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Primes p such that continued fraction of (1+sqrt(p))/2 has period 5 : primes in A146330.
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%I #9 Mar 30 2020 05:36:46

%S 41,149,157,181,269,397,761,941,1013,2081,2153,2477,2693,3181,3221,

%T 3533,4253,4409,5273,5297,5741,6949,8069,8501,8597,9293,10301,10357,

%U 10957,11321,12281,12589,13313,17477,19477,19949,20369,21433,22397,23957,26309

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

%C A050954 is subset of this sequence.

%H Amiram Eldar, <a href="/A146350/b146350.txt">Table of n, a(n) for n = 1..2000</a>

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

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

%K nonn

%O 1,1

%A _Artur Jasinski_, Oct 30 2008

%E More terms from _Harvey P. Dale_, Aug 13 2016