%I #4 Mar 30 2012 18:56:53
%S 1,4,13,46,162,588,2175,8042,30050,112859,426682,1622775,6191928,
%T 23709735,91044994,350563516,1353275024,5234851541,20287972487,
%U 78757772777,306202563769,1192168270089,4647483544430,18138518078549
%N T(n,n-2), array T as in A047150.
%K nonn
%O 2,2
%A _Clark Kimberling_
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