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A221105
Number of nX4 arrays of occupancy after each element moves to some king-move neighbor, without 2-loops
0
0, 1570, 275487, 50444759, 8577221762, 1451267766627, 244456283406264
OFFSET
1,2
COMMENTS
Column 4 of A221106
EXAMPLE
Some solutions for n=3
..0..4..3..0....0..0..2..0....0..4..1..0....0..2..3..0....0..1..2..0
..0..2..0..1....0..2..2..3....2..0..3..0....1..0..2..1....4..1..0..3
..0..2..0..0....1..0..2..0....0..0..2..0....0..0..2..1....0..0..0..1
CROSSREFS
Sequence in context: A035765 A107561 A260144 * A236261 A252073 A202465
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 02 2013
STATUS
approved