%I #3 Mar 30 2012 18:56:04
%S 1,3,8,52,294,1691,9736,56277,326430,1899530,11085360,64857925,
%T 380331474,2234804775,13155328400,77565394650,458003596050,
%U 2707970743326,16030265384752,94997726453172
%N a(n) = T(2n-1,n), where T is the array defined in A026082.
%K nonn
%O 1,2
%A _Clark Kimberling_