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%I #4 Mar 30 2012 18:36:52
%S 1,2,6,31,230,2106,22309,265490,3491364,50191633,782625062,
%T 13155329058,237183163807,4566977815064,93561632638164,
%U 2032495366177429,46677419939036132,1130141423614269072,28774960495683155947
%N Row sums of triangle A113716, in which row n forms a polynomial in y=3*k that generates diagonal n as k=0,1,2,... for n>=0.
%F a(n) = Sum_{k=0..n} Sum_{j=0..n-k} A113711(n-k, j)*(3*k)^j.
%Y Cf. A113716, A113717 (column 1), A113718 (column 2).
%K nonn
%O 0,2
%A _Paul D. Hanna_, Nov 08 2005
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