%I #8 May 29 2023 13:00:42
%S 1,1,0,3,2,0,4,0,3,0,10,5,3,4,0,6,0,0,0,5,0,21,9,7,4,5,6,0,16,0,3,0,5,
%T 0,7,0,27,10,0,9,5,0,7,8,0,20,0,8,0,0,0,7,0,9,0,55,20,12,9,11,6,7,8,9,
%U 10,0,24,0,0,0,5,0,7,0,0,0,11,0,78,27,18,15,11,13,7,8,9,10,11,12,0
%N Triangle read by rows: A054521 * A129234 as infinite lower triangular matrices.
%C Left column = A023896: (1, 1, 3, 4, 10, 6, 21, ...).
%e First few rows of the triangle:
%e 1;
%e 1, 0;
%e 3, 2, 0;
%e 4, 0, 3, 0;
%e 10, 5, 3, 4, 0;
%e 6, 0, 0, 0, 5, 0;
%e 21, 9, 7, 4, 5, 6, 0;
%e 16, 0, 3, 0, 5, 0, 7, 0;
%e ...
%Y Cf. A023896, A054521, A129234.
%K nonn,tabl
%O 1,4
%A _Gary W. Adamson_, Apr 05 2007
%E a(21) = 0 inserted and more terms from _Georg Fischer_, May 29 2023
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