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Erdős problem / erdos

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Problem 968

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  1. vf_09ca3232a839e2af

    theoretical

    Erdős Problem #968: declared status 'open'. Formalized: yes. Let un=pn/nu_n=p_n/n, where pnp_n is the nnth prime. Does the set of nn such that un<un+1u_n<u_{n+1} have positive density? Prize: no. OEIS: A387591. Tags: number theory.

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