%I #4 Mar 30 2012 18:56:53
%S 1,2,4,19,60,237,850,3252,12168,46497,177052,679745,2612226,10079515,
%T 38961906,150982379,586067980,2278999145,8874984360,34609160383,
%U 135125659144,528166347564,2066529185116,8093134894351
%N T(n,n-1), array T as in A047089.
%K nonn
%O 1,2
%A _Clark Kimberling_