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 A054823 #4 Mar 30 2012 18:51:25 %S A054823 347,673,1427,1487,1619,2203,2237,2687,2903,2909,4091,4127,4931,5569, %T A054823 5923,6269,6469,6701,6827,8087,8167,8231,8929,10331,10729,11777,12107, %U A054823 12277,13463,13469,13901,13903,14081,14627,14653,14947,14951,15073 %N A054823 First term of weak prime quintets: p(m+1)-p(m) < p(m+2)-p(m+1) < p(m+3)-p(m+2) < p(m+4)-p(m+3). %Y A054823 Cf. A051635, A054800-A054840. %K A054823 nonn %O A054823 1,1 %A A054823 _Henry Bottomley_, Apr 10 2000