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A300970
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Number of nX5 0..1 arrays with every element equal to 1, 2, 3, 4 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
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1
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3, 129, 2956, 63565, 1396701, 30679527, 673550354, 14787165263, 324641851765, 7127272856567, 156473999523206, 3435270952316792, 75418833706815251, 1655764729214342795, 36351090355926756961, 798061310736461485021
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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. .0..0..0..0..0
..0..1..0..1..0. .0..0..1..1..0. .0..0..1..1..0. .1..0..1..1..1
..1..0..1..0..0. .1..0..0..1..0. .0..1..1..1..1. .1..1..0..1..1
..0..1..0..1..1. .1..1..0..1..0. .1..0..0..1..0. .0..1..0..0..1
..1..0..1..1..1. .0..0..1..1..0. .1..0..0..1..0. .0..0..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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