A196705 Number of nX6 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,1,0,4,2 for x=0,1,2,3,4

22, 1744, 55436, 2264381, 88057485, 3444722540, 134682461126, 5269250186071, 206166859931473, 8065792226445503, 315546555294232838, 12344751415733916603, 482952689817901349673, 18894135165739360648424

Offset

1,1

Comments

Every 0 is next to 0 3's, every 1 is next to 1 1's, every 2 is next to 2 0's, every 3 is next to 3 4's, every 4 is next to 4 2's

Column 6 of A196707

Links

R. H. Hardin, Table of n, a(n) for n = 1..191

Example

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

Crossrefs

Sequence in context: A245658 A277664 A199836 * A196854 A196948 A202885

Adjacent sequences: A196702 A196703 A196704 * A196706 A196707 A196708

Keyword

nonn

Author

R. H. Hardin Oct 05 2011

Status

approved