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Erdős problem 9

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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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How far the record reaches3 of 6 stages
  1. Sourceerdos-problems
  2. StatementRetained
  3. Formal5 retained
  4. ResolutionNone filed
  5. WorkNone recorded
  6. DecisionNone here
  7. The questionNot reached
What this record is missingResolution

No source retained here records an outcome for this question.

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Where the source files it583 share a topic
Number Theory576Primes61Additive Basis31
Erdős problem 321accepted
Carrying a Standing. Browse the topic.
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