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%I #11 Mar 06 2022 00:14:03
%S 1,1,1,1,0,1,1,1,1,1,1,2,4,2,1,1,3,8,8,3,1,1,4,13,18,13,4,1,1,5,19,33,
%T 33,19,5,1,1,6,26,54,68,54,26,6,1,1,7,34,82,124,124,82,34,7,1,1,8,43,
%U 118,208,250,208,118,43,8,1,1,9,53,163,328,460,460,328,163,53,9,1
%N A007318 + 2*A103451 - 2*A000012.
%C Row sums = A132824: (1, 2, 2, 4, 10, 24, 54, 116, 242, ...).
%F A007318 + 2*A103451 - 2*A000012 as infinite lower triangular matrices.
%e First few rows of the triangle:
%e 1;
%e 1, 1;
%e 1, 0, 1;
%e 1, 1, 1, 1;
%e 1, 2, 4, 2, 1;
%e 1, 3, 8, 8, 3, 1;
%e 1, 4, 13, 18, 13, 4, 1;
%e 1, 5, 19, 33, 33, 19, 5, 1;
%e 1, 6, 26, 54, 68, 54, 26, 6, 1;
%e 1, 7, 34, 82, 124, 124, 82, 34, 7, 1;
%e ...
%Y Cf. A007318, A103451, A000012, A132824.
%Y A(2n,n) gives A115112 for n>0.
%K nonn,tabl
%O 0,12
%A _Gary W. Adamson_, Sep 02 2007
%E One missing 1 inserted and more terms added by _Alois P. Heinz_, Feb 10 2019
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