%I #3 Mar 30 2012 18:56:01
%S 2,10,60,343,1968,11319,65351,378690,2201772,12839896,75076505,
%T 440016174,2584289200,15206283135,89625150180,529040216175,
%U 3127061645796,18506252646420,109644576096980,650280444390382
%N a(n) = T(2n,n+1), where T is the array defined in A025177.
%K nonn
%O 1,1
%A _Clark Kimberling_