A146357 Primes p such that continued fraction of (1 + sqrt(p))/2 has period 12 : primes in A146336.

103, 127, 239, 263, 479, 887, 1567, 2711, 5743, 5903, 8311, 8447, 10567, 10847, 12391, 14783, 14831, 15887, 18191, 22343, 23447, 28151, 31391, 32359, 40087, 40343, 42703, 53407, 60103, 60623, 64231, 75431, 79943, 81559, 83663, 93503, 114167, 130199, 135119, 141863

Offset

1,1

Links

Amiram Eldar, Table of n, a(n) for n = 1..1000

Mathematica

Select[Prime[Range[10000]], Length[ContinuedFraction[(1+Sqrt[#])/2][[2]]] == 12&] (* Harvey P. Dale, May 18 2017 *)

Crossrefs

Cf. A000290, A050950-A050969, A078370, A146326-A146345, A146348-A146360.

Sequence in context: A139957 A077404 A139979 * A252269 A252262 A023080

Adjacent sequences: A146354 A146355 A146356 * A146358 A146359 A146360

Keyword

nonn

Author

Artur Jasinski, Oct 30 2008

Extensions

Period length in definition corrected, 103 added, 607 and 2063 removed. - R. J. Mathar, Nov 08 2008

More terms from Amiram Eldar, Mar 30 2020

Status

approved