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A296598
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Number of nX7 0..1 arrays with each 1 horizontally, vertically or antidiagonally adjacent to 1, 2 or 3 neighboring 1s.
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1
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37, 6432, 370000, 26487173, 1952733110, 139547279602, 10046940260800, 723805695940277, 52099265384617231, 3750789602427272414, 270036038038577822508, 19440749034215131310199, 1399605769698172119764162
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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=2
..0..0..0..1..1..0..0. .1..1..1..1..0..0..0. .1..1..0..0..0..1..1
..0..1..1..0..1..0..0. .0..0..0..1..1..0..0. .0..1..1..0..1..1..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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