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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A256123 Primes p such that all six iterations of the map p->2p+nextprime(p) give primes.

Original entry on oeis.org

1854811727, 1988791547, 2498711497, 2866433161, 3337303943, 3514209079, 5078536369, 5856521807, 6057449263, 7402496771, 8158654937, 8426760781, 8829158339, 10337846809, 11487954299, 11867001431, 12967520437, 14336558143
Offset: 1

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Author

Zak Seidov, Mar 15 2015

Keywords

Comments

First prime with 7 iterations all giving primes is a(36)=44439344567.

Crossrefs

Subsequence of A255694.
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