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.
%I A146350 #9 Mar 30 2020 05:36:46 %S A146350 41,149,157,181,269,397,761,941,1013,2081,2153,2477,2693,3181,3221, %T A146350 3533,4253,4409,5273,5297,5741,6949,8069,8501,8597,9293,10301,10357, %U A146350 10957,11321,12281,12589,13313,17477,19477,19949,20369,21433,22397,23957,26309 %N A146350 Primes p such that continued fraction of (1+sqrt(p))/2 has period 5 : primes in A146330. %C A146350 A050954 is subset of this sequence. %H A146350 Amiram Eldar, <a href="/A146350/b146350.txt">Table of n, a(n) for n = 1..2000</a> %t A146350 Select[Prime[Range[2000]],Length[ContinuedFraction[(1+Sqrt[#])/2][[2]]] == 5&] (* _Harvey P. Dale_, Aug 13 2016 *) %Y A146350 Cf. A000290, A078370, A146326-A146345, A146348-A146360. %K A146350 nonn %O A146350 1,1 %A A146350 _Artur Jasinski_, Oct 30 2008 %E A146350 More terms from _Harvey P. Dale_, Aug 13 2016