! Copyright (c) 2007 Aaron Schaefer.
! See http://factorcode.org/license.txt for BSD license.
USING: combinators.short-circuit kernel math math.functions
- math.ranges namespaces project-euler.common sequences ;
+ ranges namespaces project-euler.common sequences ;
IN: project-euler.021
! http://projecteuler.net/index.php?section=problems&id=21