OFFSET
0,2
LINKS
Seiichi Manyama, Table of n, a(n) for n = 0..367
FORMULA
G.f.: Product_{k>=1} (1-q^k)^(A289061(k)/8).
a(n) ~ c * exp(2*Pi*n) / n^(5/4), where c = -3^(1/2) * Pi^(1/4) * exp(-Pi/4) / (2^(7/4) * Gamma(3/4)^2) = -0.20815359871514720517220474749202446933362532... - Vaclav Kotesovec, Mar 07 2018
MATHEMATICA
CoefficientList[Series[((256/QPochhammer[-1, x]^8 + x*QPochhammer[-1, x]^16/256)^3 - 1728*x)^(1/8), {x, 0, 20}], x] (* Vaclav Kotesovec, Mar 07 2018 *)
CROSSREFS
KEYWORD
sign
AUTHOR
Seiichi Manyama, Jul 02 2017
STATUS
approved