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A298831
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Number of nX5 0..1 arrays with every element equal to 1, 3, 4, 5 or 8 king-move adjacent elements, with upper left element zero.
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1
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0, 48, 10, 141, 1590, 3282, 27915, 246700, 1055145, 7129209, 56638725, 310179586, 2031847146, 14612093372, 88989021585, 580066345101, 3961760881902, 25211203481003, 164396604060820, 1096627513193338, 7101386707723193
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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..1..1. .0..0..1..1..1. .0..0..1..0..1. .0..0..1..1..0
..0..0..1..1..1. .0..0..1..1..1. .1..1..1..1..0. .1..1..1..1..0
..0..0..1..1..1. .0..0..1..1..1. .0..0..0..1..1. .0..0..0..1..1
..1..0..0..0..0. .0..0..1..1..1. .0..0..0..1..1. .0..0..0..1..0
..0..1..0..1..1. .0..0..1..1..1. .0..0..0..1..1. .0..0..0..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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