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

150, 1740, 1740, 19269, 67330, 19269, 216912, 2405797, 2405797, 216912, 2430631, 88458672, 266060160, 88458672, 2430631, 27278035, 3225439429, 30765364899, 30765364899, 3225439429, 27278035, 305991368, 117938741095, 3509487618613

Offset: 1

Author

R. H. Hardin Jan 19 2011

Keywords

• nonn
• tabl

Comments

Table starts

.......150..........1740.............19269................216912

......1740.........67330...........2405797..............88458672

.....19269.......2405797.........266060160...........30765364899

....216912......88458672.......30765364899........11348244616180

...2430631....3225439429.....3509487618613......4110692224930359

..27278035..117938741095...402221585928132...1498459859767029015

.305991368.4308670152724.46028365937520330.545098899148923125052

Examples

			Some solutions for 4X3
..2..2..1....2..2..2....2..2..3....2..2..2....2..0..2....0..2..0....0..2..2
..2..2..2....2..0..3....2..0..3....2..2..3....2..3..2....2..2..3....2..3..1
..3..1..2....3..3..0....3..2..3....1..1..3....2..0..3....3..3..1....2..2..3
..0..2..3....2..2..2....0..3..1....2..2..2....3..3..3....1..1..3....0..3..1
		

Links

• R. H. Hardin, Table of n, a(n) for n = 1..112