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.

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A073926 Powers of 2 rearranged so that every partial sum after 1 is a proper prime power.

Original entry on oeis.org

1, 8, 16, 2
Offset: 1

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Author

Amarnath Murthy, Aug 19 2002

Keywords

Comments

If a(5) exists -- that is, if there is some k for which 2^k + 27 is a proper prime power -- then k > 100000. Or can it be proved that 2^k + 27 is either prime or has more than one distinct prime factor for all k? - Ryan Propper, Jun 17 2006

Crossrefs

Cf. A073923, A073924, A073925.
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