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A187727
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Number of (n+1)X8 binary arrays with no 2X2 subblock commuting with any of its horizontal and vertical 2X2 subblock neighbors
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1
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10558, 186672, 3588249, 76931991, 1628541369, 35118814718, 755272970945, 16272953514081, 350521453843471, 7551605957045594, 162681410006587121, 3504701107120896836, 75502389868040885049, 1626562602643478820132
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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 3X8
..1..1..0..1..1..0..0..0....0..1..1..1..1..1..1..1....1..1..0..1..0..0..1..1
..0..0..0..1..1..0..1..1....1..1..1..0..0..1..1..0....0..1..1..1..1..1..1..1
..0..1..1..0..1..1..0..1....0..0..1..1..1..0..0..0....1..0..1..0..0..1..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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