|
%I #5 Feb 18 2022 22:18:14
%S 1,1,0,1,-1,0,1,0,-1,0,1,-1,-1,0,0,1,0,0,0,-1,0,1,-1,-1,0,-1,1,0,1,0,
%T -1,0,-1,0,-1,0,1,-1,0,0,-1,0,-1,0,0,1,0,-1,0,0,0,-1,0,0,0
%N Triangle read by rows: A054521 * A128407.
%C Row sums = A112399: (1, 1, 0, 0, -1, 0, -1, -2, -2, -1, ...).
%F A054521 * A128407 as infinite lower triangular matrices.
%e First few rows of the triangle:
%e 1;
%e 1, 0;
%e 1, -1, 0;
%e 1, 0, -1, 0;
%e 1, -1, -1, 0, 0;
%e 1, 0, 0, 0, -1, 0;
%e 1, -1, -1, 0, -1, 1, 0;
%Y Cf. A054521, A128407, A112399, A008683.
%K tabl,sign
%O 1,1
%A _Gary W. Adamson_, Mar 03 2007
|
