Problem

erdos:251

True ↔ Irrational (∑' (n : ℕ), ↑(Nat.nth Nat.Prime n) / 2 ^ n)

Open Current State

Declared status: open
Formalization: formalized
Subjects: number theoryirrationality
OEIS: A098990
Sources: source:erdos-ai-contributions-wikisource:erdos-problemssource:formal-conjectures
Statement: www.erdosproblems.com

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