It’s a repeat booking for the Festival of the Spoken Nerd in number 4 (or 16 if you belong to Team All Squared) of our podcast. Standup mathematician Matt Parker joined us to talk about *interesting coincidences*.

Here are some links to the things we referred to in the podcast, along with some bonus extras:

- The operator precedence problem that makes Katie want to cry
- Colin Wright has blogged about it
- Chocolate maths!
- Robert Munafo’s
*Notable properties of specific numbers* - The Online Encyclopedia of Integer Sequences
- A135650 – Even perfect numbers written in base 2
- A002904 – Delete all letters except c,d,i,l,m,v,x from n then read as Roman numeral if possible, otherwise 0
- A000012 – The simplest sequence of positive numbers: the all 1’s sequence.
- The episode of
*Relatively Prime*about interesting number facts, including the OEIS.

Matt Parker plugged a couple of things:

Next time, which should be soon, we’ll be talking to a Fantastic Mystery Guest about our favourite maths books.

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