What’s the Next Number?

How do you find the next number in a sequence? A helpful tool is the OEIS, the On-Line Encyclopedia of Integer Sequences. You’ll be amazed at what this can do! Twitter: @TPointMath Thanks to Neil Sloane for being interviewed and providing lots of information. I thank T.D. Noe for granting permission to use The OEIS Movie. photo credits: Handshake: Aidan Jones Chess: Nemodus photos Face triangulations: Josh Pesavento Hopscotch: Pink Sherbet Photography