Problem

erdos:317

∀ᶠ (n : ℕ) in Filter.atTop, ∀ (δ : Fin n → ℚ), δ '' Set.univ ⊆ {-1, 0, 1} → |∑ k, δ k / (↑↑k + 1)| ≠ 0 → |∑ k, δ k / (↑↑k + 1)| ≥ 1 / ↑((Finset.Icc 1 n).lcm id)

Open Current State

Declared status: open
Formalization: formalized
Subjects: number theoryunit fractions
OEIS: N/A
Sources: source:erdos-problemssource:formal-conjectures
Statement: www.erdosproblems.com

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