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 A090312 #4 Dec 05 2013 19:56:37 %S A090312 23,37,211,311,313,317,1117,719,1319,223,523,1123,1723,229,1129,331, %T A090312 1931,337,3137,241,541,1741,2341,743,347,547,1747,2347,353,1153,1753, %U A090312 2953,4153,359,1759,4159,4759,761,1361,3761,367,1367,3167,3767,271,571 %N A090312 Primes in A090311. %Y A090312 Cf. A090311. %K A090312 base,nonn %O A090312 1,1 %A A090312 _Amarnath Murthy_, Nov 30 2003 %E A090312 More terms from _David Wasserman_, Oct 27 2005