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%I #4 Mar 30 2012 18:56:10
%S 1,3,15,54,281,1069,5682,22196,119437,473871,2570259,10302254,
%T 56189736,226854572,1242353004,5042768384,27702888589,112915371783,
%U 621846132945,2543004195610,14032879286593,57541490484761,318053061106482
%N T(2n-1,n-1), T given by A026692.
%K nonn
%O 1,2
%A _Clark Kimberling_