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A303252
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Number of nX6 0..1 arrays with every element equal to 1, 2, 3, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
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1
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5, 537, 4556, 78679, 1218385, 19457754, 306224454, 4895684572, 77683246701, 1234426654421, 19631272724800, 312041675243059, 4960178416591981, 78856852121294934, 1253577822147874492, 19928141716104516026
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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..1..1..0..1..0. .0..0..0..0..0..1. .0..0..0..0..1..1. .0..0..1..0..0..0
..0..0..1..0..0..1. .0..0..1..1..1..0. .0..1..1..0..1..0. .0..0..0..1..1..1
..0..0..1..0..0..0. .0..1..0..0..0..1. .0..1..0..1..0..1. .0..0..0..0..1..1
..0..1..1..0..1..0. .1..0..1..1..1..0. .0..0..0..0..1..1. .0..1..1..1..0..1
..0..0..0..1..1..1. .0..1..1..0..0..1. .0..1..1..1..1..1. .0..0..1..1..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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