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A221759
Number of 5Xn arrays of occupancy after each element moves to some horizontal or antidiagonal neighbor, without move-in move-out straight through or left turns
1
0, 16, 0, 1397, 4848, 311288, 3143356, 95371405, 1408726936, 32834969845, 567338379368, 11889622353917, 219617227173464, 4402515591150392, 83668550304232336, 1646134713660117417, 31665136198081295926
OFFSET
1,2
COMMENTS
Row 5 of A221755
LINKS
EXAMPLE
Some solutions for n=4
..0..2..1..1....0..2..1..1....0..2..2..1....0..2..1..2....1..1..1..1
..1..1..1..1....1..1..2..1....1..0..1..1....1..0..2..0....0..2..0..2
..1..1..0..2....0..1..2..0....0..2..2..1....0..2..1..1....2..0..2..0
..1..1..2..0....0..2..1..1....1..1..0..1....1..1..2..1....0..2..1..1
..2..0..1..1....1..1..2..0....1..1..2..0....1..0..1..1....1..1..2..0
CROSSREFS
Sequence in context: A198804 A274377 A221380 * A111979 A309984 A173436
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 24 2013
STATUS
approved