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CONO-SUR 2022 Problem 3

    Prove that for every positive integer nn there exists a positive integer kk , such that each of the numbers k,k2,…,knk, k^2, \dots, k^n have at least one block of 20222022 in their decimal representation.

    For example, the numbers 4202213 and 544202212022 have at least one block of 20222022 in their decimal representation.

    Dataset text AI-MO AoPS. Quoted with source.

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