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A279493
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Number of nX7 0..1 arrays with no element equal to a strict majority of its horizontal, vertical and antidiagonal neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards.
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1
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15, 801, 46095, 2241332, 98128162, 4065077852, 162346342126, 6294925767121, 238434528280477, 8863487201716422, 324449796535829989, 11723580027925010371, 418958469982919690628, 14829876008361939503733
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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..0..0..0..0. .0..1..0..1..1..1..0. .0..0..0..0..1..0..1
..1..0..0..1..1..0..0. .0..1..1..0..1..0..0. .1..1..1..1..0..0..1
..0..1..1..0..1..1..1. .1..0..1..1..0..1..1. .0..0..1..0..0..1..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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