Tetrahedral Numbers
Featuring James Grime.
Bug Byte puzzle from Jane Street at https://bit.ly/janestreet-bugbyte and programs at https://bit.ly/janestreet-programs (episode sponsor)
Dr James Grime discussing triangular numbers, cubes, pentagonal numbers, hexagonal numbers, tetrahedral numbers and Pollock's Conjecture.
James Grime: https://www.singingbanana.com
More James on Numberphile: http://bit.ly/grimevideos
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