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A203540
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Number of nX6 0..2 arrays with every element neighboring horizontally or vertically both a 0 and a 1
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1
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0, 196, 10404, 614656, 46485124, 3743237124, 257720706244, 20056281523776, 1492411644481536, 112070612773938064, 8426586286656023616, 632681292075367516804, 47524857928919914127524, 3570176077491731508417600
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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=5
..2..1..0..2..0..0....2..0..0..0..1..1....2..0..0..0..0..0....0..0..0..1..1..0
..0..1..0..1..1..1....1..1..1..1..2..0....1..1..1..1..1..1....1..1..2..0..1..0
..0..2..2..0..1..2....0..1..2..0..0..0....0..2..0..2..1..1....0..2..2..0..1..1
..1..0..1..0..1..0....0..2..0..1..1..1....0..0..0..0..0..0....0..0..1..2..0..1
..1..0..1..1..1..0....1..1..0..0..0..1....1..1..1..1..1..0....1..1..1..0..0..1
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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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