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A221340
Number of nX4 arrays of occupancy after each element moves to some king-move neighbor, with no 2-loops and with no occupancy greater than 2
0
0, 758, 49197, 4072557, 290087988, 20842593371, 1491982399481, 107036118955682
OFFSET
1,2
COMMENTS
Column 4 of A221341
EXAMPLE
Some solutions for n=3
..1..1..1..1....0..2..1..2....0..1..1..2....2..2..2..0....1..2..0..0
..0..1..2..0....1..2..0..2....1..2..1..1....1..0..0..2....1..1..2..0
..0..2..2..1....1..0..1..0....0..0..1..2....1..1..1..0....2..2..0..1
CROSSREFS
Sequence in context: A101833 A261858 A068683 * A290738 A104336 A157830
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 11 2013
STATUS
approved