%I #5 Feb 14 2022 21:27:24
%S 1,2,1,3,0,4,4,3,0,4,5,0,0,0,16,6,3,8,0,0,4,7,0,0,0,0,0,36,8,7,0,12,0,
%T 0,0,16,9,0,16,0,0,0,0,0,36,10,5,0,0,32,0,0,0,0,16
%N Triangle, square of A054522.
%C Right border = A127473, squares of phi(n) terms. Row sums = A057660: (1, 3, 7, 11, 21, ...).
%F (A054522)^2 as an infinite lower triangular matrix.
%e First few rows of the triangle:
%e 1;
%e 2, 1;
%e 3, 0, 4;
%e 4, 3, 0, 4;
%e 5, 0, 0, 0, 16;
%e 6, 3, 8, 0, 0, 4;
%e 7, 0, 0, 0, 0, 0, 36;
%e 8, 7, 0, 12, 0, 0, 0, 16;
%e ...
%Y Cf. A127473, A057660, A054522.
%K nonn,tabl
%O 1,2
%A _Gary W. Adamson_, Jan 15 2007
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