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A143258 Triangle read by rows, A054525 * A143257, 1<=k<=n.

%I A143258 #2 Mar 30 2012 17:25:31
%S A143258 1,1,1,2,1,1,2,1,1,1,4,1,1,1,1,2,2,1,1,1,1,6,1,1,1,1,1,1,4,2,1,1,1,1,
%T A143258 1,1,6,2,2,1,1,1,1,1,1,4,4,1,1,1,1,1,1,1,1,10,1,1,1,1,1,1,1,1,1,1,4,3,
%U A143258 3,2,1,1,1,1,1,1,1,1,12,1,1,1,1,1,1,1,1,1,1,1,1,6,6,1,1,1,1,1,1,1,1,1,1,1,1
%N A143258 Triangle read by rows, A054525 * A143257, 1<=k<=n.
%C A143258 Left border = phi(n), A000010.
%C A143258 Row sums = A029935: (1, 2, 4, 5, 8, 8, 12, 12,...)
%F A143258 Mobius transform of triangle A143257
%e A143258 First few rows of the triangle =
%e A143258 1;
%e A143258 1, 1;
%e A143258 2, 1, 1;
%e A143258 2, 1, 1, 1;
%e A143258 4, 1, 1, 1, 1;
%e A143258 2, 2, 1, 1, 1, 1;
%e A143258 6, 1, 1, 1, 1, 1, 1;
%e A143258 ...
%Y A143258 Cf. A143257, A054525, A029935, A000010.
%K A143258 nonn,tabl
%O A143258 1,4
%A A143258 _Gary W. Adamson_, Aug 02 2008