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.

A289258 Prime factors of numbers in A289257.

Original entry on oeis.org

3, 19, 163, 1459, 8803, 17497, 52489, 78787, 164617, 370387
Offset: 1

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Author

Michel Marcus, Jun 29 2017

Keywords

Comments

Kalmynin conjectures that this sequence is infinite.
I have some doubts about terms 17497, 52489, 164617 that are == 1 (mod 8).

Links

  • Alexander Kalmynin, On Novák numbers, arXiv:1611.00417 [math.NT], 2016. See Theorem 7 p. 11.

Crossrefs

Cf. A006521, A057719, A124240, A289257.

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