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A221613
Number of 5Xn arrays of occupancy after each element moves to some horizontal or antidiagonal neighbor, without move-in move-out left turns
0
0, 16, 1522, 184193, 19521328, 2114436826, 229719706276, 25028839210435, 2726511526305974
OFFSET
1,2
COMMENTS
Row 5 of A221609
EXAMPLE
Some solutions for n=3
..0..2..1....1..1..0....0..2..1....0..2..1....0..2..2....0..2..1....0..2..1
..1..2..0....1..3..0....1..2..0....1..2..1....0..2..1....0..2..1....1..3..0
..0..3..1....0..2..1....0..3..1....0..3..0....0..2..0....0..2..0....0..1..2
..1..0..0....0..2..2....0..1..1....0..1..1....1..2..0....2..2..0....0..3..0
..1..3..0....0..2..0....1..2..0....0..2..1....1..2..0....1..2..0....0..1..1
CROSSREFS
Sequence in context: A294163 A180504 A178024 * A266156 A054947 A071900
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 20 2013
STATUS
approved