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A221233
Number of n X 5 arrays of occupancy after each element moves to some horizontal, vertical or antidiagonal neighbor, with no occupancy greater than 2.
0
8, 6360, 1211716, 245539157, 50220166341, 10357727346177, 2143073423803342, 443873517219145108, 91950727852607387586, 19046356339122882057227, 3944664443163147115275632, 816879401520206867566005964
OFFSET
1,1
COMMENTS
Column 5 of A221234.
EXAMPLE
Some solutions for n=3
..0..2..0..0..2....0..0..2..2..2....0..1..2..1..1....0..2..0..1..1
..0..2..0..2..1....1..2..1..2..1....0..0..1..0..0....0..1..1..1..2
..2..0..2..2..0....0..0..0..2..0....1..2..2..2..2....0..1..2..1..2
CROSSREFS
Cf. A221234.
Sequence in context: A334517 A278384 A114133 * A173190 A291879 A281450
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 05 2013
STATUS
approved