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 A106675 #12 Apr 24 2013 08:49:46 %S A106675 0,2,7,13,21,22,25 %N A106675 Marks on lexicographically fifth 7-mark optimal Golomb ruler. %C A106675 Optimal Golomb ruler: Finite set with property that no difference between any two numbers is repeated and largest number is minimized. %H A106675 J. B. Shearer, <a href="http://www.research.ibm.com/people/s/shearer/grtab.html">Golomb Ruler Table</a> %H A106675 <a href="http://scholar.google.com/scholar?q=golomb+ruler">Google Scholar</a> %Y A106675 Cf. A079287. %K A106675 nonn,fini,full %O A106675 0,2 %A A106675 Garet Sheppard (gar3ts(AT)gmail.com), May 13 2005