%I #5 Mar 30 2012 18:56:53
%S 1,1,6,28,166,971,5937,36736,230363,1458037,9292357,59576614,
%T 383721187,2481397399,16099317872,104753149406,683279530195,
%U 4466548322041,29253296829696,191917744224242,1260998821726319,8296736705457073
%N T(2n,n), array T as in A047120.
%K nonn
%O 0,3
%A _Clark Kimberling_. Definition revised Dec 08 2006
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