A221377 - OEIS

A221377

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

41, 7723, 1548941, 318041768, 66128482930, 13839040254798, 2904381959945700, 610185056194548331, 128236726426333833646

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

Column 5 of A221378

LINKS

Table of n, a(n) for n=1..9.

EXAMPLE

Some solutions for n=3

..0..1..1..2..1....0..1..0..0..2....0..1..2..0..2....0..2..0..1..2

..0..2..0..2..1....0..1..2..0..1....0..2..1..1..2....0..1..0..2..0

..2..0..0..1..2....2..0..2..2..2....0..0..1..2..1....1..2..2..1..1

CROSSREFS

Sequence in context: A221325 A104301 A221300 * A160477 A221344 A325481

Adjacent sequences: A221374 A221375 A221376 * A221378 A221379 A221380

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 13 2013

STATUS

approved