A197399 Number of nX6 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,3,1,1,1 for x=0,1,2,3,4

1, 89, 1003, 13397, 159463, 1982913, 26456233, 338629635, 4353024153, 55929879939, 722493236409, 9314480449393, 119992375800087, 1545874022307093, 19926794194335021, 256859243868710897, 3310199428923647595

Offset

1,2

Comments

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

Column 6 of A197401

Links

R. H. Hardin, Table of n, a(n) for n = 1..207

Example

Some solutions containing all values 0 to 4 for n=4
..0..0..1..3..1..0....1..0..0..1..3..1....1..2..0..1..3..1....0..0..2..1..3..1
..1..0..0..1..4..1....3..1..2..0..1..2....3..1..1..4..1..2....0..1..1..4..1..0
..3..1..0..0..1..3....1..4..1..0..0..0....1..2..3..1..2..0....1..3..3..1..2..0
..1..2..0..0..0..1....0..1..3..1..0..0....0..0..1..2..0..0....0..1..1..0..0..0

Crossrefs

Sequence in context: A093289 A103545 A118368 * A183321 A264253 A219929

Adjacent sequences: A197396 A197397 A197398 * A197400 A197401 A197402

Keyword

nonn

Author

R. H. Hardin Oct 14 2011

Status

approved