A220786 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..3 nXk array

1, 2, 2, 4, 11, 4, 8, 66, 66, 8, 16, 388, 1197, 388, 16, 32, 2292, 21551, 21551, 2292, 32, 64, 13524, 388159, 1180735, 388159, 13524, 64, 128, 79820, 6991108, 64833703, 64833703, 6991108, 79820, 128, 256, 471076, 125915577, 3558125814, 10847110485

Offset

1,2

Comments

Table starts

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

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

...4.....66......1197......21551......388159....6991108....125915577.2267843221

...8....388.....21551....1180735....64833703.3558125814.195295491582

..16...2292....388159...64833703.10847110485

..32..13524...6991108.3558125814

..64..79820.125915577

.128.471076

.256

Links

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

Example

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

Crossrefs

Sequence in context: A219106 A219985 A220800 * A280673 A363385 A280531

Adjacent sequences: A220783 A220784 A220785 * A220787 A220788 A220789

Keyword

nonn,tabl

Author

R. H. Hardin Dec 20 2012

Status

approved