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 A234946 #7 Jan 09 2014 17:30:26 %S A234946 2,1,4,6,92,117 %N A234946 Number of different optimal triangle difference sets M(n,4). %H A234946 J. B. Shearer, <a href="http://www.research.ibm.com/people/s/shearer/dtsopt.html">Difference Triangle Sets: Known optimal solutions</a>. %H A234946 J. B. Shearer, <a href="http://www.research.ibm.com/people/s/shearer/dtslb.html">Difference Triangle Sets: Discoverers</a> %Y A234946 A row of array in A234944. Cf. A234943. %K A234946 nonn,more %O A234946 1,1 %A A234946 _N. J. A. Sloane_, Jan 08 2014