olymmath

NZ-NZMO 2021 Problem 3

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In a sequence of numbers, a term is called golden if it is divisible by the term immediately before it. What is the maximum possible number of golden terms in a permutation of 1,2,3,…,2021?1,2,3,\ldots ,2021?

Dataset text NuminaMath olympiads. Quoted with source.

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