OFFSET
0,3
LINKS
Alois P. Heinz, Table of n, a(n) for n = 0..450
FORMULA
MAPLE
a:= proc(n) a(n):= n*a(n-1) + n^(1+n mod 2) end: a(0):= 0:
seq(a(n), n=0..23);
CROSSREFS
KEYWORD
nonn
AUTHOR
Alois P. Heinz, May 17 2021
STATUS
approved