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 A103660 #3 Mar 31 2012 10:29:09 %S A103660 28,2636,47175,433800,2539628,11995110,44602758,139885368,379716780, %T A103660 926937330,2055408018,4473284223,8941638240,16995482919 %N A103660 (1/2) * number of occurrences of the most frequent volume given in A103659 assumed by triangular pyramids with their 4 vertices chosen from distinct points of an (n+1)X(n+1)X(n+1) lattice cube. %Y A103660 Cf. A103659. For more cross-references see A103657. %K A103660 hard,more,nonn %O A103660 1,1 %A A103660 _Hugo Pfoertner_, Feb 20 2005