Euler Squares – Numberphile

From Numberphile.

Also known as Graeco-Latin Squares. Featuring Dr James Grime.
Extra footage at: https://youtu.be/HuIrUeODtVQ
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This video was coincidentally released the day of this news: https://www.news18.com/news/opinion/indian-maths-genius-who-debunked-eulers-theory-made-it-to-nyc-front-page-dies-at-103-2611193.html

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