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A222357
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Number of nX5 0..1 arrays with no more than floor(nX5/2) elements unequal to at least one king-move neighbor, with new values introduced in row major 0..1 order
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1
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5, 9, 27, 268, 1054, 7870, 32456, 324520, 1448518, 13349337, 61168861, 582447092, 2667675278, 25167816397, 116215506504, 1101742440518, 5106861518886, 48395601269097, 225029816638813, 2136499931073357, 9958380357597902
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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=4
..0..1..1..1..1....0..0..0..0..0....0..0..0..0..0....0..0..0..0..0
..0..0..1..1..1....0..0..0..0..0....0..0..0..0..0....1..0..0..0..0
..0..0..1..1..1....0..0..0..0..1....0..0..0..1..1....0..0..0..0..0
..0..0..1..1..1....0..0..0..1..0....0..0..1..1..1....1..1..0..0..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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