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A297651
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Number of nX5 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 1, 2 or 3 neighboring 1s.
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1
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12, 494, 6838, 131044, 2525244, 46187510, 864944851, 16149058068, 300870617401, 5613564284292, 104698838837111, 1952650753998364, 36420081863348278, 679272850629109385, 12669181880403565080, 236294959020596014510
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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 60 (see link above)
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EXAMPLE
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Some solutions for n=4
..0..1..0..0..0. .0..0..1..1..0. .0..1..1..0..0. .1..0..1..0..0
..1..0..1..0..0. .1..1..0..1..0. .0..0..0..1..0. .1..1..0..1..0
..1..0..0..1..1. .1..1..0..0..0. .0..1..1..0..1. .0..1..0..1..0
..0..1..0..1..1. .0..0..1..0..0. .0..0..0..1..1. .0..0..1..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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