%I #4 Mar 30 2012 17:39:19
%S 1,1,0,1,1,0,1,0,2,0,1,1,2,2,0,1,0,0,0,4,0,1,1,2,2,4,2,0,1,0,2,0,4,0,
%T 6,0,1,1,0,2,4,0,6,4,0,1,0,2,0,0,0,6,0,6,0
%N Triangle read by rows: T(n,k) = A054521(n,k)*A000010(k), 1<=k<=n .
%C Row sums = A053570.
%F A054521 * M, as infinite lower triangular matrices; M = phi(n) in the main diagonal and the rest zeros.
%e First few rows of the triangle are:
%e 1;
%e 1, 0;
%e 1, 1, 0;
%e 1, 0, 2, 0;
%e 1, 1, 2, 2, 0;
%e 1, 0, 0, 0, 4, 0;
%e 1, 1, 2, 2, 4, 2, 0;
%e ...
%Y Cf. A054521, A000010, A053570.
%K nonn,tabl
%O 1,9
%A _Gary W. Adamson_, Jan 17 2007
%E Edited by _R. J. Mathar_, Jan 09 2008