A220800 T(n,k)=Agreement numbers: number of nXk arrays of the count of horizontal and vertical neighbors equal to the corresponding element in a random 0..2 nXk array

1, 2, 2, 4, 11, 4, 8, 66, 66, 8, 16, 388, 1165, 388, 16, 32, 2292, 20578, 20578, 2292, 32, 64, 13524, 363260, 1081347, 363260, 13524, 64, 128, 79820, 6413473, 56854180, 56854180, 6413473, 79820, 128, 256, 471076, 113229500, 2987139118, 8877292541

Offset

1,2

Comments

Table starts

...1......2.........4..........8.........16.........32...........64........128

...2.....11........66........388.......2292......13524........79820.....471076

...4.....66......1165......20578.....363260....6413473....113229500.1999059559

...8....388.....20578....1081347...56854180.2987139118.156943511836

..16...2292....363260...56854180.8877292541

..32..13524...6413473.2987139118

..64..79820.113229500

.128.471076

.256

Links

R. H. Hardin, Table of n, a(n) for n = 1..49

Example

Some solutions for n=3 k=4
..0..1..0..1....1..1..0..1....2..3..2..0....2..1..0..1....0..1..1..0
..1..1..1..3....2..2..2..3....2..3..3..0....1..1..0..1....1..1..1..0
..2..2..1..1....2..2..2..2....1..1..1..0....0..1..1..1....1..2..2..0

Crossrefs

Column 2 is A220783

Sequence in context: A296599 A219106 A219985 * A220786 A280673 A363385

Adjacent sequences: A220797 A220798 A220799 * A220801 A220802 A220803

Keyword

nonn,tabl

Author

R. H. Hardin Dec 21 2012

Status

approved