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A297914
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Number of nX7 0..1 arrays with every element equal to 0, 2, 3 or 4 king-move adjacent elements, with upper left element zero.
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1
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1, 864, 2016, 35788, 789026, 15983426, 362523451, 7903384843, 176308045666, 3941879866879, 87755060397182, 1960425981130977, 43770946796249155, 977291527301161623, 21823838569731609645, 487330565461513151643
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OFFSET
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1,2
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COMMENTS
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LINKS
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EXAMPLE
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Some solutions for n=4
..0..0..1..0..1..1..1. .0..1..0..1..1..1..0. .0..0..1..0..1..1..0
..0..0..1..1..1..0..1. .1..1..0..0..1..0..0. .0..0..0..0..0..1..1
..1..1..0..0..0..0..1. .0..0..1..0..1..0..1. .1..1..1..1..1..0..0
..1..0..0..1..0..1..1. .1..0..0..1..1..0..0. .1..1..0..1..0..0..1
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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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