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 A096875 #3 Mar 30 2012 18:36:41 %S A096875 1,0,1,0,-2,1,0,1,-2,1,0,3,-1,-2,1,0,-6,9,-3,-2,1,0,-3,-7,15,-5,-2,1, %T A096875 0,23,-27,-6,21,-7,-2,1,0,9,15,-32,-5,27,-9,-2,1,0,-141,360,-267,16, %U A096875 -6,33,-11,-2,1,0,-74,-1603,2691,-1216,161,-11,39,-13,-2,1,0,1139,10961,-20469,11512,-3489,457,-22,45,-15,-2,1,0,1119 %N A096875 Matrix square of inverse triangle A096651; transforms n-dimensional partitions into (n-2)-dimensional partitions. %C A096875 Also matrix square of triangle A096874. Row sums form A096876. %e A096875 Rows begin: %e A096875 [1], %e A096875 [0,1], %e A096875 [0,-2,1], %e A096875 [0,1,-2,1], %e A096875 [0,3,-1,-2,1], %e A096875 [0,-6,9,-3,-2,1], %e A096875 [0,-3,-7,15,-5,-2,1], %e A096875 [0,23,-27,-6,21,-7,-2,1], %e A096875 [0,9,15,-32,-5,27,-9,-2,1], %e A096875 [0,-141,360,-267,16,-6,33,-11,-2,1], %e A096875 [0,-74,-1603,2691,-1216,161,-11,39,-13,-2,1], %e A096875 [0,1139,10961,-20469,11512,-3489,457,-22,45,-15,-2,1], %e A096875 [0,1119,-140656,226512,-116125,36536,-8079,968,-41,51,-17,-2,1], %e A096875 [0,-10921,1858877,-2993422,1507887,-444319,95633,-16387,1768,-70,57,-19,-2,1],... %Y A096875 Cf. A096651, A096874, A096876. %K A096875 sign,tabl %O A096875 0,5 %A A096875 _Paul D. Hanna_, Jul 13 2004