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.

Showing 1-1 of 1 results.

A134921 a(n) = A132398(n)/6.

Original entry on oeis.org

1, 4, 5, 9, 11, 14, 15, 16, 21, 24, 25, 31, 35, 39, 41, 46, 50, 54, 55, 60, 70, 71, 74, 75, 79, 80, 81, 86, 101, 104, 106, 114, 120, 125, 131, 134, 136, 144, 146, 150, 151, 154, 161, 166, 169, 170, 176, 179, 184, 185, 186, 199, 201, 224, 234, 235, 236, 240, 244, 249
Offset: 1

Views

Author

Zak Seidov, Nov 15 2007

Keywords

Crossrefs

Cf. A132398.

Programs

  • PARI
    isok(n) = isprime(396*n^2 + 1); \\ Michel Marcus, Oct 13 2013

Formula

a(n) = A132398(n)/6.
Showing 1-1 of 1 results.