%I #8 Mar 30 2012 17:25:15
%S 1,-1,-1,-1,-1,-1,0,0,0,0,-1,-1,-1,-1,-1,1,1,1,1,1,1,-1,-1,-1,-1,-1,
%T -1,-1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,1,1
%N Triangle read by rows: T(n,k) = mu(n) where 1<=k<=n and mu=A008683.
%C Row sums are A055615(n).
%F T = M * Q, as infinite lower triangular matrices; M = mu(n) in the main diagonal and the rest zeros, Q = (1; 1, 1; 1, 1, 1;...).
%e First few rows of the triangle are:
%e 1;
%e -1, -1;
%e -1, -1, -1;
%e 0, 0, 0, 0;
%e -1, -1, -1, -1, -1;
%e 1, 1, 1, 1, 1, 1;
%e ...
%Y Cf. A008683, A055615.
%K tabl,easy,sign
%O 1,1
%A _Gary W. Adamson_, Jan 17 2007