OFFSET
0,3
COMMENTS
Euler transform of A010872.
LINKS
Seiichi Manyama, Table of n, a(n) for n = 0..10000
FORMULA
a(n) ~ exp(Pi*sqrt(2*n/3)) * Pi^(2/3) / (2^(5/6) * 3^(7/6) * Gamma(1/3) * n^(5/6)).
MATHEMATICA
nmax = 60; CoefficientList[Series[Product[1/(1-x^k)^Mod[k, 3], {k, 1, nmax}], {x, 0, nmax}], x]
CROSSREFS
KEYWORD
nonn
AUTHOR
Vaclav Kotesovec, Mar 24 2018
STATUS
approved