Can you solve it? The sequence puzzles of a metagrobologist - video
by Alex Bellos, Ian Anderson, Tash Reith-Banks and Pa from on (#HKE0)
This week Alex has two problems for you today, both set by puzzle supremo (or metagrobologist) David Singmaster. One involves letters, the other numbers. Can you solve them? For a written version of the puzzles, click here.
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