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 A096642 #6 Apr 16 2012 12:04:49 %S A096642 1,1,2,1,3,-1,15,-78,632,-6049,68036,-878337,12817659,-208803098, %T A096642 3758607935,-74132077726,1590647874073 %N A096642 Column with index 2 of triangle A096651: a(n) = A096651(n+2,2). %C A096642 The row sums of A096651^n form the n-dimensional partitions. %Y A096642 Cf. A096651. %K A096642 sign %O A096642 0,3 %A A096642 _Paul D. Hanna_, Jul 06 2004 %E A096642 a(12)-a(16) taken from a096651.txt. _M. F. Hasler_, Apr 12 2012