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A217457 T(n,k)=Number of nXk arrays of the minimum value of corresponding elements and their horizontal and vertical neighbors in a random 0..2 nXk array 9
3, 3, 3, 9, 15, 9, 17, 69, 69, 17, 37, 253, 613, 253, 37, 77, 1049, 4361, 4361, 1049, 77, 163, 4205, 35067, 60821, 35067, 4205, 163, 343, 16887, 271863, 939819, 939819, 271863, 16887, 343, 723, 68015, 2122623, 14031423, 28176327, 14031423, 2122623 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Table starts

....3........3...........9.............17..............37...............77

....3.......15..........69............253............1049.............4205

....9.......69.........613...........4361...........35067...........271863

...17......253........4361..........60821..........939819.........14031423

...37.....1049.......35067.........939819........28176327........816124375

...77.....4205......271863.......14031423.......816124375......45755747495

..163....16887.....2122623......211328743.....23851967507....2588934295383

..343....68015....16577231.....3180307843....696290061931..146317423917255

..723...273471...129398981....47838403809..20322202997527.8268318911401803

.1523..1100135..1010161409...719805267377.593290247614087

.3209..4425449..7886865189.10830069725301

.6761.17801365.61570433261

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..111

EXAMPLE

Some solutions for n=3 k=4

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

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

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

CROSSREFS

Sequence in context: A332337 A161808 A188344 * A231753 A231663 A180439

Adjacent sequences:  A217454 A217455 A217456 * A217458 A217459 A217460

KEYWORD

nonn,tabl

AUTHOR

R. H. Hardin Oct 03 2012

STATUS

approved

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Last modified October 1 08:39 EDT 2020. Contains 337442 sequences. (Running on oeis4.)