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A297759
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Number of nX5 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 2, 3 or 4 neighboring 1s.
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1
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1, 78, 734, 7081, 109228, 1456855, 18733087, 251641086, 3354939709, 44459037210, 591410913625, 7865974374583, 104544861995486, 1389898494780143, 18479036986992209, 245664832111845278, 3265995303275846454
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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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FORMULA
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Empirical recurrence of order 78 (see link above)
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EXAMPLE
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Some solutions for n=5
..1..1..1..1..0. .1..1..0..0..0. .0..0..1..1..1. .0..0..1..0..0
..1..1..0..0..1. .1..1..0..0..0. .0..1..0..1..1. .0..1..0..1..1
..1..0..0..1..0. .1..1..1..0..0. .0..0..1..1..0. .1..1..0..1..1
..1..1..1..1..1. .0..1..1..1..0. .0..1..1..0..0. .1..1..0..1..1
..0..1..1..0..0. .0..0..1..1..1. .1..1..0..0..0. .0..1..1..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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