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A221775
Number of nX3 arrays of occupancy after each element stays put or moves to some king-move neighbor, without move-in move-out left turns
0
8, 372, 16384, 703148, 30088757, 1287149604, 55062005315, 2355484567486, 100765156040153
OFFSET
1,1
COMMENTS
Column 3 of A221776
EXAMPLE
Some solutions for n=3
..0..2..3....1..0..0....0..0..1....0..2..3....1..2..0....1..1..2....0..2..2
..1..1..0....0..1..2....3..0..0....1..0..1....1..1..2....0..0..1....2..1..1
..2..0..0....3..0..2....1..1..3....1..1..0....2..0..0....2..0..2....0..1..0
CROSSREFS
Sequence in context: A193187 A240380 A038016 * A206690 A349114 A266920
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 25 2013
STATUS
approved