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A363252 a(n) = gcd(A000041(n), A000009(n)). 0
1, 1, 1, 1, 1, 1, 1, 5, 2, 2, 2, 4, 1, 1, 1, 1, 1, 1, 1, 2, 1, 4, 1, 1, 1, 2, 3, 2, 2, 1, 4, 2, 3, 7, 2, 3, 1, 1, 1, 1, 21, 21, 2, 1, 1, 2, 6, 14, 3, 1, 2, 1, 1, 1, 1, 2, 1, 3, 4, 4, 17, 1, 2, 1, 2, 2, 4, 1, 3, 5, 1, 1, 1, 1, 2, 2, 1, 1, 2, 2, 4, 1, 1, 1, 2, 11, 2 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,8
LINKS
MAPLE
b:= proc(n) option remember; `if`(n=0, 1, add(b(n-j)*add(
`if`(d::odd, d, 0), d=numtheory[divisors](j)), j=1..n)/n)
end:
a:= n-> igcd(b(n), combinat[numbpart](n)):
seq(a(n), n=0..120); # Alois P. Heinz, May 23 2023
MATHEMATICA
Table[GCD[PartitionsP[n], PartitionsQ[n]], {n, 0, 100}]
CROSSREFS
Sequence in context: A306966 A286016 A119320 * A070962 A093008 A297827
KEYWORD
nonn
AUTHOR
Vaclav Kotesovec, May 23 2023, inspired by Zhi-Wei Sun
STATUS
approved

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Last modified August 29 23:09 EDT 2024. Contains 375519 sequences. (Running on oeis4.)