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A203046
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Number of (n+3)X9 binary arrays with no more than one of any consecutive four bits set in any row or column
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1
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62393, 672157, 7590348, 86445746, 963362129, 10711347544, 119515110620, 1337168329880, 14945047693907, 166885634079461, 1863503343104193, 20816672648177087, 232554300676213050, 2597725853580219065
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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=1
..0..1..0..0..0..0..0..0..0....0..0..1..0..0..0..0..0..0
..0..0..1..0..0..0..0..0..0....0..1..0..0..0..0..0..0..0
..0..0..0..0..1..0..0..0..0....1..0..0..0..0..0..0..0..1
..0..0..0..0..0..0..0..0..0....0..0..0..0..0..1..0..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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