olymmath

KöMaL 2006 A402

    Two players play the following game: Let nn be a fixed integer greater than 1. Starting from number kk=2, each player has two possible moves: either replace the number kk by kk+1 or by 2kk. The player who is forced to write a number greater than nn loses the game. Which player has a winning strategy for which nn?

    Official text KöMaL. Quoted with source.

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