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A221399
Number of nX5 arrays of occupancy after each element moves to some horizontal, diagonal or antidiagonal neighbor, with no 2-loops and with no occupancy greater than 2
0
0, 324, 26374, 2294372, 197166544, 16996641648, 1467880996172, 126930182790936, 10983593507924760, 950783861987061762, 82317652792534321058, 7127444249953921537462
OFFSET
1,2
COMMENTS
Column 5 of A221400
EXAMPLE
Some solutions for n=3
..0..1..0..2..0....1..1..0..2..0....1..1..1..1..0....1..2..1..1..1
..1..1..0..2..2....0..1..2..1..1....1..2..0..2..0....1..2..0..2..1
..1..1..2..2..0....0..2..1..2..1....0..2..2..1..1....1..2..0..0..0
CROSSREFS
Sequence in context: A183358 A128381 A128992 * A204082 A088216 A121001
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 15 2013
STATUS
approved