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%I #4 Mar 30 2012 18:36:52
%S 1,7,55,463,4159,39871,408703,4484095,52626943,659428351,8797030399,
%T 124546033663,1865317382143,29463497922559,489461328435199,
%U 8530417847785471,155621475302856703,2965833596006389759
%N Column 3 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_{j=0..n} A113711(n, j)*6^j.
%Y Cf. A113711, A113712 (column 1), A113713 (column 2), A113715 (row sums).
%K nonn
%O 0,2
%A _Paul D. Hanna_, Nov 08 2005
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