OFFSET
0,2
LINKS
Vaclav Kotesovec, Table of n, a(n) for n = 0..10000
FORMULA
a(n) ~ (Pi^2/6 + log(2)^2)^(1/4) * exp(sqrt((Pi^2/3 + 2*log(2)^2)*n)) / (2^(3/4) * sqrt(3*Pi) * n^(3/4)).
MATHEMATICA
nmax = 80; CoefficientList[Series[Sum[2^k*x^(k^2) / Product[1-x^j, {j, 1, k}], {k, 0, Sqrt[nmax]}], {x, 0, nmax}], x]
CROSSREFS
KEYWORD
nonn,new
AUTHOR
Vaclav Kotesovec, Oct 10 2024
STATUS
approved