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 A031869 #6 Jul 10 2011 18:42:36 %S A031869 1,2,5,11,13,18 %N A031869 Lexically first 6-mark Golomb ruler. %C A031869 Golomb ruler: Finite set with property that no difference between any two numbers is repeated and largest number is minimized. %H A031869 <a href="http://www3.telus.net/millerlf/g3-records.html">Golomb rulers</a> %H A031869 <a href="/index/Go#Golomb">Index entries for sequences related to Golomb rulers</a> %Y A031869 Equals A079283 + 1. %K A031869 nonn,fini,full %O A031869 1,2 %A A031869 Daniel Smith (dsmith(AT)globalnet.co.uk)