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 A031872 #6 Jul 10 2011 18:42:36 %S A031872 1,2,6,13,26,28,36,42,45 %N A031872 Lexically first 9-mark Golomb ruler. %C A031872 Golomb ruler: Finite set with property that no difference between any two numbers is repeated and largest number is minimized. %H A031872 <a href="http://www3.telus.net/millerlf/g3-records.html">Golomb rulers</a> %H A031872 <a href="/index/Go#Golomb">Index entries for sequences related to Golomb rulers</a> %Y A031872 Equals A079425 + 1. %K A031872 nonn,fini,full %O A031872 1,2 %A A031872 Daniel Smith (dsmith(AT)globalnet.co.uk)