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A240782
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Number of nX7 0..1 arrays with no element equal to fewer vertical neighbors than horizontal neighbors, with new values 0..1 introduced in row major order
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1
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1, 22, 472, 9581, 226532, 5228820, 121621207, 2827515311, 65742420202, 1528546759636, 35539596883248, 826313572773202, 19212201839186636, 446693206688680120, 10385838163314549709, 241475873187832394155
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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=4
..0..1..1..0..1..0..1....0..0..1..1..0..0..1....0..1..1..0..1..1..0
..1..1..1..0..1..0..1....0..0..1..1..0..0..0....1..1..1..0..1..1..0
..1..1..0..1..0..0..1....0..1..0..1..1..0..0....1..1..1..0..1..0..0
..1..1..0..1..0..0..1....0..1..0..1..1..0..1....0..1..1..0..1..0..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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