Source labels openChecked July 26, 2026

Erdős Problem 170

The problem is to determine the limit of the sequence $\frac{F(N)}{\sqrt{N}}$ as $N \to \infty$ .

Combinatorics AMS 5

Mathematical statement

The problem is to determine the limit of the sequence $\frac{F(N)}{\sqrt{N}}$ as $N \to \infty$ .

Statement source: Erdős Problems statement material

Statement terms: Source-specific

Source-specific terms. Therefore does not assert reuse rights beyond attributed display.

Statement artifacts, not proofs

These records expose exact Lean propositions and statement-only wrappers. Defining a proposition does not supply a proof of it. A placeholder-bearing target also contains no proof. Elaboration checks syntax and types; it does not certify that a formalization perfectly captures every nuance of the informal problem.

Pinned Lean formulation 1

erdos170

Canonical source

Complete statement target, proof intentionally absentLean 4

lemma erdos170 : Filter.Tendsto (fun N => F N / √N) Filter.atTop (𝓝 answer(sorry)) := by sorry

Statement source: Formal Conjectures
Lean version: v4.27.0
Placeholder: Present; no proof artifact
Source evidence: Pinned source index
Fidelity review: Community formulation

References

Pinned Formal Conjectures sourceformalization erdosproblems.com/170background