! Copyright (c) 2008 Samuel Tardieu
-! See http://factorcode.org/license.txt for BSD license.
+! See https://factorcode.org/license.txt for BSD license.
USING: kernel math math.parser project-euler.common sequences ;
IN: project-euler.057
-! http://projecteuler.net/index.php?section=problems&id=57
+! https://projecteuler.net/index.php?section=problems&id=57
! DESCRIPTION
! -----------