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A204838
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Number of (n+1)X7 0..2 arrays with the permanents of all 2X2 subblocks equal and nonzero
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1
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5304, 81706, 752028, 9984856, 102186340, 1289881302, 13850148312, 170465231268, 1881896188454, 22817667622740, 256504693469550, 3080269435649410, 35064690706443986, 418391719698372934, 4805847180224170442
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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 n=4
..1..1..1..0..1..0..1....0..1..0..1..1..1..2....0..1..2..1..1..1..1
..0..1..0..1..0..1..1....2..1..2..1..1..1..0....2..0..2..0..2..0..2
..1..0..1..0..1..0..1....0..1..0..1..1..1..2....1..1..2..1..2..1..2
..1..1..1..1..2..1..1....2..2..2..0..2..0..2....1..1..0..1..0..1..0
..1..0..1..0..1..0..1....1..0..1..1..1..1..2....2..0..2..1..2..0..2
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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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