|
%I #4 Feb 18 2022 22:29:56
%S 1,1,2,2,0,3,2,1,0,4,4,0,0,0,5,2,2,1,0,0,6,6,0,0,0,0,0,7,4,2,0,1,0,0,
%T 0,8,6,0,2,0,0,0,0,0,9,4,4,0,0,1,0,0,0,0,10
%N A054525 * A129234.
%C Left border = phi(n), A000010: (1, 1, 2, 2, 4, 2, 6, ...). A129237 = inverse Moebius transform of A129234.
%F A054525 * A129234 as infinite lower triangular matrices.
%e First few rows of the triangle:
%e 1;
%e 1, 2;
%e 2, 0, 3;
%e 2, 1, 0, 4;
%e 4, 0, 0, 0, 5;
%e 2, 2, 1, 0, 0, 6;
%e 6, 0, 0, 0, 0, 0, 7;
%e 4, 2, 0, 1, 0, 0, 0, 8;
%e ...
%Y Cf. A129234, A129235, A129237.
%K nonn,tabl
%O 1,3
%A _Gary W. Adamson_, Apr 05 2007
|
