%I #6 Dec 30 2023 21:44:33
%S 2,6,31,180,1101,6901,43828,280664,1807909,11698479,75973701,
%T 494890116,3231949644,21153128028,138712184488
%N T(2n-1,n), array T as in A054134.
%Y Cf. A054134.
%K nonn
%O 1,1
%A _Clark Kimberling_