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.

A243887 (p^2 - 3)/2 for odd primes p.

Original entry on oeis.org

3, 11, 23, 59, 83, 143, 179, 263, 419, 479, 683, 839, 923, 1103, 1403, 1739, 1859, 2243, 2519, 2663, 3119, 3443, 3959, 4703, 5099, 5303, 5723, 5939, 6383, 8063, 8579, 9383, 9659, 11099, 11399, 12323, 13283, 13943, 14963, 16019, 16379, 18239, 18623, 19403, 19799
Offset: 1

Views

Author

Vincenzo Librandi, Jun 15 2014

Keywords

Crossrefs

Programs

  • Magma
    [(p^2-3)/2: p in PrimesInInterval(3, 300)];
  • Mathematica
    Table[(Prime[n]^2 - 3)/2, {n, 2, 100}]

Formula

a(n) = A216244(n) - 1. [Robert Israel, Jun 15 2014]