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A221614
Number of 6Xn arrays of occupancy after each element moves to some horizontal or antidiagonal neighbor, without move-in move-out left turns
0
0, 32, 8072, 2764070, 804371949, 240257613761, 72063803799931, 21695654478885490
OFFSET
1,2
COMMENTS
Row 6 of A221609
EXAMPLE
Some solutions for n=3
..0..2..1....0..3..1....1..2..0....0..3..1....0..1..1....1..1..0....0..2..2
..0..3..1....1..1..0....0..2..0....0..1..0....0..3..0....0..3..0....0..1..0
..0..2..1....0..2..2....1..2..1....1..2..0....2..1..0....1..2..1....1..3..0
..0..1..1....0..2..0....1..2..0....2..1..0....1..3..0....1..1..0....0..2..1
..0..2..1....0..1..1....0..3..1....0..3..0....0..2..0....1..3..0....0..2..1
..0..2..1....1..3..0....0..1..1....2..2..0....2..2..0....1..2..0....0..2..1
CROSSREFS
Sequence in context: A334604 A342455 A351805 * A086752 A248001 A159679
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 20 2013
STATUS
approved