OFFSET
1,10
FORMULA
a(n) ~ exp(Pi*sqrt(2*n)/3) * Gamma(2/3) * Gamma(5/6) / (4 * sqrt(3*Pi) * n). - Vaclav Kotesovec, Aug 27 2015
MATHEMATICA
nmax = 100; Rest[CoefficientList[Series[Product[1/((1 - x^(6k+4))*(1 - x^(6k+5))), {k, 0, nmax}], {x, 0, nmax}], x]] (* Vaclav Kotesovec, Aug 27 2015 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
STATUS
approved