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A299878
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Number of nX7 0..1 arrays with every element equal to 0, 1, 2, 4, 5, 7 or 8 king-move adjacent elements, with upper left element zero.
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1
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64, 353, 632, 6542, 53159, 324797, 2714797, 21236116, 164681059, 1324743079, 10484425460, 83863545724, 672893105104, 5372830130506, 43082335143433, 345656025983818, 2769212623103764, 22208496535336149, 178160302556262981
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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=5
..0..1..0..0..1..0..1. .0..0..0..1..0..0..0. .0..1..0..1..1..0..1
..0..1..0..1..1..0..0. .1..0..0..0..0..0..1. .0..1..0..1..0..0..1
..1..1..1..1..1..1..1. .0..1..1..1..1..1..0. .1..0..0..0..0..0..1
..1..1..0..0..0..0..1. .0..1..1..0..1..1..0. .1..0..1..1..1..0..1
..0..1..0..1..0..0..0. .0..1..0..0..1..0..1. .0..1..0..0..0..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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