%I #4 Mar 30 2012 18:56:51
%S 1,1,4,18,74,295,1157,4519,17620,68667,267614,1043446,4071222,
%T 15897050,62124041,242971209,951030540,3725346595,14603504405,
%U 57286230209,224869490582,883247932875,3471296870925,13650352416587
%N T(n,n-2), array T as in A047030.
%K nonn
%O 2,3
%A _Clark Kimberling_
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