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 A106674 #10 Aug 25 2025 02:10:49 %S A106674 0,1,7,11,20,23,25 %N A106674 Marks on lexicographically second 7-mark optimal Golomb ruler. %C A106674 Golomb ruler: Finite set with property that no difference between any two numbers is repeated and largest number is minimized. %H A106674 J. B. Shearer, <a href="http://www.research.ibm.com/people/s/shearer/grtab.html">Golomb Ruler Table</a> %H A106674 <a href="http://scholar.google.com/scholar?q=golomb+ruler">Google Scholar</a> %Y A106674 Cf. A079287. %K A106674 nonn,fini,full,changed %O A106674 0,3 %A A106674 Garet Sheppard (gar3ts(AT)gmail.com), May 13 2005 %E A106674 Changed spelling in name - _Harald Kucharek_, Apr 21 2013