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Hello there.

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

A Sequence with a Mistake

A Sequence with a Mistake

Sequence guru Neil Sloane on a sequence which puzzled him - until he spotted the mistake!

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

The OEIS: https://oeis.org

Hanny's Voorwerp: https://youtu.be/RDr6bSB6Vlg

Gambling with the Martingale Strategy

Gambling with the Martingale Strategy

The Math of Being a Pig

The Math of Being a Pig