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 A096643 #3 Mar 30 2012 18:36:40 %S A096643 1,1,3,1,7,-17,133,-1020,9826,-110514,1427046,-20827070 %N A096643 Column with index 3 of triangle A096651: a(n) = A096651(n+3,3). %C A096643 The row sums of A096651^n form the n-dimensional partitions. %Y A096643 Cf. A096651. %K A096643 sign %O A096643 0,3 %A A096643 _Paul D. Hanna_, Jul 06 2004