%I #4 Mar 30 2012 18:56:11
%S 1,9,56,301,1506,7258,34322,161039,755145,3556269,16876326,80881483,
%T 392014244,1922785012,9545380884,47947476888,243553779646,
%U 1250097073918,6477850149236,33857970839030,178339124650000,945852940569120
%N T(2n+1,n+4), T given by A026769.
%K nonn
%O 3,2
%A _Clark Kimberling_