Recreational mathematics Backwards and forwards Continued fractions, music, and calendars Game graphs for Towers of Hanoi on 3 or more pegs Larger game graphs for Towers of Hanoi Generalized continued fractions and equal temperament M12 Pythagorean triples… and so on Triangular numbers as sums of triangular numbers Why it stinks living in five dimensions Share this:TwitterFacebookEmailRedditPinterestMorePrintDiggLinkedInTumblrStumbleUponLike this:LikeBe the first to like this page.