|
%I #9 Jun 05 2023 04:26:49
%S 1,-1,-1,-1,0,-1,0,0,0,0,-1,0,0,0,-1,1,1,1,0,0,1,-1,0,0,0,0,0,-1,0,0,
%T 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,0,0,1,0,0,0,0,1,-1,0,0,0,0,0,0,0,0,
%U 0,-1,0,0,0,0,0,0,0,0,0,0,0,0,-1,0,0,0,0,0,0,0,0,0,0,0,-1,1,1,0,0,0,0,1,0,0,0,0,0,0,1
%N Triangle read by rows: A128407 * A051731 as infinite lower triangular matrices.
%C Left and right borders = mu(n), A008683. Row sums = A008966: (1, -2, -2, 0, -2, 4, -2, 0, 0, 4, ...). A128408 * [1,2,3,...] = A063441: (1, -3, -4, 0, -6, 12, ...). A054524 = A051731 * A128407.
%e First few rows of the triangle:
%e 1;
%e -1, -1;
%e -1, 0, -1;
%e 0, 0, 0, 0;
%e -1, 0, 0, 0, -1;
%e 1, 1, 1, 0, 0, 1;
%e ...
%Y Cf. A008683, A008966, A054524, A063441, A128407.
%K tabl,sign
%O 1,1
%A _Gary W. Adamson_, Mar 01 2007
%E a(45) = 0 inserted and more terms from _Georg Fischer_, Jun 05 2023
|
