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 A106673 #9 Apr 24 2013 06:02:05 %S A106673 0,1,11,16,19,23,25 %N A106673 Marks on lexicographically third 7-mark optimal Golomb ruler. %C A106673 Golomb ruler: Finite set with property that no difference between any two numbers is repeated and largest number is minimized. %H A106673 J. B. Shearer, <a href="http://www.research.ibm.com/people/s/shearer/grtab.html">Golomb Ruler Table</a> %H A106673 <a href="http://scholar.google.com/scholar?q=golomb+ruler">Google Scholar</a> %Y A106673 Cf. A079287. %K A106673 nonn,fini,full %O A106673 0,3 %A A106673 Garet Sheppard (gar3ts(AT)gmail.com), May 13 2005