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A316445
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Number of nX5 0..1 arrays with every element unequal to 1, 2, 3, 5, 6 or 8 king-move adjacent elements, with upper left element zero.
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1
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3, 120, 712, 5256, 43568, 325839, 2520180, 19750414, 153125421, 1191762840, 9283634801, 72267704187, 562765930793, 4382910061762, 34133836239639, 265841655059179, 2070478139861857, 16125743650200990, 125594609626975988
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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..1..1. .0..0..1..1..0. .0..1..1..0..1. .0..0..1..1..0
..1..0..0..1..0. .1..0..1..0..0. .1..1..1..0..0. .1..1..0..1..1
..1..1..0..0..0. .1..1..1..1..1. .0..1..1..0..1. .1..1..1..0..1
..0..0..0..0..1. .0..0..1..1..1. .0..0..1..1..1. .1..0..0..0..1
..0..1..0..0..0. .0..1..1..0..1. .1..1..1..0..1. .0..1..1..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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