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A299579
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Number of nX6 0..1 arrays with every element equal to 0, 3, 4, 5, 7 or 8 king-move adjacent elements, with upper left element zero.
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1
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1, 9, 63, 126, 616, 2597, 10646, 56122, 291690, 1619418, 9531569, 56433590, 342408708, 2091962592, 12821206665, 78997049530, 487227596183, 3008177670538, 18591222770287, 114925741256105, 710646665777007, 4395164880188948
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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..1..0..0..0. .0..0..1..0..0..1. .0..0..1..1..1..0. .0..0..0..0..1..1
..0..0..0..0..0..0. .0..0..0..0..0..0. .0..0..1..1..1..1. .0..0..0..0..1..1
..1..0..1..1..1..1. .0..0..0..0..0..0. .1..0..1..1..1..1. .1..1..1..1..1..0
..0..0..1..1..1..1. .0..0..0..0..0..0. .0..0..0..0..0..0. .1..1..1..0..1..1
..0..0..1..1..1..0. .0..0..0..0..0..0. .0..0..1..0..0..0. .1..1..1..1..1..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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