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A187437
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Number of (n+1)X6 0..2 arrays with no 2X2 subblock commuting with any of its horizontal and vertical 2X2 subblock neighbors
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1
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365485, 150878368, 62735788524, 26149356865336, 10892264636400698, 4538075433355553643, 1890619227290921101120, 787665007015732116012615, 328154178211463733692477790, 136714491883321598821583125411
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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 3X6
..0..0..2..0..1..2....0..0..2..2..0..1....0..0..2..0..0..0....0..0..1..0..2..0
..0..1..1..1..1..2....0..1..2..1..0..1....0..1..1..2..2..1....0..1..1..1..0..1
..0..0..0..2..1..1....0..0..0..1..1..0....0..0..0..2..0..0....0..0..0..1..2..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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