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 A146353 #14 Mar 30 2020 05:53:45 %S A146353 31,71,383,503,743,983,1327,2543,4271,5711,6151,8543,9871,14503,17783, %T A146353 21191,22031,25463,35023,35759,36263,36559,40543,46471,47711,60727, %U A146353 66343,72551,73751,75767,81551,83639,91463,98327,142183,159407,160343,193031,195743,218623 %N A146353 Primes p such that continued fraction of (1 + sqrt(p))/2 has period 8; primes in A146333. %H A146353 Amiram Eldar, <a href="/A146353/b146353.txt">Table of n, a(n) for n = 1..1000</a> %t A146353 Select[Prime[Range[10000]], 8 == Length[ContinuedFraction[(1 + Sqrt[#])/2][[2]]] &] %Y A146353 Cf. A000290, A050950-A050969, A078370, A146326-A146345, A146348-A146360. %K A146353 nonn %O A146353 1,1 %A A146353 _Artur Jasinski_, Oct 30 2008 %E A146353 8467 removed - _R. J. Mathar_, Sep 06 2009 %E A146353 Extended by _T. D. Noe_, Mar 22 2011 %E A146353 More terms from _Amiram Eldar_, Mar 30 2020