#!/usr/bin/ruby

#
## https://rosettacode.org/wiki/Multifactorial
#

func mfact(s, n) {
    n > 0 ? (n * mfact(s, n-s)) : 1;
}
 
for s in range(1, 10) {
    say "step=#{s}: #{1..10 -> map {|n| mfact(s, n)}.join(' ')}";
}