%I #4 Mar 30 2012 18:56:14

%S 1,1,3,9,18,49,127,331,883,2376,6439,17591,48347,133589,370883,

%T 1033997,2893498,8124303,22880569,64616728,182943204,519146325,

%U 1476337528,4206621803,12008000771,34335363519,98332343337,282026580873

%N a(n) = diagonal sum of right justified array T given by A027082.

%K nonn

%O 0,3

%A _Clark Kimberling_