Problem

erdos:51

True ↔ ∃ A n, A.Infinite ∧ (∀ (a : ↑A), IsLeast (Nat.totient ⁻¹' {↑a}) (n a)) ∧ Filter.Tendsto (fun a => ↑(n a) / ↑↑a) Filter.atTop Filter.atTop

Open Current State

Declared status: open
Formalization: formalized
Subjects: number theory
OEIS: A002202 · A014197
Sources: source:erdos-ai-contributions-wikisource:erdos-problemssource:formal-conjectures
Statement: www.erdosproblems.com

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