Uploads from Numberphile

Currently Playing: Red & Black Knights (extraordinary result) - Numberphile

Featuring Neil Sloane, founder of the OEIS... See the extra patterns and variations (including three knights) at https://youtu.be/VgmDuBCayPw More links & stuff in full description below ↓↓↓ With thanks also to Jonas Karlsson - https://jonka364.github.io/ Neil Sloane is the founder of the On-Line Encyclopedia of Integer Sequences - https://oeis.org/ More videos with Neil Sloane: https://www.youtube.com/playlist?list=PLt5AfwLFPxWJXQqPe_llzWmTHMPb9QvV2 See our Trapped Knight video - https://youtu.be/RGQe8waGJ4w More chess-related videos - https://www.youtube.com/playlist?list=PLt5AfwLFPxWKX9OPJqBQTdIOAKthKzQ9m OEIS sequences related to this video: https://oeis.org/A308885 (only black knights) https://oeis.org/A392177 & https://oeis.org/A392178 (red & black knights) https://oeis.org/A395357 (the final spiral) Patreon: http://www.patreon.com/numberphile Numberphile is supported by Jane Street. Learn more about them (and exciting career opportunities) at: https://bit.ly/numberphile-janestreet We are also grateful for support from the Ben Delo Foundation - https://delo.org/ NUMBERPHILE Website: http://www.numberphile.com/ Videos by Brady Haran Numberphile T-Shirts and Merch: https://teespring.com/stores/numberphile Brady's videos subreddit: http://www.reddit.com/r/BradyHaran/ Brady's latest videos across all channels: http://www.bradyharanblog.com/ Sign up for (occasional) emails: http://eepurl.com/YdjL9