OFFSET
9,3
LINKS
Alois P. Heinz, Table of n, a(n) for n = 9..1000
MAPLE
b:= proc(n, i, p, k) option remember; `if`(n=0, p!, `if`(i<1, 0,
add(b(n-i*j, i-1, p+j, k)/j!, j=0..min(n/i, k))))
end:
a:= n-> b(n$2, 0, 9) -b(n$2, 0, 8):
seq(a(n), n=9..50);
CROSSREFS
KEYWORD
nonn
AUTHOR
Alois P. Heinz, May 29 2014
STATUS
approved