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%I
%S 1,1,1,1,5,1,1,8,8,1,1,11,17,11,1,1,14,29,29,14,1,1,17,44,59,44,17,1,
%T 1,20,62,104,104,62,20,1,1,23,83,167,209,167,83,23,1,1,26,107,251,377,
%U 377,251,107,26,1
%N 3*A007318 - A103451 - A000012.
%C Row sums = A077802: (1, 2, 7, 18, 41, 88,...).
%F 3*A007318 - A103451 - A000012 as infinite lower triangular matrices.
%e First few rows of the triangle are:
%e 1;
%e 1, 1;
%e 1, 5, 1;
%e 1, 8, 8, 1;
%e 1, 11, 17, 11, 1;
%e 1, 14, 29, 29, 14, 1;
%e 1, 17, 44, 59, 44, 17, 1;
%e ...
%Y Cf. A007318, A103451, A000012, A077802.
%K nonn,tabl
%O 0,5
%A _Gary W. Adamson_, Aug 08 2007
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