The 15-Game - Numberphile

Ben Sparks explores hidden depths of a seemingly simple game. More on Jane Street's AMP program at https://jane-st.co/Numberphile-AMP-2026 (sponsor) -- More links & stuff in full description below ↓↓↓ An extra snippet on Numberphile2: https://youtu.be/lz2POMYd4YM And a 4.5-minute longer version of this video can be watched by Patrons: https://www.patreon.com/posts/150089653 Ben Sparks own website (you can book him for talks and training, etc): https://www.bensparks.co.uk/ More Ben on Numberphile: https://www.youtube.com/playlist?list=PLt5AfwLFPxWLDKmnxLg8477hrxY33LL6q The game can be played without the grid at https://15game.bensparks.co.uk/ and can be played with the magic square grid at https://15game.bensparks.co.uk/gameTTT.html 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/ Video by Brady Haran and Pete McParlan (who did the stop motion!) 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