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A297888
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Number of nX7 0..1 arrays with every element equal to 0, 1, 2 or 4 king-move adjacent elements, with upper left element zero.
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1
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64, 301, 99, 223, 248, 264, 433, 579, 650, 1124, 1469, 2441, 3648, 5209, 7873, 12122, 19094, 29449, 44412, 68113, 105988, 167722, 263789, 411020, 634939, 986095, 1564186, 2480268, 3902903, 6131597, 9585398, 15100840, 23997787, 38032089
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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=7
..0..1..1..0..0..0..0. .0..1..1..0..1..0..0. .0..0..1..0..1..1..0
..0..0..0..1..1..1..1. .1..0..0..0..1..0..1. .1..1..1..0..0..0..1
..1..1..0..0..0..0..0. .0..1..0..1..0..0..1. .0..1..0..1..0..1..0
..0..1..0..1..1..1..1. .0..1..0..1..0..1..0. .0..1..0..1..0..1..0
..1..1..0..0..0..0..0. .0..1..0..1..0..0..1. .1..0..0..0..0..0..1
..0..0..0..1..1..1..1. .1..0..0..0..1..0..1. .1..0..1..1..1..0..1
..0..1..1..0..0..0..0. .0..1..1..0..1..0..0. .0..0..1..0..1..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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