Problem

erdos:243

∀ (a : ℕ → ℕ), StrictMono a → Filter.Tendsto (fun n => ↑(a n) / ↑(a (n - 1)) ^ 2) Filter.atTop (nhds 1) → (Summable fun x => 1 / ↑(a x)) → ∀ᶠ (n : ℕ) in Filter.atTop, a n = a (n - 1) ^ 2 - a (n - 1) + 1

Open Current State

Declared status: open
Formalization: formalized
Subjects: number theory
OEIS: A000058
Sources: source:erdos-problemssource:formal-conjectures
Statement: www.erdosproblems.com

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