A210125 - OEIS

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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

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