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

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

1,1

Comments

A050954 is subset of this sequence.

Links

Amiram Eldar, Table of n, a(n) for n = 1..2000

Mathematica

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

Crossrefs

Cf. A000290, A078370, A146326-A146345, A146348-A146360.

Sequence in context: A217087 A303910 A146330 * A050954 A337872 A192821

Adjacent sequences: A146347 A146348 A146349 * A146351 A146352 A146353

Keyword

nonn

Author

Artur Jasinski, Oct 30 2008

Extensions

More terms from Harvey P. Dale, Aug 13 2016

Status

approved