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A280158
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Number of nX5 0..1 arrays with no element unequal to a strict majority of its horizontal, vertical and antidiagonal neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards.
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1
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5, 40, 305, 1854, 10677, 58852, 318220, 1695030, 8941285, 46760710, 242970442, 1255597078, 6458360287, 33085037590, 168885713050, 859370947890, 4360537440625, 22069557056618, 111441207638795, 561547964534696
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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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FORMULA
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Empirical recurrence of order 70 (see link above)
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EXAMPLE
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Some solutions for n=4
..0..0..0..1..1. .0..0..1..1..1. .0..0..1..1..1. .0..0..1..1..1
..1..1..0..0..1. .0..0..1..1..1. .0..1..1..0..0. .0..0..1..1..1
..1..1..0..0..1. .1..0..0..0..1. .1..1..0..0..0. .0..0..1..0..0
..1..0..0..1..1. .0..0..0..0..1. .1..1..0..0..0. .0..0..0..0..0
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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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