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a(n) = T(2n,n-1), where T is the array in A026268.
1

%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_