OFFSET
0,4
LINKS
Seiichi Manyama, Table of n, a(n) for n = 0..449
MATHEMATICA
With[{nn=30}, CoefficientList[Series[1/Product[(1+x^k/k)^k, {k, nn}], {x, 0, nn}], x] Range[0, nn]!] (* Harvey P. Dale, Jul 30 2021 *)
PROG
(PARI) N=66; x='x+O('x^N); Vec(serlaplace(1/prod(k=1, N, (1+x^k/k)^k)))
CROSSREFS
KEYWORD
sign
AUTHOR
Seiichi Manyama, Oct 31 2017
STATUS
approved