%I #5 Mar 31 2012 12:36:00
%S 150,1740,1740,19269,67330,19269,216912,2405797,2405797,216912,
%T 2430631,88458672,266060160,88458672,2430631,27278035,3225439429,
%U 30765364899,30765364899,3225439429,27278035,305991368,117938741095,3509487618613
%N T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with no 2X2 subblock summing to less than 6
%C Table starts
%C .......150..........1740.............19269................216912
%C ......1740.........67330...........2405797..............88458672
%C .....19269.......2405797.........266060160...........30765364899
%C ....216912......88458672.......30765364899........11348244616180
%C ...2430631....3225439429.....3509487618613......4110692224930359
%C ..27278035..117938741095...402221585928132...1498459859767029015
%C .305991368.4308670152724.46028365937520330.545098899148923125052
%H R. H. Hardin, <a href="/A184673/b184673.txt">Table of n, a(n) for n = 1..112</a>
%e Some solutions for 4X3
%e ..2..2..1....2..2..2....2..2..3....2..2..2....2..0..2....0..2..0....0..2..2
%e ..2..2..2....2..0..3....2..0..3....2..2..3....2..3..2....2..2..3....2..3..1
%e ..3..1..2....3..3..0....3..2..3....1..1..3....2..0..3....3..3..1....2..2..3
%e ..0..2..3....2..2..2....0..3..1....2..2..2....3..3..3....1..1..3....0..3..1
%K nonn,tabl
%O 1,1
%A _R. H. Hardin_ Jan 19 2011