OFFSET
0,3
LINKS
Seiichi Manyama, Table of n, a(n) for n = 0..385
FORMULA
a(0) = 1 and a(n) = (1/n) * Sum_{k=1..n} A294608(k) * a(n-k) for n > 0.
MATHEMATICA
nmax = 20; CoefficientList[Series[Product[1/(1 - k*x^k)^(k^k), {k, 1, nmax}], {x, 0, nmax}], x] (* Vaclav Kotesovec, Nov 05 2017 *)
PROG
(PARI) N=66; x='x+O('x^N); Vec(1/prod(k=1, N, (1-k*x^k)^k^k))
CROSSREFS
KEYWORD
nonn
AUTHOR
Seiichi Manyama, Nov 04 2017
STATUS
approved