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A295528
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Number of nX5 0..1 arrays with each 1 horizontally or vertically adjacent to 1, 2 or 4 1s.
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1
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12, 280, 4080, 64189, 1012315, 16031147, 253594307, 4003959566, 63279327977, 1000139739583, 15804787030137, 249762291976009, 3947048440634688, 62375786616766976, 985731805754249812, 15577646241372914358
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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..0..0. .0..0..0..0..0. .0..0..0..0..0. .1..0..0..0..0
..0..1..0..1..1. .0..1..0..0..0. .0..0..1..1..0. .1..0..0..0..0
..1..1..1..0..1. .0..1..1..1..0. .1..0..0..0..0. .0..0..1..0..0
..0..1..0..1..1. .1..0..0..0..0. .1..0..0..1..1. .1..1..1..0..0
..0..0..0..1..0. .1..1..1..1..1. .1..1..0..0..0. .1..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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