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A221923
Number of nX3 arrays of occupancy after each element stays put or moves to some king-move neighbor, without move-in move-out straight through or left turns
0
6, 350, 13228, 508281, 19513309, 749481703, 28788205897, 1105748138634, 42471447510183, 1631315682219574
OFFSET
1,1
COMMENTS
Column 3 of A221925
EXAMPLE
Some solutions for n=3
..0..0..2....1..1..2....0..0..1....2..0..2....0..1..1....2..0..0....0..2..1
..2..1..2....0..0..0....3..2..0....2..0..0....5..0..0....3..2..0....2..1..1
..1..0..1....4..0..1....0..1..2....0..2..1....0..2..0....0..2..0....1..1..0
CROSSREFS
Sequence in context: A229501 A289738 A211089 * A000409 A214445 A059415
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 31 2013
STATUS
approved