OFFSET
0,2
LINKS
Seiichi Manyama, Table of n, a(n) for n = 0..426
FORMULA
Convolution cube of A289292.
a(n) ~ (-1)^n * c * exp(Pi*sqrt(3)*n) / n^(5/2), where c = 81*Gamma(1/3)^27 / (32768*sqrt(2)*Pi^(37/2)) = 0.39832876770813443250501819621900549862424768734... - Vaclav Kotesovec, Mar 05 2018
CROSSREFS
KEYWORD
sign
AUTHOR
Seiichi Manyama, Feb 22 2018
STATUS
approved