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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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10 retained statements36c6d0fef71a

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FormalConjectures/ErdosProblems/

1142.lean

Retained formal statement4 of 10

2121 satisfies the Erdős 1142 property: 21−2=1921 - 2 = 19, 21−4=1721 - 4 = 17, 21−8=1321 - 8 = 13, 21−16=521 - 16 = 5.

FormalConjectures/ErdosProblems/1142.leanErdos1142.erdos_1142.test_211 lineExact file
Erdos1142.Erdos1142Prop 21
TestStatement only, no proof