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A298626
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Number of nX5 0..1 arrays with every element equal to 2, 3, 4, 5 or 7 king-move adjacent elements, with upper left element zero.
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1
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0, 17, 138, 1218, 20959, 285085, 4228781, 62707643, 929296248, 13834518554, 205782194111, 3063043646029, 45593869224429, 678703394314508, 10103392343141198, 150402691188845036, 2238961720631366965
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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..1..1..1..1. .0..0..1..1..0. .0..0..0..0..0. .0..0..1..1..0
..0..0..1..0..1. .0..0..1..0..0. .0..1..1..1..0. .0..1..1..0..0
..0..1..0..1..0. .1..1..0..0..0. .1..1..1..1..0. .0..0..1..1..1
..1..1..0..0..0. .1..1..1..1..0. .1..1..1..0..0. .0..1..0..1..1
..1..1..0..0..0. .1..1..1..0..0. .1..1..0..0..0. .0..0..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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