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A299688
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Number of nX7 0..1 arrays with every element equal to 0, 1, 3, 4, 5, 6 or 7 king-move adjacent elements, with upper left element zero.
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1
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21, 348, 3226, 159324, 3247879, 120453362, 4582634341, 154482346317, 5662974500151, 210384261219346, 7559261180323415, 276878327636310469, 10159747543598303848, 370022548604712000777, 13533405466101387449313
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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..1. .0..0..0..0..0..0..0. .0..0..1..0..1..1..0
..0..0..1..1..0..0..1. .0..0..1..1..0..1..1. .0..0..0..1..1..1..1
..0..0..1..1..0..0..0. .0..0..1..1..0..1..1. .0..0..1..0..0..1..1
..0..0..1..1..1..0..1. .0..0..1..0..0..1..0. .0..0..0..0..0..0..1
..0..0..1..1..1..1..0. .0..0..1..0..0..1..0. .0..0..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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