Erdős problem 400
Erdős and Graham write that it is easy to show that always, but the best possible constant is unknown.
Sources
FormalConjectures/ErdosProblems/
400.lean
Retained formal statement
Erdős and Graham write that it is easy to show that always, but the best possible constant is unknown.
∀ k ≥ 2, (fun n => ↑(Erdos400.g k n)) =O[Filter.atTop] fun n => Real.log ↑nSolvedStatement only, no proof