From Numberphile.
Featuring Dr James Grime on Erdős–Woods Numbers. More links & stuff in full description below ↓↓↓
James Grime: https://www.singingbanana.com
More James on Numberphile: http://bit.ly/grimevideos
Erdős–Woods Numbers in the OEIS: https://oeis.org/A059756 (and see links to other related sequences, including https://oeis.org/A059757)
Brown Numbers: https://www.youtube.com/watch?v=-Djj6pfR9KU
Imaginary Erdős Numbers: https://www.youtube.com/watch?v=izdZPx89ph4&t=39s
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