A026332 - OEIS

%I #4 Mar 30 2012 18:56:06

%S 1,2,10,50,266,1452,8073,45460,258434,1479986,8525205,49342636,

%T 286721450,1671668520,9774222930,57291319170,336537958394,

%U 1980643375180,11676498649312,68940592625476,407593403738856,2412749904577020

%N a(n) = T(2n,n), where T is the array in A026323.

%K nonn

%O 0,2

%A _Clark Kimberling_