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 A157747 #7 Jul 22 2014 22:08:57 %S A157747 181,191,787,797,919,929,1021,1031,1051,1061,1171,1181,1471,1481,1801, %T A157747 1811,3413,3433,3583,3593,3823,3833,3853,3863,7177,7187,7297,7307, %U A157747 7507,7517,9049,9059,9679,9689,10141,10151,10321,10331,10771,10781,11161 %N A157747 Consecutive prime pairs with common start/end decimal digits. %K A157747 nonn,base %O A157747 1,1 %A A157747 _Ki Punches_, Mar 15 2009 %E A157747 1471, 1481, 3853, 3863 inserted by _Ray Chandler_, May 23 2009