OFFSET
0,3
LINKS
Vaclav Kotesovec, Table of n, a(n) for n = 0..1000
FORMULA
a(n) ~ exp(2^(5/4) * Pi / 3^(5/4) * (7/(5*Zeta(3)))^(1/4) * n^(3/4)) *(7/(15*Zeta(3)))^(1/8) / (2^(15/8) * n^(5/8)).
MATHEMATICA
nmax = 40; CoefficientList[Series[Exp[Sum[-(-1)^j * Sum[Sum[d^2 MoebiusMu[k/d], {d, Divisors @ k}] * x^(j*k) / j, {k, 1, Floor[nmax/j] + 1}], {j, 1, nmax}]], {x, 0, nmax}], x] (* Vaclav Kotesovec, Mar 31 2018 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Vaclav Kotesovec, Mar 28 2018
STATUS
approved