A209897 T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with every 2X2 subblock having two distinct values, and new values 0..2 introduced in row major order

7, 34, 34, 164, 280, 164, 792, 2304, 2304, 792, 3824, 19008, 32800, 19008, 3824, 18464, 156800, 470736, 470736, 156800, 18464, 89152, 1293568, 6762544, 11857440, 6762544, 1293568, 89152, 430464, 10671616, 97195728, 299879808, 299879808

Offset

1,1

Comments

Table starts

......7.......34.........164...........792.............3824..............18464

.....34......280........2304.........19008...........156800............1293568

....164.....2304.......32800........470736..........6762544...........97195728

....792....19008......470736......11857440........299879808.........7597233712

...3824...156800.....6762544.....299879808......13410113952.......602072007808

..18464..1293568....97195728....7597233712.....602072007808.....48053885453696

..89152.10671616..1397061008..192567994720...27070584920080...3846901518589376

.430464.88038400.20081495760.4881998439024.1217939572945968.308412624303464672

Links

R. H. Hardin, Table of n, a(n) for n = 1..220

Example

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

Crossrefs

Sequence in context: A266018 A001795 A336277 * A209814 A117663 A063166

Adjacent sequences: A209894 A209895 A209896 * A209898 A209899 A209900

Keyword

nonn,tabl

Author

R. H. Hardin Mar 14 2012

Status

approved