! Copyright (c) 2012 Anonymous
-! See http://factorcode.org/license.txt for BSD license.
+! See https://factorcode.org/license.txt for BSD license.
USING: kernel math prettyprint sequences ;
IN: rosetta-code.hofstadter-q
-! http://rosettacode.org/wiki/Hofstadter_Q_sequence
+! https://rosettacode.org/wiki/Hofstadter_Q_sequence
! The Hofstadter Q sequence is defined as:
! Q(1) = Q(2) = 1