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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.

A301808 Primes of form 4*k^k + 3.

Original entry on oeis.org

7, 19, 12503, 40000000003, 8203095294242440214580822436689504141944719346082430189179667864757469187
Offset: 1

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Author

Seiichi Manyama, Mar 27 2018

Keywords

Comments

The next term is too large to include.

Crossrefs

Primes of form b*k^k + b - 1: A216148 (b=2), this sequence (b=4).
Cf. A301520, A301641.

Formula

a(n) = 4*A301520(n+1)^A301520(n+1) + 3.

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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