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A219077
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Hilltop maps: number of nX7 binary arrays indicating the locations of corresponding elements not exceeded by any horizontal, diagonal or antidiagonal neighbor in a random 0..1 nX7 array
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1
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57, 9367, 1023441, 113959413, 12998933707, 1473655240387, 167024618548071, 18939932662217929, 2147519964457580465, 243494396494378271955, 27608646901560676777421, 3130407281278669890215213
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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=3
..0..1..1..1..1..0..0....0..1..1..1..0..0..0....0..0..1..0..1..0..0
..0..1..0..0..0..1..0....0..1..1..1..0..1..1....0..1..1..0..0..1..1
..0..1..1..0..1..1..0....0..1..1..1..1..0..0....0..1..0..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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