OFFSET
0,3
COMMENTS
Also n-th derivative of (x^((x^x)^x))^x = x^(x^(x^2)*x) at x=1.
LINKS
Alois P. Heinz, Table of n, a(n) for n = 0..400
FORMULA
E.g.f.: (x+1)^((x+1)^(x^2+2*x+2)).
MAPLE
a:= n-> n!*coeff(series(subs(x=x+1, x^(x^(x^2)*x) ), x, n+1), x, n):
seq(a(n), n=0..25);
CROSSREFS
KEYWORD
nonn
AUTHOR
Alois P. Heinz, Aug 21 2012
STATUS
approved