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A221198
Number of n X 5 arrays of occupancy after each element moves to some horizontal, diagonal or antidiagonal neighbor, with no occupancy greater than 2.
1
8, 720, 58700, 4984812, 433687328, 38397901048, 3437301520640, 309729304158392, 28014137861507600, 2539060159927062472, 230384024072002424484, 20916257751298954797560, 1899514293467279631162576
OFFSET
1,1
COMMENTS
Column 5 of A221200.
LINKS
EXAMPLE
Some solutions for n=3
..1..1..0..1..0....0..0..0..2..1....0..2..2..1..1....1..1..1..2..1
..0..2..2..2..0....0..2..2..2..1....1..2..1..1..0....0..2..1..0..0
..1..1..1..2..1....0..1..2..2..0....0..2..0..1..1....1..2..0..2..1
CROSSREFS
Cf. A221200.
Sequence in context: A116245 A361222 A277860 * A071308 A046188 A014387
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 04 2013
STATUS
approved