OFFSET
0,4
FORMULA
a(n) ~ n! * (exp(2) + 2*exp(1/2) * cos((4*Pi*n - 3*sqrt(3))/6)) / (3^(2/3)*Gamma(2/3)*n^(4/3)) * (1 - 3^(5/6)*Gamma(2/3)^2 / (2*Pi*n^(1/3))). - Vaclav Kotesovec, Jun 08 2021
MATHEMATICA
nmax = 30; CoefficientList[Series[E^(x-(1-x^3)^(1/3)+1), {x, 0, nmax}], x] * Range[0, nmax]! (* Vaclav Kotesovec, Jun 08 2021 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Karol A. Penson and Katarzyna Gorska, Jun 25 2015
STATUS
approved