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.

A094413 Odd composites k that divide Fibonacci(k) + 1 but not Fibonacci(k+1).

Original entry on oeis.org

17261, 120581, 163059, 300847, 1842581, 3489641, 3792541, 5573499, 21159271, 36561959, 40779991, 63055651, 67306519, 69503037, 72125899, 129487163, 136021717, 174008141, 175094767, 247600477, 418623283, 529281911, 814454381, 902315699
Offset: 1

Views

Author

Eric Rowland, May 07 2004

Keywords

Crossrefs

Programs

  • PARI
    isok(n) = (n % 2) && ! ((fibonacci(n) + 1) % n) && (fibonacci(n+1) % n); \\ Michel Marcus, Aug 27 2013

Extensions

4 more terms from Ryan Propper, Aug 03 2005
a(9)-a(24) from Giovanni Resta, Jul 20 2013