A114004 - OEIS

%I #2 Mar 30 2012 18:59:12

%S 1,-2,1,-2,0,1,2,-2,0,1,-2,0,0,0,1,6,-2,-2,0,0,1,-2,0,0,0,0,0,1,-2,2,

%T 0,-2,0,0,0,1,2,0,-2,0,0,0,0,0,1,6,-2,0,0,-2,0,0,0,0,1,-2,0,0,0,0,0,0,

%U 0,0,0,1,-10,6,2,-2,0,-2,0,0,0,0,0,1,-2,0,0,0,0,0,0,0,0,0,0,0,1,6,-2,0,0,0,0,-2,0,0,0,0,0,0,1,6,0,-2,0,-2,0,0,0,0,0,0,0

%N Inverse of triangle A114002.

%C Row sums are A114006. First column is A114005.

%e Triangle begins

%e 1;

%e -2, 1;

%e -2, 0, 1;

%e 2,-2, 0, 1;

%e -2, 0, 0, 0, 1;

%e 6,-2,-2, 0, 0, 1;

%e -2, 0, 0, 0, 0, 0, 1;

%e -2, 2, 0,-2, 0, 0, 0, 1;

%e 2, 0,-2, 0, 0, 0, 0, 0, 1;

%e 6,-2, 0, 0,-2, 0, 0, 0, 0, 1;

%K sign,tabl

%O 0,2

%A _Paul Barry_, Nov 12 2005