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A183258
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Number of nX3 binary arrays with the number of 0-1 adjacencies equal to the number of 0-0 adjacencies
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1
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3, 5, 39, 157, 1074, 6851, 44684, 295255, 1966032, 13171478, 88698018, 600058038, 4077037444, 27777725036, 189722626787, 1299006953774, 8913417210851, 61269535943916, 421812728721817, 2908203722323184, 20077316090851079
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OFFSET
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1,1
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COMMENTS
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LINKS
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EXAMPLE
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Some solutions for 5X3
..0..1..1....1..0..1....0..0..1....1..0..0....1..1..1....0..0..0....0..0..1
..0..0..0....0..0..1....0..1..0....0..1..0....0..0..0....0..0..1....0..1..1
..1..1..0....0..0..1....0..0..1....0..1..0....1..1..0....1..0..1....0..0..0
..1..0..0....0..0..1....0..0..1....0..1..0....1..0..0....1..1..1....0..0..1
..1..0..0....1..0..1....0..0..1....0..0..0....0..0..0....1..1..1....1..0..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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