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A305278
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Number of nX5 0..1 arrays with every element unequal to 0, 2, 3, 4 or 8 king-move adjacent elements, with upper left element zero.
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1
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1, 82, 87, 487, 1185, 5060, 17335, 73058, 275241, 1135214, 4474141, 18272560, 73232230, 297696906, 1201098907, 4872144375, 19707171814, 79868387402, 323359088801, 1310050602370, 5305691918957, 21492812038683, 87055596884440
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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..1..0..1. .0..1..1..0..0. .0..1..1..0..1. .0..0..1..1..0
..1..1..0..0..1. .0..1..1..0..0. .1..0..0..0..1. .1..1..0..0..1
..1..1..0..0..1. .1..1..1..0..0. .0..1..0..0..1. .1..1..0..0..0
..1..1..0..0..1. .0..1..1..0..0. .1..1..1..0..1. .0..0..1..1..1
..0..0..1..1..0. .0..1..1..0..0. .0..1..0..1..0. .0..0..1..1..1
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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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