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A221117
Number of 5Xn arrays of occupancy after each element moves to some horizontal or antidiagonal neighbor, without 2-loops
1
0, 0, 304, 73267, 11678172, 1734890879, 247812858484, 35055335425051, 4931618049890052, 692510122093470450, 97148768309200805284, 13622697631155888055117, 1909831288992348327369008
OFFSET
1,3
COMMENTS
Row 5 of A221114
LINKS
EXAMPLE
Some solutions for n=3
..0..2..0....0..1..0....0..2..0....0..2..1....0..2..1....0..1..0....0..2..1
..1..2..1....1..3..0....1..2..1....1..3..0....1..1..0....1..2..1....1..3..1
..1..2..0....1..2..1....1..3..1....0..1..1....0..3..1....0..3..1....0..1..0
..0..2..1....0..2..1....0..2..1....1..2..1....1..3..0....0..2..1....1..2..0
..1..2..0....1..2..0....0..1..0....0..2..0....1..1..0....1..2..0....1..2..0
CROSSREFS
Sequence in context: A172228 A281329 A293092 * A216260 A160577 A256603
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 02 2013
STATUS
approved