%I #7 May 11 2021 21:32:32
%S 1,2,9,50,292,1757,10809,67473,425711,2707757,17332058,111508304,
%T 720429774,4670990039,30375989547,198050065342,1294186149138,
%U 8473767434587,55579644024480,365116858320540,2401901294047629,15820713708790749,104326220133691996
%N T(2n,n), array T as in A047060.
%K nonn
%O 0,2
%A _Clark Kimberling_
%E Data corrected by _Sean A. Irvine_, May 11 2021