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A231136
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Number of (n+1)X(6+1) black-square subarrays of 0..2 arrays with no element equal to a strict majority of its diagonal and antidiagonal neighbors, with values 0..2 introduced in row major order
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1
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120, 3688, 124644, 4066129, 137063228, 4509445997, 151928497692, 5001540387953, 168507419403536, 5547511896771810, 186902346005124780, 6153112021568081647, 207305819737090195456, 6824826623169051569950, 229936709033952423239528
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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 90 (see link above)
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EXAMPLE
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Some solutions for n=2
..x..0..x..1..x..1..x....x..0..x..1..x..1..x....x..0..x..1..x..0..x
..1..x..2..x..2..x..0....1..x..0..x..1..x..0....0..x..2..x..2..x..2
..x..2..x..0..x..1..x....x..2..x..2..x..2..x....x..1..x..1..x..0..x
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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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