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Hello there.

This is Numberphile. We mainly post videos about mathematics and just numbers in general.

The Josephus Problem

The Josephus Problem

The Josephus Problem, featuring Daniel Erman from University of Wisconsin-Madison.

Winning at Dots and Boxes: https://youtu.be/KboGyIilP6k

Correction: Around 9:40 that should be L less than 2^a NOT 2a --- Sorry, typo in editing! But you got the point hopefully.

The Seven Bridges of Königsberg

The Seven Bridges of Königsberg

Imagining Numbers as Shapes

Imagining Numbers as Shapes