OFFSET
13,1
LINKS
Joerg Arndt and Alois P. Heinz, Table of n, a(n) for n = 13..100
MAPLE
b:= proc(n, i, t) option remember; `if`(n<1, 1, expand(add(
`if`(j>i, x, 1) *b(n-1, j, t+`if`(j=i, 1, 0)), j=0..t+1)))
end:
a:= n-> coeff(b(n-1, 0$2), x, 8):
seq(a(n), n=13..35);
CROSSREFS
KEYWORD
nonn
AUTHOR
Joerg Arndt and Alois P. Heinz, Jun 01 2014
STATUS
approved