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 A146354 #21 Mar 30 2020 05:40:51 %S A146354 73,97,233,277,349,353,613,821,877,1181,1277,1613,1637,1693,2357,2777, %T A146354 3557,3989,4157,4517,4889,4933,5261,6113,7213,9133,9181,9749,10313, %U A146354 10909,11057,11213,11257,12161,12301,13033,16217,16741,17989,19469 %N A146354 Primes p such that continued fraction of (1 + sqrt(p))/2 has period 9: primes in A143577. %H A146354 Amiram Eldar, <a href="/A146354/b146354.txt">Table of n, a(n) for n = 1..2000</a> %t A146354 Select[Prime[Range[2300]],Length[ContinuedFraction[(1+Sqrt[#])/2][[2]]] == 9&] (* _Harvey P. Dale_, Aug 22 2011 *) %Y A146354 Cf. A000290, A050950-A050969, A078370, A146326-A146345, A146348-A146360. %K A146354 nonn %O A146354 1,1 %A A146354 _Artur Jasinski_, Oct 30 2008 %E A146354 A-number in definition corrected. 1613 and 4933 inserted, 9421 deleted, extended beyond 9749 by _R. J. Mathar_, Nov 09 2008