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 A054678 #13 Jun 13 2014 17:45:34 %S A054678 7,89,199,463,463,463,11593,11593,183091,241603,241603,241603,9177431, %T A054678 9177431,12270077,105639091,297779117,297779117,727334879,1113443017, %U A054678 1113443017,1113443017,1113443017,79263248027,84676452781,113391385603 %N A054678 n consecutive primes differ by a multiple of 4 starting at a(n). %H A054678 Giovanni Resta, <a href="/A054678/b054678.txt">Table of n, a(n) for n = 2..36</a> (terms < 4*10^14) %H A054678 J. K. Andersen, <a href="http://primerecords.dk/congruent-primes.htm">Consecutive Congruent Primes</a>. %Y A054678 Cf. A054679, A054680. %K A054678 nonn %O A054678 2,1 %A A054678 _Jeff Burch_, Apr 18 2000 %E A054678 More terms from Larry Reeves (larryr(AT)acm.org), Nov 09 2000 %E A054678 More terms from _Jens Kruse Andersen_, May 29 2006