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%I #4 Mar 30 2012 18:56:51
%S 1,2,3,15,61,248,990,3898,15296,59916,234410,916837,3586569,14035072,
%T 54948806,215250063,843689919,3308882412,12984859980,50985319491,
%U 200307492747,787380113112,3096686683833,12185008608630
%N T(n,n-2), array T given by A047010.
%K nonn
%O 2,2
%A _Clark Kimberling_