%I #3 Mar 30 2012 18:56:05
%S 1,3,14,72,385,2110,11757,66298,377245,2161771,12458186,72130114,
%T 419239101,2444741300,14296415880,83807317674,492339686501,
%U 2897788821746,17084275066796,100873614561368
%N a(n) = T(2n,n-1), where T is the array in A026268.
%K nonn
%O 1,2
%A _Clark Kimberling_