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20c511
alg_poly_orbit_count_v1_1218484723_658
Let $f(x) = 3x^3 - 4x^2 - 5x - 2 \bmod 31$. For a non-negative integer $a$ with $0 \le a \le 4990$, define $N = f(a)$, $M = f(N)$, $R = f(M)$, $S = f(R)$, $T = f(S)$. Find the number of values of $a$ such that $T = a$, $N \ne a$, $M \ne a$, $R \ne a$, and $S \ne a$.
805
graphs = [ Graph( let={ "p1": Mod(value=Sum(Mul(Const(3), Pow(Var("a"), Const(3))), Mul(Const(-4), Pow(Var("a"), Const(2))), Mul(Const(-5), Var("a")), Const(-2)), modulus=Const(31)), "p2": Mod(value=Sum(Mul(Const(3), Pow(Ref("p1"), Const(3))), Mul(Const(-4), Pow(Ref("p1"), Const(2)))...
ALG
null
COUNT
sympy
POLY_ORBIT_COUNT
[ "POLY_ORBIT_COUNT" ]
4ad965
alg_poly_orbit_count_v1
null
6
null
[ "POLY_ORBIT_COUNT" ]
1
0.095
2026-02-25T02:24:13.180270Z
{ "verified": true, "answer": 805, "timestamp": "2026-02-25T02:24:13.274854Z" }
0c8f61
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 237, "completion_tokens": 12289 }, "timestamp": "2026-03-28T23:43:54.512Z", "answer": 805 }, { "i...
1
[ { "lemma": "POLY_ORBIT_COUNT", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": 1.22, "mid": 3.76, "hi": 5.73 }
748479
algebra_quadratic_discriminant_v1_865884756_645
Let $m = 8125$. Let $T$ be the set of all positive integers $k$ such that $1 \leq k \leq m$ and $325$ divides $k$. Let $A$ be the set of all ordered pairs $(x, y)$ of positive integers such that $xy = |T|$. Define $a$ to be the minimum value of $x + y$ over all such pairs. Compute the remainder when $44121 \cdot ((-1)^...
63,091
graphs = [ Graph( let={ "_m": Const(8125), "_n": Const(2), "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")), CountOverSet(set=So...
ALG
NT
COMPUTE
sympy
B3
[ "C2/B3" ]
7c8509
algebra_quadratic_discriminant_v1
null
5
0
[ "B3", "C2" ]
2
0.02
2026-02-08T15:32:55.798390Z
{ "verified": true, "answer": 63091, "timestamp": "2026-02-08T15:32:55.818733Z" }
7d8910
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 167, "completion_tokens": 853 }, "timestamp": "2026-02-16T07:47:14.535Z", "answer": 63091 }, {...
1
[ { "lemma": "B3", "status": "ok_later" }, { "lemma": "C2", "status": "ok" }, { "lemma": "K13", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "V7",...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
fd3bf6
modular_mod_compute_v1_784195855_3713
Let $n = 68$. Let $S$ be the set of all ordered pairs $(x,y)$ of positive integers such that $x + y = n$. Let $a$ be the maximum value of $x \cdot y$ over all such pairs. Let $r = a \mod 47524$. Compute the remainder when $43351 \cdot r$ is divided by $90162$.
73,846
graphs = [ Graph( let={ "_n": Const(68), "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")), Ref("_n")))), expr=Mul(Var("x"), Var("y")))), ...
NT
null
COMPUTE
sympy
B1
[ "B1" ]
5b950e
modular_mod_compute_v1
null
4
0
[ "B1" ]
1
0.003
2026-02-08T06:35:32.767552Z
{ "verified": true, "answer": 73846, "timestamp": "2026-02-08T06:35:32.770260Z" }
98c32c
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": 858 }, "timestamp": "2026-02-13T02:40:48.951Z", "answer": 73846 }, {...
1
[ { "lemma": "B1", "status": "ok" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V5", "status": "no" }, { "lemma": "V8", "status": "no" } ]
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
dc36ed
alg_poly_orbit_hensel_v1_601307018_877
Let $f(a) = 3a^4 + 3a^2 - 3a - 1 \bmod 4489$. Define the sequence $N = f(a)$, $M = f(N)$, $R = f(M)$, $S = f(R)$. Let $Q$ be the number of non-negative integers $a$ with $0 \le a \le 6854702$ such that $S = a$, $N \ne a$, $M \ne a$, and $R \ne a$. Find $Q$.
6,108
graphs = [ Graph( let={ "p1": Mod(value=Sum(Mul(Const(3), Pow(Var("a"), Const(4))), Mul(Const(3), Pow(Var("a"), Const(2))), Mul(Const(-3), Var("a")), Const(-1)), modulus=Const(4489)), "p2": Mod(value=Sum(Mul(Const(3), Pow(Ref("p1"), Const(4))), Mul(Const(3), Pow(Ref("p1"), Const(2)))...
ALG
null
COUNT
sympy
POLY_ORBIT_COUNT
[ "POLY_ORBIT_COUNT" ]
4ad965
alg_poly_orbit_hensel_v1
null
6
null
[ "POLY_ORBIT_COUNT" ]
1
0.096
2026-03-10T01:29:38.500428Z
{ "verified": true, "answer": 6108, "timestamp": "2026-03-10T01:29:38.596695Z" }
b15e4c
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 229, "completion_tokens": 25718 }, "timestamp": "2026-03-29T00:29:36.030Z", "answer": 4 }, { "...
0
[ { "lemma": "POLY_ORBIT_COUNT", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": 4.01, "mid": 6.11, "hi": 9.15 }
70f49d
comb_count_partitions_v1_601307018_4294
Let $n$ be the number of positive integers $t$ such that there exist integers $a$, $b$ with $1 \leq a \leq 3$, $1 \leq b \leq 19$, $t = 3a + 2b$, and $5 \leq t \leq 47$. Let $Q = p(n)$, where $p(n)$ denotes the number of partitions of $n$. Compute $Q$.
44,583
graphs = [ Graph( let={ "n": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=3)), Geq(left=Var(name='b'), right=Const(value=1...
COMB
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
comb_count_partitions_v1
null
4
0
[ "LIN_FORM" ]
1
0.004
2026-03-10T04:53:22.283725Z
{ "verified": true, "answer": 44583, "timestamp": "2026-03-10T04:53:22.287760Z" }
414ec8
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 209, "completion_tokens": 6306 }, "timestamp": "2026-03-29T11:44:08.952Z", "answer": 44583 }, { "...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status": "no" ...
{ "lo": 3.34, "mid": 5.77, "hi": 8.89 }
4c03e1
nt_count_divisible_and_v1_48377204_1875
Let $d_1 = \sum_{k=1}^{3} k$ and $d_2 = 8$. Compute the number of positive integers $n$ such that $1 \leq n \leq 94392$, $n$ is divisible by $d_1$, and $n$ is divisible by $d_2$.
3,933
graphs = [ Graph( let={ "upper": Const(94392), "d1": Summation(var="k", start=Const(1), end=Const(3), expr=Var("k")), "d2": Const(8), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("upper")), Eq(M...
NT
null
COUNT
sympy
SUM_ARITHMETIC
[ "SUM_ARITHMETIC" ]
eb34f0
nt_count_divisible_and_v1
null
3
0
[ "SUM_ARITHMETIC" ]
1
3.693
2026-02-08T16:28:01.253576Z
{ "verified": true, "answer": 3933, "timestamp": "2026-02-08T16:28:04.946961Z" }
f5f31e
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 132, "completion_tokens": 301 }, "timestamp": "2026-02-16T07:26:43.787Z", "answer": 3933 }, { "id": 11, ...
2
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "SUM_ARITHMETIC", "status": ...
{ "lo": -10, "mid": -7.27, "hi": -4.54 }
ab6062
antilemma_sum_equals_v1_124444284_3261
Let $n = 20$. Consider the set of all ordered pairs $(i,j)$ of positive integers such that $i + j = n$ and $1 \leq i, j \leq 19$. Let $x$ be the number of such ordered pairs. Compute $$\sum_{k=1}^{x} \phi(k),$$ where $\phi$ denotes Euler's totient function.
120
graphs = [ Graph( let={ "_n": Const(20), "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(19)), right=IntegerRange(start=Const(1), end=Con...
COMB
GEOM
COMPUTE
sympy
COUNT_SUM_EQUALS
[ "COUNT_SUM_EQUALS" ]
75ab0f
antilemma_sum_equals_v1
null
4
0
[ "COUNT_SUM_EQUALS" ]
1
0.009
2026-02-08T05:20:07.871378Z
{ "verified": true, "answer": 120, "timestamp": "2026-02-08T05:20:07.880557Z" }
9f79b2
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 194, "completion_tokens": 1241 }, "timestamp": "2026-02-24T03:12:44.144Z", "answer": 120 }, { "id...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "V8", ...
{ "lo": -2.46, "mid": 0.47, "hi": 3.59 }
fbc782
nt_count_divisible_v1_349078426_519
Let $n$ be the number of elements in the Cartesian product $\{1,2\} \times \{1,2,3,4\}$. Evaluate the sum $$ \sum_{k=0}^{4} (-1)^k \binom{c}{k}, $$ depending on $c$, where $c$ is the number of ordered pairs $(x_1, x_2)$ of positive odd integers such that $x_1 + x_2 = n$. Let $r$ be this sum. Determine the number of pos...
8,580
graphs = [ Graph( let={ "_n": CountOverSet(set=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(2)), right=IntegerRange(start=Const(1), end=Const(4)))), "upper": Const(68644), "divisor": Const(8), "result": CountOverSet(set=SolutionsSet(var=Var("n"...
COMB
null
COUNT
sympy
COUNT_CARTESIAN
[ "COUNT_CARTESIAN/COMB1/BINOMIAL_ALTERNATING" ]
365554
nt_count_divisible_v1
null
6
0
[ "BINOMIAL_ALTERNATING", "COMB1", "COUNT_CARTESIAN" ]
3
3.783
2026-02-08T13:06:45.831344Z
{ "verified": true, "answer": 8580, "timestamp": "2026-02-08T13:06:49.614006Z" }
1a5c4a
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 260, "completion_tokens": 1190 }, "timestamp": "2026-02-24T17:09:58.514Z", "answer": 8580 }, { "i...
1
[ { "lemma": "BINOMIAL_ALTERNATING", "status": "ok_later" }, { "lemma": "C2", "status": "no" }, { "lemma": "COMB1", "status": "ok_later" }, { "lemma": "COUNT_CARTESIAN", "status": "ok" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "V7", ...
{ "lo": -5.97, "mid": -3.97, "hi": -1.93 }
b704b6
diophantine_product_count_v1_1520064083_8187
Let $k = 1260$ and $\text{upper} = 339$. Consider the set of all positive integers $x$ such that $1 \leq x \leq \text{upper}$, $x$ divides $k$, and $\frac{k}{x} \leq \text{upper}$. Compute the number of elements in this set.
30
graphs = [ Graph( let={ "k": Const(1260), "upper": Const(339), "result": CountOverSet(set=SolutionsSet(var=Var("x"), condition=And(Geq(Var("x"), Const(1)), Leq(Var("x"), Ref("upper")), Divides(divisor=Var("x"), dividend=Ref("k")), Leq(Div(Ref("k"), Var("x")), Ref("upper")...
NT
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM", "B3" ]
688dbe
diophantine_product_count_v1
null
4
0
[ "B3", "LIN_FORM" ]
2
0.045
2026-02-08T10:03:30.159600Z
{ "verified": true, "answer": 30, "timestamp": "2026-02-08T10:03:30.204687Z" }
7cf8bd
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 120, "completion_tokens": 1840 }, "timestamp": "2026-02-14T06:14:52.931Z", "answer": 30 }, { ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V5", "status": "no" }, { "le...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
89b817
comb_binomial_compute_v1_1520064083_3509
Let $n = 12$ and $k = 7$. Define $C = \binom{n}{k}$. Let $P$ be the largest prime number less than or equal to 3826. Compute the remainder when $P \cdot C$ is divided by 71574.
21,708
graphs = [ Graph( let={ "_n": Const(3826), "n": Const(12), "k": Const(7), "result": Binom(n=Ref("n"), k=Ref("k")), "_c": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Ref("_n")), IsPrime(Var("n")))))...
NT
null
COMPUTE
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW" ]
183c11
comb_binomial_compute_v1
affine_mod
3
0
[ "MAX_PRIME_BELOW" ]
1
0.001
2026-02-08T05:43:31.856411Z
{ "verified": true, "answer": 21708, "timestamp": "2026-02-08T05:43:31.857626Z" }
3ef3da
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 106, "completion_tokens": 2438 }, "timestamp": "2026-02-12T12:53:01.824Z", "answer": 21708 }, ...
1
[ { "lemma": "K13", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "V1", "status": "no" ...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
3073a5
modular_sum_quadratic_residues_v1_1915831931_2906
Let $p$ be the largest prime number less than or equal to 178. Compute the remainder when $\frac{p(p-1)}{4} \times 81127$ is divided by 99868.
1,429
graphs = [ Graph( let={ "p": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Const(178)), IsPrime(Var("n"))))), "result": Div(Mul(Ref("p"), Sub(Ref("p"), Const(1))), Const(4)), "_c": Const(81127), "Q": Mod(value=M...
NT
null
SUM
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW" ]
dc3ad3
modular_sum_quadratic_residues_v1
null
2
0
[ "MAX_PRIME_BELOW" ]
1
0.002
2026-02-08T17:14:14.001301Z
{ "verified": true, "answer": 1429, "timestamp": "2026-02-08T17:14:14.003263Z" }
ed3990
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": 1588 }, "timestamp": "2026-02-17T22:34:30.983Z", "answer": 1429 }, { ...
1
[ { "lemma": "DS2", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "V3", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
117cf8
modular_sum_quadratic_residues_v1_397696148_1081
Let $p$ be the smallest prime divisor of $138693847$. Compute $\frac{p(p-1)}{4}$.
64,643
graphs = [ Graph( let={ "_n": Const(2), "p": MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Ref("_n")), Divides(divisor=Var("d"), dividend=Const(138693847))))), "result": Div(Mul(Ref("p"), Sub(Ref("p"), Const(1))), Const(4)), }, goal...
NT
null
SUM
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR" ]
bc3776
modular_sum_quadratic_residues_v1
null
2
0
[ "MIN_PRIME_FACTOR" ]
1
0.002
2026-02-08T12:20:27.777855Z
{ "verified": true, "answer": 64643, "timestamp": "2026-02-08T12:20:27.779753Z" }
2ee6f4
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 72, "completion_tokens": 5707 }, "timestamp": "2026-02-15T00:27:59.858Z", "answer": 64643 }, {...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "V5", "status": ...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
935927
nt_min_phi_inverse_v1_1918700295_2715
Let $S$ be the set of all ordered pairs $(x, y)$ of positive integers such that $x + y = 20$. Let $P$ be the set of all values of $xy$ as $(x, y)$ ranges over $S$. Let $M$ be the maximum value in $P$. Let $T$ be the set of all ordered pairs $(x, y)$ of positive integers such that $xy = M$. Let $U$ be the set of all val...
7
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")), MaxOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), V...
NT
null
EXTREMUM
sympy
K2
[ "B1/B3" ]
80b49d
nt_min_phi_inverse_v1
null
6
0
[ "B1", "B3", "K2" ]
3
0.015
2026-02-08T08:10:41.225809Z
{ "verified": true, "answer": 7, "timestamp": "2026-02-08T08:10:41.240969Z" }
f18ad9
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 246, "completion_tokens": 2760 }, "timestamp": "2026-02-13T15:42:21.290Z", "answer": 7 }, { ...
1
[ { "lemma": "B1", "status": "ok" }, { "lemma": "B3", "status": "ok_later" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "n...
{ "lo": -5.55, "mid": -3.01, "hi": 0.32 }
3ad422
modular_modexp_compute_v1_1520064083_8280
Let $n = 2$. Define $a$ to be the largest integer $k$ such that $2^k \leq 13508349759706$. Let $e = 2018$. Let $m$ be the maximum value of $xy$ over all ordered pairs $(x, y)$ of positive integers such that $x + y = 200$. Compute the remainder when $a^e$ is divided by $m$, and let $Q = 73984 - \text{that remainder}$. F...
67,335
graphs = [ Graph( let={ "_n": Const(2), "a": MaxOverSet(set=SolutionsSet(var=Var("k"), condition=Leq(Pow(Ref("_n"), Var("k")), Const(13508349759706)))), "e": Const(2018), "m": MaxOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]),...
NT
null
COMPUTE
sympy
MAX_VAL
[ "MAX_VAL", "B1" ]
978614
modular_modexp_compute_v1
null
6
0
[ "B1", "MAX_VAL" ]
2
0.002
2026-02-08T10:07:07.026508Z
{ "verified": true, "answer": 67335, "timestamp": "2026-02-08T10:07:07.028605Z" }
fb3582
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 159, "completion_tokens": 3702 }, "timestamp": "2026-02-14T06:27:56.931Z", "answer": 67335 }, ...
1
[ { "lemma": "B1", "status": "ok" }, { "lemma": "K16", "status": "same_pattern_wrong" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MAX_VAL", "status": "ok" }...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
85a597
nt_min_phi_inverse_v1_809748730_932
Let $n = 24$. Define $\text{upper}$ to be the number of integers $t$ such that $9 \leq t \leq 70$ and there exist integers $a$ and $b$ with $1 \leq a \leq 5$, $1 \leq b \leq 10$, and $t = 4a + 5b$. Let $k = 12$. Let $\text{result}$ be the smallest positive integer $n$ such that $1 \leq n \leq \text{upper}$ and $\phi(n)...
11
graphs = [ Graph( let={ "_n": Const(24), "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=5)), Geq(left=V...
NT
null
EXTREMUM
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
nt_min_phi_inverse_v1
null
6
0
[ "LIN_FORM" ]
1
0.052
2026-02-08T11:50:10.374464Z
{ "verified": true, "answer": 11, "timestamp": "2026-02-08T11:50:10.426823Z" }
e00dc1
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": 1932 }, "timestamp": "2026-02-14T19:12:14.285Z", "answer": 11 }, { ...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "V8", "status": "no" } ]
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
da3336
nt_sum_gcd_range_mod_v1_1742523217_4058
Let $D$ be the set of all positive integers $d$ such that $d \leq 8649$ and $d$ divides $75047373$. Let $N$ be the sum of $\phi(d)$ over all $d$ in $D$, where $\phi$ denotes Euler's totient function. Let $k = 60$. Define $\text{sum} = \sum_{n=1}^{N} \gcd(n, k)$. Find the remainder when $\text{sum}$ is divided by $11393...
6,297
graphs = [ Graph( let={ "N": SumOverDivisors(n=MaxOverSet(set=SolutionsSet(var=Var(name='d'), condition=And(Geq(left=Var(name='d'), right=Const(value=1)), Leq(left=Var(name='d'), right=Const(value=8649)), Divides(divisor=Var(name='d'), dividend=Const(value=75047373))))), var='d', expr=EulerPhi(n...
NT
null
COMPUTE
sympy
MAX_DIVISOR
[ "MAX_DIVISOR/K3" ]
97a225
nt_sum_gcd_range_mod_v1
null
6
0
[ "K3", "MAX_DIVISOR" ]
2
0.507
2026-02-08T06:12:45.993644Z
{ "verified": true, "answer": 6297, "timestamp": "2026-02-08T06:12:46.500543Z" }
0ea637
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 157, "completion_tokens": 5507 }, "timestamp": "2026-02-13T06:40:10.663Z", "answer": 6297 }, {...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K3", "status": "ok_later" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MAX_DIVISOR", "status": "ok" }, { ...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
7146b8
algebra_quadratic_discriminant_v1_168721529_918
Let $a = 2$, $b = -12$, and $c = -32$. Consider the set of all positive integers $p$ for which there exists a positive integer $q$ such that $p < q$, $pq = 54$, and $\gcd(p, q) = 1$. Let $n$ be the number of such integers $p$. Compute the value of $$ (-12)^n - 4 \cdot 2 \cdot (-32). $$
400
graphs = [ Graph( let={ "_n": Const(4), "a": Const(2), "b": Const(-12), "c": Const(-32), "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...
NT
null
COMPUTE
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS" ]
2bb3aa
algebra_quadratic_discriminant_v1
null
4
0
[ "COPRIME_PAIRS" ]
1
0.003
2026-02-08T13:20:48.120043Z
{ "verified": true, "answer": 400, "timestamp": "2026-02-08T13:20:48.122652Z" }
ec31df
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 219, "completion_tokens": 763 }, "timestamp": "2026-02-09T10:42:13.787Z", "answer": 400 }, { "id"...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status":...
{ "lo": -6.97, "mid": -4.58, "hi": -1.65 }
c0f1f0
comb_catalan_compute_v1_784195855_8274
Let $T$ be the set of all ordered pairs of positive odd integers $(x_1, x_2)$ such that $x_1 + x_2 = 26$. Let $\mathcal{N}$ be the number of elements in $T$. Let $S$ be the set of all ordered pairs $(i, j)$ with $1 \leq i \leq 11$ and $1 \leq j \leq 12$ such that $i + j = \mathcal{N}$. Let $C_n$ denote the $n$th Catala...
5,722
graphs = [ Graph( let={ "_m": Const(26), "_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")), R...
COMB
null
COMPUTE
sympy
COMB1
[ "COMB1/COUNT_SUM_EQUALS" ]
4d9cac
comb_catalan_compute_v1
null
5
0
[ "COMB1", "COUNT_SUM_EQUALS" ]
2
0.011
2026-02-08T15:59:07.200007Z
{ "verified": true, "answer": 5722, "timestamp": "2026-02-08T15:59:07.211452Z" }
13eba9
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 258, "completion_tokens": 2618 }, "timestamp": "2026-02-24T19:12:28.330Z", "answer": 5722 }, { "...
1
[ { "lemma": "COMB1", "status": "ok" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok_later" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "st...
{ "lo": -2.4, "mid": 1.57, "hi": 5.75 }
ff3a13
diophantine_fbi2_min_v1_1353956133_751
Let $k$ be the number of positive integers $j$ with $1 \leq j \leq 72$ such that $j^2 \leq 5184$. Let $d$ be the smallest integer such that $4 \leq d \leq 82$, $d$ divides $k$, and $\frac{k}{d} \geq 6$. Compute the remainder when $44121 \cdot d$ is divided by $72638$.
31,208
graphs = [ Graph( let={ "_n": Const(2), "k": CountOverSet(set=SolutionsSet(var=Var("j"), condition=And(Geq(Var("j"), Const(1)), Leq(Var("j"), Const(72)), Leq(Pow(Var("j"), Ref("_n")), Const(5184))), domain='positive_integers')), "upper": Const(82), "result": M...
NT
null
EXTREMUM
sympy
C3
[ "C3" ]
8a214c
diophantine_fbi2_min_v1
null
4
0
[ "C3" ]
1
0.008
2026-02-08T11:50:16.984596Z
{ "verified": true, "answer": 31208, "timestamp": "2026-02-08T11:50:16.992260Z" }
1f8647
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": 628 }, "timestamp": "2026-02-14T19:52:45.769Z", "answer": 31208 }, {...
1
[ { "lemma": "C3", "status": "ok" }, { "lemma": "K13", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
bd7147
comb_sum_binomial_row_v1_124444284_4274
Let $n = 11221$. Let $j$ be a positive integer such that $1 \leq j \leq 13$ and $j^4 \leq 28561$. Let $c$ be the number of such integers $j$. Let $P = 2^c$. Find the remainder when $n \cdot P$ is divided by $92993$.
45,348
graphs = [ Graph( let={ "_n": Const(11221), "n": CountOverSet(set=SolutionsSet(var=Var("j"), condition=And(Geq(Var("j"), Const(1)), Leq(Var("j"), Const(13)), Leq(Pow(Var("j"), Const(4)), Const(28561))), domain='positive_integers')), "result": Pow(Const(2), Ref("n")), ...
NT
null
SUM
sympy
C3
[ "C3" ]
8a214c
comb_sum_binomial_row_v1
null
3
0
[ "C3" ]
1
0.001
2026-02-08T05:53:22.020100Z
{ "verified": true, "answer": 45348, "timestamp": "2026-02-08T05:53:22.021263Z" }
dfa6ae
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": 1419 }, "timestamp": "2026-02-12T16:33:29.288Z", "answer": 45348 }, ...
1
[ { "lemma": "C3", "status": "ok" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
60dd72
alg_qf_psd_min_v1_601307018_553
Find the minimum value of $$4860a^2 - 1260cd + 2700bd + \left(\sum_{\substack{(a_1,b_1,c_1)\,:\, a_1^2+b_1^2+c_1^2 = a_1b_1+b_1c_1+c_1a_1 \\ 6a_1+3b_1+9c_1=540 \\ a_1,b_1,c_1 \ge 1}} a_1^2 + b_1^2 + c_1^2\right) \cdot ad - 1080bc - 900ab + 7380d^2 + 1260c^2 + 4140ac + 3690b^2$$ over all positive integers $a,b,c,d$ with...
23,490
graphs = [ Graph( let={ "_n": Const(2), "result": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b"), Var("c"), Var("d")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), Const(15)), Geq(Var("b"), Const(1)), Leq(Var("b"), Const(15)), Geq(Var("c"),...
ALG
null
COMPUTE
sympy
SUM_SQUARES_IDENTITY
[ "SUM_SQUARES_IDENTITY" ]
9879b8
alg_qf_psd_min_v1
null
7
0
[ "SUM_SQUARES_IDENTITY" ]
1
0.211
2026-03-10T01:04:56.308133Z
{ "verified": true, "answer": 23490, "timestamp": "2026-03-10T01:04:56.518646Z" }
94e640
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 305, "completion_tokens": 7417 }, "timestamp": "2026-03-28T23:21:03.226Z", "answer": 23490 }, { "...
1
[ { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "SUM_SQUARES_IDENTITY", "status": "ok" } ]
{ "lo": -0.92, "mid": 2.07, "hi": 4.68 }
147757
diophantine_sum_product_min_v1_124444284_7239
Let $S = 75$ and $P = 1386$. Determine the value of $x$, where $1 \leq x \leq 74$, such that $x(S - x) = P$. Compute the smallest such $x$.
33
graphs = [ Graph( let={ "S": Const(75), "P": Const(1386), "result": MinOverSet(set=SolutionsSet(var=Var("x"), condition=And(Geq(Var("x"), Const(1)), Leq(Var("x"), Const(74)), Eq(Mul(Var("x"), Sub(Ref("S"), Var("x"))), Ref("P"))))), }, goal=Ref("result"), ...
NT
null
EXTREMUM
sympy
B3
[ "V8" ]
86348e
diophantine_sum_product_min_v1
null
4
0
[ "B3", "V8" ]
2
11.165
2026-02-08T08:57:48.888596Z
{ "verified": true, "answer": 33, "timestamp": "2026-02-08T08:58:00.053495Z" }
6e3e8e
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 98, "completion_tokens": 487 }, "timestamp": "2026-02-13T22:28:55.035Z", "answer": 33 }, { ...
1
[ { "lemma": "K18", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V5", "status": "no" }, { "lemma": "V8", "status": "ok" } ]
{ "lo": -9.14, "mid": -6.05, "hi": -3.73 }
cc3e50
nt_count_intersection_v1_458359167_1088
Let $N$ be the number of positive integers $n$ such that $1 \le n \le 58328$, $8$ divides $n$, and $\gcd(n, 35) = 1$. Let $M$ be the number of positive integers $n$ such that $1 \le n \le N$, $9$ divides $n$, and $\gcd(n, 10) = 1$. Let $c$ be the minimum value of $x + y$ over all ordered pairs $(x, y)$ of positive inte...
80,993
graphs = [ Graph( let={ "_n": Const(8), "N": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Const(58328)), Divides(divisor=Ref("_n"), dividend=Var("n")), Eq(GCD(a=Var("n"), b=Const(35)), Const(1))))), "a": Const(9), ...
NT
null
COUNT
sympy
B3
[ "B3", "C5" ]
0c0979
nt_count_intersection_v1
two_stage_modexp
6
0
[ "B3", "C5" ]
2
0.169
2026-02-08T04:16:44.356165Z
{ "verified": true, "answer": 80993, "timestamp": "2026-02-08T04:16:44.525249Z" }
3a4122
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 257, "completion_tokens": 5606 }, "timestamp": "2026-02-10T16:26:55.863Z", "answer": 80993 }, { ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "C5", "status": "ok" }, { "lemma": "K13", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V7...
{ "lo": -3.42, "mid": 1.86, "hi": 7.55 }
9ae49a
alg_qf_psd_orbit_v1_1218484723_6171
Find the number of ordered triples $(a, b, c)$ of positive integers such that $1 \leq a \leq b$, $1 \leq b \leq c$, $1 \leq c \leq 62$, and $$510a^2 + 510b^2 + 510c^2 - 480ab - 480bc - 480ac = 67500.$$
7
graphs = [ Graph( let={ "_n": Const(510), "result": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b"), Var("c")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a1"), Var("b1")]), condition=And(Geq(Var("...
ALG
null
COUNT
sympy
POLY4_COUNT
[ "POLY4_COUNT" ]
861d91
alg_qf_psd_orbit_v1
null
6
0
[ "POLY4_COUNT" ]
1
0.762
2026-02-25T07:46:44.862394Z
{ "verified": true, "answer": 7, "timestamp": "2026-02-25T07:46:45.624308Z" }
9266dd
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": 20563 }, "timestamp": "2026-03-30T00:33:37.301Z", "answer": 7 }, { "id"...
1
[ { "lemma": "POLY4_COUNT", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": -3.33, "mid": 1.03, "hi": 5.26 }
579152
nt_lcm_compute_v1_349078426_510
Let $n = 63036$. Let $A$ be the set of all ordered pairs of positive integers $(x, y)$ such that $xy = 497025$, and define $a$ to be the minimum value of $x + y$ over all such pairs. Let $B$ be the set of all ordered pairs of positive integers $(x, y)$ such that $xy = 1638400$, and define $b$ to be the minimum value of...
45,780
graphs = [ Graph( let={ "_n": Const(63036), "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(497025)))), expr=Sum(Var("x"), Var("y"))...
NT
null
COMPUTE
sympy
B3
[ "B3" ]
0cd20d
nt_lcm_compute_v1
null
4
0
[ "B3" ]
1
0.003
2026-02-08T13:06:14.384353Z
{ "verified": true, "answer": 45780, "timestamp": "2026-02-08T13:06:14.387675Z" }
6e1e11
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 192, "completion_tokens": 1944 }, "timestamp": "2026-02-15T09:28:05.776Z", "answer": 45780 }, ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" } ]
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
4d64ac
nt_count_coprime_and_v1_865884756_3910
Let $S$ be the set of all prime numbers $n$ such that $2 \leq n \leq 31$. Let $k_1$ be the smallest divisor of $847$ that is at least $2$. Let $T$ be the set of all ordered pairs $(i, j)$ of integers such that $1 \leq i \leq 9$, $1 \leq j \leq 10$, and $i + j = |S|$. Let $k_2$ be the number of elements in $T$. Let $U$ ...
9,880
graphs = [ Graph( let={ "_c": Const(847), "_m": Const(2), "_n": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Ref("_m")), Leq(Var("n"), Const(31)), IsPrime(Var("n"))))), "upper": Const(17288), "k1": MinOverSet(set=Solution...
NT
null
COUNT
sympy
COUNT_PRIMES
[ "COUNT_PRIMES/COUNT_SUM_EQUALS", "MIN_PRIME_FACTOR" ]
4f137c
nt_count_coprime_and_v1
null
4
0
[ "COUNT_PRIMES", "COUNT_SUM_EQUALS", "MIN_PRIME_FACTOR" ]
3
1.974
2026-02-08T17:39:46.019378Z
{ "verified": true, "answer": 9880, "timestamp": "2026-02-08T17:39:47.993030Z" }
e5a02b
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 228, "completion_tokens": 1418 }, "timestamp": "2026-02-18T05:35:25.722Z", "answer": 9880 }, {...
1
[ { "lemma": "COUNT_PRIMES", "status": "ok" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok_later" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "K17", "status": "no" }, ...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
477931
antilemma_coprime_grid_v1_168721529_475
Compute the number of ordered pairs $(i, j)$ of integers with $1 \leq i \leq 10$ and $1 \leq j \leq 143$ such that $\gcd(i, j) = \phi(2)$, where $\phi$ denotes Euler's totient function.
895
graphs = [ Graph( let={ "x": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=Eq(GCD(a=Var("i"), b=Var("j")), EulerPhi(n=Const(2))), domain=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(10)), right=IntegerRange(start=Const(1), end=Const(143))))), ...
NT
COMB
COMPUTE
sympy
COUNT_COPRIME_GRID
[ "COUNT_COPRIME_GRID", "ONE_PHI_2" ]
98ffdc
antilemma_coprime_grid_v1
null
4
0
[ "COUNT_COPRIME_GRID", "ONE_PHI_2" ]
2
0.001
2026-02-08T13:04:01.398934Z
{ "verified": true, "answer": 895, "timestamp": "2026-02-08T13:04:01.399749Z" }
2fb161
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 180, "completion_tokens": 1593 }, "timestamp": "2026-02-09T05:25:33.038Z", "answer": 895 }, { "id...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "ok" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "ONE_PHI_2", "statu...
{ "lo": -6.69, "mid": -2.4, "hi": 1.77 }
c53acd
alg_telescope_v1_601307018_260
Let $$R = \sum_{k=0}^{505} \bigl(3k^{2} + 3k + 1\bigr) \bmod \left|\{ t : \text{there exist integers } a, b \text{ with } 1 \le a \le 12,\ 1 \le b \le 1115 \text{ such that } t = 3a + 5b + 19,\ 27 \le t \le 5630 \}\right|.$$ Compute $$\max\{ x y : (x, y),\ x > 0,\ y > 0,\ x + y = \min\{ x1 + y1 : (x1, y1),\ x1 > 0,\ y1...
1,589
graphs = [ Graph( let={ "_m": Const(2), "_n": Const(505), "result": Mod(value=Summation(var="k", start=Const(0), end=Ref("_n"), expr=Sum(Mul(Const(3), Pow(Var("k"), Ref("_m"))), Mul(Const(3), Var("k")), Const(1))), modulus=CountOverSet(set=SolutionsSet(var=Var("t"), condi...
ALG
null
COMPUTE
sympy
B3
[ "B3/B1", "LIN_FORM" ]
e52246
alg_telescope_v1
negation_mod
6
0
[ "B1", "B3", "LIN_FORM" ]
3
0.064
2026-03-10T00:49:31.472093Z
{ "verified": true, "answer": 1589, "timestamp": "2026-03-10T00:49:31.535941Z" }
948f64
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 297, "completion_tokens": 4490 }, "timestamp": "2026-04-19T00:49:38.106Z", "answer": 1589 }, { "...
1
[ { "lemma": "B1", "status": "ok_later" }, { "lemma": "B3", "status": "ok" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": 1.67, "mid": 4.44, "hi": 6.77 }
97ba6f
comb_catalan_compute_v1_1520064083_1559
Let $n$ be the number of integers $t$ with $18 \leq t \leq 40$ for which there exist positive integers $a$ and $b$ such that $1 \leq a \leq 5$, $1 \leq b \leq 2$, and $t = 4a + 6b + 8$. Compute the $n$-th Catalan number.
16,796
graphs = [ Graph( let={ "n": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=5)), Geq(left=Var(name='b'), right=Const(value=1...
COMB
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
comb_catalan_compute_v1
null
4
0
[ "LIN_FORM" ]
1
0.003
2026-02-08T04:06:30.518086Z
{ "verified": true, "answer": 16796, "timestamp": "2026-02-08T04:06:30.521565Z" }
58d8a2
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 201, "completion_tokens": 1440 }, "timestamp": "2026-02-23T23:28:25.351Z", "answer": 16796 }, { "...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" } ]
{ "lo": -4.92, "mid": -2.9, "hi": -0.7 }
999826
nt_count_divisors_in_range_v1_1742523217_791
Let $a = 1$. Let $n$ be the number of positive integers $m \leq 37800$ such that $5$ divides the $m$-th Fibonacci number. Let $b$ be the number of positive integers $m \leq 39717$ such that $9$ divides $m$ and $\gcd(m, 14) = 1$. Determine the number of positive divisors $d$ of $n$ such that $a \leq d \leq b$.
61
graphs = [ Graph( let={ "_m": Const(5), "_n": Const(37800), "n": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("_n")), Divides(divisor=Ref("_m"), dividend=Fibonacci(arg=Var(name='n')))))), "a": Const(1), ...
NT
null
COUNT
sympy
COUNT_FIB_DIVISIBLE
[ "COUNT_FIB_DIVISIBLE", "C5" ]
97537d
nt_count_divisors_in_range_v1
null
7
0
[ "C5", "COUNT_FIB_DIVISIBLE" ]
2
0.039
2026-02-08T03:14:48.845872Z
{ "verified": true, "answer": 61, "timestamp": "2026-02-08T03:14:48.885170Z" }
36df77
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 219, "completion_tokens": 2627 }, "timestamp": "2026-02-09T22:46:17.689Z", "answer": 61 }, { "id"...
1
[ { "lemma": "C5", "status": "ok" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "ok" }, { "lemma": "L3b", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, ...
{ "lo": -3.46, "mid": 1.03, "hi": 5.49 }
e2f82b
antilemma_sum_equals_v1_1520064083_2076
Let $n = 12$. Define $x$ to be the number of ordered pairs $(i,j)$ of positive integers such that $i + j = 54$, $1 \le i \le 52$, and $1 \le j \le 53$. Let $y$ be the number of ordered pairs $(i,j)$ of positive integers such that $i + j = n$, $1 \le i \le 11$, and $1 \le j \le 11$. Compute the Bell number $B_r$, where ...
4,140
graphs = [ Graph( let={ "_n": Const(12), "x": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=Eq(Sum(Var("i"), Var("j")), Const(54)), domain=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(52)), right=IntegerRange(start=Const(1), end=Con...
COMB
GEOM
COMPUTE
sympy
COUNT_SUM_EQUALS
[ "COUNT_SUM_EQUALS", "COUNT_SUM_EQUALS" ]
d4b992
antilemma_sum_equals_v1
bell_mod
4
0
[ "COUNT_SUM_EQUALS" ]
1
0.015
2026-02-08T04:30:29.615612Z
{ "verified": true, "answer": 4140, "timestamp": "2026-02-08T04:30:29.630778Z" }
4f3b05
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": 1193 }, "timestamp": "2026-02-24T00:51:11.585Z", "answer": 4140 }, { "i...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8_SUM", "stat...
{ "lo": -5.97, "mid": -3.96, "hi": -1.93 }
4512a6
comb_sum_binomial_mod_v1_50713871_11
Let $ p_{\text{max}} $ be the largest prime number at most $ 418 $. Define $$ s = \sum_{k=124}^{388} \binom{p_{\text{max}}}{k}. $$ Let $ r $ be the remainder when $ s $ is divided by $ 11311 $. Compute the remainder when $ 43 - r $ is divided by $ 75320 $.
69,488
graphs = [ Graph( let={ "_n": Const(11311), "sum": Summation(var="k", start=Const(124), end=Const(388), expr=Binom(n=MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Const(418)), IsPrime(Var("n"))))), k=Var("k"))), "result": M...
NT
null
COMPUTE
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW" ]
dc3ad3
comb_sum_binomial_mod_v1
null
6
0
[ "MAX_PRIME_BELOW" ]
1
0.028
2026-02-08T02:42:40.538129Z
{ "verified": true, "answer": 69488, "timestamp": "2026-02-08T02:42:40.566605Z" }
454447
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 197, "completion_tokens": 32768 }, "timestamp": "2026-02-23T15:46:13.878Z", "answer": null }, { ...
0
[ { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", ...
{ "lo": 4.62, "mid": 6.54, "hi": 9.53 }
ac63fa
comb_count_partitions_v1_1248542787_839
Let $m = 1681$. Define $\mathcal{P}$ to be the set of all ordered pairs $(x,y)$ of positive integers such that $x \cdot y = m$. Let $s_{\text{min}}$ be the minimum value of $x + y$ over all such pairs. Let $n$ be the number of ordered pairs $(x_1, x_2)$ of positive odd integers such that $x_1 + x_2 = s_{\text{min}}$. D...
44,583
graphs = [ Graph( let={ "_m": Const(1681), "_n": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Mul(Var("x"), Var("y")), Ref("_m")))), expr=Sum(Var("x"), Var("y")))), ...
COMB
null
COUNT
sympy
B3
[ "B3/COMB1" ]
e26f7e
comb_count_partitions_v1
null
5
0
[ "B3", "COMB1" ]
2
0.003
2026-02-08T03:27:34.975583Z
{ "verified": true, "answer": 44583, "timestamp": "2026-02-08T03:27:34.978893Z" }
207244
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": 1210 }, "timestamp": "2026-02-09T08:57:17.253Z", "answer": 44583 }, { "...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COMB1", "status": "ok_later" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "V8", "sta...
{ "lo": -0.05, "mid": 2.89, "hi": 5.27 }
4a2c2b
comb_binomial_compute_v1_1353956133_752
Let $n$ be the number of positive integers $p$ for which there exists a positive integer $q$ such that $p \cdot q = 80041500$, $\gcd(p, q) = 1$, and $p < q$. Let $k$ be the maximum value of $x \cdot y$ over all ordered pairs $(x, y)$ of positive integers such that $x + y = 6$. Compute $\binom{n}{k}$.
11,440
graphs = [ Graph( let={ "_n": Const(6), "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=80041500)), Eq(left=GCD(a=Var(name='p'), b=Var(na...
NT
null
COMPUTE
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS", "B1" ]
aa8272
comb_binomial_compute_v1
null
5
0
[ "B1", "COPRIME_PAIRS" ]
2
0.002
2026-02-08T11:50:17.343941Z
{ "verified": true, "answer": 11440, "timestamp": "2026-02-08T11:50:17.346293Z" }
6b2060
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 143, "completion_tokens": 2167 }, "timestamp": "2026-02-14T19:53:57.873Z", "answer": 11440 }, ...
1
[ { "lemma": "B1", "status": "ok" }, { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "K14", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V5", "status": "no" }, { "lemma": "...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
b69969
modular_mod_compute_v1_971394319_1499
Let $n$ be the minimum value of $x + y$ over all ordered pairs $(x,y)$ of positive integers such that $xy = 100$. Let $a$ be the maximum value of $xy$ over all ordered pairs $(x,y)$ of positive integers such that $x + y = n$. Compute the remainder when $$ \sum_{k=1}^{2} \varphi(k) \left\lfloor \frac{2}{k} \right\rfloor...
78,304
graphs = [ Graph( let={ "_c": Const(78401), "_m": Const(2), "_n": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Mul(Var("x"), Var("y")), Const(100)))), ex...
NT
null
COMPUTE
sympy
K2
[ "K2", "B3/B1" ]
e5ce17
modular_mod_compute_v1
negation_mod
6
0
[ "B1", "B3", "K2" ]
3
0.006
2026-02-08T13:42:48.781210Z
{ "verified": true, "answer": 78304, "timestamp": "2026-02-08T13:42:48.786976Z" }
8e5d4e
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 156, "completion_tokens": 714 }, "timestamp": "2026-02-15T20:18:03.550Z", "answer": 78304 }, {...
1
[ { "lemma": "B1", "status": "ok_later" }, { "lemma": "B3", "status": "ok" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "L3b", ...
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
dae486
nt_sum_totient_over_divisors_v1_1915831931_3070
Let $m = 2$ and $n_0 = 64192$. Define $n$ to be the number of positive integers $n_1$ not exceeding $n_0$ such that the smallest divisor $d$ of 143143 satisfying $d \geq m$ divides the Fibonacci number $F_{n_1}$. Compute the sum of $\phi(d_1)$ over all positive divisors $d_1$ of $n$, where $\phi$ denotes Euler's totie...
8,024
graphs = [ Graph( let={ "_m": Const(2), "_n": Const(64192), "n": CountOverSet(set=SolutionsSet(var=Var("n1"), condition=And(Geq(Var("n1"), Const(1)), Leq(Var("n1"), Ref("_n")), Divides(divisor=MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Ref("_m")...
NT
null
COMPUTE
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR/COUNT_FIB_DIVISIBLE" ]
f5c873
nt_sum_totient_over_divisors_v1
null
6
0
[ "COUNT_FIB_DIVISIBLE", "MIN_PRIME_FACTOR" ]
2
0.005
2026-02-08T17:20:25.238172Z
{ "verified": true, "answer": 8024, "timestamp": "2026-02-08T17:20:25.243142Z" }
04aecb
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 151, "completion_tokens": 2177 }, "timestamp": "2026-02-18T01:07:45.680Z", "answer": 8024 }, {...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "ok_later" }, { "lemma": "K15", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "MOD_SUB", "status": "...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
ea06a2
alg_poly_preperiod_count_v1_1218484723_5481
Let $N = (a^3 + 4a) \bmod 41$, $M = (N^3 + 4N) \bmod 41$, and $R = (M^3 + 4M) \bmod 41$. Find the number of non-negative integers $a$ with $0 \le a \le 58137$ such that $R = N$ and $M \neq N$.
8,508
graphs = [ Graph( let={ "p1": Mod(value=Sum(Pow(Var("a"), Const(3)), Mul(Const(4), Var("a"))), modulus=Const(41)), "p2": Mod(value=Sum(Pow(Ref("p1"), Const(3)), Mul(Const(4), Ref("p1"))), modulus=Const(41)), "p3": Mod(value=Sum(Pow(Ref("p2"), Const(3)), Mul(Const(4), Ref(...
ALG
null
COUNT
sympy
POLY_ORBIT_COUNT
[ "POLY_ORBIT_COUNT" ]
4ad965
alg_poly_preperiod_count_v1
null
6
null
[ "POLY_ORBIT_COUNT" ]
1
0.013
2026-02-25T07:01:14.998237Z
{ "verified": true, "answer": 8508, "timestamp": "2026-02-25T07:01:15.010891Z" }
0efc21
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 202, "completion_tokens": 18722 }, "timestamp": "2026-03-29T21:19:44.315Z", "answer": 8508 }, { "...
1
[ { "lemma": "POLY_ORBIT_COUNT", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": -3.33, "mid": 1.03, "hi": 5.26 }
2701cc
lin_form_endings_v1_124444284_316
Let $a = 28$ and $b = 21$. Let $L = \text{lcm}(a, b)$ and define $s = L + a + b$. Compute the remainder when $11947 \cdot s$ is divided by $59234$.
48,867
graphs = [ Graph( let={ "a_coeff": Const(28), "b_coeff": Const(21), "k_val": Const(1), "lcm_node": LCM(a=Ref("a_coeff"), b=Ref("b_coeff")), "_inner_result": Sum(Mul(Ref("k_val"), Ref("lcm_node")), Ref("a_coeff"), Ref("b_coeff")), "_scal...
COMB
NT
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
lin_form_endings_v1
null
2
null
[ "LIN_FORM" ]
1
0.001
2026-02-08T03:11:25.379754Z
{ "verified": true, "answer": 48867, "timestamp": "2026-02-08T03:11:25.380263Z" }
2d65a8
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 168, "completion_tokens": 692 }, "timestamp": "2026-02-09T16:01:29.986Z", "answer": 48867 }, { "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_SUM", "st...
{ "lo": -3.46, "mid": 1.03, "hi": 5.49 }
3746dc
nt_gcd_compute_v1_1439011603_758
Let $a = 1153659$ and $b = 1863603$. Let $g = \gcd(a, b)$. Let $d$ be the number of decimal digits of $g$. Compute $$\sum_{i=0}^{d-1} \left( \text{the } i\text{th digit of } g \right) \cdot (i+1)^2 + 62001.$$
62,411
graphs = [ Graph( let={ "a": Const(1153659), "b": Const(1863603), "result": GCD(a=Ref("a"), b=Ref("b")), "_c": Const(62001), "Q": Sum(Summation(var="i", start=Summation(var="k", start=Const(0), end=Const(1), expr=Mul(Pow(Const(-1), Var("k")), Binom...
COMB
NT
COMPUTE
sympy
BINOMIAL_ALTERNATING
[ "BINOMIAL_ALTERNATING", "ONE_BINOM_N" ]
961fba
nt_gcd_compute_v1
null
5
0
[ "BINOMIAL_ALTERNATING", "ONE_BINOM_N" ]
2
0.004
2026-02-08T15:42:23.028187Z
{ "verified": true, "answer": 62411, "timestamp": "2026-02-08T15:42:23.032191Z" }
8653a0
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": 1299 }, "timestamp": "2026-02-16T11:09:45.535Z", "answer": 62411 }, ...
1
[ { "lemma": "BINOMIAL_ALTERNATING", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "ONE_BINOM_N", "status": "ok" }, { "lemma": "V7", "s...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
5bf901
modular_mod_compute_v1_1874849503_1047
Let $\binom{n}{k}$ denote the binomial coefficient and let $\phi(n)$ denote Euler's totient function. Define $m$ as the number of nonnegative integers $j$ with $0 \leq j \leq 64958$ such that $\binom{64958}{j} \equiv \phi(1) \pmod{2}$. Let $a = -30976$. Compute the remainder when $94964 \cdot (a \bmod m)$ is divided by...
41,744
graphs = [ Graph( let={ "_n": Const(87879), "a": Const(-30976), "m": CountOverSet(set=SolutionsSet(var=Var("j"), condition=And(Geq(Var("j"), Const(0)), Leq(Var("j"), Const(64958)), Eq(Mod(value=Binom(n=Const(64958), k=Var("j")), modulus=Const(2)), EulerPhi(n=Const(1)))), ...
NT
COMB
COMPUTE
sympy
ONE_PHI_1
[ "ONE_PHI_1", "V8" ]
59ff2b
modular_mod_compute_v1
null
4
0
[ "ONE_PHI_1", "V8" ]
2
0.003
2026-02-08T13:32:31.819458Z
{ "verified": true, "answer": 41744, "timestamp": "2026-02-08T13:32:31.822437Z" }
070307
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 223, "completion_tokens": 2462 }, "timestamp": "2026-02-10T00:18:53.223Z", "answer": 41744 }, { "...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "ONE_PHI_1", ...
{ "lo": -6.5, "mid": -0.2, "hi": 6.11 }
f7622b
antilemma_sum_equals_v1_1915831931_2911
Compute the number of ordered pairs $(i, j)$ of positive integers such that $i + j = 86$, $1 \leq i \leq 84$, and $1 \leq j \leq 85$.
84
graphs = [ Graph( let={ "x": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=Eq(Sum(Var("i"), Var("j")), Const(86)), domain=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(84)), right=IntegerRange(start=Const(1), end=Const(85))))), }, ...
COMB
GEOM
COMPUTE
sympy
LIN_FORM
[ "COUNT_SUM_EQUALS" ]
75ab0f
antilemma_sum_equals_v1
null
2
0
[ "COUNT_SUM_EQUALS", "LIN_FORM" ]
2
0.119
2026-02-08T17:14:15.555915Z
{ "verified": true, "answer": 84, "timestamp": "2026-02-08T17:14:15.674766Z" }
2c4665
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 92, "completion_tokens": 1225 }, "timestamp": "2026-02-24T22:22:41.700Z", "answer": 84 }, { ...
2
[ { "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_SUM", "status"...
{ "lo": -10, "mid": -7.42, "hi": -4.85 }
b408a9
nt_max_prime_below_v1_48377204_1660
Let $S$ be the set of all positive integers $p$ for which there exists a positive integer $q$ such that $pq = 36$, $\gcd(p, q) = 1$, and $p < q$. Let $L$ be the number of elements in $S$. Find the largest prime number $n$ such that $L \leq n \leq 10559$.
10,559
graphs = [ Graph( let={ "upper": Const(10559), "result": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), CountOverSet(set=SolutionsSet(var=Var("p"), condition=And(IsPositive(arg=Var(name='p')), Exists(var=Var(name='q'), condition=And(Eq(left=Mul(Var(name='p'), V...
NT
null
EXTREMUM
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS" ]
2bb3aa
nt_max_prime_below_v1
null
4
0
[ "COPRIME_PAIRS" ]
1
0.247
2026-02-08T16:17:59.107190Z
{ "verified": true, "answer": 10559, "timestamp": "2026-02-08T16:17:59.354161Z" }
61130f
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 1, "correct": { "strict": false, "boxed": false, "relaxed": true }, "usage": { "prompt_tokens": 144, "completion_tokens": 560 }, "timestamp": "2026-02-16T07:16:20.487Z", "answer": 109 }, { "id": 11, ...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "DS2", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "V8", "status": "no" ...
{ "lo": -8.26, "mid": -5.01, "hi": -1.76 }
96d076
nt_min_coprime_above_v1_1918700295_1000
Let $s$ be the sum of the solutions to the equation $x^2 - 7744x - 319185 = 0$. Let $T$ be the set of all ordered pairs $(x, y)$ of positive integers such that $xy = 15077689$, and let $u$ be the minimum value of $x + y$ over all such pairs. Let $n$ be the smallest integer greater than $s$ and at most $u$ such that $\g...
7,745
graphs = [ Graph( let={ "start": SumOverSet(set=SolutionsSet(var=Var("x"), condition=Eq(Sum(Pow(Var("x"), Const(2)), Mul(Const(-7744), Var("x")), Const(-319185)), Const(0)))), "upper": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(...
NT
null
EXTREMUM
sympy
VIETA_SUM
[ "VIETA_SUM", "B3" ]
018050
nt_min_coprime_above_v1
null
6
0
[ "B3", "VIETA_SUM" ]
2
0.006
2026-02-08T05:27:21.077576Z
{ "verified": true, "answer": 7745, "timestamp": "2026-02-08T05:27:21.083883Z" }
ec7649
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 165, "completion_tokens": 2548 }, "timestamp": "2026-02-12T10:01:59.854Z", "answer": 7745 }, {...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V5", "status": "no" }, { "lemma":...
{ "lo": -9.14, "mid": -6.05, "hi": -3.73 }
def2c5
algebra_poly_eval_v1_1125832087_682
Let $m=8$, $n=2$, and $y=8$. Let $C$ be the number of integers $t$ with $7\le t\le 1135$ for which there exist integers $a$ and $b$ satisfying $1\le a\le 3$, $1\le b\le 560$, and $$t=5a+2b.$$ Let $N$ be the number of integers $k$ with $1\le k\le C$ such that $5$ divides the Fibonacci number $F_k$. Let $S$ be the set...
33,918
graphs = [ Graph( let={ "_m": Const(8), "_n": Const(2), "y": Const(8), "result": Div(Sum(Mul(Ref("_m"), Pow(Ref("y"), Const(5))), Mul(Const(-22), Pow(Ref("y"), Const(4))), Mul(Const(-3), Pow(Ref("y"), Const(3))), Mul(Const(-16), Pow(Ref("y"), Ref("_n"))), Mul(...
ALG
NT
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM/COUNT_FIB_DIVISIBLE/B3" ]
cb7aba
algebra_poly_eval_v1
null
8
0
[ "B3", "COUNT_FIB_DIVISIBLE", "LIN_FORM" ]
3
0.016
2026-02-08T03:13:01.376965Z
{ "verified": true, "answer": 33918, "timestamp": "2026-02-08T03:13:01.392522Z" }
8f6226
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 351, "completion_tokens": 4421 }, "timestamp": "2026-02-10T13:31:26.882Z", "answer": 33918 }, { "...
1
[ { "lemma": "B3", "status": "ok_later" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "ok_later" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": 0.21, "mid": 2.81, "hi": 5.01 }
484877
comb_sum_binomial_row_v1_865884756_5828
Let $n$ be the number of integers $t$ such that $32 \leq t \leq 77$ and $t = 15a + 6b + 11$ for some integers $a$ and $b$ with $1 \leq a \leq 2$ and $1 \leq b \leq 6$. Compute the remainder when $44121 \cdot 2^n$ is divided by $52805$.
20,906
graphs = [ Graph( let={ "_n": Const(2), "n": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=2)), Geq(left=Var(na...
NT
null
SUM
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
comb_sum_binomial_row_v1
null
4
0
[ "LIN_FORM" ]
1
0.002
2026-02-08T18:48:04.540359Z
{ "verified": true, "answer": 20906, "timestamp": "2026-02-08T18:48:04.542597Z" }
100c86
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 138, "completion_tokens": 1674 }, "timestamp": "2026-02-18T19:41:37.950Z", "answer": 20906 }, ...
1
[ { "lemma": "K17", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "V8", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
32936c
sequence_fibonacci_compute_v1_1470522791_1784
Let $m = 100$ and let $\mathcal{D}$ be the set of all positive integers $k$ with $1 \leq k \leq 10000$ such that $m$ divides $k$. Let $n$ be the minimum value of $x + y$ over all pairs of positive integers $(x, y)$ such that $xy$ equals the number of elements in $\mathcal{D}$. Compute the $n$-th Fibonacci number.
6,765
graphs = [ Graph( let={ "_m": Const(100), "_n": CountOverSet(set=SolutionsSet(var=Var("k"), condition=And(Geq(Var("k"), Const(1)), Leq(Var("k"), Const(10000)), Divides(divisor=Ref("_m"), dividend=Var("k"))), domain='positive_integers')), "n": MinOverSet(set=MapOverSet(set...
NT
null
COMPUTE
sympy
C2
[ "C2/B3" ]
7c8509
sequence_fibonacci_compute_v1
null
6
0
[ "B3", "C2" ]
2
0.003
2026-02-08T13:57:48.019387Z
{ "verified": true, "answer": 6765, "timestamp": "2026-02-08T13:57:48.022321Z" }
6a4cc3
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": 889 }, "timestamp": "2026-02-15T22:29:04.637Z", "answer": 6765 }, { ...
1
[ { "lemma": "B3", "status": "ok_later" }, { "lemma": "C2", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "V5", "status": "no" ...
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
79757e
geo_visible_lattice_v1_124444284_4984
A lattice point $(x, y)$ in the first quadrant is said to be visible from the origin if $\gcd(x, y) = 1$. For $1 \leq x, y \leq 144$, compute the number of visible lattice points. Let this number be $R$. Compute the remainder when $44121 \times R$ is divided by 84800.
34,939
graphs = [ Graph( let={ "n": Const(144), "result": VisibleLatticePoints(n=Ref(name='n')), "Q": Mod(value=Mul(Const(44121), Ref("result")), modulus=Const(84800)), }, goal=Ref("Q"), ) ]
GEOM
null
COUNT
sympy
[]
geo_visible_lattice_v1
null
5
0
null
null
1.243
2026-02-08T06:19:41.611523Z
{ "verified": true, "answer": 34939, "timestamp": "2026-02-08T06:19:42.854317Z" }
a67283
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 190, "completion_tokens": 11687 }, "timestamp": "2026-02-24T06:03:43.797Z", "answer": 28939 }, { ...
1
[]
{ "lo": 3.43, "mid": 5.73, "hi": 8.84 }
43b654
nt_num_divisors_compute_v1_168721529_2001
Let $n = 33856$. Define $d(n)$ to be the number of positive divisors of $n$. Compute $d(n)$.
21
graphs = [ Graph( let={ "n": Const(33856), "result": NumDivisors(n=Ref("n")), }, goal=Ref("result"), ) ]
NT
null
COMPUTE
sympy
K14
[ "K14" ]
a49bcb
nt_num_divisors_compute_v1
null
2
0
[ "K14" ]
1
0.01
2026-02-08T14:03:06.194064Z
{ "verified": true, "answer": 21, "timestamp": "2026-02-08T14:03:06.204455Z" }
fb3a0a
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 141, "completion_tokens": 515 }, "timestamp": "2026-02-10T00:45:03.211Z", "answer": 21 }, { "id":...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K14", "status": "ok" }, { "lemma": "K5", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "V3", "status": "no" } ]
{ "lo": -8.26, "mid": -5.01, "hi": -1.76 }
85da8b
comb_count_surjections_v1_1520064083_10087
Let $k$ be the number of ordered triples $(x_1, x_2, x_3)$ of positive odd integers such that $x_1 + x_2 + x_3 = 5$. Let $n = 8$. Compute the value of $k! \cdot S(n, k)$, where $S(n, k)$ denotes the number of ways to partition a set of $n$ elements into $k$ nonempty subsets. Let this value be $R$. Find the remainder wh...
7,846
graphs = [ Graph( let={ "_n": Const(5), "n": Const(8), "k": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x1"), Var("x2"), Var("x3")]), condition=And(IsPositive(arg=Var(name='x1')), IsPositive(arg=Var(name='x2')), IsPositive(arg=Var(name='x3')), IsOdd(arg=Var(nam...
COMB
null
COUNT
sympy
COMB1
[ "COMB1" ]
567f58
comb_count_surjections_v1
null
6
0
[ "COMB1" ]
1
0.002
2026-02-08T11:12:01.442045Z
{ "verified": true, "answer": 7846, "timestamp": "2026-02-08T11:12:01.444097Z" }
48f0bb
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": 2539 }, "timestamp": "2026-02-24T12:54:51.965Z", "answer": 7846 }, { "i...
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": "COUNT_SUM_EQUALS...
{ "lo": -2.35, "mid": 1.22, "hi": 4.84 }
ddd240
comb_sum_binomial_row_v1_1520064083_4902
Let $n$ be the number of integers $t$ with $5 \leq t \leq 18$ such that there exist positive integers $a$ and $b$ with $1 \leq a \leq 3$, $1 \leq b \leq 4$, and $t = 2a + 3b$. Compute the value of $2^n$.
4,096
graphs = [ Graph( let={ "_n": Const(2), "n": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=3)), Geq(left=Var(na...
NT
null
SUM
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
comb_sum_binomial_row_v1
null
3
0
[ "LIN_FORM" ]
1
0.001
2026-02-08T06:30:20.249695Z
{ "verified": true, "answer": 4096, "timestamp": "2026-02-08T06:30:20.250902Z" }
c01411
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 136, "completion_tokens": 827 }, "timestamp": "2026-02-15T17:31:51.232Z", "answer": 8192 }, { "id": 11,...
1
[ { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "MOD_MUL", "status": "no...
{ "lo": -7.01, "mid": -4.68, "hi": -2.15 }
8b2d94
sequence_count_fib_divisible_v1_971394319_1860
Let $u$ be the number of integers $t$ such that $8 \leq t \leq 667$ and there exist positive integers $a$ and $b$ with $1 \leq a \leq 5$, $1 \leq b \leq 214$, and $t = 5a + 3b$. Determine the value of the number of positive integers $n$ such that $1 \leq n \leq u$ and $10$ divides the $n$-th Fibonacci number.
43
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=5)), Geq(left=Var(name='b'), right=Const(val...
NT
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
sequence_count_fib_divisible_v1
null
6
0
[ "LIN_FORM" ]
1
0.059
2026-02-08T13:57:59.311790Z
{ "verified": true, "answer": 43, "timestamp": "2026-02-08T13:57:59.370430Z" }
89e60d
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 152, "completion_tokens": 2288 }, "timestamp": "2026-02-15T22:37:02.115Z", "answer": 43 }, { ...
1
[ { "lemma": "K16", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V8", "status": "no" } ]
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
415214
nt_sum_gcd_range_mod_v1_677425708_3859
Let $N$ be the number of positive integers $n \leq 86700$ such that the $n$th Fibonacci number is divisible by 9. Let $k$ be the minimum value of $x + y$ over all ordered pairs $(x, y)$ of positive integers such that $xy = 2304$. Let $M = 11813$. Compute the remainder when $\sum_{n=1}^{N} \gcd(n, k)$ is divided by $M$.
6,670
graphs = [ Graph( let={ "_n": Const(9), "N": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Const(86700)), Divides(divisor=Ref("_n"), dividend=Fibonacci(arg=Var(name='n')))))), "k": MinOverSet(set=MapOverSet(set=SolutionsS...
NT
null
COMPUTE
sympy
COUNT_FIB_DIVISIBLE
[ "COUNT_FIB_DIVISIBLE", "B3" ]
a63611
nt_sum_gcd_range_mod_v1
null
7
0
[ "B3", "COUNT_FIB_DIVISIBLE" ]
2
0.623
2026-02-08T05:58:41.901493Z
{ "verified": true, "answer": 6670, "timestamp": "2026-02-08T05:58:42.524664Z" }
14c359
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 148, "completion_tokens": 2842 }, "timestamp": "2026-02-12T18:27:37.634Z", "answer": 6670 }, {...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "ok" }, { "lemma": "K15", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lem...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
2538f0
modular_sum_quadratic_residues_v1_1915831931_2123
Let $p$ be the largest prime number not exceeding $656$. Define $\text{result} = \frac{p(p-1)}{4}$. Let $Q$ be the remainder when $45159 \cdot \text{result}$ is divided by $70213$. Compute $Q$.
37,247
graphs = [ Graph( let={ "_n": Const(70213), "p": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Const(656)), IsPrime(Var("n"))))), "result": Div(Mul(Ref("p"), Sub(Ref("p"), Const(1))), Const(4)), "_c": Const(4515...
NT
null
SUM
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW" ]
dc3ad3
modular_sum_quadratic_residues_v1
null
3
0
[ "MAX_PRIME_BELOW" ]
1
0.002
2026-02-08T16:37:42.782814Z
{ "verified": true, "answer": 37247, "timestamp": "2026-02-08T16:37:42.784815Z" }
0a6259
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 106, "completion_tokens": 2697 }, "timestamp": "2026-02-17T07:44:59.334Z", "answer": 37247 }, ...
1
[ { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "V8_SUM", "status"...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
964c18
diophantine_fbi2_min_v1_1125832087_1556
Let $k$ be the number of ordered pairs $(a,b)$ where $a$ is an integer from 1 to 3, inclusive, and $b$ is an integer from 1 to 7, inclusive. Let $d$ be a divisor of $k$ such that $6 \leq d \leq 31$ and $\frac{k}{d} \geq 3$. Let $m$ be the smallest such $d$. Compute the value of $$ \sum_{i=0}^{\mathrm{NumDigits}(m)-1} \...
12,107
graphs = [ Graph( let={ "k": CountOverSet(set=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(3)), right=IntegerRange(start=Const(1), end=Const(7)))), "upper": Const(31), "result": MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(6)...
NT
null
EXTREMUM
sympy
COUNT_CARTESIAN
[ "COUNT_CARTESIAN" ]
409d7d
diophantine_fbi2_min_v1
null
3
0
[ "COUNT_CARTESIAN" ]
1
0.005
2026-02-08T03:47:36.373024Z
{ "verified": true, "answer": 12107, "timestamp": "2026-02-08T03:47:36.378243Z" }
c09c5e
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 252, "completion_tokens": 1180 }, "timestamp": "2026-02-10T15:43:03.536Z", "answer": 12107 }, { "...
1
[ { "lemma": "COUNT_CARTESIAN", "status": "ok" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MOD_ADD", "statu...
{ "lo": -7.01, "mid": -4.68, "hi": -2.15 }
1b86d4
nt_max_prime_below_v1_1520064083_333
Let $P$ be the set of all positive integers $p$ for which there exists a positive integer $q$ such that $pq = 24$, $\gcd(p, q) = 1$, and $p < q$. Let $m$ be the number of elements in $P$. Define $S$ to be the set of all prime numbers $n$ such that $m \leq n \leq 45360$. Let $n_{\text{max}}$ be the largest element of $S...
66,482
graphs = [ Graph( let={ "upper": Const(45360), "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
1.709
2026-02-08T03:15:39.827585Z
{ "verified": true, "answer": 66482, "timestamp": "2026-02-08T03:15:41.536234Z" }
db2a54
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 249, "completion_tokens": 4786 }, "timestamp": "2026-02-10T13:13:30.293Z", "answer": 66482 }, { ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "K13", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "V1", "status": "no" } ]
{ "lo": -3.42, "mid": 1.86, "hi": 7.55 }
5e1efb
comb_count_permutations_fixed_v1_1439011603_2633
Let $k = \sum_{k_1=1}^{3} \phi(k_1) \left\lfloor \frac{3}{k_1} \right\rfloor$, where $\phi$ denotes Euler's totient function. Define $r = \binom{8}{k} \cdot ! (8 - k)$, where $!m$ denotes the number of derangements of $m$ elements. Compute the remainder when $82781 \cdot r$ is divided by 90493.
55,543
graphs = [ Graph( let={ "n": Const(8), "k": Summation(var="k1", start=Const(1), end=Const(3), expr=Mul(EulerPhi(n=Var("k1")), Floor(Div(Const(3), Var("k1"))))), "result": Mul(Binom(n=Ref("n"), k=Ref("k")), Subfactorial(arg=Sub(left=Ref(name='n'), right=Ref(name='k')))), ...
NT
COMB
COUNT
sympy
K2
[ "K2" ]
6897ab
comb_count_permutations_fixed_v1
null
5
0
[ "K2" ]
1
0.002
2026-02-08T16:53:31.243322Z
{ "verified": true, "answer": 55543, "timestamp": "2026-02-08T16:53:31.245464Z" }
b46ff7
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 150, "completion_tokens": 1315 }, "timestamp": "2026-02-17T14:20:36.478Z", "answer": 55543 }, ...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V5", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
dbc8f8
modular_min_linear_v1_458359167_1829
Let $a$ be the largest prime number $n$ such that $2 \leq n \leq s$, where $s$ is the minimum value of $x + y$ over all ordered pairs $(x, y)$ of positive integers satisfying $xy = 9935104$. Let $b$ be the minimum value of $x + y$ over all ordered pairs $(x, y)$ of positive integers satisfying $xy = 19722481$. Let $m =...
81,843
graphs = [ Graph( let={ "_n": Const(2), "a": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Ref("_n")), Leq(Var("n"), MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(ar...
NT
null
EXTREMUM
sympy
B3
[ "B3/MAX_PRIME_BELOW" ]
f253c0
modular_min_linear_v1
null
7
0
[ "B3", "MAX_PRIME_BELOW" ]
2
0.842
2026-02-08T04:52:13.602718Z
{ "verified": true, "answer": 81843, "timestamp": "2026-02-08T04:52:14.444599Z" }
4c5f8e
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 269, "completion_tokens": 7183 }, "timestamp": "2026-02-11T22:26:09.781Z", "answer": 81843 }, { ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "K18", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok_later" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V5", "status": "no" }, { ...
{ "lo": -3.42, "mid": 1.86, "hi": 7.55 }
9432d7
comb_sum_binomial_row_v1_1218484723_2297
Let $N = 0$, $M = 0$, $e = \sum_{k=0}^{M} (-1)^k \binom{M}{k}$, $u = \sum_{k=0}^{N} (-1)^k \binom{N}{k}$, $n = 14u$, $S = 3 + 1$, and $s = \sum_{k=0}^{S} (-1)^k \binom{S}{k}$. Compute $((2 + s) \cdot e)^n$.
16,384
graphs = [ Graph( let={ "u1": Const(3), "n3": Sum(Ref("u1"), Const(1)), "s": Summation(var="k", start=Const(0), end=Ref("n3"), expr=Mul(Pow(Const(-1), Var("k")), Binom(n=Ref("n3"), k=Var("k")))), "n2": Const(0), "e": Summation(var="k1", start=Const...
COMB
null
SUM
sympy
BINOMIAL_ALTERNATING
[ "BINOMIAL_ALTERNATING" ]
c21569
comb_sum_binomial_row_v1
null
3
3
[ "BINOMIAL_ALTERNATING" ]
1
0.001
2026-02-25T04:08:14.714522Z
{ "verified": true, "answer": 16384, "timestamp": "2026-02-25T04:08:14.715997Z" }
3d7f02
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 229, "completion_tokens": 606 }, "timestamp": "2026-03-29T03:57:33.199Z", "answer": 16384 }, { "i...
2
[ { "lemma": "BINOMIAL_ALTERNATING", "status": "ok" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "sta...
{ "lo": -10, "mid": -6.41, "hi": -2.82 }
3f1ac9
modular_inverse_v1_655260480_4720
Let $a = 180$ and $m = 251$. Let $S$ be the set of all ordered pairs $(x, y)$ of positive integers such that $xy = 15625$. Let $\text{upper}$ be the minimum value of $x + y$ over all pairs in $S$. Find the smallest positive integer $x_1$ such that $1 \le x_1 \le \text{upper}$ and $180x_1 \equiv 1 \pmod{251}$.
152
graphs = [ Graph( let={ "a": Const(180), "m": Const(251), "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(15625)))),...
NT
null
EXTREMUM
sympy
B3
[ "B3" ]
0cd20d
modular_inverse_v1
null
6
0
[ "B3" ]
1
0.016
2026-02-08T18:04:38.401627Z
{ "verified": true, "answer": 152, "timestamp": "2026-02-08T18:04:38.418038Z" }
32ba87
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 154, "completion_tokens": 2263 }, "timestamp": "2026-02-18T12:51:31.428Z", "answer": 152 }, { ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
6c48bd
lin_form_endings_v1_124444284_8134
Let $a = 18$ and $b = 27$. Define $d = \gcd(a, b)$. Let $k = 144$ and let $g = \gcd(k, d)$. Define $m = \left\lfloor \frac{k}{g} \right\rfloor$. Let $x = (16397 \cdot m) \mod 69011$. Compute the value of $x$.
55,319
graphs = [ Graph( let={ "a_coeff": Const(18), "b_coeff": Const(27), "k_val": Const(144), "step": GCD(a=Ref("a_coeff"), b=Ref("b_coeff")), "_inner_result": Floor(Div(Ref("k_val"), GCD(a=Ref("k_val"), b=Ref("step")))), "_scale_k": Const(1...
COMB
NT
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
lin_form_endings_v1
null
3
null
[ "LIN_FORM" ]
1
0
2026-02-08T09:34:34.099616Z
{ "verified": true, "answer": 55319, "timestamp": "2026-02-08T09:34:34.099971Z" }
0b740d
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 157, "completion_tokens": 444 }, "timestamp": "2026-02-15T20:44:35.902Z", "answer": 55319 }, { "id": 11, ...
2
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" } ]
{ "lo": -9.12, "mid": -6.02, "hi": -3.62 }
3d4368
comb_count_surjections_v1_124444284_1704
Let $n$ be the number of ordered pairs $(x_1, x_2)$ of positive odd integers such that $x_1 + x_2$ equals the number of integers $t$ in the range $7 \leq t \leq 24$ for which there exist integers $a$ and $b$ with $1 \leq a \leq 4$, $1 \leq b \leq 3$, and $t = 3a + 4b$. Let $k = 3$. Compute $k! \cdot S(n, k)$, where $S(...
540
graphs = [ Graph( let={ "n": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x1"), Var("x2")]), condition=And(IsPositive(arg=Var(name='x1')), IsPositive(arg=Var(name='x2')), IsOdd(arg=Var(name='x1')), IsOdd(arg=Var(name='x2')), Eq(Sum(Var("x1"), Var("x2")), CountOverSet(set=SolutionsSet(v...
COMB
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM/COMB1" ]
268a62
comb_count_surjections_v1
null
6
0
[ "COMB1", "LIN_FORM" ]
2
0.002
2026-02-08T04:05:43.569393Z
{ "verified": true, "answer": 540, "timestamp": "2026-02-08T04:05:43.571305Z" }
cd4caa
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": 1063 }, "timestamp": "2026-02-23T23:24:20.584Z", "answer": 540 }, { "id...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COMB1", "status": "ok_later" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "LIN_FORM"...
{ "lo": -4.92, "mid": -2.9, "hi": -0.7 }
2af916
modular_modexp_compute_v1_124444284_1518
Let $ a = \sum_{k=1}^{2} \phi(k) \left\lfloor \frac{2}{k} \right\rfloor $. Let $ S $ be the set of all ordered pairs $ (x,y) $ of positive integers such that $ xy = 153664 $. Let $ e $ be the minimum value of $ x + y $ over all such pairs. Compute the remainder when $ a^e $ is divided by 32768.
13,121
graphs = [ Graph( let={ "a": Summation(var="k", start=Const(1), end=Const(2), expr=Mul(EulerPhi(n=Var("k")), Floor(Div(Const(2), Var("k"))))), "e": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPosi...
NT
null
COMPUTE
sympy
B3
[ "B3", "K2" ]
f1ea07
modular_modexp_compute_v1
null
6
0
[ "B3", "K2" ]
2
0.003
2026-02-08T03:58:06.408752Z
{ "verified": true, "answer": 13121, "timestamp": "2026-02-08T03:58:06.411346Z" }
bab7e7
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 209, "completion_tokens": 3948 }, "timestamp": "2026-02-10T14:49:17.436Z", "answer": 13121 }, { ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "L3b", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "le...
{ "lo": -3.42, "mid": 1.86, "hi": 7.55 }
fcd2a6
modular_mod_compute_v1_655260480_2265
Let $S$ be the set of all ordered pairs $(x, y)$ of positive integers such that $x + y = \sum_{k=1}^{16} \phi(k) \left\lfloor \frac{16}{k} \right\rfloor$. Let $P$ be the set of all products $xy$ where $(x, y) \in S$. Let $a$ be the maximum value in $P$. Compute the remainder when $75701$ times the remainder when $a$ is...
13,802
graphs = [ Graph( let={ "_n": Const(54369), "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")), Summation(var="k", start=Const(1), end=Const(1...
NT
null
COMPUTE
sympy
K2
[ "K2/B1" ]
995da8
modular_mod_compute_v1
null
5
0
[ "B1", "K2" ]
2
0.003
2026-02-08T16:39:19.090088Z
{ "verified": true, "answer": 13802, "timestamp": "2026-02-08T16:39:19.093447Z" }
ec5499
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 166, "completion_tokens": 1685 }, "timestamp": "2026-02-17T08:27:43.761Z", "answer": 13802 }, ...
1
[ { "lemma": "B1", "status": "ok_later" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" ...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
6a436e
diophantine_fbi2_count_v1_1742523217_3799
Let $k = 720$. Define $r$ to be the number of positive integers $d$ such that $2 \leq d \leq 71$, $d$ divides $k$, and $2 \leq \frac{k}{d} \leq 71$. Let $Q = 4796 \cdot r$. Compute the value of $Q$.
57,552
graphs = [ Graph( let={ "_n": Const(2), "k": Const(720), "result": CountOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Ref("_n")), Leq(Var("d"), Const(71)), Divides(divisor=Var("d"), dividend=Ref("k")), Geq(Div(Ref("k"), Var("d")), Const(2)), Leq(Div(R...
NT
null
COUNT
sympy
B3
[ "B3" ]
0cd20d
diophantine_fbi2_count_v1
null
3
0
[ "B3" ]
1
0.008
2026-02-08T06:06:18.142016Z
{ "verified": true, "answer": 57552, "timestamp": "2026-02-08T06:06:18.149593Z" }
2a9aba
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": 2543 }, "timestamp": "2026-02-12T19:26:27.553Z", "answer": 57552 }, ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -5.55, "mid": -3.01, "hi": 0.32 }
73366c
nt_count_divisors_in_range_v1_898971024_541
Let $n = 50400$. Let $a = 1$ and let $b$ be the number of positive integers $n_1$ such that $1 \le n_1 \le m$, where $m$ is the number of positive integers $n_2$ not exceeding 5929 that are relatively prime to 10, and such that $\gcd(n_1, 15) = 1$. Compute the number of positive divisors $d$ of $n$ such that $a \le d \...
84
graphs = [ Graph( let={ "_n": Const(10), "n": Const(50400), "a": Const(1), "b": CountOverSet(set=SolutionsSet(var=Var("n1"), condition=And(Geq(Var("n1"), Const(1)), Leq(Var("n1"), CountOverSet(set=SolutionsSet(var=Var("n2"), condition=And(Geq(Var("n2"), Const(...
NT
null
COUNT
sympy
LIN_FORM
[ "C4/C4" ]
c66105
nt_count_divisors_in_range_v1
null
6
0
[ "C4", "LIN_FORM" ]
2
0.387
2026-02-08T15:31:48.397038Z
{ "verified": true, "answer": 84, "timestamp": "2026-02-08T15:31:48.783948Z" }
a4a85f
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 159, "completion_tokens": 2581 }, "timestamp": "2026-02-16T08:01:38.291Z", "answer": 84 }, { ...
1
[ { "lemma": "C4", "status": "ok" }, { "lemma": "K14", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
934dea
lin_form_endings_v1_717093673_2450
Let $a = 30$, $b = 45$, $A = 11$, and $B = 33$. Let $g$ be the greatest common divisor of $a$ and $b$. Define $n = \left\lfloor \frac{aA + bB - a - b}{g} \right\rfloor + 1$. Let $k = 13460$ and compute $s = k \cdot n$. Find the remainder when $s$ is divided by $79888$.
56,948
graphs = [ Graph( let={ "a_coeff": Const(30), "b_coeff": Const(45), "A_val": Const(11), "B_val": Const(33), "g_step": GCD(a=Ref("a_coeff"), b=Ref("b_coeff")), "numerator": Sub(Sum(Mul(Ref("a_coeff"), Ref("A_val")), Mul(Ref("b_coeff"), R...
COMB
NT
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
lin_form_endings_v1
null
2
null
[ "LIN_FORM" ]
1
0.001
2026-02-08T16:52:01.081298Z
{ "verified": true, "answer": 56948, "timestamp": "2026-02-08T16:52:01.082414Z" }
03ba63
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 152, "completion_tokens": 785 }, "timestamp": "2026-02-17T14:54:32.733Z", "answer": 56948 }, {...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status": "no...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
12d6a4
modular_sum_quadratic_residues_v1_898971024_1943
Let $p = 661$. Define $\text{result} = \frac{p(p-1)}{4}$. Let $P$ be the set of all prime numbers $n$ such that $2 \le n \le 9012$. Compute the remainder when $\left(\max(P)\right) \cdot \text{result}$ is divided by 78671.
26,583
graphs = [ Graph( let={ "_n": Const(4), "p": Const(661), "result": Div(Mul(Ref("p"), Sub(Ref("p"), Const(1))), Ref("_n")), "Q": Mod(value=Mul(MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Const(9012)), IsPrime(V...
NT
null
SUM
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW" ]
183c11
modular_sum_quadratic_residues_v1
affine_mod
4
0
[ "MAX_PRIME_BELOW" ]
1
0.002
2026-02-08T16:26:11.510375Z
{ "verified": true, "answer": 26583, "timestamp": "2026-02-08T16:26:11.511894Z" }
86a0a0
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": 1413 }, "timestamp": "2026-02-17T04:18:13.098Z", "answer": 26583 }, ...
1
[ { "lemma": "K13", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "V8", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
4c9b95_n
comb_count_surjections_v1_1218484723_1580
A school has 3 students and wants to assign them to exactly 2 non-empty study groups, but first computes a number $n$ based on Euler's totient function and floor division: $n = \sum_{k=1}^{3} \varphi(k) \cdot \left\lfloor \frac{3}{k} \right\rfloor$. The number of ways to partition $n$ labeled objects into 2 non-empty u...
62
COMB
null
COUNT
sympy
K2
[ "K2" ]
6897ab
comb_count_surjections_v1
null
3
null
[ "K2" ]
1
0.002
2026-02-25T03:19:05.794806Z
null
911fbb
4c9b95
narrative
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": 1106 }, "timestamp": "2026-03-30T17:03:51.276Z", "answer": 62 }, { "id"...
1
[ { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8_SUM", "status":...
{ "lo": -5.37, "mid": 0.23, "hi": 5.22 }
124146
nt_count_with_divisor_count_v1_1520064083_10264
Let $$ d = \sum_{k=1}^{4} \phi(k) \left\lfloor \frac{4}{k} \right\rfloor, $$ where $\phi$ denotes Euler's totient function. Determine the number of positive integers $n$ such that $1 \leq n \leq 33489$ and the number of positive divisors of $n$ is equal to $d$.
417
graphs = [ Graph( let={ "_n": Const(4), "upper": Const(33489), "div_count": Summation(var="k", start=Const(1), end=Ref("_n"), expr=Mul(EulerPhi(n=Var("k")), Floor(Div(Const(4), Var("k"))))), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(G...
NT
null
COUNT
sympy
K2
[ "K2" ]
6897ab
nt_count_with_divisor_count_v1
null
6
0
[ "K2" ]
1
2.057
2026-02-08T11:18:46.700283Z
{ "verified": true, "answer": 417, "timestamp": "2026-02-08T11:18:48.757703Z" }
52ad60
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": 2814 }, "timestamp": "2026-02-14T12:02:31.260Z", "answer": 417 }, { ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "V5", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
bcde5e
antilemma_k3_v1_677425708_3362
Let $x$ be the sum of $\phi(d)$ over all positive divisors $d$ of $69526$. Compute the remainder when $60645 \cdot x$ is divided by $74548$.
43,938
graphs = [ Graph( let={ "x": SumOverDivisors(n=Const(value=69526), var='d', expr=EulerPhi(n=Var(name='d'))), "_c": Const(60645), "Q": Mod(value=Mul(Ref("_c"), Ref("x")), modulus=Const(74548)), }, goal=Ref("Q"), ) ]
NT
COMB
COMPUTE
sympy
K3
[ "K3" ]
54c41e
antilemma_k3_v1
null
3
0
[ "K3" ]
1
0.001
2026-02-08T05:40:27.837520Z
{ "verified": true, "answer": 43938, "timestamp": "2026-02-08T05:40:27.838040Z" }
80f85b
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 89, "completion_tokens": 1009 }, "timestamp": "2026-02-12T12:20:25.106Z", "answer": 43938 }, {...
1
[ { "lemma": "K14", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "K3", "status": "ok" }, { "lemma": "L3b", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
32ea57
comb_count_partitions_v1_1978505735_6993
Let $N = 44121$. Define $n$ to be the number of integers $t$ with $11 \le t \le 56$ such that there exist positive integers $a$ and $b$ with $1 \le a \le 16$, $1 \le b \le 6$, and $t = 2a + 3b + 6$. Let $p(n)$ denote the number of integer partitions of $n$. Compute the remainder when $N \cdot p(n)$ is divided by $79558...
23,155
graphs = [ Graph( let={ "_n": Const(44121), "n": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=16)), Geq(left=V...
COMB
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
comb_count_partitions_v1
null
6
0
[ "LIN_FORM" ]
1
0.002
2026-02-08T19:57:57.737017Z
{ "verified": true, "answer": 23155, "timestamp": "2026-02-08T19:57:57.738869Z" }
3c1d44
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 176, "completion_tokens": 6276 }, "timestamp": "2026-02-18T23:47:56.411Z", "answer": 23155 }, ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -3.12, "mid": 1.47, "hi": 6.57 }
a09d4c
geo_count_lattice_rect_v1_1440796553_1490
Compute the number of lattice points $(x, y)$ such that $0 \leq x \leq 225$ and $0 \leq y \leq 288$.
65,314
graphs = [ Graph( let={ "a": Const(225), "b": Const(288), "result": LatticePointsRect(a=Ref(name='a'), b=Ref(name='b')), }, goal=Ref("result"), ) ]
GEOM
null
COUNT
sympy
[]
geo_count_lattice_rect_v1
null
3
0
null
null
0.001
2026-02-08T14:01:57.201094Z
{ "verified": true, "answer": 65314, "timestamp": "2026-02-08T14:01:57.201692Z" }
d7ad61
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 148, "completion_tokens": 188 }, "timestamp": "2026-02-24T19:33:37.078Z", "answer": 65314 }, { "i...
1
[]
{ "lo": -5.09, "mid": -2.97, "hi": -0.71 }
994e61
diophantine_product_count_v1_1520064083_4258
Let $n = \sum_{k=1}^{5} k$. Define $k = \sum_{i=1}^{n} \phi(i) \cdot \left\lfloor \frac{15}{i} \right\rfloor$, where $\phi$ denotes Euler's totient function. Let $S$ be the set of all integers $x$ such that $1 \leq x \leq 60$, $x$ divides $k$, and $\frac{k}{x} \leq 60$. Compute the number of elements in $S$.
14
graphs = [ Graph( let={ "_n": Summation(var="k", start=Const(1), end=Const(5), expr=Var("k")), "k": Summation(var="k", start=Const(1), end=Ref("_n"), expr=Mul(EulerPhi(n=Var("k")), Floor(Div(Const(15), Var("k"))))), "upper": Const(60), "result": CountOverSet(s...
NT
null
COUNT
sympy
SUM_ARITHMETIC
[ "SUM_ARITHMETIC/K2" ]
06cc86
diophantine_product_count_v1
null
6
0
[ "K2", "SUM_ARITHMETIC" ]
2
0.006
2026-02-08T06:10:37.653632Z
{ "verified": true, "answer": 14, "timestamp": "2026-02-08T06:10:37.659554Z" }
c6869b
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": 991 }, "timestamp": "2026-02-12T21:15:51.048Z", "answer": 14 }, { ...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K2", "status": "ok_later" }, { "lemma": "SUM_ARITHMETIC", "status": "ok" }, { "lemma": "V1", "sta...
{ "lo": -5.55, "mid": -3.01, "hi": 0.32 }
8ec31e_l
nt_max_prime_below_v1_1116507919_226
Let $S$ be the set of all ordered pairs $(p, q)$ of positive integers such that $p \cdot q = 36$, $\gcd(p, q) = 1$, and $p < q$. Let $a = |S|$. Let $T$ be the set of all prime numbers $n$ such that $a \leq n \leq 18769$. Determine the value of the largest element in $T$.
18,749
NT
null
EXTREMUM
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS" ]
2bb3aa
nt_max_prime_below_v1
null
4
0
[ "COPRIME_PAIRS" ]
1
0.401
2026-02-08T02:29:18.698313Z
{ "verified": false, "answer": 18757, "timestamp": "2026-02-08T02:29:19.099184Z" }
bcef0b
8ec31e
legacy_text
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 210, "completion_tokens": 3214 }, "timestamp": "2026-02-08T19:15:15.846Z", "answer": 18757 }, { "...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V8", "status": "no" } ]
{ "lo": 0.06, "mid": 1.74, "hi": 3.24 }
937532
nt_count_divisors_in_range_v1_655260480_4152
Let $m = 69216$. Define $n'$ to be the sum of all real solutions $x$ to the equation $x^2 - 1690x + m = 0$. Let $n = 10080$, $a = 15$, and $b$ be the sum of $\phi(d)$ over all positive divisors $d$ of $n'$. Compute the number of positive divisors $d_1$ of $n$ such that $a \leq d_1 \leq b$.
55
graphs = [ Graph( let={ "_m": Const(69216), "_n": SumOverSet(set=SolutionsSet(var=Var("x"), condition=Eq(Sum(Pow(Var("x"), Const(2)), Mul(Const(-1690), Var("x")), Ref("_m")), Const(0)))), "n": Const(10080), "a": Const(15), "b": SumOverDivisors(n=Re...
NT
null
COUNT
sympy
B3
[ "VIETA_SUM/K3" ]
9d9c7a
nt_count_divisors_in_range_v1
null
5
0
[ "B3", "K3", "VIETA_SUM" ]
3
0.039
2026-02-08T17:45:51.557167Z
{ "verified": true, "answer": 55, "timestamp": "2026-02-08T17:45:51.596348Z" }
ca4bdb
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": 2681 }, "timestamp": "2026-02-18T07:47:42.554Z", "answer": 55 }, { ...
1
[ { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K3", "status": "ok_later" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" }, ...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
e959c7
nt_count_intersection_v1_2051736721_2307
Let $N = 100000$. Let $a$ be the largest positive integer $d$ such that $d \leq 11$ and $d$ divides 143. Let $b = 14$. Define $S$ as the set of all positive integers $n$ such that $1 \leq n \leq N$, $a$ divides $n$, and $\gcd(n, b) = 1$. Compute the number of elements in $S$. Let $c = 31567$. Find the remainder when $c...
10,565
graphs = [ Graph( let={ "N": Const(100000), "a": MaxOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(1)), Leq(Var("d"), Const(11)), Divides(divisor=Var("d"), dividend=Const(143))))), "b": Const(14), "result": CountOverSet(set=SolutionsS...
NT
null
COUNT
sympy
MAX_DIVISOR
[ "MAX_DIVISOR" ]
51757e
nt_count_intersection_v1
null
4
0
[ "MAX_DIVISOR" ]
1
4.494
2026-02-08T16:33:56.305384Z
{ "verified": true, "answer": 10565, "timestamp": "2026-02-08T16:34:00.799485Z" }
ce4eda
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 174, "completion_tokens": 1403 }, "timestamp": "2026-02-17T06:38:11.645Z", "answer": 10565 }, ...
1
[ { "lemma": "L3b", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_DIVISOR", "status": "ok" }, { "lemma": "V1", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
5d33b4
sequence_count_fib_divisible_v1_601307018_4897
Let $F_n$ denote the $n$-th Fibonacci number. Find the number of positive integers $n$ with $1 \le n \le 466$ such that $3 \mid F_n$.
116
graphs = [ Graph( let={ "upper": Const(466), "d": Const(3), "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')))))), }, go...
NT
null
COUNT
sympy
SUM_GEOM
[ "SUM_GEOM/K13" ]
a934f5
sequence_count_fib_divisible_v1
null
5
0
[ "K13", "SUM_GEOM" ]
2
0.505
2026-03-10T05:36:59.690436Z
{ "verified": true, "answer": 116, "timestamp": "2026-03-10T05:37:00.195221Z" }
d07985
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 154, "completion_tokens": 1103 }, "timestamp": "2026-03-29T13:47:56.859Z", "answer": 116 }, { "id...
1
[ { "lemma": "K13", "status": "ok_later" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "SUM_GEOM", "status": "ok" }, { "lemma": "V3", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemm...
{ "lo": -3.34, "mid": 0.9, "hi": 4.9 }
11e9b7
nt_sum_over_divisible_v1_784195855_1523
Let $S$ be the set of all positive integers $n$ such that $n \leq 46360$ and $n$ is divisible by $136$. Let $r$ be the sum of all elements in $S$. Compute the remainder when $89451 \cdot r$ is divided by $62816$.
37,456
graphs = [ Graph( let={ "upper": Const(46360), "divisor": Const(136), "result": SumOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("upper")), Eq(Mod(value=Var("n"), modulus=Ref("divisor")), Const(0))))), "_c": Co...
NT
null
SUM
sympy
C3
[ "C3/B3" ]
9118ce
nt_sum_over_divisible_v1
null
3
0
[ "B3", "C3" ]
2
2.603
2026-02-08T05:06:13.809768Z
{ "verified": true, "answer": 37456, "timestamp": "2026-02-08T05:06:16.412726Z" }
ecd860
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 178, "completion_tokens": 2309 }, "timestamp": "2026-02-11T22:56:38.506Z", "answer": 37456 }, { ...
1
[ { "lemma": "B3", "status": "ok_later" }, { "lemma": "C2", "status": "no" }, { "lemma": "C3", "status": "ok" }, { "lemma": "K16", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemm...
{ "lo": -3.42, "mid": 1.86, "hi": 7.55 }
634c45
antilemma_sum_factor_cartesian_v1_784195855_574
Let $S$ be the set of all ordered pairs $(i, j)$ with $i$ an integer from $1$ to $17$ and $j$ an integer from $1$ to $6$. For each such pair, compute the product $i \cdot j$, and let $x$ be the sum of all these products. Let $k = |x| \bmod 11$. Compute the $k$-th Bell number, which is the number of partitions of a set ...
1
graphs = [ Graph( let={ "x": SumOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=Const(1), domain=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(17)), right=IntegerRange(start=Const(1), end=Const(6)))), expr=Mul(Var("i"), Var("j")))), ...
NT
COMB
COMPUTE
sympy
MIN_PRIME_FACTOR
[ "SUM_FACTOR_CARTESIAN" ]
d9e436
antilemma_sum_factor_cartesian_v1
null
3
0
[ "MIN_PRIME_FACTOR", "SUM_FACTOR_CARTESIAN" ]
2
0.019
2026-02-08T04:28:37.218159Z
{ "verified": true, "answer": 1, "timestamp": "2026-02-08T04:28:37.237190Z" }
6264cd
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 1, "correct": { "strict": false, "boxed": false, "relaxed": true }, "usage": { "prompt_tokens": 202, "completion_tokens": 649 }, "timestamp": "2026-02-18T11:40:53.894Z", "answer": 137648 } ]
0
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "SUM_FACTOR_CARTESIAN",...
{ "lo": -6.48, "mid": 1.54, "hi": 9.56 }
0f9326
algebra_poly_eval_v1_601307018_10759
Let $b$ be the number of non-negative integers $j$ with $0 \le j \le 32842$ such that $\binom{32842}{j} \bmod 2 = 1$. Compute $8b^3 - 9b^2 + 9b + 7$.
30,615
graphs = [ Graph( let={ "_n": Const(7), "b": CountOverSet(set=SolutionsSet(var=Var("j"), condition=And(Geq(Var("j"), Const(0)), Leq(Var("j"), Const(32842)), Eq(Mod(value=Binom(n=Const(32842), k=Var("j")), modulus=Const(2)), Const(1))), domain='nonnegative_integers')), "re...
ALG
COMB
COMPUTE
sympy
POLY_ORBIT_LEGENDRE
[ "V8" ]
86348e
algebra_poly_eval_v1
null
4
0
[ "POLY_ORBIT_LEGENDRE", "V8" ]
2
0.006
2026-03-10T11:13:45.917390Z
{ "verified": true, "answer": 30615, "timestamp": "2026-03-10T11:13:45.923483Z" }
865865
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 176, "completion_tokens": 808 }, "timestamp": "2026-04-19T14:38:39.306Z", "answer": 30615 }, { "...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "V8", "status": "ok...
{ "lo": -5.34, "mid": 1.1, "hi": 7.53 }
f9daae
antilemma_k3_v1_48377204_2728
Let $n = 92844$. Compute the sum of $\phi(d)$ over all positive divisors $d$ of $n$, where $\phi$ denotes Euler's totient function.
92,844
graphs = [ Graph( let={ "_n": Const(92844), "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
0.001
2026-02-08T16:56:31.920341Z
{ "verified": true, "answer": 92844, "timestamp": "2026-02-08T16:56:31.921254Z" }
d451e3
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 1, "correct": { "strict": false, "boxed": false, "relaxed": true }, "usage": { "prompt_tokens": 100, "completion_tokens": 572 }, "timestamp": "2026-02-16T08:38:50.572Z", "answer": 10896 }, { "id": 11,...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K3", "status": "ok" }, { "lemma": "K5", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V8", "status": "no" } ]
{ "lo": -8.26, "mid": -5.01, "hi": -1.76 }
b5866f
diophantine_fbi2_count_v1_1125832087_2448
Let $S$ be the set of all positive integers $p$ for which there exists a positive integer $q$ such that $pq = 54$, $\gcd(p, q) = 1$, and $p < q$. Let $m$ be the number of elements in $S$. Let $D$ be the set of all positive divisors $d$ of $420$ such that $d \leq 78$, $\frac{420}{d} \geq 4$, and $\frac{420}{d} \leq 80$....
26
graphs = [ Graph( let={ "_n": Const(78), "k": Const(420), "result": CountOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), CountOverSet(set=SolutionsSet(var=Var("p"), condition=And(IsPositive(arg=Var(name='p')), Exists(var=Var(name='q'), condition=And(Eq(...
NT
null
COUNT
sympy
MOBIUS_COPRIME
[ "COPRIME_PAIRS" ]
2bb3aa
diophantine_fbi2_count_v1
null
6
0
[ "COPRIME_PAIRS", "MOBIUS_COPRIME" ]
2
0.127
2026-02-08T04:37:23.275885Z
{ "verified": true, "answer": 26, "timestamp": "2026-02-08T04:37:23.402488Z" }
083c5d
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 292, "completion_tokens": 2051 }, "timestamp": "2026-02-10T17:22:38.879Z", "answer": 26 }, { "id...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "VAL_SUM_EQ", ...
{ "lo": -5.55, "mid": -3.01, "hi": 0.33 }
2de8bb
comb_count_surjections_v1_458359167_3493
Let $n$ be the number of ordered pairs $(i,j)$ of positive integers such that $i + j = 8$, $1 \le i \le 7$, and $1 \le j \le 8$. Let $k = 4$. Compute $k! \cdot S(n, k)$, where $S(n, k)$ denotes the Stirling number of the second kind. Find the value of this expression.
8,400
graphs = [ Graph( let={ "n": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=Eq(Sum(Var("i"), Var("j")), Const(8)), domain=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(7)), right=IntegerRange(start=Const(1), end=Const(8))))), "k": Con...
COMB
null
COUNT
sympy
COUNT_SUM_EQUALS
[ "COUNT_SUM_EQUALS" ]
75ab0f
comb_count_surjections_v1
null
3
0
[ "COUNT_SUM_EQUALS" ]
1
0.011
2026-02-08T08:23:29.484706Z
{ "verified": true, "answer": 8400, "timestamp": "2026-02-08T08:23:29.495881Z" }
90b38e
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 202, "completion_tokens": 1549 }, "timestamp": "2026-02-24T09:27:39.147Z", "answer": 8400 }, { "i...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "V8", ...
{ "lo": -3.84, "mid": -1.67, "hi": 1.32 }
6c9902
lte_diff_endings_v1_124444284_705
Let $a = 82$, $b = 1$, $p = 3$, and $n = 53083$. Define $d = a - b$, and let $v_p(d)$ be the largest integer $k$ such that $p^k$ divides $d$. Let $C = v_p(d)$. Compute the remainder when $n \cdot C + v_p(n!)$ is divided by $100000$, where $v_p(n!)$ is the largest integer $k$ such that $p^k$ divides $n!$.
38,869
graphs = [ Graph( let={ "a_val": Const(82), "b_val": Const(1), "p_val": Const(3), "n_val": Const(53083), "ab_diff": Sub(Ref("a_val"), Ref("b_val")), "vp_ab": MaxKDivides(target=Ref("ab_diff"), base=Ref("p_val")), "n_times_C"...
NT
null
COMPUTE
sympy
LTE_DIFF
[ "LTE_DIFF" ]
cf8260
lte_diff_endings_v1
null
5
null
[ "LTE_DIFF" ]
1
0.001
2026-02-08T03:27:36.551639Z
{ "verified": true, "answer": 38869, "timestamp": "2026-02-08T03:27:36.552304Z" }
764f3e
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 228, "completion_tokens": 1604 }, "timestamp": "2026-02-09T20:50:53.646Z", "answer": 38880 }, { ...
1
[ { "lemma": "L3c", "status": "no" }, { "lemma": "LTE_DIFF", "status": "ok" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": 1.69, "mid": 5.03, "hi": 8.38 }
c9c00f
modular_sum_quadratic_residues_v1_798873815_357
Let $n$ be the largest prime number not exceeding 18. Let $p$ be the largest integer such that $n^p$ divides $$ 28351092476867700887730107366063041 \times 664922854477460304521274345132525020049169433616579424626190476175164425470051684475963537. $$ Compute $\frac{p(p-1)}{4}$.
2,525
graphs = [ Graph( let={ "_m": Const(4), "_n": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Const(18)), IsPrime(Var("n"))))), "p": MaxKDivides(target=Mul(Const(28351092476867700887730107366063041), Const(6649228544774603045...
NT
null
SUM
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW/K13" ]
b92fdf
modular_sum_quadratic_residues_v1
null
5
0
[ "K13", "MAX_PRIME_BELOW" ]
2
0.002
2026-02-08T02:36:46.230436Z
{ "verified": true, "answer": 2525, "timestamp": "2026-02-08T02:36:46.232558Z" }
fd2ebb
CC BY 4.0
[ { "id": 4, "model": "NousResearch/Hermes-4-405B", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 151, "completion_tokens": 391 }, "timestamp": "2026-02-08T23:34:17.981Z", "answer": 0 }, {...
0
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K13", "status": "ok_later" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "V1", "status": "no"...
{ "lo": -1.65, "mid": 3.89, "hi": 9.61 }
269b35
diophantine_fbi2_min_v1_124444284_2303
Let $n$ be the minimum value of $x + y$ over all pairs of positive integers $(x, y)$ such that $xy = 82944$. Let $k$ be the minimum value of $x + y$ over all pairs of positive integers $(x, y)$ such that $xy = n$. Let $u$ be the number of positive integers $k$ between $1$ and $1682$ inclusive that are divisible by $29$...
2
graphs = [ Graph( let={ "_c": Const(2), "_m": Const(2), "_n": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Mul(Var("x"), Var("y")), Const(82944)))), expr...
NT
null
EXTREMUM
sympy
B3
[ "B3/B3", "C2" ]
a61a4e
diophantine_fbi2_min_v1
null
6
0
[ "B3", "C2" ]
2
0.011
2026-02-08T04:35:36.921173Z
{ "verified": true, "answer": 2, "timestamp": "2026-02-08T04:35:36.932374Z" }
6d7667
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": 1299 }, "timestamp": "2026-02-10T17:15:08.839Z", "answer": 2 }, { "id"...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "C2", "status": "ok" }, { "lemma": "K16", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "V7", ...
{ "lo": -7.01, "mid": -4.68, "hi": -2.15 }
4a9f74
sequence_fibonacci_compute_v1_1918700295_955
Let $S$ be the set of all ordered pairs $(i,j)$ such that $i$ is an integer with $1 \leq i \leq 4$ and $j$ is an integer with $1 \leq j \leq 6$. Let $n$ be the number of elements in $S$. Compute the $n$-th Fibonacci number, where the Fibonacci sequence is defined by $F_1 = 1$, $F_2 = 1$, and $F_k = F_{k-1} + F_{k-2}$ f...
46,368
graphs = [ Graph( let={ "n": CountOverSet(set=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(4)), right=IntegerRange(start=Const(1), end=Const(6)))), "result": Fibonacci(arg=Ref(name='n')), }, goal=Ref("result"), ) ]
NT
null
COMPUTE
sympy
COUNT_CARTESIAN
[ "COUNT_CARTESIAN" ]
409d7d
sequence_fibonacci_compute_v1
null
2
0
[ "COUNT_CARTESIAN" ]
1
0
2026-02-08T05:24:29.853306Z
{ "verified": true, "answer": 46368, "timestamp": "2026-02-08T05:24:29.853785Z" }
295ea6
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": 764 }, "timestamp": "2026-02-12T07:56:35.582Z", "answer": 46368 }, {...
1
[ { "lemma": "COUNT_CARTESIAN", "status": "ok" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "V3", "status": "no" ...
{ "lo": -7.01, "mid": -4.68, "hi": -2.15 }
8f8403
alg_poly_orbit_count_v1_601307018_1936
For a non-negative integer $a$, define $N = a^3 \bmod 31$, $M = N^3 \bmod 31$, $R = M^3 \bmod 31$, and $S = R^3 \bmod 31$. Find the number of integers $a$ with $0 \le a \le 46995$ such that $S = a$, but $N \ne a$, $M \ne a$, and $R \ne a$.
12,128
graphs = [ Graph( let={ "p1": Mod(value=Pow(Var("a"), Const(3)), modulus=Const(31)), "p2": Mod(value=Pow(Ref("p1"), Const(3)), modulus=Const(31)), "p3": Mod(value=Pow(Ref("p2"), Const(3)), modulus=Const(31)), "p4": Mod(value=Pow(Ref("p3"), Const(3)), modulus=C...
ALG
null
COUNT
sympy
POLY_ORBIT_COUNT
[ "POLY_ORBIT_COUNT" ]
4ad965
alg_poly_orbit_count_v1
null
5
null
[ "POLY_ORBIT_COUNT" ]
1
0.014
2026-03-10T02:42:13.711605Z
{ "verified": true, "answer": 12128, "timestamp": "2026-03-10T02:42:13.725392Z" }
8d7539
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 215, "completion_tokens": 6932 }, "timestamp": "2026-03-29T03:53:14.078Z", "answer": 8 }, { "i...
0
[ { "lemma": "POLY_ORBIT_COUNT", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": 3.99, "mid": 6.11, "hi": 9.15 }
6aef6f
sequence_fibonacci_compute_v1_865884756_1103
Let $n$ be the number of integers $t$ with $18 \leq t \leq 78$ such that there exist positive integers $a \leq 9$ and $b \leq 3$ satisfying $t = 4a + 14b$. Let $\text{result} = F_n$, the $n$-th Fibonacci number, where $F_1 = F_2 = 1$ and $F_{m} = F_{m-1} + F_{m-2}$ for $m > 2$. Let $Q$ be the remainder when $45179 \cdo...
32,955
graphs = [ Graph( let={ "_n": Const(71885), "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=9)), Geq(left=Va...
NT
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
sequence_fibonacci_compute_v1
null
4
0
[ "LIN_FORM" ]
1
0.005
2026-02-08T15:47:34.556790Z
{ "verified": true, "answer": 32955, "timestamp": "2026-02-08T15:47:34.561671Z" }
9f4c89
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": 2465 }, "timestamp": "2026-02-16T13:36:43.218Z", "answer": 32955 }, ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "V8", "status": "n...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
46b289
nt_min_with_divisor_count_v1_717093673_2198
Let $S$ be the set of all ordered pairs $(x, y)$ of positive integers such that $xy = 777924$. Define $A$ to be the minimum value of $x + y$ over all such pairs. Let $D$ be the number of positive integers $p$ for which there exists a positive integer $q$ such that $pq = 18$, $\gcd(p, q) = 1$, and $p < q$. Determine the...
2
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(777924)))), expr=Sum(Var("x"), Var("y")))), "div_count":...
NT
null
EXTREMUM
sympy
MIN_PRIME_FACTOR
[ "COPRIME_PAIRS", "B3" ]
1999ea
nt_min_with_divisor_count_v1
null
5
0
[ "B3", "COPRIME_PAIRS", "MIN_PRIME_FACTOR" ]
3
5.341
2026-02-08T16:36:36.475026Z
{ "verified": true, "answer": 2, "timestamp": "2026-02-08T16:36:41.816406Z" }
a4a86c
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 180, "completion_tokens": 1405 }, "timestamp": "2026-02-17T08:18:01.383Z", "answer": 2 }, { ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "L3c", "status": ...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
3b3b81
nt_min_coprime_above_v1_1125832087_146
Let $m = 14$ and $n = 8$. Let $A$ be the number of positive integers $k$ such that $1 \leq k \leq 6831$ and $\gcd(k, m) = 1$. Let $B$ be the number of positive integers $j$ such that $1 \leq j \leq A$ and $n$ divides $F_j$, where $F_j$ is the $j$-th Fibonacci number. Let $S$ be the set of integers $x$ such that $44521 ...
44,523
graphs = [ Graph( let={ "_m": Const(14), "_n": Const(8), "start": Const(44521), "upper": Const(45019), "modulus": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), CountOverSet(set=SolutionsSet(var=Var...
NT
null
EXTREMUM
sympy
C4
[ "C4/COUNT_FIB_DIVISIBLE" ]
9b27b7
nt_min_coprime_above_v1
null
7
0
[ "C4", "COUNT_FIB_DIVISIBLE" ]
2
0.043
2026-02-08T02:54:06.947723Z
{ "verified": true, "answer": 44523, "timestamp": "2026-02-08T02:54:06.990423Z" }
998690
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 260, "completion_tokens": 1460 }, "timestamp": "2026-02-10T11:47:10.998Z", "answer": 44523 }, { "...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "C4", "status": "ok" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "ok_later" }, { "lemma": "K14", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "l...
{ "lo": -3.79, "mid": -1.07, "hi": 1.44 }
29b6b5
comb_sum_binomial_row_v1_1218484723_3314
Compute the 15th 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 $.
32,768
graphs = [ Graph( let={ "_n": Const(3), "n": Const(15), "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(Ref("_n"), Pow(Var("a"), Const(3))), Mul...
COMB
null
SUM
sympy
POLY_ORBIT_COUNT
[ "POLY_ORBIT_COUNT" ]
4ad965
comb_sum_binomial_row_v1
null
4
0
[ "POLY_ORBIT_COUNT" ]
1
0.001
2026-02-25T04:59:51.255144Z
{ "verified": true, "answer": 32768, "timestamp": "2026-02-25T04:59:51.256607Z" }
e18243
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": 32768 }, "timestamp": "2026-03-29T09:35:32.324Z", "answer": null }, { ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "POLY_ORBIT_COUNT", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "...
{ "lo": 1.55, "mid": 4.7, "hi": 7.23 }
02e1bb
sequence_count_fib_divisible_v1_124444284_7623
Let $T$ be the set of all integers $t$ such that $7 \leq t \leq 339$ and there exist positive integers $a$, $b$ with $1 \leq a \leq 67$, $1 \leq b \leq 41$, and $t = 2a + 5b$. Let $\upper$ be the number of elements in $T$. Determine the number of positive integers $n$ such that $1 \leq n \leq \upper$ and the $n$-th Fib...
82
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=67)), Geq(left=Var(name='b'), right=Const(va...
NT
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
sequence_count_fib_divisible_v1
null
5
0
[ "LIN_FORM" ]
1
0.016
2026-02-08T09:13:39.276534Z
{ "verified": true, "answer": 82, "timestamp": "2026-02-08T09:13:39.292601Z" }
6df859
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": 2917 }, "timestamp": "2026-02-14T02:01:44.785Z", "answer": 82 }, { ...
1
[ { "lemma": "L3c", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "V3", "status": "no" }, { "lemma": "V5", "status": "no" } ]
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
02ce68
lin_form_endings_v1_1520064083_9779
Let $a = 28$ and $b = 20$. Define $g = \gcd(a, b)$, $a' = \left\lfloor \frac{a}{g} \right\rfloor$, and $b' = \left\lfloor \frac{b}{g} \right\rfloor$. Let $A = 7$ and $B = 13$. Let $T$ be the set of all numbers of the form $ax + by$ where $1 \leq x \leq A$ and $1 \leq y \leq B$. The size of $T$ is given by $a'A + b'B - ...
19,098
graphs = [ Graph( let={ "a_coeff": Const(28), "b_coeff": Const(20), "A_val": Const(7), "B_val": Const(13), "g_step": GCD(a=Ref("a_coeff"), b=Ref("b_coeff")), "ap_node": Floor(Div(Ref("a_coeff"), Ref("g_step"))), "bp_node": F...
COMB
NT
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
lin_form_endings_v1
null
5
null
[ "LIN_FORM" ]
1
0.002
2026-02-08T11:00:21.625260Z
{ "verified": true, "answer": 19098, "timestamp": "2026-02-08T11:00:21.627031Z" }
4ce1df
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 260, "completion_tokens": 1169 }, "timestamp": "2026-02-14T09:54:13.167Z", "answer": 19098 }, ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
3e9c05
antilemma_sum_equals_v1_898971024_544
Let $x$ be the number of ordered pairs $(i, j)$ of positive integers such that $i \le 52$, $j \le 53$, and $i + j = 53$. Let $c$ be the number of ordered pairs $(a, b)$ such that $1 \le a \le 64$ and $1 \le b \le 128$. Let $s = \sum_{i=0}^{t-1} d_i (i+1)^2$, where $d_i$ is the $i$-th decimal digit of $x$ (starting from...
8,214
graphs = [ Graph( let={ "_n": Const(53), "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(52)), right=IntegerRange(start=Const(1), end=Con...
COMB
GEOM
COMPUTE
sympy
COMB1
[ "COUNT_CARTESIAN", "COUNT_SUM_EQUALS" ]
f8b274
antilemma_sum_equals_v1
digits_weighted_mod
5
0
[ "COMB1", "COUNT_CARTESIAN", "COUNT_SUM_EQUALS" ]
3
0.117
2026-02-08T15:32:05.548317Z
{ "verified": true, "answer": 8214, "timestamp": "2026-02-08T15:32:05.665476Z" }
4ea1af
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 265, "completion_tokens": 755 }, "timestamp": "2026-02-24T17:57:14.594Z", "answer": 8214 }, { "i...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "ok" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "n...
{ "lo": -8.52, "mid": -5.43, "hi": -3.2 }
bd877e
nt_count_divisible_and_v1_1915831931_2617
Let $A$ be the set of all positive integers $n$ such that $1 \leq n \leq 102600$, $n$ is divisible by 8, and $n$ is divisible by 12. Let $k$ be the number of elements in $A$. Let $B$ be the set of all ordered pairs $(x, y)$ of positive integers such that $x \cdot y = 1428025$. Let $s$ be the minimum value of $x + y$ ov...
21,592
graphs = [ Graph( let={ "_n": Const(76087), "upper": Const(102600), "d1": Const(8), "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"), mo...
NT
null
COUNT
sympy
B3
[ "B3" ]
e0298c
nt_count_divisible_and_v1
affine_mod
5
0
[ "B3" ]
1
3.515
2026-02-08T16:59:09.998127Z
{ "verified": true, "answer": 21592, "timestamp": "2026-02-08T16:59:13.513497Z" }
373592
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 174, "completion_tokens": 1340 }, "timestamp": "2026-02-17T17:12:01.464Z", "answer": 21592 }, ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "V5", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
50ec9f
modular_sum_quadratic_residues_v1_809748730_793
Let $p$ be the largest prime number $n$ such that $2 \leq n \leq d$, where $d$ is the smallest divisor of $272483$ that is at least $2$. Let $r = \frac{p(p-1)}{4}$. Compute the remainder when $44121 \cdot r$ is divided by $58048$.
4,290
graphs = [ Graph( let={ "_n": Const(4), "p": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(2)), Divides(divisor=Var("d"), dividend=Const(272483)))))), IsPrime(...
NT
null
SUM
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR/MAX_PRIME_BELOW" ]
e4e16c
modular_sum_quadratic_residues_v1
null
3
0
[ "MAX_PRIME_BELOW", "MIN_PRIME_FACTOR" ]
2
0.005
2026-02-08T11:45:36.565122Z
{ "verified": true, "answer": 4290, "timestamp": "2026-02-08T11:45:36.569930Z" }
9376c9
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": 4242 }, "timestamp": "2026-02-14T18:31:06.609Z", "answer": 4290 }, {...
1
[ { "lemma": "K5", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok_later" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST",...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
9f1d05
algebra_poly_eval_v1_48377204_1901
Let $y = 12$. Define $c$ to be the number of positive integers $n$ such that $1 \leq n \leq 13908$ and $24$ divides the $n$-th Fibonacci number. Let $d$ be the minimum value of $x + y_1$ over all ordered pairs $(x, y_1)$ of positive integers such that $x y_1 = 6553600$. Compute the value of $$ \frac{49 \cdot y^5 + 126 ...
20,622
graphs = [ Graph( let={ "_m": Const(3), "_n": Const(2), "y": Const(12), "result": Div(Sum(Mul(Const(49), Pow(Ref("y"), Const(5))), Mul(Const(126), Pow(Ref("y"), Const(4))), Mul(Const(-1026), Pow(Ref("y"), Ref("_m"))), Mul(CountOverSet(set=SolutionsSet(var=Var(...
NT
null
COMPUTE
sympy
COUNT_FIB_DIVISIBLE
[ "COUNT_FIB_DIVISIBLE", "B3" ]
a63611
algebra_poly_eval_v1
null
7
0
[ "B3", "COUNT_FIB_DIVISIBLE" ]
2
0.012
2026-02-08T16:29:03.225567Z
{ "verified": true, "answer": 20622, "timestamp": "2026-02-08T16:29:03.238049Z" }
bbea2f
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 215, "completion_tokens": 5564 }, "timestamp": "2026-02-17T04:39:16.785Z", "answer": 20622 }, ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "ok" }, { "lemma": "K15", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { ...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
3d8196
comb_catalan_compute_v1_677425708_3800
Let $n$ be the number of ordered pairs $(i, j)$ of positive integers such that $1 \leq i \leq 11$, $1 \leq j \leq 12$, and $i + j = 12$. Compute the $n$-th Catalan number.
58,786
graphs = [ Graph( let={ "_n": Const(12), "n": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=Eq(Sum(Var("i"), Var("j")), Ref("_n")), domain=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(11)), right=IntegerRange(start=Const(1), end=Con...
COMB
null
COMPUTE
sympy
COUNT_SUM_EQUALS
[ "COUNT_SUM_EQUALS" ]
75ab0f
comb_catalan_compute_v1
null
5
0
[ "COUNT_SUM_EQUALS" ]
1
0.011
2026-02-08T05:56:37.884426Z
{ "verified": true, "answer": 58786, "timestamp": "2026-02-08T05:56:37.895205Z" }
a88793
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 174, "completion_tokens": 13051 }, "timestamp": "2026-02-24T04:57:08.211Z", "answer": 58786 }, { ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "V7", ...
{ "lo": -4.93, "mid": -2.91, "hi": -0.71 }
bcc740
nt_sum_divisors_range_v1_153355830_2170
Let $n = 2$ and let $U = 5041$. Define $R$ to be the sum of the number of positive divisors of each integer $m$ such that $1 \leq m \leq U$. Let $C$ be the number of positive integers $m$ such that $1 \leq m \leq 9991$ and $\gcd(m, 15) = 1$. Compute the remainder when $$ R^n + 32R + C $$ is divided by $77399$.
59,878
graphs = [ Graph( let={ "_n": Const(2), "upper": Const(5041), "result": SumOverSet(set=MapOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("upper")))), expr=NumDivisors(n=Var("n")))), "Q": Mod(value=Sum(Pow(Ref("r...
NT
null
SUM
sympy
C4
[ "C4" ]
40da2d
nt_sum_divisors_range_v1
quadratic_mod
5
0
[ "C4" ]
1
0.178
2026-02-08T06:57:19.506755Z
{ "verified": true, "answer": 59878, "timestamp": "2026-02-08T06:57:19.684676Z" }
14c4dc
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": 5150 }, "timestamp": "2026-02-13T06:44:55.526Z", "answer": 59878 }, ...
1
[ { "lemma": "C4", "status": "ok" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V8", "status": ...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }