You are here

MAA Found Math - Week 3

MAA Found Math 2015 - Week 3

Roger Nelsen of Lewis & Clark College found this sign on a door leading to a stairwell at the Faculty of Economics and Business at the University of Amsterdam. It is a "proof without words" that the sum of two consecutive triangular numbers is a square.

Year: 
2015
Week: 
3

Dummy View - NOT TO BE DELETED