OFFSET
0,4
LINKS
Seiichi Manyama, Table of n, a(n) for n = 0..200
FORMULA
E.g.f.: Product_{k>=1} (1 + x^(2*k-1))^(mu(2*k-1)/(2*k-1)), where mu() is the Moebius function.
PROG
(PARI) my(N=30, x='x+O('x^N)); Vec(serlaplace(exp(x-sum(k=1, ceil(log(N+1)/log(2)), x^2^k/2^k))))
CROSSREFS
KEYWORD
sign
AUTHOR
Seiichi Manyama, Jul 06 2024
STATUS
approved