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%I #4 Mar 05 2022 01:04:52
%S 1,3,3,5,3,5,7,4,4,7,9,5,5,5,9,11,6,6,6,6,11,13,7,7,7,7,7,13,15,8,8,8,
%T 8,8,8,15,17,9,9,9,9,9,9,9,17,19,10,10,10,10,10,10,10,10,19
%N A002024 + A131821 - A000012.
%C Row sums = A028872: (1, 6, 13, 22, 33, 46, ...).
%F A002024 + A131821 - A000012 as infinite lower triangular matrices.
%e First few rows of the triangle:
%e 1;
%e 3, 3;
%e 5, 3, 5;
%e 7, 4, 4, 7;
%e 9, 5, 5, 5, 9;
%e 11, 6, 6, 6, 6, 11;
%e 13, 7, 7, 7, 7, 7, 13;
%e ...
%Y Cf. A002024, A131821, A000012, A028872.
%K nonn,tabl
%O 0,2
%A _Gary W. Adamson_, Jul 28 2007
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