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 A124120 #7 Mar 30 2012 16:50:35 %S A124120 0,0,0,0,0,0,0,1,0,1,0,0,0,4,0,1054163 %N A124120 Number of nonisomorphic Steiner quadruple systems (SQS's) S(3,4,n) on n points. %H A124120 <a href="/index/St#Steiner">Index entries for sequences related to Steiner systems</a> %e A124120 There are 4 nonisomorphic SQS's on 14 points. %Y A124120 A051390 is the official version of this sequence and has all the references etc. %Y A124120 Cf. A124119, A030129, A001201, A030128, A051390. %K A124120 nonn,hard %O A124120 1,14 %A A124120 _N. J. A. Sloane_, Nov 30 2006