OFFSET
0,3
LINKS
Seiichi Manyama, Table of n, a(n) for n = 0..5000
FORMULA
a(0) = 1, a(n) = -Sum_{k=1..n} A010815(k-1)*a(n-k) for n > 0.
MATHEMATICA
m = 44; CoefficientList[Series[1/(1 + x*Product[1 - x^k, {k, 1, m}]), {x, 0, m}], x] (* Amiram Eldar, May 05 2021 *)
PROG
(PARI) N=66; x='x+O('x^N); Vec(1/(1+x*prod(k=1, N, 1-x^k)))
CROSSREFS
KEYWORD
sign
AUTHOR
Seiichi Manyama, Jan 18 2020
STATUS
approved