%I #4 Mar 30 2012 18:56:51
%S 1,4,15,56,209,784,2958,11220,42753,163548,627770,2416804,9328384,
%T 36087780,139890764,543246696,2113015731,8230687548,32102370550,
%U 125358442460,490049744789,1917595810240,7510507532319,29440544167696
%N T(n,n+3), array T as in A047030.
%K nonn
%O 0,2
%A _Clark Kimberling_