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A302951
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Number of nX6 0..1 arrays with every element equal to 1, 2, 3, 4 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
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1
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5, 601, 26167, 1248691, 58679318, 2766909379, 130376252119, 6144174797769, 289545909430332, 13644990905908379, 643026310546264490, 30302906917975958719, 1428038216826276687258, 67296948235600838750918
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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..1. .0..0..0..1..0..0. .0..0..0..1..0..0. .0..0..0..1..1..0
..0..0..1..1..1..1. .0..0..0..1..1..1. .0..0..0..0..1..0. .0..0..1..0..0..0
..0..0..1..0..1..1. .0..0..1..0..1..1. .0..0..1..1..1..1. .0..0..0..1..1..0
..0..0..0..1..1..1. .0..0..1..1..1..1. .0..0..1..1..1..0. .0..0..0..1..0..1
..0..0..1..1..0..0. .0..0..0..0..0..1. .0..0..1..1..0..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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