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A303412
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Number of 5Xn 0..1 arrays with every element equal to 1, 2, 4, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
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1
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0, 61, 541, 902, 4013, 29411, 160247, 660748, 3071197, 17079507, 88199621, 419285701, 2063343133, 10608771290, 53689192266, 265848111937, 1327085663799, 6701302273037, 33718513860297, 168717573787828, 845811333794914
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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..1. .0..0..1..0..0. .0..0..0..0..0
..1..1..1..1..1. .1..1..1..1..0. .1..0..1..1..1. .0..0..0..0..0
..1..0..1..0..1. .1..0..1..0..1. .1..1..1..0..1. .0..1..0..1..0
..1..1..0..1..1. .0..0..0..0..1. .1..0..1..0..0. .1..0..1..0..0
..1..0..0..0..1. .1..1..1..1..0. .0..0..1..1..0. .0..1..0..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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