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.

A209120 Numbers n such that (33^n - 1)/32 is prime.

Original entry on oeis.org

3, 197, 3581, 6871, 183661
Offset: 1

Views

Author

Robert Price, Mar 05 2012

Keywords

Programs

  • Mathematica
    Select[Prime[Range[100]], PrimeQ[(33^#-1)/32]&]
  • PARI
    isok(n) = isprime((33^n-1)/32); \\ Michel Marcus, Mar 13 2016

Extensions

a(5) corresponds to a probable prime discovered by Paul Bourdelais, Dec 31 2018