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 A096874 #3 Mar 30 2012 18:36:41
%S A096874 1,0,1,0,-1,1,0,0,-1,1,0,1,-1,-1,1,0,-1,3,-2,-1,1,0,-1,-1,5,-3,-1,1,0,
%T A096874 3,-5,-1,7,-4,-1,1,0,4,-10,4,-2,9,-5,-1,1,0,-17,121,-146,42,-5,11,-6,
%U A096874 -1,1,0,-27,-662,1155,-591,130,-11,13,-7,-1,1,0,118,5952,-10015,5327,-1662,294,-21,15,-8,-1,1,0,267,-70266,113346,-57476
%N A096874 Matrix inverse of triangle A096651; transforms n-dimensional partitions into (n-1)-dimensional partitions.
%C A096874 Row sums form {1,1,0,0,0,...(zeros continue)}.
%e A096874 Rows begin:
%e A096874 [1],
%e A096874 [0,1],
%e A096874 [0,-1,1],
%e A096874 [0,0,-1,1],
%e A096874 [0,1,-1,-1,1],
%e A096874 [0,-1,3,-2,-1,1],
%e A096874 [0,-1,-1,5,-3,-1,1],
%e A096874 [0,3,-5,-1,7,-4,-1,1],
%e A096874 [0,4,-10,4,-2,9,-5,-1,1],
%e A096874 [0,-17,121,-146,42,-5,11,-6,-1,1],
%e A096874 [0,-27,-662,1155,-591,130,-11,13,-7,-1,1],
%e A096874 [0,118,5952,-10015,5327,-1662,294,-21,15,-8,-1,1],
%e A096874 [0,267,-70266,113346,-57476,17435,-3843,565,-36,17,-9,-1,1],
%e A096874 [0,-917,908722,-1473694,746476,-220017,46320,-7821,979,-57,19,-10,-1,1],...
%Y A096874 Cf. A096651.
%K A096874 sign,tabl
%O A096874 0,18
%A A096874 _Paul D. Hanna_, Jul 13 2004