%I #4 Mar 30 2012 18:56:11
%S 1,15,144,1137,8070,53678,342224,2119359,12856752,76826324,453947206,
%T 2659486160,15479103062,89636939038,517014933254,2972784038825,
%U 17051188983758,97611767361074,557935896092592,3185250335024206
%N T(2n,n-3), T given by A026780.
%K nonn
%O 3,2
%A _Clark Kimberling_