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 A093913 #10 Dec 15 2016 08:19:00 %S A093913 6,20,42,1144,3343050,707866293437614080, %T A093913 322686644032484531917367528014184448000000 %N A093913 Ratio of products of successive rows of irregular triangle defined in A093911. %C A093913 Next term has 95 digits. %F A093913 a(n) = A093910(n+1)/A093910(n). %Y A093913 Cf. A090907, A093911. %K A093913 nonn,easy,less %O A093913 1,1 %A A093913 _Amarnath Murthy_, Apr 24 2004 %E A093913 Edited and extended by _David Wasserman_, Mar 27 2006