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%I #6 May 29 2023 13:01:46
%S 1,0,1,1,0,1,1,0,0,1,3,0,0,0,1,0,1,0,0,0,1,5,0,0,0,0,0,1,2,1,0,0,0,0,
%T 0,1,4,0,1,0,0,0,0,0,1,0,3,0,0,0,0,0,0,0,1,9,0,0,0,0,0,0,0,0,0,1,1,0,
%U 1,1,0,0,0,0,0,0,0,1,11,0,0,0,0,0,0,0,0,0,0,0,1,0,5,0,0,0,0,0,0,0,0,0,0,0,1
%N Triangle read by rows: A054525 * A054523 as infinite lower triangular matrices.
%C Row sums = phi(n), A000010: (1, 1, 2, 2, 4, 2, 6,...).
%C Left border = A007431: (1, 0, 1, 1, 3, 0, 5, 2, 4,...).
%F Moebius transform of triangle A054523.
%e First few rows of the triangle =
%e 1;
%e 0, 1;
%e 1, 0, 1;
%e 1, 0, 0, 1;
%e 3, 0, 0, 0, 1;
%e 0, 1, 0, 0, 0, 1;
%e 5, 0, 0, 0, 0, 0, 1;
%e 2, 1, 0, 0, 0, 0, 0, 1;
%e ...
%Y Cf. A000010, A007431, A054523, A054525.
%K nonn,tabl
%O 1,11
%A _Gary W. Adamson_, Aug 03 2008
%E a(17), a(18) corrected by _Georg Fischer_, May 29 2023
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