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.

A146350 Primes p such that continued fraction of (1+sqrt(p))/2 has period 5 : primes in A146330.

Original entry on oeis.org

41, 149, 157, 181, 269, 397, 761, 941, 1013, 2081, 2153, 2477, 2693, 3181, 3221, 3533, 4253, 4409, 5273, 5297, 5741, 6949, 8069, 8501, 8597, 9293, 10301, 10357, 10957, 11321, 12281, 12589, 13313, 17477, 19477, 19949, 20369, 21433, 22397, 23957, 26309
Offset: 1

Views

Author

Artur Jasinski, Oct 30 2008

Keywords

Comments

A050954 is subset of this sequence.

Crossrefs

Programs

  • Mathematica
    Select[Prime[Range[2000]],Length[ContinuedFraction[(1+Sqrt[#])/2][[2]]] == 5&] (* Harvey P. Dale, Aug 13 2016 *)

Extensions

More terms from Harvey P. Dale, Aug 13 2016