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.

A072802 Continued fraction expansion of Product_{p prime} (1 + 1/(p*(p^2-1))).

Original entry on oeis.org

1, 4, 3, 11, 33, 1, 2, 1, 4, 103, 1, 1, 1, 2, 2, 12, 1, 1, 3, 2, 3, 1, 1, 15, 1, 5, 11, 1, 1, 1, 5, 1, 1, 14, 1, 1, 1, 2, 20, 2, 1, 2, 2, 29, 1, 8, 1, 1, 4, 2, 2, 6, 4, 1, 1, 1, 2, 1, 12, 1, 1, 3, 2, 2, 2, 4, 2, 7, 1, 11, 2, 4, 2, 1, 1, 1, 2, 2, 1, 3, 1, 2, 7, 2, 3, 1, 11, 3, 15, 1, 1, 3, 2, 1, 3, 1, 1
Offset: 0

Views

Author

Rick L. Shepherd, Jul 11 2002

Keywords

Crossrefs

Cf. A065487 (decimal expansion).

Programs

  • PARI
    \p 1002 x=1.2312911488886035627747876512720337... (cut-and-paste all 1002 digits from link) contfrac(x)
    
  • PARI
    contfrac(prodeulerrat(1 + 1/(p*(p^2-1)))) \\ Amiram Eldar, Jun 13 2021