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A318088
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Number of nX5 0..1 arrays with every element unequal to 0, 2, 3 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
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1
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1, 5, 7, 159, 493, 1945, 8525, 37863, 161424, 688404, 2927486, 12630400, 54054127, 233057675, 997644574, 4291179236, 18396315644, 79062911556, 339244535826, 1457115193095, 6254370569019, 26856741255383, 115296498702507
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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=5
..0..1..1..0..1. .0..1..1..0..1. .0..1..0..0..0. .0..1..0..0..0
..1..0..0..0..1. .1..0..0..0..1. .1..1..0..0..0. .1..1..1..1..1
..0..0..1..0..1. .1..1..0..0..0. .0..1..0..0..0. .0..0..1..0..0
..1..1..0..0..1. .0..0..1..1..0. .0..0..1..1..1. .1..1..0..0..1
..1..1..0..1..0. .1..0..0..0..1. .1..0..0..1..0. .1..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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