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.

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

Offset: 1

Author

R. H. Hardin Oct 03 2012

Keywords

• nonn
• tabl

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

Examples

			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
		

Links

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