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erdos_979
Specification
Let $k ≥ 2$, and let $f_k(n)$ count the number of solutions to $n = p_1^k + \dots + p_k^k$, where the $p_i$ are prime numbers. Is it true that $\limsup f_k(n) = \infty$?
Lean 4 Statement
theorem erdos_979 : answer(sorry) ↔
∀ k ≥ 2, Filter.limsup (fun n => (solutionSet n k).encard) Filter.atTop = ⊤
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