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A219005
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Unmatched value maps: number of 4Xn binary arrays indicating the locations of corresponding elements not equal to any horizontal, diagonal or antidiagonal neighbor in a random 0..2 4Xn array
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0
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1, 126, 2374, 31857, 462668, 7027671, 105807897, 1583929029, 23732266546, 355842741628, 5335066750849
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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=3
..1..1..1....1..0..0....0..1..0....1..1..1....1..0..1....1..0..0....0..0..1
..0..0..1....1..0..1....0..0..0....1..0..0....0..0..0....0..0..1....1..0..0
..1..0..0....1..1..1....1..0..1....1..1..1....1..0..0....1..0..0....0..0..0
..1..0..1....0..0..1....1..0..0....0..0..0....1..1..0....1..0..1....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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