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A298927
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Number of nX5 0..1 arrays with every element equal to 2, 3, 5, 7 or 8 king-move adjacent elements, with upper left element zero.
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1
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0, 11, 3, 23, 94, 255, 666, 2720, 8571, 30093, 106192, 369318, 1291934, 4552705, 15952349, 56078262, 197277132, 693611434, 2438933680, 8579643205, 30173988847, 106130105150, 373307026724, 1313049614295, 4618497134678, 16245278266932
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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..0. .0..0..1..0..0. .0..0..1..0..0. .0..0..1..1..1
..0..1..1..0..0. .0..1..1..1..0. .1..0..1..1..0. .0..0..1..1..1
..1..1..1..1..1. .1..0..0..0..1. .1..1..0..0..1. .0..0..1..1..1
..0..0..1..0..1. .0..1..1..1..0. .1..0..1..1..0. .0..0..1..1..1
..0..1..1..0..0. .0..0..1..0..0. .0..0..1..0..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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