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%I #3 Mar 30 2012 18:36:56
%S 1,6,24,84,270,780,2268,5832,15876,37848,98058,221400,550644,1194096,
%T 2880324,6042600,14072928,28685316,65451120,130464594,288080334,
%U 560852526,1222435008,2344246554,4953629430,9307132992,19531257918
%N Column 2 of triangle A118040, which is the matrix square of triangle A118032; also equals a bisection of A118035, which is column 2 of A118032.
%Y Cf. A118035; A118040 (triangle), A118041 (column 0), A118042 (column 1); A118044 (row sums); related triangles: A118032, A118045.
%K nonn
%O 0,2
%A _Paul D. Hanna_, Apr 10 2006
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