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A221119
Number of 7Xn arrays of occupancy after each element moves to some horizontal or antidiagonal neighbor, without 2-loops
0
0, 0, 10200, 27551817, 42873095694, 61164981824003, 82293038769560932
OFFSET
1,3
COMMENTS
Row 7 of A221114
EXAMPLE
Some solutions for n=3
..0..2..0....0..2..1....0..2..0....0..1..0....0..1..0....0..2..1....0..2..1
..1..2..1....0..2..0....1..2..1....1..3..0....1..3..1....1..3..0....1..2..0
..0..1..1....1..2..0....1..3..1....1..2..1....1..3..0....0..0..0....0..2..0
..0..3..1....1..2..1....0..1..1....1..3..0....1..1..1....1..2..1....1..2..1
..0..2..1....1..2..1....0..2..0....1..2..0....0..1..0....0..3..0....0..2..1
..0..2..1....0..3..1....0..2..1....0..1..1....0..3..1....1..2..1....1..3..1
..1..2..0....0..1..0....1..2..0....1..2..0....1..2..0....1..2..0....0..1..0
CROSSREFS
Sequence in context: A102326 A216262 A243410 * A105582 A243819 A258890
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 02 2013
STATUS
approved