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A299648
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Number of n X n 0..1 arrays with every element equal to 0, 1, 2, 3, 4, 5 or 6 king-move adjacent elements, with upper left element zero.
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0
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1, 8, 247, 29408, 13431706, 23582064542, 159047224409362, 4121184916626976747, 410254820466598294243538, 156900221075811012583120150328, 230531929217067955283511588326278811
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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=5
..0..0..0..0..0. .0..0..0..0..0. .0..0..0..0..0. .0..0..0..0..0
..0..0..1..0..1. .0..0..0..1..0. .0..0..1..0..1. .0..0..1..1..0
..1..0..0..1..0. .0..1..1..0..0. .1..0..1..1..0. .0..0..1..0..0
..1..0..0..1..0. .0..1..1..0..1. .0..0..1..0..1. .1..1..0..0..0
..0..0..1..1..0. .1..0..0..0..1. .1..0..0..1..1. .0..0..1..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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