OFFSET
0,2
LINKS
Seiichi Manyama, Table of n, a(n) for n = 0..33
FORMULA
a(n) ~ 2^(3*n^2 - 3*n + 1). - Vaclav Kotesovec, Apr 25 2018
PROG
(PARI) N=20; x='x+O('x^N); Vec(prod(k=1, N, ((1+(8^k*x)^k)/(1-(8^k*x)^k))^(1/8^k)))
CROSSREFS
KEYWORD
nonn
AUTHOR
Seiichi Manyama, Apr 24 2018
STATUS
approved