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%I #4 Mar 30 2012 18:36:52
%S 1,2,5,18,89,546,3893,31210,276393,2674346,28053749,317122018,
%T 3843832473,49745582994,684808185109,9994279232186,154164863607273,
%U 2506527296803674,42846740489105301,768278266512841330
%N Row sums of triangle A113711, in which row n forms a polynomial in y=2*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)*(2*k)^j.
%Y Cf. A113711, A113712 (column 1), A113713 (column 2), A113714 (column 3).
%K nonn
%O 0,2
%A _Paul D. Hanna_, Nov 08 2005
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