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A299525
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Number of nX5 0..1 arrays with every element equal to 1, 3, 4, 5, 6 or 8 king-move adjacent elements, with upper left element zero.
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1
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0, 48, 35, 537, 7116, 26670, 258389, 3071901, 19928263, 176455672, 1809072597, 14432387010, 126012759700, 1190918179320, 10214845847461, 89578878110512, 815753700411980, 7168609782631684, 63210709944186782, 566786592965748079
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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..0..1..1. .0..0..1..1..1. .0..1..1..0..0. .0..0..0..0..0
..0..0..0..1..1. .0..0..1..1..1. .0..1..1..1..1. .0..0..0..1..1
..0..0..0..0..0. .1..1..1..1..1. .0..0..0..1..1. .0..0..0..1..1
..1..0..1..0..0. .0..0..1..1..1. .0..0..0..0..1. .1..1..0..1..0
..0..1..1..1..1. .1..1..1..0..0. .0..0..0..1..0. .1..1..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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