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A183473
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Number of nX8 binary arrays with every element equal to either the sum mod 2 of its vertical neighbors or the sum mod 2 of its horizontal neighbors
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1
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19, 872, 13229, 326010, 8501730, 198519483, 4899909637, 121507526212, 2979497367017, 73489774062359, 1813440377196216, 44697344643058766, 1102366528295137327, 27188753392160760574, 670504459729053742994
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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 4X8
..0..0..0..0..0..1..1..0....0..0..0..0..0..0..0..0....0..0..0..1..0..1..1..0
..0..0..1..1..0..1..0..0....0..1..1..1..0..1..0..1....1..1..0..1..1..0..1..0
..0..0..1..1..0..0..1..0....0..1..1..0..1..1..1..1....0..0..1..1..1..0..0..0
..0..0..0..0..0..1..1..0....0..1..1..0..1..0..1..1....0..1..1..0..1..0..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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