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A129558 A054523 * A129360. 0

%I

%S 1,1,1,1,0,1,2,1,0,1,3,0,0,0,1,1,1,1,0,0,1,5,0,0,0,0,0,1,4,2,0,1,0,0,

%T 0,1,4,0,1,0,0,0,0,0,1,3,3,0,0,1,0,0,0,0,1

%N A054523 * A129360.

%C Row sums = A062570, phi(2*n): (1, 2, 2, 4, 4, 4, 6, 8,...)

%F A054523 * A129360 as infinite lower triangular matrices.

%e First few rows of the triangle are:

%e 1;

%e 1, 1;

%e 1, 0, 1;

%e 2, 1, 0, 1;

%e 3, 0, 0, 0, 1;

%e 1, 1, 1, 0, 0, 1;

%e 5, 0, 0, 0, 0, 0, 1;

%e 4, 2, 0, 1, 0, 0, 0, 1;

%e 4, 0, 1, 0, 0, 0, 0, 0, 1;

%e ...

%Y Cf. A054523, A129360, A062570.

%K nonn,tabl

%O 1,7

%A _Gary W. Adamson_, Apr 20 2007

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Last modified June 24 04:50 EDT 2021. Contains 345416 sequences. (Running on oeis4.)