Erdős problem 9 · problems.science

Is the upper density of the set of odd numbers that cannot be expressed as a prime plus two powers of 2 positive?

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5 retained statements2415f78e850a

FormalConjectures/ErdosProblems/

9.lean

Retained formal statement1 of 5

Is the upper density of the set of odd numbers that cannot be expressed as a prime plus two powers of 2 positive?

FormalConjectures/ErdosProblems/9.leanErdos9.erdos_91 lineExact file

1True ↔ 0 < Erdos9.Erdos9A.upperDensity

OpenStatement only, no proof