Someone came up to me after the talk and suggested triangular numbers. Very interesting! Here is a link saying they touch each value exactly once: https://fgiesen.wordpress.com/2015/02/22/triangular-numbers-mod-2n/
Someone came up to me after the talk and suggested triangular numbers. Very interesting! Here is a link saying they touch each value exactly once:
https://fgiesen.wordpress.com/2015/02/22/triangular-numbers-mod-2n/