Very nice page. The only suggestion would be to reduce the fraction 126 / 512.
In mathematics, you don't understand things. You just get used to them.
Of course that result can be rigorously obtained, but who cares?
Combinatorics is Algebra and Algebra is Combinatorics.
Looks very good to me.
mathaholic: Sey, I nca, cetpex hist orwd: ezpluz. Hatw?
You cannot teach a man anything; you can only help him find it within himself..........Galileo Galilei