OFFSET
0,2
LINKS
Seiichi Manyama, Table of n, a(n) for n = 0..1000
FORMULA
Convolution inverse of A298993.
a(n) ~ 2^(2*n - 2) * exp(Pi*sqrt(n/6)) / (3^(1/4) * n^(3/4)). - Vaclav Kotesovec, Apr 18 2018
MATHEMATICA
CoefficientList[Series[Sqrt[QPochhammer[-1, 4*x]/2], {x, 0, 20}], x] (* Vaclav Kotesovec, Apr 18 2018 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Seiichi Manyama, Jan 31 2018
STATUS
approved