OFFSET
0,3
LINKS
Seiichi Manyama, Table of n, a(n) for n = 0..3799
MATHEMATICA
nmax = 30; CoefficientList[Series[Product[(1 - k^2*x^k)^(k^2), {k, 1, nmax}], {x, 0, nmax}], x] (* Vaclav Kotesovec, Nov 12 2017 *)
PROG
(PARI) N=66; x='x+O('x^N); Vec(prod(k=1, N, (1-k^2*x^k)^k^2))
CROSSREFS
KEYWORD
sign
AUTHOR
Seiichi Manyama, Nov 03 2017
STATUS
approved