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A317608
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Number of nX5 0..1 arrays with every element unequal to 0, 1, 2, 4, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero.
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1
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16, 94, 419, 2639, 23031, 161091, 1160029, 8965243, 67933591, 512456411, 3925879723, 30060384987, 229860158692, 1763744445257, 13538720632879, 103909849372918, 798195801028945, 6132464360757554, 47116777346859473
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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..1..1..1. .0..0..0..1..0. .0..0..0..1..0. .0..1..1..1..1
..1..1..1..0..1. .0..0..0..1..0. .0..0..0..0..1. .0..1..1..1..1
..1..1..1..1..1. .1..0..0..0..0. .0..0..0..0..0. .1..1..1..1..1
..1..0..1..1..0. .0..1..0..0..0. .0..0..0..1..0. .1..1..0..1..1
..0..1..1..0..1. .0..0..0..1..0. .0..0..0..0..1. .0..0..0..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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