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A299227
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Number of nX7 0..1 arrays with every element equal to 1, 2, 3, 4, 6 or 7 king-move adjacent elements, with upper left element zero.
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1
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8, 2907, 128610, 4532025, 173234478, 6766315496, 260938102438, 10077166692402, 389637415718865, 15058710314116325, 581977479263622822, 22493737410496748938, 869383064950398158845, 33601436598811749671626
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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..0..0..1..1..1..0. .0..0..1..1..1..1..1. .0..0..1..0..1..1..0
..0..1..0..0..1..1..0. .0..1..0..1..1..0..0. .0..1..0..0..1..1..0
..0..1..0..1..1..1..1. .0..1..0..1..1..1..1. .0..1..0..1..1..1..1
..0..0..0..1..1..0..1. .0..0..0..1..0..1..0. .0..0..0..1..1..1..1
..0..0..1..0..0..0..0. .0..0..1..0..1..0..0. .0..0..1..1..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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