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66d3e5
modular_mod_compute_v1_655260480_5765
Let $a$ be the number of positive integers $n$ at most $34560$ such that $1 + 2 + 3 + 4$ divides the $n$-th Fibonacci number. Compute the remainder when $a$ is divided by $33333$.
2,304
graphs = [ Graph( let={ "_n": Const(4), "a": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Const(34560)), Divides(divisor=Summation(var="k", start=Const(1), end=Ref("_n"), expr=Var("k")), dividend=Fibonacci(arg=Var(name='n')))))), ...
ALG
NT
COMPUTE
sympy
LIN_FORM
[ "SUM_ARITHMETIC/COUNT_FIB_DIVISIBLE" ]
a53b1f
modular_mod_compute_v1
null
6
0
[ "COUNT_FIB_DIVISIBLE", "LIN_FORM", "SUM_ARITHMETIC" ]
3
0.022
2026-02-08T18:39:13.616500Z
{ "verified": true, "answer": 2304, "timestamp": "2026-02-08T18:39:13.638366Z" }
b2b37b
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 103, "completion_tokens": 1064 }, "timestamp": "2026-02-18T18:26:24.685Z", "answer": 2304 }, {...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "ok_later" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "SUM_ARITHMETIC", "status": "ok" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
c0ec74_l
comb_sum_binomial_mod_v1_1742523217_177
Let $S$ be the sum $$ \sum_{k = A}^{B} \binom{285}{k}, $$ where $$ A = \sum_{k=1}^{4} \phi(k) \left\lfloor \frac{4}{k} \right\rfloor \quad\text{and}\quad B = \sum_{k=1}^{21} \phi(k) \left\lfloor \frac{21}{k} \right\rfloor. $$ Compute the remainder when $S$ is divided by $10597$.
0
NT
null
COMPUTE
sympy
K2
[ "K2" ]
6897ab
comb_sum_binomial_mod_v1
null
5
0
[ "K2" ]
1
0.039
2026-02-08T02:54:54.464057Z
{ "verified": false, "answer": 857, "timestamp": "2026-02-08T02:54:54.502708Z" }
0a020d
c0ec74
legacy_text
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 1, "correct": { "strict": false, "boxed": false, "relaxed": true }, "usage": { "prompt_tokens": 234, "completion_tokens": 32768 }, "timestamp": "2026-02-23T18:25:30.271Z", "answer": null }, { ...
0
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "LTE_DIFF", "status": "no" ...
{ "lo": 4.56, "mid": 6.51, "hi": 9.5 }
e00736
diophantine_fbi2_count_v1_971394319_2040
Determine the number of positive integers $d$ such that $3 \leq d \leq 102$, $d$ divides $180$, and the quotient $\frac{180}{d}$ satisfies $5 \leq \frac{180}{d} \leq 104$. Compute this number.
12
graphs = [ Graph( let={ "k": Const(180), "a": Const(2), "b": Const(4), "upper": Const(100), "result": CountOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(3)), Leq(Var("d"), Const(102)), Divides(divisor=Var("d"), dividend=R...
NT
null
COUNT
sympy
K14
[ "K14/B3" ]
646d8f
diophantine_fbi2_count_v1
null
3
0
[ "B3", "K14" ]
2
0.044
2026-02-08T14:05:41.952925Z
{ "verified": true, "answer": 12, "timestamp": "2026-02-08T14:05:41.996536Z" }
1d8fb4
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": 1407 }, "timestamp": "2026-02-16T00:12:08.478Z", "answer": 12 }, { ...
1
[ { "lemma": "B3", "status": "ok_later" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K14", "status": "ok" }, { "lemma": "K5", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { ...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
c798c8
nt_sum_totient_over_divisors_v1_1978505735_2153
Let $n$ be the number of integers $t \in [9, 2307]$ for which there exist positive integers $a \in [1, 331]$ and $b \in [1, 235]$ such that $t = 2a + 7b$. Compute $$ \sum_{d \mid n} \phi(d), $$ where $\phi$ denotes Euler's totient function.
2,293
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=331)), Geq(left=Var(name='b'), right=Const(value...
NT
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
nt_sum_totient_over_divisors_v1
null
5
0
[ "LIN_FORM" ]
1
0.007
2026-02-08T16:41:06.506443Z
{ "verified": true, "answer": 2293, "timestamp": "2026-02-08T16:41:06.513401Z" }
f9018d
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 132, "completion_tokens": 4906 }, "timestamp": "2026-02-17T11:12:48.741Z", "answer": 2293 }, {...
1
[ { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "V3", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
896caa
nt_min_crt_v1_1742523217_4098
Let $u = \sum_{k=1}^{8} k$. Find the minimum positive integer $n$ such that $n \leq u$, $n \equiv 2 \pmod{4}$, and $n \equiv 5 \pmod{9}$.
14
graphs = [ Graph( let={ "m": Const(4), "k": Const(9), "a": Const(2), "b": Const(5), "upper": Summation(var="k", start=Const(1), end=Const(8), expr=Var("k")), "result": MinOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n")...
NT
null
EXTREMUM
sympy
MIN_PRIME_FACTOR
[ "SUM_ARITHMETIC" ]
eb34f0
nt_min_crt_v1
null
4
0
[ "MIN_PRIME_FACTOR", "SUM_ARITHMETIC" ]
2
0.152
2026-02-08T06:59:54.295297Z
{ "verified": true, "answer": 14, "timestamp": "2026-02-08T06:59:54.447557Z" }
d74e6d
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 110, "completion_tokens": 301 }, "timestamp": "2026-02-15T18:48:44.757Z", "answer": 14 }, { "id": 11, ...
2
[ { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "SUM_ARITHMETIC", "status": "ok" }, { "lemma": "V5", "status": "no" }, { "lemma": "V8", "status": "no" ...
{ "lo": -10, "mid": -7.3, "hi": -4.61 }
a6ee1a
nt_sum_divisors_mod_v1_1520064083_3950
Let $n$ be the number of positive integers $t$ such that $24 \leq t \leq 1750$ and there exist positive integers $a$ and $b$ with $1 \leq a \leq 168$, $1 \leq b \leq 5$, and $t = 10a + 14b$. Let $\sigma$ be the sum of all positive divisors of $n$. Let $r$ be the remainder when $\sigma$ is divided by $11489$. Define $m ...
390
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=168)), Geq(left=Var(name='b'), right=Const(value...
NT
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
nt_sum_divisors_mod_v1
null
6
0
[ "LIN_FORM" ]
1
0.003
2026-02-08T05:59:32.598675Z
{ "verified": true, "answer": 390, "timestamp": "2026-02-08T05:59:32.601317Z" }
a7420a
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 193, "completion_tokens": 4453 }, "timestamp": "2026-02-12T17:59:24.544Z", "answer": 390 }, { ...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "V5", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
35cb4c
nt_count_digit_sum_v1_151522320_70
Let $T$ be the set of all integers $t$ such that $5 \leq t \leq 30$ and there exist positive integers $a \leq 3$ and $b \leq 8$ for which $t = 2a + 3b$. Let $s$ be the number of elements in $T$. Let $U$ be the set of all positive integers $n$ such that $1 \leq n \leq 39204$ and the sum of the decimal digits of $n$ is e...
1,969
graphs = [ Graph( let={ "upper": Const(39204), "target_sum": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=3)),...
NT
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
nt_count_digit_sum_v1
null
5
0
[ "LIN_FORM" ]
1
19.099
2026-02-08T02:56:31.020220Z
{ "verified": true, "answer": 1969, "timestamp": "2026-02-08T02:56:50.119374Z" }
b23667
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 247, "completion_tokens": 16142 }, "timestamp": "2026-02-23T20:04:20.466Z", "answer": 1949 }, { ...
1
[ { "lemma": "K15", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": 2.8, "mid": 4.67, "hi": 6.48 }
2bb2d3
nt_num_divisors_compute_v1_784195855_9053
Let $P$ be the set of all ordered pairs of positive integers $(x, y)$ such that $x + y = 154$. Let $n$ be the maximum value of $xy$ over all such pairs. Let $d$ be the number of positive divisors of $n$. Let $S_1$ be the set of all ordered pairs of positive odd integers $(x_1, x_2)$ such that $x_1 + x_2 = 194$, and let...
25,400
graphs = [ Graph( let={ "_n": Const(2), "n": MaxOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Sum(Var("x"), Var("y")), Const(154)))), expr=Mul(Var("x"), Var("y")))), ...
NT
null
COMPUTE
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR", "COMB1", "B1" ]
627ae5
nt_num_divisors_compute_v1
crt_mix_3
7
0
[ "B1", "COMB1", "MIN_PRIME_FACTOR" ]
3
0.012
2026-02-08T16:30:00.004992Z
{ "verified": true, "answer": 25400, "timestamp": "2026-02-08T16:30:00.016602Z" }
07cc9f
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 290, "completion_tokens": 2347 }, "timestamp": "2026-02-17T05:30:46.897Z", "answer": 25400 }, ...
1
[ { "lemma": "B1", "status": "ok" }, { "lemma": "COMB1", "status": "ok" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
435d14
nt_sum_over_divisible_v1_601307018_284
Let $S$ be the set of integers $v$ with $8 \le v \le 3530$ for which there exist integers $a, b$ satisfying $1 \le a, b \le 11$ and $10a^2 - 32ab + 32b^2 = v$. Let $N = |S|$. Let $T$ be the sum of all positive integers $n \le 1183$ such that $n \equiv 0 \pmod{N}$. Let $K$ be the sum of all positive integers $n_1 \le T$...
21,436
graphs = [ Graph( let={ "_m": Const(3530), "_n": Const(96416), "upper": SumOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Const(1183)), Eq(Mod(value=Var("n"), modulus=CountOverSet(set=SolutionsSet(var=Var("v"), condition=And(Ge...
NT
null
SUM
sympy
QF_PSD_DISTINCT
[ "QF_PSD_DISTINCT/SUM_DIVISIBLE" ]
61193f
nt_sum_over_divisible_v1
null
6
0
[ "QF_PSD_DISTINCT", "SUM_DIVISIBLE" ]
2
0.01
2026-03-10T00:50:10.628222Z
{ "verified": true, "answer": 21436, "timestamp": "2026-03-10T00:50:10.638083Z" }
720e62
CC BY 4.0
null
null
[ { "lemma": "C2", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "QF_PSD_DISTINCT", "status": "ok" }, { "lemma": "SUM_DIVISIBLE", "status": "ok_later" }, {...
{ "lo": -10, "mid": 0, "hi": 10 }
ff1c8f
nt_sum_gcd_range_mod_v1_458359167_137
Let $S$ be the set of positive divisors $d$ of $9292$ such that $1 \leq d \leq 92$. Define $N = \sum_{k=1}^{\max(S)} \phi(k) \left\lfloor \frac{92}{k} \right\rfloor$, where $\phi$ denotes Euler's totient function. Compute the sum $\sum_{n=1}^{N} \gcd(n, 168)$, and let $M = 10111$. Let $s$ be the remainder when this sum...
71,944
graphs = [ Graph( let={ "_m": Const(71824), "_n": Const(2), "N": Summation(var="k", start=Const(1), end=MaxOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(1)), Leq(Var("d"), Const(92)), Divides(divisor=Var("d"), dividend=Const(9292))))), expr=Mul(...
NT
null
COMPUTE
sympy
MAX_DIVISOR
[ "MAX_DIVISOR/K2" ]
3a721e
nt_sum_gcd_range_mod_v1
null
7
0
[ "K2", "MAX_DIVISOR" ]
2
0.36
2026-02-08T03:00:56.860959Z
{ "verified": true, "answer": 71944, "timestamp": "2026-02-08T03:00:57.221430Z" }
3137da
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 319, "completion_tokens": 7024 }, "timestamp": "2026-02-10T12:31:31.351Z", "answer": 71944 }, { "...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K2", "status": "ok_later" }, { "lemma": "K5", "status": "no" }, { "lemma": "MAX_DIVISOR", "status": "ok" }, { "lemma": "MAX_VAL", "st...
{ "lo": 1.66, "mid": 3.8, "hi": 5.62 }
d108ea
nt_count_divisors_in_range_v1_809748730_400
Let $x$ and $y$ be positive integers such that $xy = 14288400$. Let $n$ be the minimum value of $x + y$ over all such pairs. Let $b$ be the number of integers $t$ with $15 \leq t \leq 11385$ such that $t = 6a + 9b$ for some integers $a$ and $b$ satisfying $1 \leq a \leq 372$ and $1 \leq b \leq 1017$. Compute the remain...
5,759
graphs = [ Graph( let={ "_n": Const(58741), "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(14288400)))), expr=Sum(Var("x"), Var("y"...
NT
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM", "B3" ]
688dbe
nt_count_divisors_in_range_v1
null
5
0
[ "B3", "LIN_FORM" ]
2
0.073
2026-02-08T11:30:12.281692Z
{ "verified": true, "answer": 5759, "timestamp": "2026-02-08T11:30:12.354454Z" }
aafa7b
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 196, "completion_tokens": 4662 }, "timestamp": "2026-02-14T15:02:06.512Z", "answer": 5759 }, {...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" ...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
4df31b
comb_binomial_compute_v1_971394319_1203
Let $n = 13$ and let $k$ be the largest prime number $p$ such that $2 \leq p \leq 7$. Define $r = \binom{n}{k}$. Compute the remainder when $20 - r$ is divided by 89651. Find the value of this remainder.
87,955
graphs = [ Graph( let={ "n": Const(13), "k": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Const(7)), IsPrime(Var("n"))))), "result": Binom(n=Ref("n"), k=Ref("k")), "_c": Const(20), "Q": Mod(value=Su...
NT
null
COMPUTE
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW" ]
dc3ad3
comb_binomial_compute_v1
null
2
0
[ "MAX_PRIME_BELOW" ]
1
0.001
2026-02-08T13:31:45.419043Z
{ "verified": true, "answer": 87955, "timestamp": "2026-02-08T13:31:45.420510Z" }
93f45d
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 129, "completion_tokens": 808 }, "timestamp": "2026-02-16T04:50:29.921Z", "answer": 177606 }, { "id": 1...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "VAL_SUM_EQ", "status": "no" ...
{ "lo": -8.26, "mid": -5.01, "hi": -1.76 }
d30528
comb_count_permutations_fixed_v1_1915831931_1636
Let $n$ be the number of ordered pairs $(i, j)$ of integers with $1 \leq i \leq 10$ and $1 \leq j \leq 10$ such that $i + j = 10$. Let $k = 5$. Compute the remainder when $33203 \cdot \binom{n}{k} \cdot !(n - k)$ is divided by $51195$, where $!m$ denotes the subfactorial of $m$. Enter your answer as an integer between ...
23,877
graphs = [ Graph( let={ "n": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=Eq(Sum(Var("i"), Var("j")), Const(10)), domain=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(10)), right=IntegerRange(start=Const(1), end=Const(10))))), "k": ...
COMB
null
COUNT
sympy
COUNT_SUM_EQUALS
[ "COUNT_SUM_EQUALS" ]
75ab0f
comb_count_permutations_fixed_v1
null
4
0
[ "COUNT_SUM_EQUALS" ]
1
0.017
2026-02-08T16:19:00.780129Z
{ "verified": true, "answer": 23877, "timestamp": "2026-02-08T16:19:00.797474Z" }
706b1d
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 232, "completion_tokens": 1162 }, "timestamp": "2026-02-24T20:47:16.552Z", "answer": 23877 }, { ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -2.4, "mid": 1.57, "hi": 5.75 }
3dba8a
modular_sum_quadratic_residues_v1_1470522791_1111
Let $m = 4$ and $n = 2$. Let $S$ be the set of all ordered pairs $(x, y)$ of positive integers such that $x \cdot y = 114921$. For each such pair, compute $x + y$, and let $s_{\min}$ be the smallest such sum. Let $p$ be the largest prime number satisfying $2 \leq p \leq s_{\min}$. Define $r = \frac{p(p-1)}{m}$. Compute...
55,877
graphs = [ Graph( let={ "_m": Const(4), "_n": Const(2), "p": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Ref("_n")), Leq(Var("n"), MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=V...
NT
null
SUM
sympy
B3
[ "B3/MAX_PRIME_BELOW" ]
f253c0
modular_sum_quadratic_residues_v1
null
6
0
[ "B3", "MAX_PRIME_BELOW" ]
2
0.004
2026-02-08T13:26:17.254311Z
{ "verified": true, "answer": 55877, "timestamp": "2026-02-08T13:26:17.258182Z" }
1da40c
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": 1313 }, "timestamp": "2026-02-15T15:40:28.458Z", "answer": 55877 }, ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "K16", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok_later" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V5", "status": "no" }, { ...
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
1366fb
comb_bell_compute_v1_1874849503_1644
Let $S$ be the set of all positive integers $p$ for which there exists a positive integer $q$ such that $pq = 1323000$, $\gcd(p, q) = 1$, and $p < q$. Let $n$ be the number of elements in $S$. Let $B_n$ denote the $n$-th Bell number, which counts the number of partitions of an $n$-element set. Compute the remainder whe...
74,496
graphs = [ Graph( let={ "_n": Const(44121), "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=1323000)), Eq(left=GCD(a=Var(name='p'), b=Var...
NT
COMB
COMPUTE
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS" ]
2bb3aa
comb_bell_compute_v1
null
5
0
[ "COPRIME_PAIRS" ]
1
0.001
2026-02-08T14:00:46.881233Z
{ "verified": true, "answer": 74496, "timestamp": "2026-02-08T14:00:46.882408Z" }
664707
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 224, "completion_tokens": 2204 }, "timestamp": "2026-02-10T06:07:33.212Z", "answer": 74496 }, { "...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" ...
{ "lo": -5.49, "mid": 0.03, "hi": 6.12 }
2de2c5
comb_sum_binomial_row_v1_1520064083_10200
Let $n$ be the number of prime numbers in the interval $[2, N]$, where $N$ is the number of integers $t$ in the range $[11, 59]$ that can be expressed as $3a + 5b + 3$ for some integers $a$ and $b$ satisfying $1 \leq a \leq 12$ and $1 \leq b \leq 4$. Compute $10404 - 2^n$.
2,212
graphs = [ Graph( let={ "_n": Const(2), "n": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Ref("_n")), Leq(Var("n"), CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Va...
NT
null
SUM
sympy
LIN_FORM
[ "LIN_FORM/COUNT_PRIMES" ]
a88a1b
comb_sum_binomial_row_v1
null
6
0
[ "COUNT_PRIMES", "LIN_FORM" ]
2
0.002
2026-02-08T11:16:04.639075Z
{ "verified": true, "answer": 2212, "timestamp": "2026-02-08T11:16:04.641031Z" }
98484f
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 146, "completion_tokens": 2517 }, "timestamp": "2026-02-14T11:10:30.414Z", "answer": 2212 }, {...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "ok_later" }, { "lemma": "K14", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "MOD_MUL", "status": ...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
edae30
antilemma_count_primes_v1_50713871_94
Let $x$ be the number of prime numbers between 2 and 1423, inclusive. Compute $$\sum_{n=1}^{x} \tau(n),$$ where $\tau(n)$ denotes the number of positive divisors of $n$.
1,252
graphs = [ Graph( let={ "x": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Const(1423)), IsPrime(Var("n"))))), "Q": Summation(var="n", start=Const(1), end=Abs(arg=Ref(name='x')), expr=NumDivisors(n=Var("n"))), }, goal...
NT
null
COMPUTE
sympy
COUNT_PRIMES
[ "COUNT_PRIMES" ]
07c874
antilemma_count_primes_v1
null
4
0
[ "COUNT_PRIMES" ]
1
0
2026-02-08T02:45:17.645422Z
{ "verified": true, "answer": 1252, "timestamp": "2026-02-08T02:45:17.645888Z" }
6295da
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 97, "completion_tokens": 3475 }, "timestamp": "2026-02-10T00:11:09.757Z", "answer": 1238 }, ...
0
[ { "lemma": "COUNT_PRIMES", "status": "ok" }, { "lemma": "K13", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "V7", "status": "no" } ]
{ "lo": 2.52, "mid": 6.26, "hi": 10 }
e83daa
comb_catalan_compute_v1_1915831931_2085
Let $m = 18$. Define $\mu$ to be the number of ordered pairs $(x_1, x_2)$ of positive odd integers such that $x_1 + x_2 = m$. Define $n$ to be the number of ordered triples $(x_{11}, x_{21}, x_3)$ of positive odd integers such that $x_{11} + x_{21} + x_3 = \mu$. Compute the $n$-th Catalan number.
16,796
graphs = [ Graph( let={ "_m": Const(18), "_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/COMB1" ]
b2c526
comb_catalan_compute_v1
null
6
0
[ "COMB1" ]
1
0.004
2026-02-08T16:36:31.527476Z
{ "verified": true, "answer": 16796, "timestamp": "2026-02-08T16:36:31.531368Z" }
7fa142
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 149, "completion_tokens": 1184 }, "timestamp": "2026-02-17T07:40:22.541Z", "answer": 16796 }, ...
1
[ { "lemma": "COMB1", "status": "ok" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "st...
{ "lo": -5.64, "mid": -3.17, "hi": -0.81 }
a09d7c
antilemma_k2_v1_1520064083_6942
Compute $$ \sum_{k=1}^{371} \phi(k) \left\lfloor \frac{371}{k} \right\rfloor, $$ where $\phi(k)$ denotes Euler's totient function.
69,006
graphs = [ Graph( let={ "_n": Const(371), "x": Summation(var="k", start=Const(1), end=Const(371), expr=Mul(EulerPhi(n=Var("k")), Floor(Div(Ref("_n"), Var("k"))))), }, goal=Ref("x"), ) ]
NT
COMB
COMPUTE
sympy
K2
[ "K2" ]
6897ab
antilemma_k2_v1
null
5
0
[ "K2" ]
1
0
2026-02-08T08:25:47.595097Z
{ "verified": true, "answer": 69006, "timestamp": "2026-02-08T08:25:47.595495Z" }
2b872e
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": 803 }, "timestamp": "2026-02-13T18:15:28.425Z", "answer": 69006 }, { ...
1
[ { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V5", "status": "no" }, { "lemma": "V8", "status": "no" } ]
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
542203
alg_qf_psd_orbit_v1_601307018_9437
Let $B = \max\{ d \geq 1 : d \mid 234734 \text{ and } d^2 \le 234734 \}$. Find the number of ordered pairs $(a, b)$ of positive integers with $1 \le a \le b \le B$ such that $9a^2 + 9b^2 = 1781685$.
6
graphs = [ Graph( let={ "_m": Const(2), "_n": Const(9), "result": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")...
NT
null
COUNT
sympy
MAX_PRIME_BELOW
[ "B3_CLOSEST", "B3" ]
a6b579
alg_qf_psd_orbit_v1
null
6
0
[ "B3", "B3_CLOSEST", "MAX_PRIME_BELOW" ]
3
2.595
2026-03-10T09:50:09.586603Z
{ "verified": true, "answer": 6, "timestamp": "2026-03-10T09:50:12.181725Z" }
89d57a
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 193, "completion_tokens": 4296 }, "timestamp": "2026-04-19T11:21:20.125Z", "answer": 6 }, { "id"...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "B3_CLOSEST", "status": "ok" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status...
{ "lo": -5.34, "mid": 1.1, "hi": 7.53 }
f7a074
comb_count_permutations_fixed_v1_784195855_3612
Let $n = 7$ and $k = 2$. Define $\text{result} = \binom{n}{k} \cdot !(n - k)$, where $!m$ denotes the number of derangements of $m$ elements. Let $s$ be the number of decimal digits of $|\text{result}|$. Define the sum $\sum_{i=0}^{s-1} \left( \text{digit}_i(|\text{result}|) \cdot (i + 1)^2 \right)$, where $\text{digit...
100
graphs = [ Graph( let={ "n": Const(7), "k": Const(2), "result": Mul(Binom(n=Ref("n"), k=Ref("k")), Subfactorial(arg=Sub(left=Ref(name='n'), right=Ref(name='k')))), "_c": Const(7), "Q": Sum(Summation(var="i", start=Const(0), end=Sub(NumDigits(x=Abs(...
NT
COMB
COUNT
sympy
ONE_PHI_1
[ "ONE_PHI_1" ]
f6b5a5
comb_count_permutations_fixed_v1
null
5
0
[ "ONE_PHI_1" ]
1
0.003
2026-02-08T06:32:37.674052Z
{ "verified": true, "answer": 100, "timestamp": "2026-02-08T06:32:37.677519Z" }
3ce4ea
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 258, "completion_tokens": 307 }, "timestamp": "2026-02-19T10:36:28.731Z", "answer": 100 } ]
2
[ { "lemma": "C2", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "ONE_PHI_1", "status": "ok" }, { "lemma": "V5", "status": "no" } ]
{ "lo": -10, "mid": -6.47, "hi": -2.95 }
b25c8b
nt_min_phi_inverse_v1_865884756_493
Let $S$ be the set of all ordered pairs $(x, y)$ of positive integers such that $xy = 625$. Define $\sigma$ to be the minimum value of $x + y$ as $(x, y)$ ranges over $S$. Let $k = 12$. Let $T$ be the set of all positive integers $n$ such that $1 \leq n \leq \sigma$ and $\varphi(n) = k$, where $\varphi$ denotes Euler's...
13
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(625)))), expr=Sum(Var("x"), Var("y")))), "k": Const(12),...
NT
null
EXTREMUM
sympy
B3
[ "B3" ]
0cd20d
nt_min_phi_inverse_v1
null
6
0
[ "B3" ]
1
0.017
2026-02-08T15:26:17.379666Z
{ "verified": true, "answer": 13, "timestamp": "2026-02-08T15:26:17.396337Z" }
d4d065
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 162, "completion_tokens": 1944 }, "timestamp": "2026-02-16T06:22:48.946Z", "answer": 13 }, { ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "V5", "status": "no" ...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
d6f219
algebra_poly_eval_v1_677425708_3023
Let $z = 10$. Let $S$ be the set of all ordered pairs $(x, y)$ of positive integers such that $xy = 576$. Let $s_{\text{min}}$ be the minimum value of $x + y$ as $(x, y)$ ranges over $S$. Compute the value of $$ \frac{24z^3 + s_{\text{min}} \cdot z^2 + 42z + 12}{\sum_{d \mid 63} \phi(d)}. $$ Determine the value of this...
464
graphs = [ Graph( let={ "_m": Const(63), "_n": Const(12), "z": Const(10), "result": Div(Sum(Mul(Const(24), Pow(Ref("z"), Const(3))), Mul(MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name=...
NT
null
COMPUTE
sympy
K3
[ "K3", "B3" ]
b88822
algebra_poly_eval_v1
null
5
0
[ "B3", "K3" ]
2
0.005
2026-02-08T05:26:14.301790Z
{ "verified": true, "answer": 464, "timestamp": "2026-02-08T05:26:14.306651Z" }
e71f3a
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 163, "completion_tokens": 1002 }, "timestamp": "2026-02-12T08:50:53.416Z", "answer": 464 }, { ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "K3", "status": "ok" }, { "lemma": "K5", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MOD_...
{ "lo": -7.01, "mid": -4.68, "hi": -2.15 }
612878
comb_catalan_compute_v1_784195855_3786
Let $n$ be the number of ordered pairs $(x_1, x_2)$ of positive odd integers such that $x_1 + x_2 = 22$. Let $C_n$ denote the $n$-th Catalan number. Compute the remainder when $54658 \cdot C_n$ is divided by $63485$.
22,368
graphs = [ Graph( let={ "n": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x1"), Var("x2")]), condition=And(IsPositive(arg=Var(name='x1')), IsPositive(arg=Var(name='x2')), IsOdd(arg=Var(name='x1')), IsOdd(arg=Var(name='x2')), Eq(Sum(Var("x1"), Var("x2")), Const(22))))), "res...
COMB
null
COMPUTE
sympy
COMB1
[ "COMB1" ]
567f58
comb_catalan_compute_v1
null
4
0
[ "COMB1" ]
1
0.001
2026-02-08T06:38:11.837356Z
{ "verified": true, "answer": 22368, "timestamp": "2026-02-08T06:38:11.838849Z" }
76520d
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 183, "completion_tokens": 3950 }, "timestamp": "2026-02-24T06:41:11.458Z", "answer": 22368 }, { "...
1
[ { "lemma": "COMB1", "status": "ok" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "V7...
{ "lo": -2.46, "mid": 0.47, "hi": 3.59 }
75ff84
antilemma_sum_equals_v1_1742523217_392
Let $ S $ be the set of all ordered pairs of integers $ (i, j) $ such that $ 1 \leq i \leq 18 $, $ 1 \leq j \leq 18 $, and $ i + j = 20 $. Let $ x $ be the number of elements in $ S $. Compute the remainder when $ 82543 \cdot x $ is divided by $ 62969 $.
17,913
graphs = [ Graph( let={ "x": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=Eq(Sum(Var("i"), Var("j")), Const(20)), domain=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(18)), right=IntegerRange(start=Const(1), end=Const(18))))), "_c":...
COMB
GEOM
COMPUTE
sympy
COUNT_SUM_EQUALS
[ "COUNT_SUM_EQUALS" ]
75ab0f
antilemma_sum_equals_v1
null
2
0
[ "COUNT_SUM_EQUALS" ]
1
0.015
2026-02-08T03:00:46.229241Z
{ "verified": true, "answer": 17913, "timestamp": "2026-02-08T03:00:46.244328Z" }
785da2
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": 820 }, "timestamp": "2026-02-09T17:21:09.774Z", "answer": 17913 }, { "i...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -2.46, "mid": 0.47, "hi": 3.59 }
4db181
comb_count_permutations_fixed_v1_1248542787_644
Let $n = \sum_{k=1}^{4} k = 10$ and $k = 7$. Compute $\binom{n}{k}$ multiplied by the number of derangements of $n - k$ elements. Let $\text{result}$ denote this product. Let $m = 83028$. Find the remainder when $m \cdot \text{result}$ is divided by $98393$. Determine the value of $Q$.
51,334
graphs = [ Graph( let={ "_n": Const(83028), "n": Summation(var="k", start=Const(1), end=Const(4), expr=Var("k")), "k": Const(7), "result": Mul(Binom(n=Ref("n"), k=Ref("k")), Subfactorial(arg=Sub(left=Ref(name='n'), right=Ref(name='k')))), "Q": Mod(...
COMB
null
COUNT
sympy
SUM_ARITHMETIC
[ "SUM_ARITHMETIC" ]
eb34f0
comb_count_permutations_fixed_v1
null
5
0
[ "SUM_ARITHMETIC" ]
1
0.002
2026-02-08T03:17:00.959392Z
{ "verified": true, "answer": 51334, "timestamp": "2026-02-08T03:17:00.961843Z" }
0205d6
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": 904 }, "timestamp": "2026-02-09T06:32:46.467Z", "answer": 51334 }, { "i...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "SUM_ARITHMETIC", "status": "ok" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status":...
{ "lo": -2.46, "mid": 0.46, "hi": 3.54 }
88f530
sequence_fibonacci_compute_v1_124444284_6581
Let $n$ be the largest prime number less than or equal to $24$. Define $F_n$ to be the $n$th Fibonacci number, where $F_1 = 1$, $F_2 = 1$, and $F_k = F_{k-1} + F_{k-2}$ for $k \geq 3$. Let $Q$ be the remainder when $44121 \cdot F_n$ is divided by $80743$. Compute $Q$.
20,860
graphs = [ Graph( let={ "_n": Const(24), "n": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Ref("_n")), IsPrime(Var("n"))))), "result": Fibonacci(arg=Ref(name='n')), "Q": Mod(value=Mul(Const(44121), Ref("result"...
NT
null
COMPUTE
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW" ]
dc3ad3
sequence_fibonacci_compute_v1
null
3
0
[ "MAX_PRIME_BELOW" ]
1
0.001
2026-02-08T08:32:52.205656Z
{ "verified": true, "answer": 20860, "timestamp": "2026-02-08T08:32:52.206414Z" }
400d05
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 149, "completion_tokens": 2057 }, "timestamp": "2026-02-13T19:22:28.063Z", "answer": 20860 }, ...
1
[ { "lemma": "K16", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "V5", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
28935f
algebra_quadratic_discriminant_v1_458359167_2512
Let $n_0 = 4$. Let $A$ be the set of all positive integers $n$ such that $1 \le n \le 8$, $n$ is divisible by $n_0$, and $\gcd(n, 35) = 1$. Let $k = |A|$, the number of elements in $A$. Compute $(-4)^k - 4(-1)(-4)$.
0
graphs = [ Graph( let={ "_n": Const(4), "a": Const(-1), "b": Const(4), "c": Const(-4), "result": Sub(Pow(Ref("b"), CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Const(8)), Divides(divisor=Ref("_n")...
NT
null
COMPUTE
sympy
BINOMIAL_ALTERNATING
[ "C5" ]
1d9668
algebra_quadratic_discriminant_v1
null
4
0
[ "BINOMIAL_ALTERNATING", "C5" ]
2
0.008
2026-02-08T05:27:36.289056Z
{ "verified": true, "answer": 0, "timestamp": "2026-02-08T05:27:36.297125Z" }
0a093a
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 1, "correct": { "strict": false, "boxed": false, "relaxed": true }, "usage": { "prompt_tokens": 149, "completion_tokens": 384 }, "timestamp": "2026-02-15T17:24:38.259Z", "answer": 32 }, { "id": 11, ...
1
[ { "lemma": "C5", "status": "ok" }, { "lemma": "K13", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "V8", "status": "no" } ]
{ "lo": -7.01, "mid": -4.68, "hi": -2.15 }
18bfc2
antilemma_sum_factor_cartesian_v1_1742523217_502
Let $n$ be the number of positive integers $k$ with $1\le k\le 38$ such that $19$ divides $k$. Let $m=\varphi(\varphi(n))$, where $\varphi$ denotes Euler's totient function. Consider all ordered pairs $(i,j)$ of integers such that $1\le i\le 25$ and $1\le j\le 7$. Among these pairs, keep only those for which $\varphi(...
9,100
graphs = [ Graph( let={ "_n": Const(38), "x": SumOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=EulerPhi(n=EulerPhi(n=CountOverSet(set=SolutionsSet(var=Var("k"), condition=And(Geq(Var("k"), Const(1)), Leq(Var("k"), Ref("_n")), Divides(divi...
NT
null
COMPUTE
sympy
C2
[ "C2/ONE_PHI_2/ONE_PHI_1/SUM_FACTOR_CARTESIAN", "SUM_FACTOR_CARTESIAN" ]
d16791
antilemma_sum_factor_cartesian_v1
null
6
0
[ "C2", "ONE_PHI_1", "ONE_PHI_2", "SUM_FACTOR_CARTESIAN" ]
4
0.002
2026-02-08T03:04:55.354316Z
{ "verified": true, "answer": 9100, "timestamp": "2026-02-08T03:04:55.356642Z" }
1a42a3
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 285, "completion_tokens": 651 }, "timestamp": "2026-02-09T18:50:22.304Z", "answer": 9100 }, { "id...
1
[ { "lemma": "C2", "status": "ok" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "ONE_PHI_1", "status": "ok_later" }, { "lemma": "ONE_PHI_2", "status": "ok_later" }, { "lemma": "POLY_PADIC_VAL_CONST", ...
{ "lo": -6.51, "mid": -0.32, "hi": 5.36 }
853ad3
nt_count_gcd_equals_v1_124444284_7508
Let $d$ be the number of integers $t$ with $7 \leq t \leq 61$ for which there exist integers $a$ and $b$ such that $1 \leq a \leq 7$, $1 \leq b \leq 10$, and $t = 3a + 4b$. Let $k = 98$ and let $U = 32768$. Determine the number of integers $n$ with $1 \leq n \leq U$ such that $\gcd(n, k) = d$.
334
graphs = [ Graph( let={ "upper": Const(32768), "k": Const(98), "d": 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'), rig...
NT
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
nt_count_gcd_equals_v1
null
6
0
[ "LIN_FORM" ]
1
6.446
2026-02-08T09:10:25.477418Z
{ "verified": true, "answer": 334, "timestamp": "2026-02-08T09:10:31.923692Z" }
3227ca
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 161, "completion_tokens": 2926 }, "timestamp": "2026-02-14T01:17:15.699Z", "answer": 334 }, { ...
1
[ { "lemma": "K5", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "V1", "status": "no" } ]
{ "lo": -3.51, "mid": 1.33, "hi": 6.56 }
a469b6
alg_sum_powers_v1_1218484723_6142
Find the remainder when $\sum_{k=1}^{N} k^3$ is divided by $4212$, where $N = \left| \left\{ (a,b) : 1\le a,b \le 40,\, 13a^2 - 2ab + 2b^2 \le 16362 \right\} \right|$.
1,764
graphs = [ Graph( let={ "_n": Const(16362), "result": Mod(value=Summation(var="k", start=Const(1), end=CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), Const(40)), Geq(Var("b"), Const(1)), Leq(Var("b"), Const...
ALG
null
COMPUTE
sympy
QF_PSD_COUNT_LEQ
[ "QF_PSD_COUNT_LEQ" ]
009d0f
alg_sum_powers_v1
null
4
0
[ "QF_PSD_COUNT_LEQ" ]
1
0.059
2026-02-25T07:45:35.301911Z
{ "verified": true, "answer": 1764, "timestamp": "2026-02-25T07:45:35.361377Z" }
086e13
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 190, "completion_tokens": 20198 }, "timestamp": "2026-03-30T00:21:35.776Z", "answer": 1764 }, { "...
1
[ { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "QF_PSD_COUNT_LEQ", "status": "ok" } ]
{ "lo": -3.33, "mid": 1.03, "hi": 5.26 }
5cc8dc
modular_mod_compute_v1_601307018_9793
Let $m$ be the number of positive integers $t$ such that $t = 15c + 6b + 18$ for some integers $c, b$ with $1 \leq c \leq 183$, $1 \leq b \leq 1172$, and $39 \leq t \leq 9795$. Let $S = 37249 \bmod m$. Find the remainder when $42304 \cdot S$ is divided by $73413$.
9,730
graphs = [ Graph( let={ "_n": Const(73413), "a": Const(37249), "m": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), rig...
NT
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
modular_mod_compute_v1
null
4
0
[ "LIN_FORM" ]
1
0.008
2026-03-10T10:13:22.455419Z
{ "verified": true, "answer": 9730, "timestamp": "2026-03-10T10:13:22.463178Z" }
ffc4c5
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 218, "completion_tokens": 3939 }, "timestamp": "2026-04-19T12:03:23.586Z", "answer": 9730 }, { "...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "V1", "status": "no" } ]
{ "lo": -5.34, "mid": 1.1, "hi": 7.53 }
8cca07
sequence_lucas_compute_v1_865884756_2808
Let $T$ be the set of all integers $t$ such that $21 \leq t \leq 99$ and there exist positive integers $a$ and $b$ with $1 \leq a \leq 7$, $1 \leq b \leq 3$, and $t = 9a + 12b$. Let $n = |T|$. Let $L_n$ denote the $n$-th Lucas number, defined by $L_1 = 1$, $L_2 = 3$, and $L_m = L_{m-1} + L_{m-2}$ for $m \geq 3$. Find t...
71,622
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=7)), Geq(left=Va...
NT
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
sequence_lucas_compute_v1
null
4
0
[ "LIN_FORM" ]
1
0.002
2026-02-08T16:57:06.954552Z
{ "verified": true, "answer": 71622, "timestamp": "2026-02-08T16:57:06.956236Z" }
1cc4c1
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 202, "completion_tokens": 2346 }, "timestamp": "2026-02-17T16:15:51.951Z", "answer": 71622 }, ...
1
[ { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
1279c0
comb_bell_compute_v1_717093673_2541
Let $ n = 9 $. Define $ c = \sum_{k=0}^{0} (-1)^k \binom{0}{k} $. Let $ u $ be $ c $ multiplied by the number of ordered pairs $ (x_1, x_2) $ of positive odd integers such that $ x_1 + x_2 = 16 $. Let $ n_1 = u + 1 $. Define $ v = \sum_{k_1=0}^{n_1} (-1)^{k_1} \binom{n_1}{k_1} $. Let $ n = 9 + v $. Compute the Bell num...
21,147
graphs = [ Graph( let={ "_n": Const(9), "n2": Const(0), "c": Summation(var="k", start=Const(0), end=Ref("n2"), expr=Mul(Pow(Const(-1), Var("k")), Binom(n=Ref("n2"), k=Var("k")))), "u": Mul(CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x1"), Var("x2")]...
COMB
null
COMPUTE
sympy
COMB1
[ "COMB1/BINOMIAL_ALTERNATING" ]
e72f96
comb_bell_compute_v1
null
4
2
[ "BINOMIAL_ALTERNATING", "COMB1" ]
2
0.002
2026-02-08T16:55:45.282226Z
{ "verified": true, "answer": 21147, "timestamp": "2026-02-08T16:55:45.284157Z" }
1e5032
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 187, "completion_tokens": 722 }, "timestamp": "2026-02-17T15:03:55.999Z", "answer": 21147 }, {...
1
[ { "lemma": "BINOMIAL_ALTERNATING", "status": "ok_later" }, { "lemma": "COMB1", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "...
{ "lo": -2.38, "mid": 1.74, "hi": 6.59 }
18b40d
nt_count_divisors_in_range_v1_2051736721_4050
Let $P$ be the set of all ordered pairs $(x_1, y_1)$ of positive integers such that $x_1 + y_1 = 38$. Let $M$ be the maximum value of $x_1 y_1$ over all such pairs. Let $S$ be the set of all ordered pairs $(x, y)$ of positive integers such that $xy = M$. Let $a$ be the minimum value of $x + y$ over all such pairs in $S...
136
graphs = [ Graph( let={ "n": Const(277200), "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")), MaxOverSet(set=MapOverSet(set=SolutionsSet(var...
NT
null
COUNT
sympy
B1
[ "B1/B3" ]
80b49d
nt_count_divisors_in_range_v1
null
6
0
[ "B1", "B3" ]
2
0.157
2026-02-08T17:41:25.493492Z
{ "verified": true, "answer": 136, "timestamp": "2026-02-08T17:41:25.650803Z" }
57344a
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 194, "completion_tokens": 3157 }, "timestamp": "2026-02-18T06:01:04.371Z", "answer": 136 }, { ...
1
[ { "lemma": "B1", "status": "ok" }, { "lemma": "B3", "status": "ok_later" }, { "lemma": "C2", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemm...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
431a27
geo_count_lattice_rect_v1_124444284_2175
Compute the number of lattice points $(x, y)$ such that $0 \leq x \leq 128$ and $0 \leq y \leq 468$.
60,501
graphs = [ Graph( let={ "a": Const(128), "b": Const(468), "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
2026-02-08T04:29:29.573288Z
{ "verified": true, "answer": 60501, "timestamp": "2026-02-08T04:29:29.574064Z" }
6e8580
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": 174 }, "timestamp": "2026-02-24T00:55:44.352Z", "answer": 60501 }, { "i...
1
[]
{ "lo": -4.92, "mid": -2.9, "hi": -0.7 }
f4d883
comb_count_derangements_v1_971394319_824
Let $S$ be the set of nonnegative integers $j$ such that $0 \leq j \leq 66056$ and $\binom{66056}{j}$ is odd. Let $n$ be the number of positive integers $j$ such that $j \leq |S|$ and $j^5 \leq 32768$. Compute the number of derangements of $n$ elements.
14,833
graphs = [ Graph( let={ "_m": Const(5), "_n": Const(32768), "n": CountOverSet(set=SolutionsSet(var=Var("j"), condition=And(Geq(Var("j"), Const(1)), Leq(Var("j"), CountOverSet(set=SolutionsSet(var=Var("j"), condition=And(Geq(Var("j"), Const(0)), Leq(Var("j"), Const(66056))...
COMB
null
COUNT
sympy
V8
[ "V8/C3" ]
e55eeb
comb_count_derangements_v1
null
6
0
[ "C3", "V8" ]
2
0.003
2026-02-08T13:19:11.192114Z
{ "verified": true, "answer": 14833, "timestamp": "2026-02-08T13:19:11.194993Z" }
0ff526
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 200, "completion_tokens": 1848 }, "timestamp": "2026-02-24T17:49:07.482Z", "answer": 14833 }, { "...
1
[ { "lemma": "C3", "status": "ok_later" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "V7", "status": "no...
{ "lo": -3.84, "mid": -1.67, "hi": 1.32 }
251930
antilemma_k3_v1_1125832087_1231
Compute $\sum_{d \mid 28009} \varphi(d)$, where $\varphi$ denotes Euler's totient function.
28,009
graphs = [ Graph( let={ "x": SumOverDivisors(n=Const(value=28009), 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
2026-02-08T03:37:40.037292Z
{ "verified": true, "answer": 28009, "timestamp": "2026-02-08T03:37:40.037858Z" }
14dd23
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 139, "completion_tokens": 549 }, "timestamp": "2026-02-10T15:10:32.825Z", "answer": 28009 }, { "i...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K3", "status": "ok" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" } ]
{ "lo": -5.55, "mid": -3.02, "hi": 0.31 }
6cda69
geo_count_lattice_rect_v1_677425708_2396
Let $a = 128$ and $b = 401$. Define $\text{result}$ to be the number of lattice points in the rectangle $[0, a] \times [0, b]$, including the boundary. Let $Q$ be the remainder when $961 - \text{result}$ is divided by $79749$. Find the value of $Q$.
28,852
graphs = [ Graph( let={ "a": Const(128), "b": Const(401), "result": LatticePointsRect(a=Ref(name='a'), b=Ref(name='b')), "Q": Mod(value=Sub(Const(961), Ref("result")), modulus=Const(79749)), }, goal=Ref("Q"), ) ]
GEOM
null
COUNT
sympy
[]
geo_count_lattice_rect_v1
null
2
0
null
null
0.001
2026-02-08T05:01:53.296191Z
{ "verified": true, "answer": 28852, "timestamp": "2026-02-08T05:01:53.297382Z" }
9a17be
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 188, "completion_tokens": 880 }, "timestamp": "2026-02-24T02:35:05.228Z", "answer": 28852 }, { "i...
1
[]
{ "lo": -3.83, "mid": -1.68, "hi": 1.09 }
7d707e
alg_poly_preperiod_count_v1_601307018_9555
Let $N = (2a^3 - 3a) \bmod 19$, $M = (2N^3 - 3N) \bmod 19$, $R = (2M^3 - 3M) \bmod 19$, $S = (2R^3 - 3R) \bmod 19$, and $T = (2S^3 - 3S) \bmod 19$. Find the number of non-negative integers $a$ with $0 \le a \le 19265$ such that $T = N$, $M \neq N$, $R \neq N$, and $S \neq N$.
8,112
graphs = [ Graph( let={ "p1": Mod(value=Sum(Mul(Const(2), Pow(Var("a"), Const(3))), Mul(Const(-3), Var("a"))), modulus=Const(19)), "p2": Mod(value=Sum(Mul(Const(2), Pow(Ref("p1"), Const(3))), Mul(Const(-3), Ref("p1"))), modulus=Const(19)), "p3": Mod(value=Sum(Mul(Const(2)...
ALG
null
COUNT
sympy
POLY_ORBIT_COUNT
[ "POLY_ORBIT_COUNT" ]
4ad965
alg_poly_preperiod_count_v1
null
6
null
[ "POLY_ORBIT_COUNT" ]
1
0.034
2026-03-10T09:58:42.987429Z
{ "verified": true, "answer": 8112, "timestamp": "2026-03-10T09:58:43.021275Z" }
568c4f
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 255, "completion_tokens": 3542 }, "timestamp": "2026-04-19T11:33:19.474Z", "answer": 8112 }, { "...
1
[ { "lemma": "POLY_ORBIT_COUNT", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": -5.34, "mid": 1.1, "hi": 7.53 }
ee43d4
antilemma_cartesian_v1_1915831931_432
Let $S$ be the set of all ordered pairs $(i,j)$ where $i$ and $j$ are integers with $1 \leq i \leq 20$ and $1 \leq j \leq 28$. Let $x$ be the number of elements in $S$. Compute $\sum_{n=1}^{x} \tau(n)$, where $\tau(n)$ denotes the number of positive divisors of $n$.
3,641
graphs = [ Graph( let={ "x": CountOverSet(set=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(20)), right=IntegerRange(start=Const(1), end=Const(28)))), "Q": Summation(var="n", start=Const(1), end=Abs(arg=Ref(name='x')), expr=NumDivisors(n=Var("n"))), }, ...
COMB
GEOM
COMPUTE
sympy
COUNT_CARTESIAN
[ "COUNT_CARTESIAN" ]
409d7d
antilemma_cartesian_v1
null
3
0
[ "COUNT_CARTESIAN" ]
1
0.001
2026-02-08T15:24:53.822299Z
{ "verified": true, "answer": 3641, "timestamp": "2026-02-08T15:24:53.823157Z" }
ac0ed8
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 205, "completion_tokens": 3202 }, "timestamp": "2026-02-24T21:01:41.928Z", "answer": 3641 }, { "i...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status":...
{ "lo": -2.43, "mid": 1.2, "hi": 4.84 }
951cf0
lin_form_endings_v1_717093673_2236
Let $a = 63$, $b = 45$, and $k = 74$. Define $d = \gcd(a, b)$ and $g = \gcd(k, d)$. Let $r = \left\lfloor \frac{k}{g} \right\rfloor$. Compute the remainder when $8101 \cdot r$ is divided by 56654.
32,934
graphs = [ Graph( let={ "a_coeff": Const(63), "b_coeff": Const(45), "k_val": Const(74), "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(81...
COMB
NT
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
lin_form_endings_v1
null
4
null
[ "LIN_FORM" ]
1
0.001
2026-02-08T16:41:43.396830Z
{ "verified": true, "answer": 32934, "timestamp": "2026-02-08T16:41:43.397953Z" }
ce6fda
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 124, "completion_tokens": 616 }, "timestamp": "2026-02-17T10:20:20.793Z", "answer": 32934 }, {...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status": "no" ...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
af7845
diophantine_product_count_v1_655260480_886
Let $n = 18927$. Let $k$ be the number of ordered pairs $(a, b)$ of positive integers such that $1 \leq a \leq 20$ and $1 \leq b \leq 21$. Define $u$ to be the number of positive integers $t$ such that $14 \leq t \leq 199$ and there exist positive integers $a$ and $b$ with $1 \leq a \leq 20$, $1 \leq b \leq 31$, and $t...
9,044
graphs = [ Graph( let={ "_n": Const(18927), "k": CountOverSet(set=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(20)), right=IntegerRange(start=Const(1), end=Const(21)))), "upper": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'...
NT
null
COUNT
sympy
COUNT_CARTESIAN
[ "COUNT_CARTESIAN", "LIN_FORM" ]
efa619
diophantine_product_count_v1
null
5
0
[ "COUNT_CARTESIAN", "LIN_FORM" ]
2
0.013
2026-02-08T15:41:03.746377Z
{ "verified": true, "answer": 9044, "timestamp": "2026-02-08T15:41:03.759004Z" }
726540
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 244, "completion_tokens": 5959 }, "timestamp": "2026-02-16T12:55:24.072Z", "answer": 9044 }, {...
1
[ { "lemma": "COUNT_CARTESIAN", "status": "ok" }, { "lemma": "K13", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
21b52e
alg_poly_preperiod_count_v1_601307018_8018
For a non-negative integer $a$, define a sequence $N, M, R, S$ by: \[ N = (2a^3 + a^2 - 3a - 3) \bmod 37,\quad M = (2N^3 + N^2 - 3N - 3) \bmod 37, \] \[ R = (2M^3 + M^2 - 3M - 3) \bmod 37,\quad S = (2R^3 + R^2 - 3R - 3) \bmod 37. \] Find the number of integers $a$ with $0 \le a \le 4254$ such that $S = N$, $M \neq N$, ...
575
graphs = [ Graph( let={ "p1": Mod(value=Sum(Mul(Const(2), Pow(Var("a"), Const(3))), Pow(Var("a"), Const(2)), Mul(Const(-3), Var("a")), Const(-3)), modulus=Const(37)), "p2": Mod(value=Sum(Mul(Const(2), Pow(Ref("p1"), Const(3))), Pow(Ref("p1"), Const(2)), Mul(Const(-3), Ref("p1")), Con...
ALG
null
COUNT
sympy
POLY_ORBIT_COUNT
[ "POLY_ORBIT_COUNT" ]
4ad965
alg_poly_preperiod_count_v1
null
7
null
[ "POLY_ORBIT_COUNT" ]
1
0.055
2026-03-10T08:31:05.606002Z
{ "verified": true, "answer": 575, "timestamp": "2026-03-10T08:31:05.661408Z" }
23f263
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 282, "completion_tokens": 9097 }, "timestamp": "2026-04-19T08:06:25.784Z", "answer": 575 }, { "i...
1
[ { "lemma": "POLY_ORBIT_COUNT", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": -5.34, "mid": 1.1, "hi": 7.53 }
48b10f
antilemma_k3_v1_1520064083_4468
Let $n = 23369$. Define $x$ to be the sum of $\phi(d)$ over all positive divisors $d$ of $n$. Compute the remainder when $12033x$ is divided by $78830$.
12,567
graphs = [ Graph( let={ "_n": Const(23369), "x": SumOverDivisors(n=Ref(name='_n'), var='d', expr=EulerPhi(n=Var(name='d'))), "Q": Mod(value=Mul(Const(12033), Ref("x")), modulus=Const(78830)), }, goal=Ref("Q"), ) ]
NT
COMB
COMPUTE
sympy
K3
[ "K3" ]
54c41e
antilemma_k3_v1
null
4
0
[ "K3" ]
1
0
2026-02-08T06:17:33.951081Z
{ "verified": true, "answer": 12567, "timestamp": "2026-02-08T06:17:33.951517Z" }
33e31c
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 95, "completion_tokens": 1100 }, "timestamp": "2026-02-12T22:13:08.071Z", "answer": 12567 }, {...
1
[ { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K3", "status": "ok" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "V7", "status": "no" } ]
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
2dc6a9
comb_bell_compute_v1_124444284_1017
Let $m$ be the minimum value of $x + y$ over all ordered pairs $(x, y)$ of positive integers such that $xy = 298116$. Let $n$ be the number of nonnegative integers $j$ such that $0 \le j \le m$ and $\binom{m}{j}$ is odd. Compute the Bell number $B_n$, which counts the number of partitions of a set of $n$ elements. Find...
4,140
graphs = [ Graph( let={ "_c": Const(2), "_m": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Mul(Var("x"), Var("y")), Const(298116)))), expr=Sum(Var("x"), Var("y")))),...
COMB
null
COMPUTE
sympy
B3
[ "B3/B3/V8" ]
408b30
comb_bell_compute_v1
null
7
0
[ "B3", "V8" ]
2
0.003
2026-02-08T03:39:09.361825Z
{ "verified": true, "answer": 4140, "timestamp": "2026-02-08T03:39:09.364843Z" }
b03b19
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 213, "completion_tokens": 1885 }, "timestamp": "2026-02-10T01:24:32.651Z", "answer": 4140 }, { "i...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "V8", ...
{ "lo": -2.46, "mid": 0.47, "hi": 3.59 }
c1ebaf
nt_sum_totient_over_divisors_v1_153355830_517
Let $m = 53751$ and $n = 50569$. Let $d_0$ be the smallest integer greater than 1 that divides 10051. Define $k_{\text{max}}$ to be the number of positive integers $k$ such that $1 \leq k \leq m$ and $d_0$ divides $k$. Let $n$ be the largest positive divisor of 8042847 that is at most $k_{\text{max}}$. Compute the sum ...
38,897
graphs = [ Graph( let={ "_m": Const(53751), "_n": Const(50569), "n": MaxOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(1)), Leq(Var("d"), CountOverSet(set=SolutionsSet(var=Var("k"), condition=And(Geq(Var("k"), Const(1)), Leq(Var("k"), Ref("_m")),...
NT
null
COMPUTE
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR/C2/MAX_DIVISOR" ]
f4f44c
nt_sum_totient_over_divisors_v1
null
7
0
[ "C2", "MAX_DIVISOR", "MIN_PRIME_FACTOR" ]
3
0.005
2026-02-08T03:08:26.750464Z
{ "verified": true, "answer": 38897, "timestamp": "2026-02-08T03:08:26.755805Z" }
2f2ed5
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": 11184 }, "timestamp": "2026-02-23T16:34:19.887Z", "answer": 38897 }, { ...
1
[ { "lemma": "C2", "status": "ok_later" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "MAX_DIVISOR", "status": "ok_later" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "MOD_ADD", ...
{ "lo": 0.77, "mid": 2.83, "hi": 5 }
762b10
nt_sum_divisors_range_v1_168721529_1684
Let $N = 16384$. Define $S$ as the set of all ordered pairs $(x_1, x_2)$ of positive odd integers such that $x_1 + x_2 = N$. Let $u$ be the number of elements in $S$. Let $R$ be the sum of $\tau(n)$ over all positive integers $n$ such that $1 \leq n \leq u$, where $\tau(n)$ denotes the number of positive divisors of $n...
75,108
graphs = [ Graph( let={ "_n": Const(16384), "upper": 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...
NT
null
SUM
sympy
ONE_PHI_2
[ "COMB1" ]
567f58
nt_sum_divisors_range_v1
null
4
0
[ "COMB1", "ONE_PHI_2" ]
2
1.763
2026-02-08T13:50:43.593985Z
{ "verified": true, "answer": 75108, "timestamp": "2026-02-08T13:50:45.357482Z" }
bc4700
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 221, "completion_tokens": 6127 }, "timestamp": "2026-02-11T08:00:50.160Z", "answer": 75108 }, { ...
1
[ { "lemma": "COMB1", "status": "ok" }, { "lemma": "K13", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -5.48, "mid": 0.74, "hi": 7.52 }
b5cb79
antilemma_sum_equals_v1_655260480_3934
Let $n$ be the number of integers $t$ with $21 \leq t \leq 189$ such that there exist positive integers $a \leq 5$ and $b \leq 19$ satisfying $t = 15a + 6b$. Compute the number of ordered pairs $(i, j)$ of integers with $1 \leq i \leq 51$ and $1 \leq j \leq 51$ such that $i + j = n$.
50
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=...
COMB
GEOM
COMPUTE
sympy
COUNT_SUM_EQUALS
[ "LIN_FORM/COUNT_SUM_EQUALS", "COUNT_SUM_EQUALS" ]
ada383
antilemma_sum_equals_v1
null
5
0
[ "COUNT_SUM_EQUALS", "LIN_FORM" ]
2
0.096
2026-02-08T17:37:40.515136Z
{ "verified": true, "answer": 50, "timestamp": "2026-02-08T17:37:40.611304Z" }
be0e0a
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 147, "completion_tokens": 2761 }, "timestamp": "2026-02-18T05:11:30.230Z", "answer": 50 }, { ...
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": "LIN_F...
{ "lo": -2.38, "mid": 1.74, "hi": 6.59 }
1757e7
algebra_vieta_sum_v1_1978505735_8314
Let $r$ be the product of all real roots of the equation $x^3 + 12x^2 + 45x + 54 = 0$. Compute $\sum_{n=1}^{|r|} \phi(n)$, where $\phi$ denotes Euler's totient function.
900
graphs = [ Graph( let={ "result": ProductOverSet(set=SolutionsSet(var=Var(name='x'), condition=Eq(left=Sum(Pow(base=Var(name='x'), exp=Const(value=3)), Mul(Const(value=12), Pow(base=Var(name='x'), exp=Const(value=2))), Mul(Const(value=45), Var(name='x')), Const(value=54)), right=Const(value=0)))...
NT
null
COMPUTE
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS", "ONE_PHI_1" ]
81fa00
algebra_vieta_sum_v1
null
4
0
[ "COPRIME_PAIRS", "ONE_PHI_1" ]
2
0.033
2026-02-08T20:47:28.349850Z
{ "verified": true, "answer": 900, "timestamp": "2026-02-08T20:47:28.382582Z" }
babf8a
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 107, "completion_tokens": 2590 }, "timestamp": "2026-02-19T01:05:13.718Z", "answer": 900 }, { ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "ONE_PHI_1", "status": "ok" }, { "lemma": "V5", "status": "no" }, {...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
c2f56b
geo_count_lattice_triangle_v1_601307018_10695
Let $R \equiv 3a^5 - 3a^4 + a^3 - 2a^2 - 2a - 2 \pmod{169}$, $S \equiv 3R^5 - 3R^4 + R^3 - 2R^2 - 2R - 2 \pmod{169}$, and $T \equiv 3S^5 - 3S^4 + S^3 - 2S^2 - 2S - 2 \pmod{169}$. Let $K = \left|131 \cdot 120 + \min\{ -12a b + 20a^2 + 41b^2 : a, b \in \mathbb{Z}^+,\, 1 \leq a, b \leq 26 \} \cdot (-27)\right|$. Let $L = ...
7,198
graphs = [ Graph( let={ "_m": Const(2), "_n": Const(120), "area_2x": Abs(arg=Sum(Mul(Const(value=131), Const(value=120)), Mul(MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var(name='a'), Var(name='b')]), condition=And(Geq(left=Var(name='a'), right=Const(v...
GEOM
NT
COUNT
sympy
POLY_ORBIT_HENSEL
[ "POLY_ORBIT_HENSEL", "QF_PSD_MIN" ]
b699a8
geo_count_lattice_triangle_v1
null
7
0
[ "POLY_ORBIT_HENSEL", "QF_PSD_MIN" ]
2
0.012
2026-03-10T11:09:53.041157Z
{ "verified": true, "answer": 7198, "timestamp": "2026-03-10T11:09:53.053606Z" }
d0c688
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 371, "completion_tokens": 1762 }, "timestamp": "2026-04-19T14:33:20.623Z", "answer": 7198 }, { "...
1
[ { "lemma": "POLY_ORBIT_HENSEL", "status": "ok" }, { "lemma": "QF_PSD_MIN", "status": "ok" } ]
{ "lo": -5.34, "mid": 1.1, "hi": 7.53 }
54e7d9
modular_mod_compute_v1_168721529_2106
Let $n = 126$. Define $$ a = \sum_{k=1}^{126} \phi(k) \left\lfloor \frac{126}{k} \right\rfloor, $$ where $\phi(k)$ denotes Euler's totient function. Let $r$ be the remainder when $a$ is divided by $12100$. Compute the remainder when $44121 \cdot r$ is divided by $83549$.
17,596
graphs = [ Graph( let={ "_n": Const(126), "a": Summation(var="k", start=Const(1), end=Ref("_n"), expr=Mul(EulerPhi(n=Var("k")), Floor(Div(Const(126), Var("k"))))), "m": Const(12100), "result": Mod(value=Ref("a"), modulus=Ref("m")), "Q": Mod(value=M...
NT
null
COMPUTE
sympy
K2
[ "K2" ]
6897ab
modular_mod_compute_v1
null
3
0
[ "K2" ]
1
0.002
2026-02-08T14:07:17.422146Z
{ "verified": true, "answer": 17596, "timestamp": "2026-02-08T14:07:17.423799Z" }
151f84
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 206, "completion_tokens": 2870 }, "timestamp": "2026-02-10T02:14:06.248Z", "answer": 17596 }, { "...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "V3", "status": "no"...
{ "lo": -7.09, "mid": -0.49, "hi": 6.1 }
3daf0a
comb_count_permutations_fixed_v1_1218484723_5408
Let $D_n$ denote the number of derangements of $n$ elements. Let $n = 7$. Define $M = \sum_{k=0}^{2} (-1)^k \binom{2}{k}$, $m = \sum_{k=0}^{M} (-1)^k \binom{M}{k}$, $t = \sum_{k=0}^{11} (-1)^k \binom{11}{k}$, and $R = 7 + \binom{10}{10}$. Let $v = \sum_{k=0}^{R} (-1)^k \binom{R}{k}$. Let $k = (2 + v) \cdot m + t$. Comp...
924
graphs = [ Graph( let={ "u": Const(7), "n3": Sum(Ref("u"), Binom(n=Const(10), k=Const(10))), "v": Summation(var="k1", start=Const(0), end=Ref("n3"), expr=Mul(Pow(Const(-1), Var("k1")), Binom(n=Ref("n3"), k=Var("k1")))), "n2": Summation(var="k2", start=Sub(Bino...
COMB
null
COUNT
sympy
BINOMIAL_ALTERNATING
[ "BINOMIAL_ALTERNATING", "ZERO_BINOM_N", "ONE_BINOM_N" ]
843369
comb_count_permutations_fixed_v1
null
5
3
[ "BINOMIAL_ALTERNATING", "ONE_BINOM_N", "ZERO_BINOM_N" ]
3
0.006
2026-02-25T06:58:38.520691Z
{ "verified": true, "answer": 924, "timestamp": "2026-02-25T06:58:38.526589Z" }
af7e2d
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 287, "completion_tokens": 1407 }, "timestamp": "2026-03-29T20:57:07.269Z", "answer": 924 }, { "id...
2
[ { "lemma": "BINOMIAL_ALTERNATING", "status": "ok" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "ONE_BINOM_N", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", ...
{ "lo": -10, "mid": -6.24, "hi": -2.48 }
620b0a
algebra_quadratic_discriminant_v1_717093673_1926
Compute $(-2)^2 - (-4) \cdot 10 \cdot k$, where $k$ is the number of positive integers $p$ for which there exists an integer $q$ such that $p < q$, $pq = 4500$, and $\gcd(p, q) = 1$.
164
graphs = [ Graph( let={ "a": Const(-4), "b": Const(-2), "c": Const(10), "result": Sub(Pow(Ref("b"), Const(2)), Mul(CountOverSet(set=SolutionsSet(var=Var("p"), condition=And(IsPositive(arg=Var(name='p')), Exists(var=Var(name='q'), condition=And(Eq(left=Mul(Var(...
NT
null
COMPUTE
sympy
B3
[ "COPRIME_PAIRS" ]
2bb3aa
algebra_quadratic_discriminant_v1
null
5
0
[ "B3", "COPRIME_PAIRS" ]
2
0.016
2026-02-08T16:24:22.356537Z
{ "verified": true, "answer": 164, "timestamp": "2026-02-08T16:24:22.373008Z" }
f429ff
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 112, "completion_tokens": 1373 }, "timestamp": "2026-02-17T03:01:27.490Z", "answer": 164 }, { ...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "L3c", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
de63a3
comb_binomial_compute_v1_1874849503_544
Let $n = 14$ and let $k = \sum_{i=1}^{3} i$. Let $\text{result} = \binom{n}{k}$. Let $S$ be the set of all ordered pairs $(x, y)$ of positive integers such that $xy = 16777216$. Compute the minimum value of $x + y$ over all elements of $S$, and subtract $\text{result}$ from this minimum.
5,189
graphs = [ Graph( let={ "n": Const(14), "k": Summation(var="k", start=Const(1), end=Const(3), expr=Var("k")), "result": Binom(n=Ref("n"), k=Ref("k")), "Q": Sub(MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(I...
ALG
COMB
COMPUTE
sympy
B3
[ "B3", "SUM_ARITHMETIC" ]
d67904
comb_binomial_compute_v1
negation_mod
4
0
[ "B3", "SUM_ARITHMETIC" ]
2
0.004
2026-02-08T13:09:38.901890Z
{ "verified": true, "answer": 5189, "timestamp": "2026-02-08T13:09:38.905675Z" }
fd1e55
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 206, "completion_tokens": 863 }, "timestamp": "2026-02-09T18:16:14.576Z", "answer": 5189 }, { "id...
2
[ { "lemma": "B3", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "SUM_ARITHMETIC", "status": "ok" } ]
{ "lo": -9.23, "mid": -6.18, "hi": -4.06 }
fefd55
alg_poly_preperiod_count_v1_1218484723_1491
For a non-negative integer $a$ with $0 \le a \le 48708$, define a sequence by $N = a^2 - 22 \bmod 67$, $M = N^2 - 22 \bmod 67$, $R = M^2 - 22 \bmod 67$, and $S = R^2 - 22 \bmod 67$. Find the number of values of $a$ such that $S = N$, $M \ne N$, and $R \ne N$.
8,724
graphs = [ Graph( let={ "p1": Mod(value=Sum(Pow(Var("a"), Const(2)), Const(-22)), modulus=Const(67)), "p2": Mod(value=Sum(Pow(Ref("p1"), Const(2)), Const(-22)), modulus=Const(67)), "p3": Mod(value=Sum(Pow(Ref("p2"), Const(2)), Const(-22)), modulus=Const(67)), ...
ALG
null
COUNT
sympy
POLY_ORBIT_COUNT
[ "POLY_ORBIT_COUNT" ]
4ad965
alg_poly_preperiod_count_v1
null
6
null
[ "POLY_ORBIT_COUNT" ]
1
0.017
2026-02-25T03:11:59.294164Z
{ "verified": true, "answer": 8724, "timestamp": "2026-02-25T03:11:59.311130Z" }
da9e14
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 224, "completion_tokens": 32768 }, "timestamp": "2026-03-10T04:14:39.623Z", "answer": null }, { ...
1
[ { "lemma": "POLY_ORBIT_COUNT", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": 1.14, "mid": 4.13, "hi": 6.32 }
eca23e
lte_diff_endings_v1_784195855_3520
Let $a = 29$, $b = 1$, $p = 2$, and $n = 4$. Compute $a^n - b^n$, and let $v_p$ be the largest integer $k$ such that $p^k$ divides this difference. Let $k = 6480$. Compute the remainder when $k \cdot v_p$ is divided by $100000$.
25,920
graphs = [ Graph( let={ "a_val": Const(29), "b_val": Const(1), "p_val": Const(2), "n_val": Const(4), "a_pow": Pow(Ref("a_val"), Ref("n_val")), "b_pow": Pow(Ref("b_val"), Ref("n_val")), "pow_diff": Sub(Ref("a_pow"), Ref("b_po...
NT
null
COMPUTE
sympy
LTE_DIFF
[ "LTE_DIFF" ]
cf8260
lte_diff_endings_v1
null
4
null
[ "LTE_DIFF" ]
1
0.001
2026-02-08T06:28:24.458588Z
{ "verified": true, "answer": 25920, "timestamp": "2026-02-08T06:28:24.459222Z" }
4f8723
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 189, "completion_tokens": 401 }, "timestamp": "2026-02-19T09:10:01.514Z", "answer": 25920 } ]
2
[ { "lemma": "K13", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "LTE_DIFF", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V3", "status": "no" }, { "lemma": "V7", "status": "no" } ]
{ "lo": -10, "mid": -6.47, "hi": -2.95 }
e3a47a
modular_count_residue_v1_2051736721_1232
Let $S$ be the set of all ordered pairs $(a,b)$ of positive integers such that $1 \leq a \leq 19$, $1 \leq b \leq 5$, and let $T$ be the set of all integers $t$ such that $9 \leq t \leq 101$ and $t = 4a + 5b$ for some $(a,b) \in S$. Let $m$ be the minimum value of $x + y$ over all ordered pairs $(x,y)$ of positive inte...
1,451
graphs = [ Graph( let={ "_m": Const(44121), "_n": Const(73307), "upper": Const(60000), "m": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Mul(...
NT
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM/B3", "COPRIME_PAIRS" ]
f99a15
modular_count_residue_v1
null
6
0
[ "B3", "COPRIME_PAIRS", "LIN_FORM" ]
3
4.751
2026-02-08T15:54:37.500513Z
{ "verified": true, "answer": 1451, "timestamp": "2026-02-08T15:54:42.251327Z" }
c2d62c
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 264, "completion_tokens": 3471 }, "timestamp": "2026-02-16T16:04:54.647Z", "answer": 1451 }, {...
1
[ { "lemma": "B3", "status": "ok_later" }, { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "K14", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, ...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
5f521b
comb_count_partitions_v1_601307018_2501
Let $M$ be the number of ordered pairs $(x_1, x_2)$ of positive integers such that $x_1 + x_2 = 4$, $x_1$ is odd, and $x_2$ is odd. Let $n = \sum_{k=0}^{M} 6^k$. Let $Q = p(n)$, where $p(n)$ denotes the number of partitions of $n$. Compute $Q$.
63,261
graphs = [ Graph( let={ "_m": Const(4), "_n": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x1"), Var("x2")]), condition=And(IsPositive(arg=Var(name='x1')), IsPositive(arg=Var(name='x2')), IsOdd(arg=Var(name='x1')), IsOdd(arg=Var(name='x2')), Eq(Sum(Var("x1"), Var("x2")), Re...
COMB
null
COUNT
sympy
COMB1
[ "COMB1/SUM_GEOM" ]
5bdb5a
comb_count_partitions_v1
null
4
0
[ "COMB1", "SUM_GEOM" ]
2
0.007
2026-03-10T03:13:29.796580Z
{ "verified": true, "answer": 63261, "timestamp": "2026-03-10T03:13:29.803189Z" }
9684c7
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 207, "completion_tokens": 10076 }, "timestamp": "2026-03-29T05:31:51.412Z", "answer": 63261 }, { ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COMB1", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "SUM_GEOM", "status": "ok_later" }, { "lemma": "V8", "status"...
{ "lo": 1.23, "mid": 4.27, "hi": 6.7 }
acee36
antilemma_sum_equals_v1_1918700295_1781
Let $x$ be the number of ordered pairs $(i,j)$ of positive integers such that $i + j = 84$, $1 \le i \le 82$, and $1 \le j \le 83$. Compute the value of $$ x + \phi\left(|x| + \binom{5}{0}\right) + \tau\left(|x| + 1\right), $$ where $\phi(n)$ denotes Euler's totient function and $\tau(n)$ denotes the number of positiv...
166
graphs = [ Graph( let={ "x": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=Eq(Sum(Var("i"), Var("j")), Const(84)), domain=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(82)), right=IntegerRange(start=Const(1), end=Const(83))))), "Q": ...
COMB
GEOM
COMPUTE
sympy
COUNT_SUM_EQUALS
[ "COUNT_SUM_EQUALS", "ONE_BINOM_0" ]
ec98de
antilemma_sum_equals_v1
null
3
0
[ "COUNT_SUM_EQUALS", "ONE_BINOM_0" ]
2
0.008
2026-02-08T06:01:24.333467Z
{ "verified": true, "answer": 166, "timestamp": "2026-02-08T06:01:24.341410Z" }
cf0ef1
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 227, "completion_tokens": 812 }, "timestamp": "2026-02-24T05:05:27.303Z", "answer": 166 }, { "id"...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "ONE_BINOM_0", "status": "ok" }, { "lemma": "V7", ...
{ "lo": -7.18, "mid": -5, "hi": -3.01 }
8c1e17
alg_sym_quad_system_v1_1218484723_4276
Find the remainder when $$\sum_{\substack{a^2 + b^2 + c^2 = ab + bc + ca \\ 4a + 9b + c = 2058 \\ a,b,c \ge 1}} (a^5 + b^5 + c^5)$$ is divided by $30 \times 317$.
4,371
graphs = [ Graph( let={ "_n": Const(2058), "result": Mod(value=SumOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b"), Var("c")]), condition=And(Eq(Sum(Pow(Var("a"), Const(2)), Pow(Var("b"), Const(2)), Pow(Var("c"), Const(2))), Sum(Mul(Var("a"), Var("b")), ...
ALG
null
COMPUTE
sympy
COUNT_CARTESIAN
[ "COUNT_CARTESIAN" ]
409d7d
alg_sym_quad_system_v1
null
6
0
[ "COUNT_CARTESIAN" ]
1
0.014
2026-02-25T05:54:59.748088Z
{ "verified": true, "answer": 4371, "timestamp": "2026-02-25T05:54:59.761609Z" }
a76ac3
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 1, "correct": { "strict": false, "boxed": false, "relaxed": true }, "usage": { "prompt_tokens": 185, "completion_tokens": 27630 }, "timestamp": "2026-03-29T14:47:59.510Z", "answer": 5781 }, { ...
1
[ { "lemma": "COUNT_CARTESIAN", "status": "ok" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8_...
{ "lo": 1.55, "mid": 4.7, "hi": 7.23 }
16b059
alg_poly4_sum_v1_1218484723_2827
Let $S = \{ t : \text{there exist integers } a, b \text{ with } 1 \leq a \leq 6, 1 \leq b \leq 17 \text{ such that } t = 21a + 9b, 30 \leq t \leq 279 \}$. Let $T = \min\{ x + y : x > 0, y > 0, xy = 18496 \}$. Let $A = \min\{ 124 b_1^3 + 60 a_1^2 b_1 - 210 a_1 b_1^2 + 98 a_1^3 : 1 \leq a_1, b_1 \leq 5 \}$. Compute the r...
84,584
graphs = [ Graph( let={ "_c": Const(3), "_m": Const(98), "_n": Const(82), "result": Mod(value=SumOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), MinOverSet(set=MapOverSet(se...
ALG
null
COMPUTE
sympy
POLY3_MIN
[ "POLY3_MIN", "LIN_FORM", "B3" ]
79a0c1
alg_poly4_sum_v1
null
7
0
[ "B3", "LIN_FORM", "POLY3_MIN" ]
3
0.034
2026-02-25T04:33:04.548545Z
{ "verified": true, "answer": 84584, "timestamp": "2026-02-25T04:33:04.582485Z" }
213738
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 362, "completion_tokens": 32768 }, "timestamp": "2026-03-29T06:53:28.585Z", "answer": null }, { ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "POLY3_MIN", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": 3.81, "mid": 6.33, "hi": 9.49 }
ec834c
nt_count_digit_sum_v1_1248542787_413
Let $n = 30$ and let $\text{upper} = 137641$. Let $\text{target\_sum}$ be the largest prime number less than or equal to $30$. Determine the value of $Q$, where $Q$ is the remainder when $67901$ multiplied by the number of positive integers $n$ with $1 \leq n \leq 137641$ and digit sum equal to $\text{target\_sum}$ is ...
41,621
graphs = [ Graph( let={ "_n": Const(30), "upper": Const(137641), "target_sum": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Ref("_n")), IsPrime(Var("n"))))), "result": CountOverSet(set=SolutionsSet(var=Var("n")...
NT
null
COUNT
sympy
C3
[ "MAX_PRIME_BELOW" ]
dc3ad3
nt_count_digit_sum_v1
null
4
0
[ "C3", "MAX_PRIME_BELOW" ]
2
10.104
2026-02-08T03:06:55.050891Z
{ "verified": true, "answer": 41621, "timestamp": "2026-02-08T03:07:05.154782Z" }
65a6c3
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 214, "completion_tokens": 6644 }, "timestamp": "2026-02-09T16:17:33.446Z", "answer": 41621 }, { ...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" ...
{ "lo": 1.96, "mid": 5.23, "hi": 8.52 }
d0b3ed
algebra_poly_eval_v1_1978505735_8338
Let $$y = \sum_{k=1}^{6} \phi(k) \left\lfloor \frac{6}{k} \right\rfloor,$$ where $\phi(k)$ denotes Euler's totient function. Compute the value of $4y^2 - 3y - 2$.
1,699
graphs = [ Graph( let={ "_n": Const(2), "y": Summation(var="k", start=Const(1), end=Const(6), expr=Mul(EulerPhi(n=Var("k")), Floor(Div(Const(6), Var("k"))))), "result": Sum(Mul(Const(4), Pow(Ref("y"), Ref("_n"))), Mul(Const(-3), Ref("y")), Const(-2)), }, g...
NT
null
COMPUTE
sympy
K2
[ "K2" ]
6897ab
algebra_poly_eval_v1
null
3
0
[ "K2" ]
1
0.002
2026-02-08T20:48:04.096658Z
{ "verified": true, "answer": 1699, "timestamp": "2026-02-08T20:48:04.099079Z" }
de05d1
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 124, "completion_tokens": 584 }, "timestamp": "2026-02-16T18:54:22.154Z", "answer": 1709 }, { "id": 11,...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "L3c", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "V7", "status": "no" } ]
{ "lo": -8.26, "mid": -5.01, "hi": -1.76 }
dd6647
antilemma_k2_v1_1080341949_483
Let $n = 236$. Compute the value of $$\sum_{k=1}^{236} \phi(k) \left\lfloor \frac{n}{k} \right\rfloor,$$ where $\phi(k)$ denotes Euler's totient function.
27,966
graphs = [ Graph( let={ "_n": Const(236), "x": Summation(var="k", start=Const(1), end=Const(236), expr=Mul(EulerPhi(n=Var("k")), Floor(Div(Ref("_n"), Var("k"))))), "Q": Ref("x"), }, goal=Ref("Q"), ) ]
NT
COMB
COMPUTE
sympy
K2
[ "K2" ]
6897ab
antilemma_k2_v1
null
5
0
[ "K2" ]
1
0.001
2026-02-08T13:32:17.446237Z
{ "verified": true, "answer": 27966, "timestamp": "2026-02-08T13:32:17.446748Z" }
0a6701
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": "2026-02-15T17:20:58.063Z", "answer": 27966 }, { ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "V5", "status": "no" }, { "lemma": "V7", "status": "no" } ]
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
f6f8ce
antilemma_k2_v1_1439011603_1284
Let $x = \sum_{k=1}^{240} \phi(k) \left\lfloor \frac{240}{k} \right\rfloor$, where $\phi(k)$ denotes Euler's totient function. Let $d_i$ denote the $i$th decimal digit of $|x|$, starting from the units digit as $i = 0$. Compute $$ \sum_{i=0}^{t-1} d_i (i+1)^2 + 71289, $$ where $t$ is the number of decimal digits of $|x...
71,556
graphs = [ Graph( let={ "x": Summation(var="k", start=Const(1), end=Const(240), expr=Mul(EulerPhi(n=Var("k")), Floor(Div(Const(240), Var("k"))))), "Q": Sum(Summation(var="i", start=Sub(Const(70), Const(70)), end=Sub(NumDigits(x=Abs(arg=Ref(name='x')), base=None), Const(1)), expr=Mul(...
NT
COMB
COMPUTE
sympy
IDENTITY_SUB_SELF
[ "IDENTITY_SUB_SELF", "K2" ]
d684f6
antilemma_k2_v1
null
5
0
[ "IDENTITY_SUB_SELF", "K2" ]
2
0.004
2026-02-08T16:01:07.587572Z
{ "verified": true, "answer": 71556, "timestamp": "2026-02-08T16:01:07.591251Z" }
b61fd9
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": 1133 }, "timestamp": "2026-02-16T18:40:57.798Z", "answer": 71556 }, ...
1
[ { "lemma": "IDENTITY_SUB_SELF", "status": "ok" }, { "lemma": "K16", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, ...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
bd288b
sequence_count_fib_divisible_v1_124444284_2923
Let $S$ be the set of all positive integers $k$ such that $1 \leq k \leq 6384$ and $16$ divides $k$. Let $u$ be the number of elements in $S$. Let $F_n$ denote the $n$-th Fibonacci number. Compute the number of positive integers $n$ such that $1 \leq n \leq u$ and $19$ divides $F_n$.
22
graphs = [ Graph( let={ "_n": Const(16), "upper": CountOverSet(set=SolutionsSet(var=Var("k"), condition=And(Geq(Var("k"), Const(1)), Leq(Var("k"), Const(6384)), Divides(divisor=Ref("_n"), dividend=Var("k"))), domain='positive_integers')), "d": Const(19), "resu...
NT
null
COUNT
sympy
COUNT_FIB_DIVISIBLE
[ "C2" ]
9685eb
sequence_count_fib_divisible_v1
null
7
0
[ "C2", "COUNT_FIB_DIVISIBLE" ]
2
0.082
2026-02-08T05:04:32.621440Z
{ "verified": true, "answer": 22, "timestamp": "2026-02-08T05:04:32.703435Z" }
448ec9
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 206, "completion_tokens": 1287 }, "timestamp": "2026-02-11T22:52:02.867Z", "answer": 22 }, { "id...
1
[ { "lemma": "C2", "status": "ok" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" } ]
{ "lo": -5.55, "mid": -3.01, "hi": 0.33 }
6b9325
comb_bell_compute_v1_784195855_7912
Let $n$ be the number of nonnegative integers $j$ with $0 \leq j \leq 4240$ such that $\binom{4240}{j}$ is odd. Compute the $n$th Bell number, which counts the number of partitions of a set of $n$ elements.
4,140
graphs = [ Graph( let={ "_n": Const(2), "n": CountOverSet(set=SolutionsSet(var=Var("j"), condition=And(Geq(Var("j"), Const(0)), Leq(Var("j"), Const(4240)), Eq(Mod(value=Binom(n=Const(4240), k=Var("j")), modulus=Ref("_n")), Const(1))), domain='nonnegative_integers')), "res...
COMB
null
COMPUTE
sympy
V8
[ "V8" ]
86348e
comb_bell_compute_v1
null
5
0
[ "V8" ]
1
0.001
2026-02-08T09:36:53.739001Z
{ "verified": true, "answer": 4140, "timestamp": "2026-02-08T09:36:53.739738Z" }
5cf003
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 176, "completion_tokens": 730 }, "timestamp": "2026-02-24T11:34:59.197Z", "answer": 4140 }, { "id...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V3", "status": "no" }, { "lemma": "V8", "status": "ok" } ]
{ "lo": -3.84, "mid": -1.67, "hi": 1.32 }
596ca6
antilemma_k2_v1_124444284_594
Let $S$ be the set of all integers $x$ such that $x^2 - 67x - 10434 = 0$. Let $n$ be the sum of all elements in $S$. Compute $\sum_{k=1}^{n} \phi(k) \left\lfloor \frac{67}{k} \right\rfloor$, where $\phi$ denotes Euler's totient function.
2,278
graphs = [ Graph( let={ "_n": Const(2), "x": Summation(var="k", start=Const(1), end=SumOverSet(set=SolutionsSet(var=Var("x"), condition=Eq(Sum(Pow(Var("x"), Ref("_n")), Mul(Const(-67), Var("x")), Const(-10434)), Const(0)))), expr=Mul(EulerPhi(n=Var("k")), Floor(Div(Const(67), Var("k"...
NT
COMB
COMPUTE
sympy
VIETA_SUM
[ "VIETA_SUM/K2", "K2" ]
6be084
antilemma_k2_v1
null
6
0
[ "K2", "VIETA_SUM" ]
2
0.001
2026-02-08T03:22:45.692644Z
{ "verified": true, "answer": 2278, "timestamp": "2026-02-08T03:22:45.693452Z" }
29b733
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 198, "completion_tokens": 4510 }, "timestamp": "2026-02-09T19:33:50.700Z", "answer": 2278 }, { "i...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "L3c", "status": "no" }, { "lemma":...
{ "lo": -3.46, "mid": 1.03, "hi": 5.49 }
e3671c
nt_count_digit_sum_v1_151522320_722
Let $n$ be a positive integer. Define $A$ as the set of all integers $n$ such that $1 \leq n \leq 19996$ and the sum of the digits of $n$ leaves a remainder of 1 when divided by 2. Let $u$ be the number of elements in $A$. Define $B$ as the set of all integers $n$ such that $1 \leq n \leq u$ and the sum of the digits o...
415
graphs = [ Graph( let={ "_n": Const(2), "upper": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Const(19996)), Eq(Mod(value=DigitSum(Var("n")), modulus=Ref("_n")), Const(1))))), "target_sum": Const(24), "result...
NT
null
COUNT
sympy
L3B
[ "L3B" ]
cc148f
nt_count_digit_sum_v1
null
4
0
[ "L3B" ]
1
0.709
2026-02-08T03:28:25.837921Z
{ "verified": true, "answer": 415, "timestamp": "2026-02-08T03:28:26.547080Z" }
f5ea70
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 232, "completion_tokens": 5058 }, "timestamp": "2026-02-10T14:34:33.354Z", "answer": 415 }, { "id...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "L3B", "status": "ok" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "V7", "status"...
{ "lo": -3.46, "mid": 1.03, "hi": 5.49 }
d2e017
sequence_fibonacci_compute_v1_1431428450_993
Let $n$ be the number of integers $t$ in the interval $[9, 36]$ that can be expressed in the form $7a + 2b$ for positive integers $a \le 2$ and $b \le 11$. Compute the $n$-th Fibonacci number.
17,711
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=2)), Geq(left=Var(name='b'), right=Const(value=1...
NT
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
sequence_fibonacci_compute_v1
null
3
0
[ "LIN_FORM" ]
1
0.003
2026-02-08T13:50:53.059479Z
{ "verified": true, "answer": 17711, "timestamp": "2026-02-08T13:50:53.062559Z" }
ae68f3
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 111, "completion_tokens": 1298 }, "timestamp": "2026-02-15T21:26:24.882Z", "answer": 17711 }, ...
1
[ { "lemma": "K15", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "V8", "status": "no" } ]
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
8b6c6b
sequence_count_fib_divisible_v1_124444284_314
Let $d$ be the largest positive divisor of $497718$ that is less than or equal to $702$. Let $r$ be the number of positive integers $n$, where $1 \leq n \leq d$, such that $6$ divides the $n$-th Fibonacci number. Let $c$ be the number of positive integers $n$, where $1 \leq n \leq 20999$, such that $\gcd(n, 14) = 1$. ...
13,640
graphs = [ Graph( let={ "_n": Const(20999), "upper": MaxOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(1)), Leq(Var("d"), Const(702)), Divides(divisor=Var("d"), dividend=Const(497718))))), "d": Const(6), "result": CountOverSet(set=Sol...
NT
null
COUNT
sympy
C4
[ "C4", "MAX_DIVISOR" ]
c42700
sequence_count_fib_divisible_v1
quadratic_mod
5
0
[ "C4", "MAX_DIVISOR" ]
2
0.041
2026-02-08T03:10:30.689933Z
{ "verified": true, "answer": 13640, "timestamp": "2026-02-08T03:10:30.731294Z" }
a66f26
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 231, "completion_tokens": 2584 }, "timestamp": "2026-02-09T15:59:01.941Z", "answer": 13640 }, { "...
1
[ { "lemma": "C4", "status": "ok" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MAX_DIVISOR", "status": "ok" }, { ...
{ "lo": -3.46, "mid": 1.03, "hi": 5.49 }
83238e
modular_count_residue_v1_397696148_2159
Let $m$ be the number of positive integers $n \leq 33$ such that $\gcd(n, 10) = 1$. Let $r$ be the number of positive integers $p$ for which there exists a positive integer $q > p$ such that $pq = 3000$ and $\gcd(p, q) = 1$. Let $N$ be the number of positive integers $n \leq 31333$ such that $n \equiv r \pmod{m}$. Find...
54,628
graphs = [ Graph( let={ "upper": Const(31333), "m": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Const(33)), Eq(GCD(a=Var("n"), b=Const(10)), Const(1))))), "r": CountOverSet(set=SolutionsSet(var=Var("p"), condition=And(I...
NT
null
COUNT
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS", "C4" ]
8c7df5
modular_count_residue_v1
null
6
0
[ "C4", "COPRIME_PAIRS" ]
2
4.004
2026-02-08T12:58:18.764212Z
{ "verified": true, "answer": 54628, "timestamp": "2026-02-08T12:58:22.767947Z" }
7980dd
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 170, "completion_tokens": 2148 }, "timestamp": "2026-02-15T08:15:11.350Z", "answer": 54628 }, ...
1
[ { "lemma": "C4", "status": "ok" }, { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "MAX_VAL", "status": "no...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
74c1df
nt_count_gcd_equals_v1_397696148_1564
Let $N = 5178$, and let $U$ be the largest prime number less than or equal to $N$. Let $k$ be the number of integers $t$ with $21 \leq t \leq 891$ that can be expressed as $t = 12a + 9b$ for some integers $a$ and $b$ satisfying $1 \leq a \leq 3$ and $1 \leq b \leq 95$. Let $D$ be the number of positive integers $n \leq...
326
graphs = [ Graph( let={ "_n": Const(5178), "upper": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Ref("_n")), IsPrime(Var("n"))))), "k": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condit...
NT
null
COUNT
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW", "LIN_FORM" ]
d530e2
nt_count_gcd_equals_v1
null
7
0
[ "LIN_FORM", "MAX_PRIME_BELOW" ]
2
0.406
2026-02-08T12:38:55.360218Z
{ "verified": true, "answer": 326, "timestamp": "2026-02-08T12:38:55.766364Z" }
6f3496
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": 3434 }, "timestamp": "2026-02-15T03:08:53.604Z", "answer": 326 }, { ...
1
[ { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" ...
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
f13db5
geo_count_lattice_rect_v1_168721529_634
Let $a = 169$ and $b = 500$. Compute the number of lattice points in the rectangle $[0, a] \times [0, b]$, including the boundary.
85,170
graphs = [ Graph( let={ "a": Const(169), "b": Const(500), "result": LatticePointsRect(a=Ref(name='a'), b=Ref(name='b')), }, goal=Ref("result"), ) ]
GEOM
null
COUNT
sympy
[]
geo_count_lattice_rect_v1
null
2
0
null
null
0.166
2026-02-08T13:10:11.327431Z
{ "verified": true, "answer": 85170, "timestamp": "2026-02-08T13:10:11.493305Z" }
9d9390
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 155, "completion_tokens": 209 }, "timestamp": "2026-02-09T07:13:08.360Z", "answer": 85170 }, { "i...
1
[]
{ "lo": -7.19, "mid": -5.01, "hi": -3.03 }
0a6b46
algebra_quadratic_discriminant_v1_717093673_2420
Define $a$ to be the number of positive integers $p$ for which there exists a positive integer $q$ such that $p \cdot q = 216$, $\gcd(p, q) = 1$, and $p < q$. Let $b = -1$ and $c = -1$. Define $\Delta = b^2 - 4ac$. Compute the remainder when $25299 \cdot \Delta$ is divided by 78772.
70,147
graphs = [ Graph( let={ "_n": Const(4), "a": 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=216)), Eq(left=GCD(a=Var(name='p'), b=Var(name='q...
NT
null
COMPUTE
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS" ]
2bb3aa
algebra_quadratic_discriminant_v1
null
4
0
[ "COPRIME_PAIRS" ]
1
0.002
2026-02-08T16:50:04.971487Z
{ "verified": true, "answer": 70147, "timestamp": "2026-02-08T16:50:04.973074Z" }
e951b0
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": 844 }, "timestamp": "2026-02-17T12:29:30.227Z", "answer": 70147 }, {...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
331e9f
comb_count_partitions_v1_1218484723_235
Let $n$ be the number of integers $t$ in the range $19 \le t \le 64$ that can be expressed as $t = 3a + 5b + 11$ for some integers $a, b$ with $1 \le a \le 11$ and $1 \le b \le 4$. Compute $p(n)$, where $p(n)$ denotes the number of partitions of $n$ into positive integers.
26,015
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=11)), Geq(left=Var(name='b'), right=Const(value=...
COMB
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
comb_count_partitions_v1
null
4
0
[ "LIN_FORM" ]
1
0.001
2026-02-25T01:55:10.847187Z
{ "verified": true, "answer": 26015, "timestamp": "2026-02-25T01:55:10.848224Z" }
4bef41
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 208, "completion_tokens": 2885 }, "timestamp": "2026-03-10T09:04:46.565Z", "answer": 26015 }, { "...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" } ]
{ "lo": -0.93, "mid": 2.04, "hi": 4.6 }
2b8d51
nt_num_divisors_compute_v1_238844314_1088
Let $S$ be the set of all ordered pairs $(x, y)$ of positive integers such that $xy = 176400$. Define $m$ as the minimum value of $x + y$ over all pairs in $S$. Let $n$ be the sum of $\phi(d)$ over all positive divisors $d$ of $m$, where $\phi$ denotes Euler's totient function. Define $r$ as the number of positive divi...
119
graphs = [ Graph( let={ "_n": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Mul(Var("x"), Var("y")), Const(176400)))), expr=Sum(Var("x"), Var("y")))), "n": SumOverDiv...
NT
null
COMPUTE
sympy
ONE_PHI_1
[ "B3/K3" ]
4a4ef2
nt_num_divisors_compute_v1
null
6
0
[ "B3", "K3", "ONE_PHI_1" ]
3
0.036
2026-02-08T13:54:35.447371Z
{ "verified": true, "answer": 119, "timestamp": "2026-02-08T13:54:35.483294Z" }
04c710
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": 2085 }, "timestamp": "2026-02-15T22:48:18.329Z", "answer": 119 }, { ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "K3", "status": "ok_later" }, { "le...
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
de3e9b
nt_max_prime_below_v1_784195855_4999
Let $T$ be the set of all positive integers $p$ such that there exists a positive integer $q > p$ with $pq = 108$ and $\gcd(p, q) = 1$. Let $m$ be the number of elements in $T$. Let $R$ be the set of all prime numbers $n$ such that $m \le n \le 17424$. Let $M$ be the largest element of $R$. Let $S$ be the set of all in...
56,245
graphs = [ Graph( let={ "upper": Const(17424), "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
LIN_FORM
[ "LIN_FORM", "COPRIME_PAIRS" ]
e30a8c
nt_max_prime_below_v1
negation_mod
6
0
[ "COPRIME_PAIRS", "LIN_FORM" ]
2
0.559
2026-02-08T07:32:46.955778Z
{ "verified": true, "answer": 56245, "timestamp": "2026-02-08T07:32:47.514279Z" }
66c1cd
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": 2976 }, "timestamp": "2026-02-13T11:16:59.203Z", "answer": 56245 }, ...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "POLY_PADIC_VA...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
095c04
antilemma_k3_v1_865884756_3220
Let $n = 12969$. Compute the sum of $\phi(d)$ over all positive divisors $d$ of $n$, where $\phi$ denotes Euler's totient function.
12,969
graphs = [ Graph( let={ "_n": Const(12969), "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
2026-02-08T17:14:42.346353Z
{ "verified": true, "answer": 12969, "timestamp": "2026-02-08T17:14:42.346934Z" }
76a8ae
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 1, "correct": { "strict": false, "boxed": false, "relaxed": true }, "usage": { "prompt_tokens": 100, "completion_tokens": 511 }, "timestamp": "2026-02-16T09:13:36.600Z", "answer": 6917 }, { "id": 11, ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "K3", "status": "ok" }, { "lemma": "V1", "status": "no" } ]
{ "lo": -8.26, "mid": -5.01, "hi": -1.76 }
fe5523
nt_count_gcd_equals_v1_655260480_1585
Let $n$ be a positive integer such that $1 \leq n \leq 28657$. Let $k$ be the smallest integer greater than or equal to 2 that divides 5543093. Suppose $d = 173$. Determine the number of such integers $n$ for which $\gcd(n, k) = d$. Compute this number.
165
graphs = [ Graph( let={ "_n": Const(2), "upper": Const(28657), "k": MinOverSet(set=SolutionsSet(var=Var("d1"), condition=And(Geq(Var("d1"), Ref("_n")), Divides(divisor=Var("d1"), dividend=Const(5543093))))), "d": Const(173), "result": CountOverSet(...
NT
null
COUNT
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR" ]
bc3776
nt_count_gcd_equals_v1
null
4
0
[ "MIN_PRIME_FACTOR" ]
1
2.568
2026-02-08T16:13:41.741005Z
{ "verified": true, "answer": 165, "timestamp": "2026-02-08T16:13:44.308613Z" }
268d72
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 143, "completion_tokens": 591 }, "timestamp": "2026-02-16T07:11:00.232Z", "answer": 165 }, { "id": 11, ...
2
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "V5", "status": "no...
{ "lo": -10, "mid": -7.27, "hi": -4.54 }
423ef6
comb_binomial_compute_v1_349078426_854
Let $D$ be the set of all positive divisors $d$ of $4672$ such that $1 \leq d \leq 64$. Let $m$ be the largest element of $D$. Let $S$ be the set of all ordered pairs of positive integers $(x, y)$ such that $xy = m$. Let $n$ be the minimum value of $x + y$ over all such pairs. Compute the remainder when $\binom{n}{8} \...
7,990
graphs = [ Graph( let={ "_m": Const(64), "_n": Const(66961), "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")), MaxOverSet(set=So...
NT
null
COMPUTE
sympy
MAX_DIVISOR
[ "MAX_DIVISOR/B3" ]
51e324
comb_binomial_compute_v1
null
4
0
[ "B3", "MAX_DIVISOR" ]
2
0.004
2026-02-08T13:18:33.300929Z
{ "verified": true, "answer": 7990, "timestamp": "2026-02-08T13:18:33.304580Z" }
c88cac
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 158, "completion_tokens": 2735 }, "timestamp": "2026-02-15T12:34:17.913Z", "answer": 7990 }, {...
1
[ { "lemma": "B3", "status": "ok_later" }, { "lemma": "K17", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_DIVISOR", "status": "ok" }, { "lemma": "V5", "status": "no" }, { ...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
3006d6
nt_max_prime_below_v1_1125832087_1091
Let $C$ be the number of positive integers $p$ for which there exist positive integers $q$ satisfying $p < q$, $pq = 24$, and $\gcd(p, q) = 1$. Let $S$ be the set of all prime numbers $n$ such that $C \le n \le 53824$. Let $R$ be the largest element of $S$. Compute the remainder when $21904 - R$ is divided by 60758.
28,843
graphs = [ Graph( let={ "upper": Const(53824), "result": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), CountOverSet(set=SolutionsSet(var=Var("p"), condition=And(IsPositive(arg=Var(name='p')), Exists(var=Var(name='q'), condition=And(Eq(left=Mul(Var(name='p'), V...
NT
null
EXTREMUM
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS" ]
2bb3aa
nt_max_prime_below_v1
null
5
0
[ "COPRIME_PAIRS" ]
1
2.717
2026-02-08T03:31:02.954866Z
{ "verified": true, "answer": 28843, "timestamp": "2026-02-08T03:31:05.671432Z" }
9dadd1
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 212, "completion_tokens": 3393 }, "timestamp": "2026-02-10T13:45:36.033Z", "answer": 28843 }, { ...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": ...
{ "lo": -3.49, "mid": 1.84, "hi": 7.55 }
3f25b4
alg_poly_preperiod_count_v1_601307018_1686
Let $N = (a^2 - 31) \bmod 73$, $M = (N^2 - 31) \bmod 73$, $R = (M^2 - 31) \bmod 73$, $S = (R^2 - 31) \bmod 73$, and $T = (S^2 - 31) \bmod 73$. Find the number of non-negative integers $a$ with $0 \le a \le 18176$ such that $T = N$, $M \ne N$, $R \ne N$, and $S \ne N$.
3,984
graphs = [ Graph( let={ "p1": Mod(value=Sum(Pow(Var("a"), Const(2)), Const(-31)), modulus=Const(73)), "p2": Mod(value=Sum(Pow(Ref("p1"), Const(2)), Const(-31)), modulus=Const(73)), "p3": Mod(value=Sum(Pow(Ref("p2"), Const(2)), Const(-31)), modulus=Const(73)), ...
ALG
null
COUNT
sympy
POLY_ORBIT_COUNT
[ "POLY_ORBIT_COUNT" ]
4ad965
alg_poly_preperiod_count_v1
null
7
null
[ "POLY_ORBIT_COUNT" ]
1
0.019
2026-03-10T02:27:40.114323Z
{ "verified": true, "answer": 3984, "timestamp": "2026-03-10T02:27:40.133698Z" }
4d31f3
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 1, "correct": { "strict": false, "boxed": false, "relaxed": true }, "usage": { "prompt_tokens": 245, "completion_tokens": 17626 }, "timestamp": "2026-03-29T03:09:41.210Z", "answer": 1494 }, { ...
0
[ { "lemma": "POLY_ORBIT_COUNT", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": 3.99, "mid": 6.11, "hi": 9.15 }
332641
modular_mod_compute_v1_1125832087_857
Let $a = 10946$. Let $m$ be the number of integers $t$ in the range $8 \leq t \leq 2237$ for which there exist positive integers $a$ and $b$ with $1 \leq a \leq 34$, $1 \leq b \leq 689$, and $t = 5a + 3b$. Compute the remainder when $a$ is divided by $m$.
2,058
graphs = [ Graph( let={ "a": Const(10946), "m": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=34)), Geq(left=Va...
NT
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
modular_mod_compute_v1
null
4
0
[ "LIN_FORM" ]
1
0.003
2026-02-08T03:20:44.710779Z
{ "verified": true, "answer": 2058, "timestamp": "2026-02-08T03:20:44.714036Z" }
42b70a
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 209, "completion_tokens": 4994 }, "timestamp": "2026-02-10T14:01:01.776Z", "answer": 42 }, { "...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MAX_PRIME_BELOW",...
{ "lo": 3.24, "mid": 5.68, "hi": 8.81 }
20d353
comb_count_derangements_v1_1419126231_786
Let $D_n$ denote the number of derangements of $n$ elements. Let $n$ be the number of integers $t$ such that $5 \leq t \leq 14$ and $t = 2a + 3b$ for some integers $a,b$ with $1 \leq a \leq 4$, $1 \leq b \leq 2$. Let $R = D_n$. Find the remainder when $16579 \cdot R$ is divided by $55536$.
2,899
graphs = [ Graph( let={ "_n": Const(55536), "n": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=4)), Geq(left=Va...
COMB
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
comb_count_derangements_v1
null
4
0
[ "LIN_FORM" ]
1
0.002
2026-02-25T10:16:38.365280Z
{ "verified": true, "answer": 2899, "timestamp": "2026-02-25T10:16:38.367191Z" }
0b27be
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": 2112 }, "timestamp": "2026-03-30T09:58:58.640Z", "answer": 2899 }, { "i...
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": -5.37, "mid": 0.23, "hi": 5.22 }
973f78
geo_count_lattice_triangle_v1_1439011603_162
Let $A$ be the area of the triangle with vertices at $(128, 64)$, $(36, 111)$, and $(0, 0)$, multiplied by $2$. Let $B$ be the sum of the greatest common divisors of the absolute values of the differences in coordinates along each side of the triangle: - $\gcd(|128 - 0|, |64 - 0|)$, - $\gcd(|36 - 128|, |111 - 64|)$, ...
66,442
graphs = [ Graph( let={ "area_2x": Abs(arg=Sum(Mul(Const(value=128), Const(value=111)), Mul(Const(value=36), Sub(left=Const(value=0), right=Const(value=64))))), "boundary": Sum(GCD(a=Abs(arg=Const(value=128)), b=Abs(arg=Const(value=64))), GCD(a=Abs(arg=Sub(left=Const(value=36), right...
ALG
NT
COUNT
sympy
[]
geo_count_lattice_triangle_v1
null
4
0
null
null
0.005
2026-02-08T15:18:03.604876Z
{ "verified": true, "answer": 66442, "timestamp": "2026-02-08T15:18:03.609628Z" }
0e249b
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 189, "completion_tokens": 806 }, "timestamp": "2026-02-16T03:47:37.691Z", "answer": 66442 }, {...
1
[]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
37c38b
antilemma_sum_equals_v1_458359167_449
Let $m$ be the number of ordered pairs $(a,b)$ such that $1 \leq a \leq 6$ and $1 \leq b \leq 29$. Let $n$ be the number of ordered pairs $(x_1, x_2)$ of positive odd integers such that $x_1 + x_2 = m$. Define $x$ to be the number of ordered pairs $(i,j)$ with $1 \leq i \leq 85$ and $1 \leq j \leq 85$ such that $i + j ...
391
graphs = [ Graph( let={ "_m": CountOverSet(set=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(6)), right=IntegerRange(start=Const(1), end=Const(29)))), "_n": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x1"), Var("x2")]), condition=And(IsPositive(arg=Var(name=...
COMB
GEOM
COMPUTE
sympy
COUNT_CARTESIAN
[ "COUNT_CARTESIAN/COMB1/COUNT_SUM_EQUALS", "COUNT_SUM_EQUALS" ]
9b4db5
antilemma_sum_equals_v1
null
4
0
[ "COMB1", "COUNT_CARTESIAN", "COUNT_SUM_EQUALS" ]
3
0.005
2026-02-08T03:19:59.428000Z
{ "verified": true, "answer": 391, "timestamp": "2026-02-08T03:19:59.432709Z" }
f3eb3c
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 286, "completion_tokens": 5680 }, "timestamp": "2026-02-23T22:11:45.951Z", "answer": 391 }, { "id...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COMB1", "status": "ok_later" }, { "lemma": "COUNT_CARTESIAN", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "V7", "sta...
{ "lo": 1.97, "mid": 4.36, "hi": 6.69 }
27ce34
antilemma_cartesian_v1_1978505735_3824
Let $x$ be the number of ordered pairs $(a,b)$ such that $1 \leq a \leq 22$ and $1 \leq b \leq 37$. Compute $x + \phi(|x| + \binom{5}{5}) + \tau(|x| + 1)$, where $\phi(n)$ denotes Euler's totient function and $\tau(n)$ denotes the number of positive divisors of $n$.
1,466
graphs = [ Graph( let={ "x": CountOverSet(set=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(22)), right=IntegerRange(start=Const(1), end=Const(37)))), "Q": Sum(Ref("x"), EulerPhi(n=Sum(Abs(arg=Ref(name='x')), Binom(n=Const(5), k=Const(5)))), NumDivisors(n=Sum(Abs(arg=R...
COMB
GEOM
COMPUTE
sympy
COUNT_CARTESIAN
[ "COUNT_CARTESIAN", "ONE_BINOM_N" ]
f14704
antilemma_cartesian_v1
null
3
0
[ "COUNT_CARTESIAN", "ONE_BINOM_N" ]
2
0.002
2026-02-08T17:52:15.705271Z
{ "verified": true, "answer": 1466, "timestamp": "2026-02-08T17:52:15.707019Z" }
972cab
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 136, "completion_tokens": 597 }, "timestamp": "2026-02-24T23:08:03.289Z", "answer": 1466 }, { ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "ONE_BINOM_N", "status": "ok" }, { "lemma": "V7", "sta...
{ "lo": -6.4, "mid": -4.13, "hi": -2.01 }
cf83c9
comb_binomial_compute_v1_1248542787_488
Let $n$ be the number of nonnegative integers $j$ such that $\binom{664}{j}$ is odd and $j \le m$, where $m$ is the smallest positive integer for which $2^{660}$ divides $m!$. Compute $\binom{n}{9}$.
11,440
graphs = [ Graph( let={ "_m": Const(660), "_n": Const(664), "n": CountOverSet(set=SolutionsSet(var=Var("j"), condition=And(Geq(Var("j"), Const(0)), Leq(Var("j"), MinOverSet(set=SolutionsSet(var=Var("n"), condition=Geq(MaxKDivides(target=Factorial(Var("n")), base=Const(2))...
NT
null
COMPUTE
sympy
V5
[ "V5/V8" ]
1e58c2
comb_binomial_compute_v1
null
7
0
[ "V5", "V8" ]
2
0.003
2026-02-08T03:10:25.266516Z
{ "verified": true, "answer": 11440, "timestamp": "2026-02-08T03:10:25.269113Z" }
57dc4a
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 178, "completion_tokens": 2075 }, "timestamp": "2026-02-09T04:41:27.612Z", "answer": 11440 }, { "...
1
[ { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "V5", "status": "ok" }, { "lemma": "V8", "status": "ok_later" }, { ...
{ "lo": -6.51, "mid": -0.31, "hi": 5.43 }
c96e57
comb_count_surjections_v1_124444284_9301
Let $n$ be the number of ordered pairs $(i,j)$ of positive integers such that $i + j = 9$, where $1 \le i \le 7$ and $1 \le j \le 8$. Let $k = 3$. Compute $k! \cdot S(n,k)$, where $S(n,k)$ denotes the Stirling number of the second kind. Report the result as an integer.
1,806
graphs = [ Graph( let={ "n": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=Eq(Sum(Var("i"), Var("j")), Const(9)), domain=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(7)), right=IntegerRange(start=Const(1), end=Const(8))))), "k": Con...
COMB
null
COUNT
sympy
COUNT_SUM_EQUALS
[ "COUNT_SUM_EQUALS" ]
75ab0f
comb_count_surjections_v1
null
5
0
[ "COUNT_SUM_EQUALS" ]
1
0.012
2026-02-08T12:21:52.463800Z
{ "verified": true, "answer": 1806, "timestamp": "2026-02-08T12:21:52.476142Z" }
4d17d6
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": 1163 }, "timestamp": "2026-02-24T15:38:25.346Z", "answer": 1806 }, { "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_SU...
{ "lo": -4.92, "mid": -2.91, "hi": -0.68 }
734f58
nt_sum_over_divisible_v1_458359167_969
Let $N = 44121$. Let $d$ be the number of positive integers $p$ for which there exists a positive integer $q > p$ such that $pq = 6$ and $\gcd(p, q) = 1$. Let $S$ be the set of all positive integers $n \leq 21609$ such that $n$ is divisible by $d$. Let $T$ be the sum of all elements in $S$. Find the remainder when $N \...
24,510
graphs = [ Graph( let={ "_n": Const(44121), "upper": Const(21609), "divisor": 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=6)),...
NT
null
SUM
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS" ]
2bb3aa
nt_sum_over_divisible_v1
null
4
0
[ "COPRIME_PAIRS" ]
1
1.393
2026-02-08T04:12:43.418923Z
{ "verified": true, "answer": 24510, "timestamp": "2026-02-08T04:12:44.811761Z" }
ad6d21
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 226, "completion_tokens": 1860 }, "timestamp": "2026-02-10T15:52:41.131Z", "answer": 24510 }, { ...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "K15", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "V3", "status": "no" }, { "lemma": "V7", "status": "no" } ]
{ "lo": -3.42, "mid": 1.86, "hi": 7.55 }
1929bb
nt_min_crt_v1_458359167_2933
Let $m = 9$ and $k = 11$. Let $a = 1$ and $b = 4$. Let $\text{upper}$ be the number of integers $t$ with $22 \leq t \leq 242$ such that there exist positive integers $a \leq 7$ and $b \leq 21$ satisfying $t = 10a + 8b + 4$. Determine the value of the smallest positive integer $n \leq \text{upper}$ such that $n \equiv a...
37
graphs = [ Graph( let={ "m": Const(9), "k": Const(11), "a": Const(1), "b": Const(4), "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'), ...
NT
null
EXTREMUM
sympy
MAX_PRIME_BELOW
[ "LIN_FORM" ]
7b2633
nt_min_crt_v1
null
5
0
[ "LIN_FORM", "MAX_PRIME_BELOW" ]
2
0.03
2026-02-08T06:50:33.030324Z
{ "verified": true, "answer": 37, "timestamp": "2026-02-08T06:50:33.060161Z" }
5f8660
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 194, "completion_tokens": 585 }, "timestamp": "2026-02-15T17:48:27.841Z", "answer": 19 }, { "id": 11, ...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "V8", "status": "no" } ]
{ "lo": -9.14, "mid": -6.05, "hi": -3.73 }
97dc89
nt_count_intersection_v1_1918700295_3980
Let $N$ be the number of positive integers $n \leq 20001$ such that the sum of the digits of $n$ is even. Let $S$ be the set of positive divisors $d$ of $543165$ that are at least $1$ and at most $735$. Define $a$ to be the smallest integer $d \geq 2$ that divides the maximum element of $S$. Let $b = 16$. Compute the n...
1,667
graphs = [ Graph( let={ "_n": Const(2), "N": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Const(20001)), Eq(Mod(value=DigitSum(Var("n")), modulus=Const(2)), Const(0))))), "a": MinOverSet(set=SolutionsSet(var=Var("d"), co...
NT
null
COUNT
sympy
MAX_DIVISOR
[ "MAX_DIVISOR/MIN_PRIME_FACTOR", "L3B" ]
0680cd
nt_count_intersection_v1
null
5
0
[ "L3B", "MAX_DIVISOR", "MIN_PRIME_FACTOR" ]
3
0.916
2026-02-08T09:04:20.797607Z
{ "verified": true, "answer": 1667, "timestamp": "2026-02-08T09:04:21.713214Z" }
577be9
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": 2219 }, "timestamp": "2026-02-14T00:02:25.814Z", "answer": 1667 }, {...
1
[ { "lemma": "L3B", "status": "ok" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MAX_DIVISOR", "status": "ok" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok_later" }, { "lemma": "MOD_SUB", "status...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
2a9d83
sequence_fibonacci_compute_v1_1742523217_3922
Let $n$ be the smallest divisor of $317205857$ that is at least $2$. Compute the $n$th Fibonacci number.
28,657
graphs = [ Graph( let={ "_n": Const(2), "n": MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Ref("_n")), Divides(divisor=Var("d"), dividend=Const(317205857))))), "result": Fibonacci(arg=Ref(name='n')), }, goal=Ref("result"), ) ]
NT
null
COMPUTE
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR" ]
bc3776
sequence_fibonacci_compute_v1
null
3
0
[ "MIN_PRIME_FACTOR" ]
1
0.001
2026-02-08T06:08:42.041318Z
{ "verified": true, "answer": 28657, "timestamp": "2026-02-08T06:08:42.042184Z" }
f053d0
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 77, "completion_tokens": 923 }, "timestamp": "2026-02-12T20:02:31.036Z", "answer": 28657 }, { ...
1
[ { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "V5", "status...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
a161a1
modular_modexp_compute_v1_971394319_1119
Let $e$ be the maximum value of $xy$ over all pairs of positive integers $(x, y)$ such that $x + y = 128$. Let $a = 19$ and $m = 66666$. Compute $r = a^e \bmod m$, and let $s = |r|$. Finally, let $Q$ be the Bell number $B_t$, where $t = s \bmod 11$. Find the value of $Q$.
21,147
graphs = [ Graph( let={ "_n": Const(128), "a": Const(19), "e": 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=M...
NT
COMB
COMPUTE
sympy
B1
[ "B1" ]
5b950e
modular_modexp_compute_v1
null
7
0
[ "B1" ]
1
0.002
2026-02-08T13:30:26.907378Z
{ "verified": true, "answer": 21147, "timestamp": "2026-02-08T13:30:26.909130Z" }
65bd54
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": 2594 }, "timestamp": "2026-02-15T16:33:38.259Z", "answer": 21147 }, ...
1
[ { "lemma": "B1", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "V5", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
fee7b6
sequence_fibonacci_compute_v1_677425708_3564
Let $n$ be the minimum value of $x + y$ where $x$ and $y$ are positive integers such that $xy = 100$. Let $F_n$ denote the $n$th Fibonacci number, defined by $F_1 = F_2 = 1$ and $F_k = F_{k-1} + F_{k-2}$ for $k \geq 3$. Let $B_k$ denote the $k$th Bell number, which counts the number of partitions of a set of $k$ elemen...
1
graphs = [ Graph( let={ "_n": Const(100), "n": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Mul(Var("x"), Var("y")), Ref("_n")))), expr=Sum(Var("x"), Var("y")))), ...
COMB
null
COMPUTE
sympy
B3
[ "B3" ]
0cd20d
sequence_fibonacci_compute_v1
null
6
0
[ "B3" ]
1
0.001
2026-02-08T05:49:11.152686Z
{ "verified": true, "answer": 1, "timestamp": "2026-02-08T05:49:11.153642Z" }
122735
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 266, "completion_tokens": 727 }, "timestamp": "2026-02-24T04:38:37.258Z", "answer": 1 }, { "id": ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ...
{ "lo": -3.84, "mid": -1.69, "hi": 1.09 }
9687ef
algebra_poly_eval_v1_153355830_2200
Let $b = 17$. Define $r$ to be the result of the expression $$ \left(60^2 \cdot \text{the number of positive integers } k \text{ such that } 1 \leq k \leq 240 \text{ and } 60 \mid k\right) + b - 10. $$ Let $Q$ be the Bell number $B_{|r| \mod 11}$, where $B_n$ denotes the number of partitions of a set of size $n$. Compu...
4,140
graphs = [ Graph( let={ "b": Const(17), "result": Sum(Mul(CountOverSet(set=SolutionsSet(var=Var("k"), condition=And(Geq(Var("k"), Const(1)), Leq(Var("k"), Const(240)), Divides(divisor=Const(60), dividend=Var("k"))), domain='positive_integers')), Pow(Ref("b"), Const(2))), Ref("b"), Co...
COMB
NT
COMPUTE
sympy
C2
[ "C2" ]
9685eb
algebra_poly_eval_v1
null
3
0
[ "C2" ]
1
0.002
2026-02-08T06:58:47.436344Z
{ "verified": true, "answer": 4140, "timestamp": "2026-02-08T06:58:47.438303Z" }
5b7c7f
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": 685 }, "timestamp": "2026-02-13T06:43:18.496Z", "answer": 4140 }, { ...
1
[ { "lemma": "C2", "status": "ok" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "V8", "status": "no" } ]
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
fecd6a
antilemma_coprime_grid_v1_168721529_220
Let $S$ be the set of all ordered pairs $(i,j)$ of positive integers such that $1 \leq i \leq 24$, $1 \leq j \leq 176$, and $\gcd(i,j) = 1$. Compute the number of elements in $S$.
2,607
graphs = [ Graph( let={ "x": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=Eq(GCD(a=Var("i"), b=Var("j")), Const(1)), domain=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(24)), right=IntegerRange(start=Const(1), end=Const(176))))), }, ...
NT
COMB
COMPUTE
sympy
COUNT_COPRIME_GRID
[ "COUNT_COPRIME_GRID" ]
20ec03
antilemma_coprime_grid_v1
null
5
0
[ "COUNT_COPRIME_GRID" ]
1
0.001
2026-02-08T12:54:22.408441Z
{ "verified": true, "answer": 2607, "timestamp": "2026-02-08T12:54:22.409203Z" }
201ea6
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 178, "completion_tokens": 1859 }, "timestamp": "2026-02-09T02:39:02.942Z", "answer": 2607 }, { "i...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "ok" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "V3", "status"...
{ "lo": -2.06, "mid": 1.85, "hi": 5.2 }
119649
nt_sum_divisors_mod_v1_2051736721_4566
Let $n = 7560$. Define $\sigma$ to be the sum of all positive divisors of $n$. Let $M = 10069$. Compute the remainder when $\sigma$ is divided by $M$; call this value $r$. Let $c$ be the number of ordered pairs $(x_1, x_2)$ of positive odd integers such that $x_1 + x_2 = 154$. Determine the value of $$ Q = (r^2 + 10r +...
35,746
graphs = [ Graph( let={ "_n": Const(10), "n": Const(7560), "M": Const(10069), "sigma": SumDivisors(n=Ref("n")), "result": Mod(value=Ref("sigma"), modulus=Ref("M")), "_c": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x1"), Var(...
NT
null
COMPUTE
sympy
COMB1
[ "COMB1" ]
0a3d6e
nt_sum_divisors_mod_v1
quadratic_mod
4
0
[ "COMB1" ]
1
0.004
2026-02-08T18:02:36.266820Z
{ "verified": true, "answer": 35746, "timestamp": "2026-02-08T18:02:36.271168Z" }
4b6738
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 161, "completion_tokens": 1488 }, "timestamp": "2026-02-18T12:12:53.056Z", "answer": 35746 }, ...
1
[ { "lemma": "COMB1", "status": "ok" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "V5", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }