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Erdős problem 295

Let k(N)k(N) denote the smallest kk such that there exists Nn1<<nkN ≤ n_1 < ⋯ < n_k with 1n1+...+1nk=1\frac 1 {n_1} + ... + \frac 1 {n_k} = 1

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FormalConjectures/ErdosProblems/

295.lean

Retained formal statement1 of 3

Let k(N)k(N) denote the smallest kk such that there exists Nn1<<nkN ≤ n_1 < ⋯ < n_k with 1n1+...+1nk=1\frac 1 {n_1} + ... + \frac 1 {n_k} = 1

Is it true that limNk(N)(e1)N=\lim_{N \to \infty} k(N) - (e - 1)N = \infty?

FormalConjectures/ErdosProblems/295.leanErdos295.erdos_2951 lineExact file
sorryFilter.Tendsto (fun N => ↑(Erdos295.k N) - (Real.exp 1 - 1) * ↑N) Filter.atTop Filter.atTop
OpenStatement only, no proof

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