A221344 Number of nX5 arrays of occupancy after each element stays put or moves to some horizontal, diagonal or antidiagonal neighbor, with no occupancy greater than 2

41, 7877, 1534835, 308965149, 63149694983, 12989361912229, 2678002672533618

Offset

1,1

Comments

Column 5 of A221345

Links

Table of n, a(n) for n=1..7.

Example

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

Crossrefs

Sequence in context: A221300 A221377 A160477 * A325481 A199652 A241111

Adjacent sequences: A221341 A221342 A221343 * A221345 A221346 A221347

Keyword

nonn

Author

R. H. Hardin Jan 11 2013

Status

approved