OFFSET
0,3
COMMENTS
(a(n) / (n-1)!^2)^(1/n) tends to 4.3002... - Vaclav Kotesovec, Apr 11 2018
LINKS
Vaclav Kotesovec, Table of n, a(n) for n = 0..100
MATHEMATICA
Table[SeriesCoefficient[1 + x Fold[((#2 + 1) x #1 + 1)^n &, 0, Reverse[Range[n]]], {x, 0, n}], {n, 0, 16}]
CROSSREFS
KEYWORD
nonn
AUTHOR
Ilya Gutkovskiy, Apr 11 2018
STATUS
approved