cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A239524 Prime powers p (A025475) such that either d1 divides d2, or d2 divides d1, where d1 and d2 are the distances from p to the two nearest prime powers.

Original entry on oeis.org

8, 9, 343, 361
Offset: 1

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Author

Alex Ratushnyak, Mar 20 2014

Keywords

Comments

Note the two nearest prime powers can be both above or both below p.
a(5) > 1.6*10^19. - Giovanni Resta, Mar 21 2014

Crossrefs

Cf. A025475.