A146357 - OEIS

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

(list; graph; refs; listen; history; text; internal format)

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