How many Latin squares are there?
( go to the article → https://www.johndcook.com/blog/2021/12/13/latinsquares/ )
A Latin square is an n × n grid with a number from 1 to n in each cell, such that no number appears twice in a row or twice in a column. It’s not obvious that Latin squares exist for all n, but they do, and in fact there are a lot of them. […]
The post How many Latin squares are there? first appeared on John D. Cook.
Dec. 13, 2021, 2:44 p.m.
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