%I #4 Mar 30 2012 18:56:10
%S 1,7,40,217,1157,6128,32366,170731,900070,4743641,24996639,131709418,
%T 693958384,3656283198,19263738121,101493477133,534729209960,
%U 2817271322394,14843040451314,78201799914387,412012556289626,2170721261223869
%N T(2n,n-1), T given by A026714.
%K nonn
%O 1,2
%A _Clark Kimberling_