Here’s The Indisputable Existence of Santa Claus, a book on the mathematics of Christmas, which I wrote with the brilliant Dr Hannah Fry.

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Here’s The Indisputable Existence of Santa Claus, a book on the mathematics of Christmas, which I wrote with the brilliant Dr Hannah Fry.

Back in 2012, I had a go at doing some stand-up comedy on the maths of US presidential elections for Bright Club (a public engagement scheme for academics). Given that the US is currently careering headlong into another election, it seems a good time to post the video, along with a brief discussion of the maths (or possibly an apology for the maths):

The 82000 sequence is still generating interest.

Here’s a great Numberphile video about the sequence from mathematician James Grime:

The sequence has also made it into the Online Encyclopaedia of Integer Sequences, as A258107!

I have also found an early mention of the special properties of 82000, in this exchange on a French puzzle forum, from October 2008. Continue reading