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.

A057180 Numbers k such that (14^k + 1)/15 is a prime.

Original entry on oeis.org

7, 53, 503, 1229, 22637, 1091401, 1385203, 1522841, 2307467
Offset: 1

Views

Author

N. J. A. Sloane, Sep 15 2000

Keywords

Programs

  • Prime95
    PRP=1,14,1091401,1,0,0,"15"

Extensions

a(5) from Herman Jamke (hermanjamke(AT)fastmail.fm), Jan 05 2008
a(6) from Paul Bourdelais, Mar 10 2014
a(7) from Paul Bourdelais, Feb 08 2022
a(8) from Paul Bourdelais, Feb 18 2025
a(9) from Paul Bourdelais, Jun 03 2025