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Column 0 of triangle A141712.
3

%I #2 Mar 30 2012 18:37:11

%S 1,1,2,6,26,162,1454,18854,354258,9671546,384587782,22323926270,

%T 1895288347354,235764308325666,43040024112901598,11547470030266126198,

%U 4559235319260902237410,2652214835190976783549066

%N Column 0 of triangle A141712.

%F Equals column 1 of triangle A141712 when shifted left one place.

%F Equals column 0 of the matrix square of triangle A141712 - see A141715.

%Y Cf. A141712, A141714, A141715.

%K nonn

%O 0,3

%A _Paul D. Hanna_, Jul 01 2008