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A221827
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Number of nX5 arrays of occupancy after each element moves to some horizontal, vertical or antidiagonal neighbor, without 2-loops or left turns
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0
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0, 333, 40983, 4715043, 570066685, 68489860450, 8224749361083, 987885812260577, 118641972922938733, 14248324215718943851, 1711142647446159966808
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OFFSET
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1,2
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COMMENTS
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LINKS
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EXAMPLE
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Some solutions for n=3
..1..1..0..0..0....1..1..0..0..1....0..1..1..1..0....0..2..3..1..1
..1..2..1..0..1....2..2..1..0..1....1..1..1..2..1....1..0..1..2..0
..2..2..1..2..1....0..1..3..2..0....1..1..1..2..1....1..1..1..1..0
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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