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T(2n,n), array T as in A047110.
0

%I #5 Mar 30 2012 18:56:53

%S 1,1,5,31,151,917,5619,33627,210911,1326395,8366161,53441835,

%T 342477957,2203613164,14248253995,92379163952,600644552471,

%U 3915699367751,25579440322831,167423682425912,1097738520430457,7208383257398805

%N T(2n,n), array T as in A047110.

%K nonn

%O 0,3

%A _Clark Kimberling_. Definition revised Dec 08 2006