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A218814
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Hilltop maps: number of 5Xn binary arrays indicating the locations of corresponding elements not exceeded by any horizontal or antidiagonal neighbor in a random 0..3 5Xn array
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1
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1, 895, 30719, 1015887, 32496361, 1039681033, 33267198605, 1064504791361, 34063123433881, 1089988059800483, 34878608200880007, 1116083095298367751, 35713623091879803585, 1142802788086214384757, 36568628416225846226213
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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
..0..1..1....0..0..1....0..0..1....1..1..0....1..0..1....0..0..1....0..0..0
..0..1..0....1..1..0....1..0..0....1..0..0....0..1..1....1..1..1....0..1..1
..1..0..0....1..1..1....1..0..1....0..1..0....1..1..0....1..1..1....1..1..1
..1..1..1....0..1..1....0..0..1....1..0..1....1..1..1....1..0..1....1..0..0
..1..1..0....0..0..0....0..1..1....1..0..1....1..1..0....0..0..1....1..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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