OFFSET
0,3
LINKS
Alois P. Heinz, Table of n, a(n) for n = 0..200
FORMULA
E.g.f.: exp(x*exp(x)+x^2*exp(x)^2/2+x^3*exp(x)^3/3+x^6*exp(x)^6/6).
MAPLE
egf:= exp(x*exp(x)+x^2*exp(x)^2/2+x^3*exp(x)^3/3+x^6*exp(x)^6/6):
a:= n-> n!*coeff(series(egf, x, n+1), x, n):
seq(a(n), n=0..25);
CROSSREFS
KEYWORD
nonn
AUTHOR
Alois P. Heinz, Jul 24 2014
STATUS
approved