), "n": CountOverSet(set=SolutionsSet(var=Var("j"), condition=And(Geq(Var("j"), Const(0)), Leq(Var("j"), Const(200)), Eq(Mod(value=Binom(n=MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var...
COMB
null
COUNT
sympy
B3
[ "B3/V8" ]
4fad5b
comb_count_derangements_v1
null
7
0
[ "B3", "V8" ]
2
0.002
2026-02-08T03:41:33.478219Z
{ "verified": true, "answer": 14833, "timestamp": "2026-02-08T03:41:33.480355Z" }
4f8b76
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 241, "completion_tokens": 1741 }, "timestamp": "2026-02-10T15:25:15.450Z", "answer": 14833 }, { "...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "ok_later" },...
{ "lo": -2.46, "mid": 0.47, "hi": 3.59 }
1dfce3
nt_count_primes_v1_865884756_2858
Let $N$ be the number of positive integers $p$ for which there exists an integer $q$ such that $pq = 18$, $\gcd(p, q) = 1$, and $p < q$. Let $S$ be the set of all prime numbers $n$ such that $N \leq n \leq 11699$. Compute the number of elements in $S$.
1,404
graphs = [ Graph( let={ "upper": Const(11699), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), CountOverSet(set=SolutionsSet(var=Var("p"), condition=And(IsPositive(arg=Var(name='p')), Exists(var=Var(name='q'), condition=And(Eq(left=Mul(Var(name='p'),...
NT
null
COUNT
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS" ]
2bb3aa
nt_count_primes_v1
null
4
0
[ "COPRIME_PAIRS" ]
1
0.285
2026-02-08T16:58:58.902279Z
{ "verified": true, "answer": 1404, "timestamp": "2026-02-08T16:58:59.187036Z" }
c8c662
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 129, "completion_tokens": 2056 }, "timestamp": "2026-02-17T16:18:41.199Z", "answer": 1404 }, {...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "K13", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
4f5868
antilemma_sum_equals_v1_1978505735_5766
Let $S$ be the set of all ordered pairs $(i, j)$ of positive integers such that $1 \leq i \leq 81$, $1 \leq j \leq 81$, and $i + j = 83$. Let $x = |S|$. Compute the remainder when $1666x$ is divided by $66025$.
1,230
graphs = [ Graph( let={ "_n": Const(83), "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(81)), right=IntegerRange(start=Const(1), end=Con...
COMB
GEOM
COMPUTE
sympy
COUNT_SUM_EQUALS
[ "COUNT_SUM_EQUALS" ]
75ab0f
antilemma_sum_equals_v1
null
3
0
[ "COUNT_SUM_EQUALS" ]
1
0.004
2026-02-08T19:12:41.450970Z
{ "verified": true, "answer": 1230, "timestamp": "2026-02-08T19:12:41.455136Z" }
8b342a
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 121, "completion_tokens": 817 }, "timestamp": "2026-02-18T21:34:46.317Z", "answer": 1230 }, { ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "n...
{ "lo": -3.12, "mid": 1.47, "hi": 6.57 }
918a56
nt_max_prime_below_v1_1915831931_3653
Let $p$ be a positive integer such that there exists a positive integer $q$ satisfying $pq = 54$, $\gcd(p, q) = 1$, and $p < q$. Let $N$ be the number of such integers $p$. Determine the largest prime number $n$ such that $N \leq n \leq 57600$.
57,593
graphs = [ Graph( let={ "upper": Const(57600), "result": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), CountOverSet(set=SolutionsSet(var=Var("p"), condition=And(IsPositive(arg=Var(name='p')), Exists(var=Var(name='q'), condition=And(Eq(left=Mul(Var(name='p'), V...
NT
null
EXTREMUM
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS" ]
2bb3aa
nt_max_prime_below_v1
null
4
0
[ "COPRIME_PAIRS" ]
1
1.387
2026-02-08T17:47:59.178850Z
{ "verified": true, "answer": 57593, "timestamp": "2026-02-08T17:48:00.566083Z" }
9d2bf0
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 122, "completion_tokens": 3821 }, "timestamp": "2026-02-18T08:07:02.920Z", "answer": 57593 }, ...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "K18", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "V5", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
989fff
nt_sum_gcd_range_mod_v1_971394319_1724
Let $N = \sum_{d \mid 6400} \phi(d)$, where $\phi$ denotes Euler's totient function. Let $k = 288$ and define $$S = \sum_{n=1}^{N} \gcd(n, k).$$ Let $r$ be the remainder when $S$ is divided by $11177$. Compute $r + \phi(r + 1) + \tau(r + 1)$, where $\tau(m)$ denotes the number of positive divisors of $m$.
14,210
graphs = [ Graph( let={ "N": SumOverDivisors(n=Const(value=6400), var='d', expr=EulerPhi(n=Var(name='d'))), "k": Const(288), "M": Const(11177), "sum": Summation(var="n", start=Const(1), end=Ref("N"), expr=GCD(a=Var("n"), b=Ref("k"))), "result": Mod...
NT
null
COMPUTE
sympy
K3
[ "K3" ]
54c41e
nt_sum_gcd_range_mod_v1
null
5
0
[ "K3" ]
1
0.534
2026-02-08T13:52:33.860072Z
{ "verified": true, "answer": 14210, "timestamp": "2026-02-08T13:52:34.394356Z" }
928a8a
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 155, "completion_tokens": 2162 }, "timestamp": "2026-02-15T21:36:20.226Z", "answer": 14210 }, ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "K3", "status": "ok" }, { "lemma": "K5", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" } ]
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
df01b6
modular_mod_compute_v1_124444284_7737
Let $m = 8$ and let $n = \sum_{k=1}^{m} k$. Define $a = \sum_{k=1}^{n} k$. Find the remainder when $a$ is divided by $25600$.
666
graphs = [ Graph( let={ "_m": Const(8), "_n": Summation(var="k", start=Const(1), end=Ref("_m"), expr=Var("k")), "a": Summation(var="k", start=Const(1), end=Ref("_n"), expr=Var("k")), "m": Const(25600), "result": Mod(value=Ref("a"), modulus=Ref("m")...
NT
null
COMPUTE
sympy
SUM_ARITHMETIC
[ "SUM_ARITHMETIC/SUM_ARITHMETIC" ]
2a57af
modular_mod_compute_v1
null
2
0
[ "SUM_ARITHMETIC" ]
1
0.002
2026-02-08T09:20:24.809547Z
{ "verified": true, "answer": 666, "timestamp": "2026-02-08T09:20:24.811526Z" }
7158d5
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 109, "completion_tokens": 280 }, "timestamp": "2026-02-15T20:38:52.372Z", "answer": 666 }, { "id": 11, ...
2
[ { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "SUM_ARITHMETIC", "status": "ok" }, { "lemma": "V5", "status": "no" }, { "lemma": "V8", "status": "no" } ]
{ "lo": -10, "mid": -7.27, "hi": -4.54 }
ad0629
lte_diff_endings_v1_1520064083_2628
Let $a = 9$, $b = 7$, $p = 2$, $K = 4$, and $N = 484825$. Let $d = a - b$, and let $v_p(d)$ be the largest integer $k$ such that $p^k$ divides $d$. Define $m = K - v_p(d)$ and let $p^m$ be the $m$-th power of $p$. Compute the greatest integer less than or equal to $N / p^m$.
60,603
graphs = [ Graph( let={ "a_val": Const(9), "b_val": Const(7), "p_val": Const(2), "K_val": Const(4), "N_val": Const(484825), "diff": Sub(Ref("a_val"), Ref("b_val")), "vp_diff": MaxKDivides(target=Ref("diff"), base=Ref("p_val"...
NT
null
COMPUTE
sympy
LTE_DIFF
[ "LTE_DIFF" ]
cf8260
lte_diff_endings_v1
null
4
null
[ "LTE_DIFF" ]
1
0
2026-02-08T04:53:28.956915Z
{ "verified": true, "answer": 60603, "timestamp": "2026-02-08T04:53:28.957352Z" }
d138fa
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 211, "completion_tokens": 201 }, "timestamp": "2026-02-18T14:34:31.762Z", "answer": 60603 } ]
2
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LTE_DIFF", "status": "ok" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V3", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -10, "mid": -6.47, "hi": -2.95 }
b85279
modular_mod_compute_v1_809748730_15
Let $a = 42025$. Let $m$ be the maximum value of $xy$ over all ordered pairs $(x, y)$ of positive integers such that $x + y = 88$. Define $r$ to be the remainder when $a$ is divided by $m$. Compute the remainder when $44121 \cdot r$ is divided by $87595$.
48,694
graphs = [ Graph( let={ "_n": Const(44121), "a": Const(42025), "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"), Var("y")), Const(88)))), e...
NT
null
COMPUTE
sympy
B1
[ "B1" ]
5b950e
modular_mod_compute_v1
null
3
0
[ "B1" ]
1
0.001
2026-02-08T11:17:28.557015Z
{ "verified": true, "answer": 48694, "timestamp": "2026-02-08T11:17:28.558266Z" }
9071a4
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 125, "completion_tokens": 841 }, "timestamp": "2026-02-14T11:34:12.142Z", "answer": 48694 }, {...
1
[ { "lemma": "B1", "status": "ok" }, { "lemma": "K15", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
f9a136
geo_count_lattice_triangle_v1_865884756_6320
Let $A$ be twice the area of the triangle with vertices at $(324, 233)$, $(200, 111)$, and $(0, 0)$. Compute $A$ using the shoelace formula. Let $B$ be the sum of the greatest common divisors of the absolute differences in coordinates along each side of the triangle: $\gcd(|324 - 0|, |233 - 0|)$, $\gcd(|200 - 324|, |11...
5,317
graphs = [ Graph( let={ "area_2x": Abs(arg=Sum(Mul(Const(value=324), Const(value=111)), Mul(Const(value=200), Sub(left=Const(value=0), right=Const(value=233))))), "boundary": Sum(GCD(a=Abs(arg=Const(value=324)), b=Abs(arg=Const(value=233))), GCD(a=Abs(arg=Sub(left=Const(value=200), r...
ALG
NT
COUNT
sympy
[]
geo_count_lattice_triangle_v1
null
4
0
null
null
0.004
2026-02-08T19:08:49.428314Z
{ "verified": true, "answer": 5317, "timestamp": "2026-02-08T19:08:49.432621Z" }
faaa6d
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 187, "completion_tokens": 1065 }, "timestamp": "2026-02-18T21:24:20.001Z", "answer": 5317 }, {...
1
[]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
35bd41
comb_sum_binomial_row_v1_1218484723_7595
Let $N = 2^{10}$. Compute $$\left|\left\{ j \in \mathbb{Z} : j \ge \sum_{k=0}^{8} (-1)^k \binom{8}{k},\, j \le 98229,\, \binom{98229}{j} \text{ is odd} \right\}\right| - N€.
7,168
graphs = [ Graph( let={ "n": Const(10), "result": Pow(Const(2), Ref("n")), "Q": Sub(CountOverSet(set=SolutionsSet(var=Var("j"), condition=And(Geq(Var("j"), Summation(var="k", start=Const(0), end=Const(8), expr=Mul(Pow(Const(-1), Var("k")), Binom(n=Const(8), k=Var("k")))))...
COMB
null
SUM
sympy
STARS_BARS
[ "V8", "BINOMIAL_ALTERNATING" ]
88e903
comb_sum_binomial_row_v1
negation_mod
5
0
[ "BINOMIAL_ALTERNATING", "STARS_BARS", "V8" ]
3
0.039
2026-02-25T09:01:59.955450Z
{ "verified": true, "answer": 7168, "timestamp": "2026-02-25T09:01:59.994848Z" }
4b47b8
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 195, "completion_tokens": 32768 }, "timestamp": "2026-03-30T05:28:00.258Z", "answer": 7168 }, { "...
1
[ { "lemma": "BINOMIAL_ALTERNATING", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "V5", "status": "no" ...
{ "lo": -3.33, "mid": 1.03, "hi": 5.26 }
7687be
comb_binomial_compute_v1_1419126231_381
Let $k$ be the number of ordered pairs $(a, b)$ of positive integers with $1 \leq a, b \leq 20$ such that $$ 17a^4 + 68a^3b + 102a^2b^2 + 68ab^3 + 17b^4 = 40817. $$ Compute $\binom{14}{k}$.
3,003
graphs = [ Graph( let={ "_n": Const(20), "n": Const(14), "k": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), Ref("_n")), Geq(Var("b"), Const(1)), Leq(Var("b"), Const(20)), Eq(Sum(Mul(Const(17), ...
COMB
null
COMPUTE
sympy
POLY4_COUNT
[ "POLY4_COUNT" ]
861d91
comb_binomial_compute_v1
null
5
0
[ "POLY4_COUNT" ]
1
0.003
2026-02-25T09:54:54.138414Z
{ "verified": true, "answer": 3003, "timestamp": "2026-02-25T09:54:54.141561Z" }
05303a
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 197, "completion_tokens": 893 }, "timestamp": "2026-03-30T08:18:48.788Z", "answer": 3003 }, { "id...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "POLY4_COUNT", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -5.37, "mid": 0.23, "hi": 5.22 }
325e50
comb_sum_binomial_row_v1_798873815_262
Let $n_0 = 2$. Define $n$ to be the smallest divisor $d$ of $4199$ such that $d \geq n_0$. Let $r = 2^n$. Find the remainder when $29037 \cdot r$ is divided by $61517$.
46,382
graphs = [ Graph( let={ "_n": Const(2), "n": MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Ref("_n")), Divides(divisor=Var("d"), dividend=Const(4199))))), "result": Pow(Const(2), Ref("n")), "Q": Mod(value=Mul(Const(29037), Ref("result")...
NT
null
SUM
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR" ]
bc3776
comb_sum_binomial_row_v1
null
3
0
[ "MIN_PRIME_FACTOR" ]
1
0.001
2026-02-08T02:31:57.976627Z
{ "verified": true, "answer": 46382, "timestamp": "2026-02-08T02:31:57.977609Z" }
490809
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 179, "completion_tokens": 1692 }, "timestamp": "2026-02-08T19:17:46.279Z", "answer": 46382 }, { "...
1
[ { "lemma": "K13", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "V8", "status": "no" } ]
{ "lo": -0.92, "mid": 0.86, "hi": 2.4 }
70c869
nt_min_phi_inverse_v1_1978505735_8331
Let $T$ be the set of all integers $t$ such that $5 \leq t \leq 46$ and there exist positive integers $a \leq 14$ and $b \leq 6$ satisfying $t = 2a + 3b$. Let $\text{upper}$ be the number of elements in $T$. Let $k = 8$, and let $n_0$ be the smallest positive integer $n \leq \text{upper}$ such that $\phi(n) = k$, where...
68,629
graphs = [ Graph( let={ "upper": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=14)), Geq(left=Var(name='b'), right=Const(va...
NT
null
EXTREMUM
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
nt_min_phi_inverse_v1
null
5
0
[ "LIN_FORM" ]
1
0.009
2026-02-08T20:47:57.003321Z
{ "verified": true, "answer": 68629, "timestamp": "2026-02-08T20:47:57.011829Z" }
95f05b
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 175, "completion_tokens": 3303 }, "timestamp": "2026-02-19T01:07:13.231Z", "answer": 68629 }, ...
1
[ { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "V3", "statu...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
a86935
antilemma_k2_v1_124444284_8227
Define $$ x = \sum_{k=1}^{342} \phi(k) \left\lfloor \frac{342}{k} \right\rfloor, $$ where $\phi$ denotes Euler's totient function. Compute the remainder when $44121 \cdot x$ is divided by $53758$.
26,409
graphs = [ Graph( let={ "x": Summation(var="k", start=Const(1), end=Const(342), expr=Mul(EulerPhi(n=Var("k")), Floor(Div(Const(342), Var("k"))))), "Q": Mod(value=Mul(Const(44121), Ref("x")), modulus=Const(53758)), }, goal=Ref("Q"), ) ]
NT
COMB
COMPUTE
sympy
K2
[ "K2" ]
6897ab
antilemma_k2_v1
null
5
0
[ "K2" ]
1
0.001
2026-02-08T09:36:32.017234Z
{ "verified": true, "answer": 26409, "timestamp": "2026-02-08T09:36:32.017756Z" }
a74e27
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 110, "completion_tokens": 1316 }, "timestamp": "2026-02-14T05:11:32.779Z", "answer": 26409 }, ...
1
[ { "lemma": "DS2", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
a90ebe
geo_count_lattice_triangle_v1_1218484723_1031
Let $A = \left|\{ t : \exists\, a,b \in \mathbb{Z},\ 1 \leq a \leq 11,\ 1 \leq b \leq 51,\ t = 2a + 3b + 14,\ 19 \leq t \leq 189 \}\right|$, $B = \left|\{ t_1 : \exists\, a,b \in \mathbb{Z},\ 1 \leq a \leq 571,\ 1 \leq b \leq 70,\ t_1 = 3a + 5b + 11,\ 19 \leq t_1 \leq 2074 \}\right|$, and $C = \left|\{ v : 32 \leq v \l...
33,844
graphs = [ Graph( let={ "_c": Const(289), "_m": Const(169), "_n": Const(65866), "area_2x": Abs(arg=Sum(Mul(Const(value=128), CountOverSet(set=SolutionsSet(var=Var(name='t'), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(...
GEOM
NT
COUNT
sympy
LIN_FORM
[ "LIN_FORM/QF_PSD_DISTINCT" ]
e187db
geo_count_lattice_triangle_v1
null
7
0
[ "LIN_FORM", "QF_PSD_DISTINCT" ]
2
0.042
2026-02-25T02:45:07.248981Z
{ "verified": true, "answer": 33844, "timestamp": "2026-02-25T02:45:07.291284Z" }
edb614
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 416, "completion_tokens": 32768 }, "timestamp": "2026-03-29T00:02:42.844Z", "answer": null }, { ...
1
[ { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "QF_PSD_DISTINCT", "status": "ok_later" } ]
{ "lo": 4.77, "mid": 6.8, "hi": 9.83 }
a3ecc0
sequence_lucas_compute_v1_548369836_133
Let $m = 11901$ and $n = 67805$. Define $L$ to be the 20th Lucas number. Let $S$ be the set of all positive integers $k$ such that $1 \leq k \leq m$ and $\gcd\left(k, 1 + 2 + 3 + 4\right) = 1$. Let $C$ be the number of elements in $S$. Compute the remainder when $C - L$ is divided by $n$.
57,439
graphs = [ Graph( let={ "_m": Const(11901), "_n": Const(67805), "n": Const(20), "result": Lucas(arg=Ref(name='n')), "Q": Mod(value=Sub(CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("_m")), Eq(G...
NT
null
COMPUTE
sympy
SUM_ARITHMETIC
[ "SUM_ARITHMETIC/C4" ]
db3d2e
sequence_lucas_compute_v1
negation_mod
4
0
[ "C4", "SUM_ARITHMETIC" ]
2
0.002
2026-02-08T02:46:52.528023Z
{ "verified": true, "answer": 57439, "timestamp": "2026-02-08T02:46:52.529900Z" }
b2bc8b
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 224, "completion_tokens": 1246 }, "timestamp": "2026-02-08T19:54:07.567Z", "answer": 57439 }, { "...
1
[ { "lemma": "C4", "status": "ok_later" }, { "lemma": "K14", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "SUM_ARITHMETIC", "status": "ok" }, { "lemma": "V7", "status": "no" }...
{ "lo": -3.84, "mid": -1.86, "hi": 0.18 }
c09739
alg_poly3_sum_v1_1218484723_2416
Compute the remainder when $\sum_{\substack{a=1}}^{91} \sum_{b=1}^{91} \left( -7b^3 - 18ab^2 - 12a^2b \right)$ is divided by $56020$, where the upper limit for $a$ is $\sum_{k=1}^{13} k$.
36,828
graphs = [ Graph( let={ "_n": Const(3), "result": Mod(value=SumOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), Summation(var="k", start=Const(1), end=Const(13), expr=Var("k"))), Geq(Var("b"), Const...
ALG
null
COMPUTE
sympy
SUM_ARITHMETIC
[ "SUM_ARITHMETIC" ]
eb34f0
alg_poly3_sum_v1
null
3
0
[ "SUM_ARITHMETIC" ]
1
0.022
2026-02-25T04:12:51.620142Z
{ "verified": true, "answer": 36828, "timestamp": "2026-02-25T04:12:51.641999Z" }
71dcbe
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 187, "completion_tokens": 4903 }, "timestamp": "2026-03-29T04:37:05.307Z", "answer": 36828 }, { "...
1
[ { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "SUM_ARITHMETIC", "status": "ok" } ]
{ "lo": -2.45, "mid": 1.37, "hi": 5.29 }
cfc98a
comb_count_derangements_v1_601307018_7486
Let $n = \sum_{k=0}^{2} 2^{k}$ and let $D_n$ denote the number of derangements of $n$ elements. Compute $88804 - D_n$.
86,950
graphs = [ Graph( let={ "_n": Const(2), "n": Summation(var="k", start=Const(0), end=Const(2), expr=Pow(Ref("_n"), Var("k"))), "result": Subfactorial(arg=Ref(name='n')), "Q": Sub(Const(88804), Ref("result")), }, goal=Ref("Q"), ) ]
COMB
null
COUNT
sympy
SUM_GEOM
[ "SUM_GEOM" ]
04214c
comb_count_derangements_v1
null
3
0
[ "SUM_GEOM" ]
1
0.005
2026-03-10T08:01:38.509062Z
{ "verified": true, "answer": 86950, "timestamp": "2026-03-10T08:01:38.514416Z" }
51f33c
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 154, "completion_tokens": 730 }, "timestamp": "2026-04-19T06:51:13.335Z", "answer": 86950 }, { "...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "SUM_GEOM", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -5.34, "mid": 1.1, "hi": 7.53 }
ab0606
nt_sum_divisors_compute_v1_1248542787_380
Compute the sum of all positive divisors of $ 40804 $.
72,121
graphs = [ Graph( let={ "n": Const(40804), "result": SumDivisors(n=Ref("n")), }, goal=Ref("result"), ) ]
NT
null
COMPUTE
sympy
MOBIUS_SUM
[ "MOBIUS_SUM", "WILSON" ]
d9a889
nt_sum_divisors_compute_v1
null
3
0
[ "MOBIUS_SUM", "WILSON" ]
2
0.003
2026-02-08T03:05:06.098844Z
{ "verified": true, "answer": 72121, "timestamp": "2026-02-08T03:05:06.101724Z" }
318720
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 128, "completion_tokens": 609 }, "timestamp": "2026-02-09T03:27:58.381Z", "answer": 72121 }, { "i...
1
[ { "lemma": "DS2", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MOBIUS_SUM", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V8", "status": "no" },...
{ "lo": -7.01, "mid": -4.68, "hi": -2.15 }
a7e1ba
comb_count_permutations_fixed_v1_1915831931_2398
Let $k$ be the number of positive integers $p$ for which there exists a positive integer $q$ such that $pq = 2700$, $\gcd(p, q) = 1$, and $p < q$. Compute $\binom{7}{k} \cdot !(7 - k)$, where $!m$ denotes the number of derangements of $m$ elements.
70
graphs = [ Graph( let={ "n": Const(7), "k": CountOverSet(set=SolutionsSet(var=Var("p"), condition=And(IsPositive(arg=Var(name='p')), Exists(var=Var(name='q'), condition=And(Eq(left=Mul(Var(name='p'), Var(name='q')), right=Const(value=2700)), Eq(left=GCD(a=Var(name='p'), b=Var(name='q...
NT
COMB
COUNT
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS" ]
2bb3aa
comb_count_permutations_fixed_v1
null
5
0
[ "COPRIME_PAIRS" ]
1
0.003
2026-02-08T16:46:06.273404Z
{ "verified": true, "answer": 70, "timestamp": "2026-02-08T16:46:06.276758Z" }
3c4d96
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": 1300 }, "timestamp": "2026-02-17T12:17:42.556Z", "answer": 70 }, { ...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "K15", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "V1", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
63f83f
nt_count_coprime_and_v1_784195855_4057
Let $n = 32769$. Define $k_1$ to be the number of nonnegative integers $j \leq 32769$ such that $\binom{32769}{j}$ is odd. Let $k_2 = 9$. Let $A$ be the set of all positive integers $n \leq 24696$ such that $\gcd(n, k_1) = 1$ and $\gcd(n, k_2) = 1$. Let $r$ be the number of elements in $A$. Determine the value of the s...
2,136
graphs = [ Graph( let={ "_n": Const(32769), "upper": Const(24696), "k1": CountOverSet(set=SolutionsSet(var=Var("j"), condition=And(Geq(Var("j"), Const(0)), Leq(Var("j"), Const(32769)), Eq(Mod(value=Binom(n=Ref("_n"), k=Var("j")), modulus=Const(2)), Const(1))), domain='non...
NT
null
COUNT
sympy
V8
[ "V8" ]
86348e
nt_count_coprime_and_v1
null
6
0
[ "V8" ]
1
2.777
2026-02-08T06:47:47.462440Z
{ "verified": true, "answer": 2136, "timestamp": "2026-02-08T06:47:50.239479Z" }
3272f2
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 187, "completion_tokens": 3210 }, "timestamp": "2026-02-13T04:56:38.000Z", "answer": 2136 }, {...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "V8", "st...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
092795
comb_factorial_compute_v1_1218484723_587
Let $n$ be the minimum value of $-15a^2b -33ab^2 + 37a^3 + C \cdot b^3$ over all positive integers $a, b$ with $1 \le a, b \le 17$, where $C = \left|\{ (a_1, b_1) : 1 \le a_1, b_1 \le 25,\ 17a_1^4 + 68a_1b_1^3 + 68a_1^3b_1 + 102a_1^2b_1^2 + 17b_1^4 = 2720000 \}\right|$. Compute $n!$.
40,320
graphs = [ Graph( let={ "_m": Const(17), "_n": Const(37), "n": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), Ref("_m")), Geq(Var("b"), Const(1)), Leq(Var("b"), Const(17)))), expr=S...
COMB
null
COMPUTE
sympy
POLY4_COUNT
[ "POLY4_COUNT/POLY3_MIN" ]
02513d
comb_factorial_compute_v1
null
6
0
[ "POLY3_MIN", "POLY4_COUNT" ]
2
0.006
2026-02-25T02:15:44.446324Z
{ "verified": true, "answer": 40320, "timestamp": "2026-02-25T02:15:44.452120Z" }
5ce569
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 267, "completion_tokens": 32768 }, "timestamp": "2026-03-28T23:21:29.993Z", "answer": null }, { ...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "POLY3_MIN", "status": "ok_later" }, { "lemma": "POLY4_COUNT", "status": "ok" }, { "lemma...
{ "lo": 1.22, "mid": 3.76, "hi": 5.73 }
8c11bb
geo_count_lattice_triangle_v1_865884756_4292
Let $A$ be the polygon with vertices at $(0, 0)$, $(128, 55)$, $(210, 222)$, and $(0, 222)$. The area of $A$ is equal to $\frac{1}{2}(a + 2 - b)$, where $a$ is twice the area of $A$ computed via a suitable formula, and $b$ is the number of lattice points on the boundary of $A$. Compute the value of $\frac{a + 2 - b}{2}...
8,430
graphs = [ Graph( let={ "_n": Const(210), "area_2x": Abs(arg=Sum(Mul(Const(value=128), Const(value=222)), Mul(Const(value=210), Sub(left=Const(value=0), right=Const(value=55))))), "boundary": Sum(GCD(a=Abs(arg=Const(value=128)), b=Abs(arg=Const(value=55))), GCD(a=Abs(arg=...
ALG
NT
COUNT
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
geo_count_lattice_triangle_v1
null
6
0
[ "LIN_FORM" ]
1
0.007
2026-02-08T17:51:58.682998Z
{ "verified": true, "answer": 8430, "timestamp": "2026-02-08T17:51:58.690331Z" }
3613b2
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 288, "completion_tokens": 5901 }, "timestamp": "2026-02-18T09:10:04.297Z", "answer": 8430 }, {...
1
[ { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
ab0e29
modular_min_linear_v1_1915831931_1835
Let $a$ be the minimum value of $x + y$ over all pairs of positive integers $(x, y)$ such that $xy = 18870336$. Let $b$ be the minimum value of $x_1 + y_1$ over all pairs of positive integers $(x_1, y_1)$ such that $x_1 y_1 = 125316$. Let $m = 19117$. Determine the value of the smallest positive integer $x_2$ such that...
4,040
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(18870336)))), expr=Sum(Var("x"), Var("y")))), "b": MinOverSe...
NT
null
EXTREMUM
sympy
B3
[ "B3" ]
0cd20d
modular_min_linear_v1
null
5
0
[ "B3" ]
1
4.175
2026-02-08T16:29:00.209282Z
{ "verified": true, "answer": 4040, "timestamp": "2026-02-08T16:29:04.384272Z" }
dd4863
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": 2540 }, "timestamp": "2026-02-17T04:45:32.770Z", "answer": 4040 }, {...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "K14", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "V5", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
ff020d
comb_binomial_compute_v1_1874849503_275
Let $n = 15$. Define $k$ as $$ \sum_{k=1}^{3} \phi(k) \left\lfloor \frac{3}{k} \right\rfloor, $$ where $\phi(k)$ denotes Euler's totient function. Compute $\binom{n}{k}$.
5,005
graphs = [ Graph( let={ "n": Const(15), "k": Summation(var="k", start=Const(1), end=Const(3), expr=Mul(EulerPhi(n=Var("k")), Floor(Div(Const(3), Var("k"))))), "result": Binom(n=Ref("n"), k=Ref("k")), }, goal=Ref("result"), ) ]
NT
null
COMPUTE
sympy
K2
[ "K2" ]
6897ab
comb_binomial_compute_v1
null
4
0
[ "K2" ]
1
0.001
2026-02-08T12:55:12.263779Z
{ "verified": true, "answer": 5005, "timestamp": "2026-02-08T12:55:12.265272Z" }
154152
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 184, "completion_tokens": 654 }, "timestamp": "2026-02-09T15:15:55.911Z", "answer": 5005 }, { "id...
2
[ { "lemma": "K14", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": -10, "mid": -7.71, "hi": -5.43 }
e12d8c
diophantine_fbi2_min_v1_1918700295_3956
Let $k = 22$. Let $S$ be the set of positive integers $d$ such that $d$ divides $k$, $\frac{k}{d} \geq 2$, and $d$ is at least the number of positive integers at most $88$ that are divisible by $22$. Determine the minimum value of $d$ in $S$ that is at most $32$. Let this value be $d_{\text{min}}$. Compute the remainde...
7,565
graphs = [ Graph( let={ "k": Const(22), "upper": Const(32), "result": MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), CountOverSet(set=SolutionsSet(var=Var("k"), condition=And(Geq(Var("k"), Const(1)), Leq(Var("k"), Const(88)), Divides(divisor=Const(2...
NT
null
EXTREMUM
sympy
C2
[ "C2" ]
9685eb
diophantine_fbi2_min_v1
null
4
0
[ "C2" ]
1
0.012
2026-02-08T09:03:47.480144Z
{ "verified": true, "answer": 7565, "timestamp": "2026-02-08T09:03:47.492070Z" }
d5ebbe
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 164, "completion_tokens": 547 }, "timestamp": "2026-02-14T00:04:22.849Z", "answer": 7565 }, { ...
1
[ { "lemma": "C2", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" } ]
{ "lo": -5.55, "mid": -3.01, "hi": 0.32 }
c37b0e
nt_gcd_compute_v1_677425708_2703
Let $a = 546227$ and $b = 943483$. Let $r = \gcd(a, b)$. Let $n$ be the largest prime number less than or equal to $14$. Let $Q$ be the remainder when $n - r$ is divided by $50322$. Find the value of $Q$.
678
graphs = [ Graph( let={ "_n": Const(50322), "a": Const(546227), "b": Const(943483), "result": GCD(a=Ref("a"), b=Ref("b")), "Q": Mod(value=Sub(MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Const(14)),...
NT
null
COMPUTE
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW" ]
2ed1de
nt_gcd_compute_v1
negation_mod
3
0
[ "MAX_PRIME_BELOW" ]
1
0.002
2026-02-08T05:13:04.176400Z
{ "verified": true, "answer": 678, "timestamp": "2026-02-08T05:13:04.178054Z" }
cc50ce
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 182, "completion_tokens": 777 }, "timestamp": "2026-02-11T23:04:44.542Z", "answer": 678 }, { "id...
1
[ { "lemma": "K13", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "MOD_FACTORIAL", "status": "no" } ]
{ "lo": -5.55, "mid": -3.01, "hi": 0.33 }
d7bb8c
modular_mod_compute_v1_865884756_6610
Let $a = -7921$. Consider the set of all ordered pairs $(x, y)$ of positive integers such that $xy = 262144$. Let $s$ be the minimum value of $x + y$ over all such pairs. Compute the remainder when $a$ is divided by $s$.
271
graphs = [ Graph( let={ "a": Const(-7921), "m": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Mul(Var("x"), Var("y")), Const(262144)))), expr=Sum(Var("x"), Var("y")))...
NT
null
COMPUTE
sympy
B3
[ "B3" ]
0cd20d
modular_mod_compute_v1
null
4
0
[ "B3" ]
1
0.003
2026-02-08T19:19:43.763436Z
{ "verified": true, "answer": 271, "timestamp": "2026-02-08T19:19:43.766078Z" }
1077f9
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 111, "completion_tokens": 976 }, "timestamp": "2026-02-18T21:51:18.969Z", "answer": 271 }, { ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "K17", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "V8", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
0dfda3
algebra_quadratic_discriminant_v1_717093673_1517
Let $a = 3$, $b = 1$, and $c = 3$. Compute the discriminant $D = b^2 - 4ac$. Define $$ \alpha = \begin{cases} 2 & \text{if } D > 0, \\ 0 & \text{otherwise}, \end{cases} \qquad \beta = \begin{cases} 1 & \text{if } D = 0, \\ 0 & \text{otherwise}. \end{cases} $$ Compute $\alpha + \beta$.
0
graphs = [ Graph( let={ "a": Const(3), "b": Const(1), "c": Const(3), "D": Sub(Pow(Ref("b"), Const(2)), Mul(Const(4), Ref("a"), Ref("c"))), "result": Sum(Mul(Const(2), Iverson(condition=Gt(Ref("D"), Const(0)))), Iverson(condition=Eq(Ref("D"), Const(...
NT
null
COMPUTE
sympy
COPRIME_PAIRS
[ "LTE_DIFF_P2", "B3" ]
853b4c
algebra_quadratic_discriminant_v1
null
2
0
[ "B3", "COPRIME_PAIRS", "LTE_DIFF_P2" ]
3
0.052
2026-02-08T16:08:05.188866Z
{ "verified": true, "answer": 0, "timestamp": "2026-02-08T16:08:05.240699Z" }
63523a
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 183, "completion_tokens": 183 }, "timestamp": "2026-02-16T06:58:38.526Z", "answer": 0 }, { "id": 11, "...
2
[ { "lemma": "B3", "status": "ok" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "ok" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "V...
{ "lo": -10, "mid": -7.27, "hi": -4.54 }
687605
comb_bell_compute_v1_1353956133_59
Let $n$ be the number of nonnegative integers $j$ such that $0 \le j \le 4610$ and $\binom{4610}{j}$ is odd. Let $B_n$ denote the $n$th Bell number, which counts the number of partitions of a set of $n$ elements. Compute the remainder when $44121 \cdot B_n$ is divided by $70876$.
13,488
graphs = [ Graph( let={ "_n": Const(44121), "n": CountOverSet(set=SolutionsSet(var=Var("j"), condition=And(Geq(Var("j"), Const(0)), Leq(Var("j"), Const(4610)), Eq(Mod(value=Binom(n=Const(4610), k=Var("j")), modulus=Const(2)), Const(1))), domain='nonnegative_integers')), "...
COMB
null
COMPUTE
sympy
V8
[ "V8" ]
86348e
comb_bell_compute_v1
null
6
0
[ "V8" ]
1
0.001
2026-02-08T11:17:10.929474Z
{ "verified": true, "answer": 13488, "timestamp": "2026-02-08T11:17:10.930362Z" }
a58f27
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 199, "completion_tokens": 1512 }, "timestamp": "2026-02-24T13:15:12.422Z", "answer": 13488 }, { "...
1
[ { "lemma": "K16", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "V3", "status": "no" }, { "lemma": "V8", "status": "ok" } ]
{ "lo": -2.35, "mid": 1.22, "hi": 4.84 }
caf8ef
modular_count_residue_v1_1520064083_3039
Let $A$ be the number of positive integers $n$ such that $1 \leq n \leq 61504$ and $n \equiv 2 \pmod{3}$. Let $B$ be the number of unordered pairs of positive integers $(p, q)$ such that $pq = 6$, $\gcd(p, q) = 1$, and $p < q$. Let $C$ be the minimum value of $x + y$ where $x$ and $y$ are positive integers such that $x...
20,533
graphs = [ Graph( let={ "upper": Const(61504), "m": Const(3), "r": Const(2), "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("m")), Ref("r"))))), ...
NT
null
COUNT
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS", "B3" ]
9428c6
modular_count_residue_v1
mod_exp
5
0
[ "B3", "COPRIME_PAIRS" ]
2
2.033
2026-02-08T05:25:43.542139Z
{ "verified": true, "answer": 20533, "timestamp": "2026-02-08T05:25:45.574798Z" }
23e8f3
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": 811 }, "timestamp": "2026-02-12T08:40:45.132Z", "answer": 20533 }, {...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "K15", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, ...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
f8bc63
alg_poly_preperiod_count_v1_1218484723_2926
For each integer $a$ with $0 \le a \le 29086$, define the sequence: $$ \begin{align*} N &= (2a^4 - 5a^3 + a^2 + 2a - 5) \bmod 17, \\ M &= (2N^4 - 5N^3 + N^2 + 2N - 5) \bmod 17, \\ R &= (2M^4 - 5M^3 + M^2 + 2M - 5) \bmod 17, \\ S &= (2R^4 - 5R^3 + R^2 + 2R - 5) \bmod 17, \\ T &= (2S^4 - 5S^3 + S^2 + 2S - 5) \bmod 17. \e...
11,977
graphs = [ Graph( let={ "p1": Mod(value=Sum(Mul(Const(2), Pow(Var("a"), Const(4))), Mul(Const(-5), Pow(Var("a"), Const(3))), Pow(Var("a"), Const(2)), Mul(Const(2), Var("a")), Const(-5)), modulus=Const(17)), "p2": Mod(value=Sum(Mul(Const(2), Pow(Ref("p1"), Const(4))), Mul(Const(-5), P...
ALG
null
COUNT
sympy
POLY_ORBIT_COUNT
[ "POLY_ORBIT_COUNT" ]
4ad965
alg_poly_preperiod_count_v1
null
6
null
[ "POLY_ORBIT_COUNT" ]
1
0.155
2026-02-25T04:40:51.457218Z
{ "verified": true, "answer": 11977, "timestamp": "2026-02-25T04:40:51.612462Z" }
042d42
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 346, "completion_tokens": 9351 }, "timestamp": "2026-03-29T07:21:03.624Z", "answer": 11977 }, { "...
1
[ { "lemma": "POLY_ORBIT_COUNT", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": 1.55, "mid": 4.7, "hi": 7.23 }
3563ef
modular_mod_compute_v1_1456120455_27
Let $a$ be the maximum value of $xy$ where $x$ and $y$ are positive integers such that $x + y = 102$. Compute the remainder when $a$ is divided by $11664$.
2,601
graphs = [ Graph( let={ "a": MaxOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Sum(Var("x"), Var("y")), Const(102)))), expr=Mul(Var("x"), Var("y")))), "m": Const(11664), ...
NT
null
COMPUTE
sympy
B1
[ "B1" ]
5b950e
modular_mod_compute_v1
null
4
0
[ "B1" ]
1
0.001
2026-02-08T02:50:55.127830Z
{ "verified": true, "answer": 2601, "timestamp": "2026-02-08T02:50:55.129034Z" }
29440f
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 161, "completion_tokens": 350 }, "timestamp": "2026-02-08T19:52:43.238Z", "answer": 2601 }, { "id...
2
[ { "lemma": "B1", "status": "ok" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -9.16, "mid": -6.07, "hi": -3.82 }
95a6c1
diophantine_product_count_v1_898971024_2773
Let $k = 360$. Let $S$ be the set of all ordered pairs $(x, y)$ of positive integers such that $xy = 6400$. Let $u$ be the minimum value of $x + y$ as $(x, y)$ ranges over $S$. Let $r$ be the number of positive integers $x_1$ such that $1 \le x_1 \le u$, $x_1$ divides $360$, and $\frac{360}{x_1} \le u$. Compute $r$.
20
graphs = [ Graph( let={ "k": Const(360), "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(6400)))), expr=Sum(Var("x"), Var("y")))...
NT
null
COUNT
sympy
COUNT_COPRIME_GRID
[ "B3" ]
0cd20d
diophantine_product_count_v1
null
5
0
[ "B3", "COUNT_COPRIME_GRID" ]
2
0.286
2026-02-08T16:58:05.194670Z
{ "verified": true, "answer": 20, "timestamp": "2026-02-08T16:58:05.480598Z" }
e3de87
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": 1359 }, "timestamp": "2026-02-17T16:08:20.767Z", "answer": 20 }, { ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "L3c", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
e8d322
nt_count_divisible_and_v1_1440796553_1171
Let $d_1 = 4$. Let $d_2$ be the minimum value of $x + y$ over all pairs of positive integers $(x, y)$ such that $xy = 9$. Let $U = 37260$. Define $S$ as the set of all positive integers $n$ such that $1 \leq n \leq U$, $n$ is divisible by $d_1$, and $n$ is divisible by $d_2$. Compute $44121$ times the number of element...
59,285
graphs = [ Graph( let={ "upper": Const(37260), "d1": Const(4), "d2": 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(9)))), e...
NT
null
COUNT
sympy
B3
[ "B3" ]
0cd20d
nt_count_divisible_and_v1
null
3
0
[ "B3" ]
1
1.426
2026-02-08T12:13:19.543037Z
{ "verified": true, "answer": 59285, "timestamp": "2026-02-08T12:13:20.969150Z" }
237ea9
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 175, "completion_tokens": 981 }, "timestamp": "2026-02-14T23:04:46.522Z", "answer": 59285 }, {...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "L3b", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" } ]
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
f3a362
antilemma_k3_v1_1742523217_119
Let $n = 72756$. Compute the sum of $\phi(d)$ over all positive divisors $d$ of $n$, where $\phi$ denotes Euler's totient function.
72,756
graphs = [ Graph( let={ "_n": Const(72756), "x": SumOverDivisors(n=Ref(name='_n'), var='d', expr=EulerPhi(n=Var(name='d'))), }, goal=Ref("x"), ) ]
NT
COMB
COMPUTE
sympy
K3
[ "K3" ]
54c41e
antilemma_k3_v1
null
3
0
[ "K3" ]
1
0
2026-02-08T02:53:16.030917Z
{ "verified": true, "answer": 72756, "timestamp": "2026-02-08T02:53:16.031322Z" }
68be46
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 153, "completion_tokens": 1102 }, "timestamp": "2026-02-09T13:52:23.944Z", "answer": 72756 }, { "...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K3", "status": "ok" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST"...
{ "lo": -5.93, "mid": -3.18, "hi": -0.5 }
c56712
comb_count_permutations_fixed_v1_1440796553_1580
Let $n = 9$. Let $k$ be the number of integers $t$ with $5 \leq t \leq 12$ for which there exist integers $a$ and $b$ such that $1 \leq a \leq 3$, $1 \leq b \leq 2$, and $t = 2a + 3b$. Define $r = \binom{n}{k} \cdot !(n - k)$, where $!(n - k)$ denotes the number of derangements of $n - k$ elements. Compute the remainde...
30,660
graphs = [ Graph( let={ "n": Const(9), "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=3)), Geq(left=Var(nam...
COMB
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
comb_count_permutations_fixed_v1
null
5
0
[ "LIN_FORM" ]
1
0.002
2026-02-08T14:04:16.699016Z
{ "verified": true, "answer": 30660, "timestamp": "2026-02-08T14:04:16.700726Z" }
cbc3eb
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 253, "completion_tokens": 2203 }, "timestamp": "2026-02-24T19:38:33.946Z", "answer": 30660 }, { "...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status": "no...
{ "lo": -2.37, "mid": 1.22, "hi": 4.84 }