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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 9
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 (list; table; graph; refs; listen; history; text; internal format)
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: A202757 A266018 A001795 * A209814 A117663 A063166

Adjacent sequences:  A209894 A209895 A209896 * A209898 A209899 A209900

KEYWORD

nonn,tabl

AUTHOR

R. H. Hardin Mar 14 2012

STATUS

approved

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Last modified February 18 23:26 EST 2018. Contains 299330 sequences. (Running on oeis4.)