A209465 T(n,k)=Number of nXk 0..6 arrays with every 2X2 subblock containing exactly one value repeat, and new values 0..6 introduced in row major order.

1, 2, 2, 5, 6, 5, 15, 57, 57, 15, 52, 700, 2027, 700, 52, 203, 10676, 107472, 107472, 10676, 203, 877, 192994, 7487423, 26142922, 7487423, 192994, 877, 4139, 3966581, 613535578, 8012278798, 8012278798, 613535578, 3966581, 4139, 21110, 89157292

Offset: 1

Author

R. H. Hardin Mar 09 2012

Keywords

• nonn
• tabl

Comments

Table starts

....1........2.............5.................15......................52

....2........6............57................700...................10676

....5.......57..........2027.............107472.................7487423

...15......700........107472...........26142922..............8012278798

...52....10676.......7487423.........8012278798...........9920302864598

..203...192994.....613535578......2694404849980.......12804264249973850

..877..3966581...54657856108....937020001725427....16716447554895729642

.4139.89157292.5063931781244.329698685591776814.21891626720034635715808

Examples

			Some.solutions.for.n=4.k=3
..0..0..1....0..0..1....0..0..0....0..0..1....0..0..0....0..0..0....0..0..0
..1..2..0....1..2..1....1..2..1....1..2..0....1..2..1....1..2..1....1..2..3
..0..0..1....0..0..1....0..2..3....2..0..1....0..1..3....3..1..0....0..0..0
..1..2..0....3..4..1....2..1..1....1..0..2....0..4..4....0..1..2....4..2..4
		

Links

• R. H. Hardin, Table of n, a(n) for n = 1..84

Crossrefs

Column 1 is A099262