Greco-Latin squares and magic squares
( go to the article → https://www.johndcook.com/blog/2022/01/11/greco-latin-squares/ )
Suppose you create an n × n Latin square filled with the first n letters of the Roman alphabet. This means that each letter appears exactly once in each row and in each column. You could repeat the same exercise only using the Greek alphabet. Is it possible to find two n × n Latin […] The post Greco-Latin squares and magic squares first appeared on John D. Cook.
Jan. 11, 2022, 5:10 p.m.