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A209814 T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with every 2X2 subblock having two distinct values, and new values 0..3 introduced in row major order 9
7, 34, 34, 173, 302, 173, 930, 2721, 2721, 930, 5193, 25505, 43209, 25505, 5193, 29782, 244208, 712829, 712829, 244208, 29782, 173789, 2377378, 11912459, 20873080, 11912459, 2377378, 173789, 1025274, 23398105, 201392025, 617966001, 617966001 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Table starts

.......7........34.........173............930.............5193

......34.......302........2721..........25505...........244208

.....173......2721.......43209.........712829.........11912459

.....930.....25505......712829.......20873080........617966001

....5193....244208....11912459......617966001......32449786403

...29782...2377378...201392025....18479672376....1723218327331

..173789..23398105..3428713825...555404234236...91909548662623

.1025274.231987361.58668627061.16753667272666.4917823780419687

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..144

EXAMPLE

Some solutions for n=4 k=3

..0..0..1..1....0..0..0..1....0..1..0..0....0..0..1..0....0..0..0..0

..2..0..0..0....0..1..0..1....1..0..1..0....0..1..1..0....0..1..1..0

..2..0..1..1....1..0..0..0....0..0..1..0....0..0..0..1....1..0..1..0

..2..0..0..0....1..0..1..0....0..1..0..0....1..0..1..1....1..0..0..1

..0..0..1..0....0..0..0..0....1..0..1..0....1..0..0..0....1..0..1..1

CROSSREFS

Sequence in context: A266018 A001795 A209897 * A117663 A063166 A259055

Adjacent sequences:  A209811 A209812 A209813 * A209815 A209816 A209817

KEYWORD

nonn,tabl

AUTHOR

R. H. Hardin Mar 13 2012

STATUS

approved

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Last modified February 22 11:16 EST 2018. Contains 299452 sequences. (Running on oeis4.)