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A281718
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Number of 4Xn 0..1 arrays with no element unequal to a strict majority of its horizontal, diagonal and antidiagonal neighbors and with new values introduced in order 0 sequentially upwards.
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1
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8, 6, 14, 97, 294, 1410, 5781, 23798, 103034, 429701, 1822286, 7734672, 32650303, 138610834, 587182558, 2488856940, 10558553240, 44771374413, 189944049261, 805892553288, 3419413103710, 14511303192013, 61585052285760
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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 72 (see link above)
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EXAMPLE
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Some solutions for n=4
..0..1..0..1. .0..1..1..1. .0..0..0..1. .0..1..0..0. .0..0..0..0
..1..0..1..0. .1..0..0..0. .0..0..1..0. .1..0..1..0. .0..0..1..1
..0..1..0..1. .1..1..0..0. .0..1..0..1. .0..1..0..1. .1..1..1..1
..1..0..1..1. .1..1..1..0. .1..0..1..1. .1..0..1..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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