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Erdős problem 1209

Let A={a1<a2<⋯ }A=\{a_1<a_2<\cdots\} be a sequence of integers which tends to infinity sufficiently fast. If there is an nn such that all n+akn+a_k are primes then must there exist infinitely many such nn?

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6 retained statements36c6d0fef71a

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FormalConjectures/ErdosProblems/

1209.lean

Retained formal statement4 of 6

Are there nn such that n+22kn+2^{2^k} is always squarefree?

FormalConjectures/ErdosProblems/1209.leanErdos1209.erdos_1209.parts.iii.b1 lineExact file
True ↔ ∃ n, ∀ (k : ℕ), Squarefree (n + 2 ^ 2 ^ k)
OpenStatement only, no proof