OFFSET
0,2
LINKS
Seiichi Manyama, Table of n, a(n) for n = 0..366
FORMULA
Convolution inverse of A288261.
a(n) ~ 8 * Gamma(3/4)^8 * exp(2*Pi*n) / (3*Pi^2). - Vaclav Kotesovec, Jun 03 2018
MATHEMATICA
terms = 12;
E4[x_] = 1 + 240*Sum[k^3*x^k/(1 - x^k), {k, 1, terms}];
E6[x_] = 1 - 504*Sum[k^5*x^k/(1 - x^k), {k, 1, terms}];
E4[x]/E6[x] + O[x]^terms // CoefficientList[#, x]& (* Jean-François Alcover, Feb 23 2018 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Seiichi Manyama, Feb 11 2018
STATUS
approved