Here’s a classic brainteaser that I don’t like. What’s the next number in this sequence: 1, 11, 21, 1211, 111221, …? The answer is 312211, because each number describes the digits in the number that ...
FT.com will bring you the crossword from Monday to Saturday as well as the Weekend FT Polymath, Word Circle and Binary Puzzle. ft.com/puzzles ...
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