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Problem

erdos:418

True ↔ {x | ∃ n, n - n.totient = x}ᶜ.Infinite

Open Current State
Declared status
proved (Lean)
Formalization
formalized
Subjects
number theory
OEIS
A005278 · A263958
Sources
source:erdos-ai-contributions-wikisource:erdos-problemssource:formal-conjecturessource:jayyhk-erdos-leansource:plby-lean-proofs
Statement
www.erdosproblems.com

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