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A210125 T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with every 2X2 subblock having two or four distinct values, and new values 0..3 introduced in row major order 9
8, 44, 44, 265, 481, 265, 1702, 5587, 5587, 1702, 11369, 67585, 122093, 67585, 11369, 77642, 836053, 2737637, 2737637, 836053, 77642, 536581, 10466659, 62169169, 112952832, 62169169, 10466659, 536581, 3731446, 131849767, 1421103679 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Table starts

.......8.........44..........265............1702..............11369

......44........481.........5587...........67585.............836053

.....265.......5587.......122093.........2737637...........62169169

....1702......67585......2737637.......112952832.........4697571356

...11369.....836053.....62169169......4697571356.......357147640252

...77642...10466659...1421103679....196165653701.....27242258026525

..536581..131849767..32591746591...8207720539895...2081130274494177

.3731446.1666227265.748700150743.343746384294748.159103072099072264

LINKS

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

EXAMPLE

Some solutions for n=4 k=3

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

..0..1..1..0....1..0..2..3....0..1..1..0....0..1..1..1....2..0..1..0

..0..0..0..1....0..1..3..2....2..3..1..0....0..0..0..1....0..2..3..2

..1..0..2..3....2..3..1..0....2..2..0..0....0..1..0..0....1..3..2..3

..1..1..3..3....1..0..2..3....1..1..3..0....0..1..1..1....0..2..3..2

CROSSREFS

Sequence in context: A346198 A144039 A282189 * A044110 A044491 A178918

Adjacent sequences: A210122 A210123 A210124 * A210126 A210127 A210128

KEYWORD

nonn,tabl

AUTHOR

R. H. Hardin Mar 17 2012

STATUS

approved

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Last modified February 1 18:19 EST 2023. Contains 359995 sequences. (Running on oeis4.)