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Erdős problem 1142

Are there infinitely many n>2n > 2 such that n−2kn - 2^k is prime for all k≥1k \geq 1 with 2k<n2^k < n?

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The source's own material, retained exactly.

10 retained statements36c6d0fef71a

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FormalConjectures/ErdosProblems/

1142.lean

Retained formal statement7 of 10

77 satisfies the Erdős 1142 property: 7−2=57 - 2 = 5 and 7−4=37 - 4 = 3 are prime.

FormalConjectures/ErdosProblems/1142.leanErdos1142.erdos_1142.test_71 lineExact file
Erdos1142.Erdos1142Prop 7
TestStatement only, no proof