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%I A131416 #2 Mar 30 2012 17:25:22
%S A131416 1,4,3,8,8,5,13,14,12,7,19,21,20,16,9,26,29,29,26,20,11,34,38,39,37,
%T A131416 32,24,13,43,48,50,49,45,38,28,15,53,59,62,62,59,53,44,32,17,64,71,75,
%U A131416 76,74,69,61,50,36,19
%N A131416 (A000012 * A002260) + (A002260 * A000012) - A000012.
%C A131416 Left column = A034856: (1, 4, 8, 13, 19, 26, 34,...). Row sums = A127735: (1, 7, 21, 46, 85...).
%F A131416 (A000012 * A002260) + (A002260 * A000012) - A000012; as infinite lower triangular matrices.
%e A131416 First few rows of the triangle are:
%e A131416 1;
%e A131416 4, 3;
%e A131416 8, 8, 5;
%e A131416 13, 14, 12, 7;
%e A131416 19, 21, 20, 16, 9;
%e A131416 26, 29, 29, 26, 20, 11;
%e A131416 ...
%Y A131416 Cf. A002260, A034856, A127735, A000012.
%K A131416 nonn,tabl
%O A131416 1,2
%A A131416 _Gary W. Adamson_, Jul 08 2007

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