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A184673 T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with no 2X2 subblock summing to less than 6.

%I A184673 #7 Jun 02 2025 03:50:11
%S A184673 150,1740,1740,19269,67330,19269,216912,2405797,2405797,216912,
%T A184673 2430631,88458672,266060160,88458672,2430631,27278035,3225439429,
%U A184673 30765364899,30765364899,3225439429,27278035,305991368,117938741095,3509487618613
%N A184673 T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with no 2X2 subblock summing to less than 6.
%C A184673 Table starts
%C A184673 .......150..........1740.............19269................216912
%C A184673 ......1740.........67330...........2405797..............88458672
%C A184673 .....19269.......2405797.........266060160...........30765364899
%C A184673 ....216912......88458672.......30765364899........11348244616180
%C A184673 ...2430631....3225439429.....3509487618613......4110692224930359
%C A184673 ..27278035..117938741095...402221585928132...1498459859767029015
%C A184673 .305991368.4308670152724.46028365937520330.545098899148923125052
%H A184673 R. H. Hardin, <a href="/A184673/b184673.txt">Table of n, a(n) for n = 1..112</a>
%e A184673 Some solutions for 4X3
%e A184673 ..2..2..1....2..2..2....2..2..3....2..2..2....2..0..2....0..2..0....0..2..2
%e A184673 ..2..2..2....2..0..3....2..0..3....2..2..3....2..3..2....2..2..3....2..3..1
%e A184673 ..3..1..2....3..3..0....3..2..3....1..1..3....2..0..3....3..3..1....2..2..3
%e A184673 ..0..2..3....2..2..2....0..3..1....2..2..2....3..3..3....1..1..3....0..3..1
%K A184673 nonn,tabl
%O A184673 1,1
%A A184673 _R. H. Hardin_ Jan 19 2011