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

The Trapped Knight

The Trapped Knight

Additional information

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Neil Sloane is creator of the On-Line Encyclopedia of Integer Sequences: https://oeis.org

For more on the sequences and diagrams in this video, you can start at: https://oeis.org/A316667

The sequence was submitted by and diagrams by Daniƫl Karssen.

More chess-related videos on Numberphile: http://bit.ly/chess_numberphile

More from Neil Sloane: http://bit.ly/Sloane_Numberphile

Discuss this video on Brady's subreddit: https://redd.it/ajeujk

Card Flipping Proof

Card Flipping Proof

Graceful Tree Problem

Graceful Tree Problem