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A297718
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Number of nX6 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 1, 2 or 4 neighboring 1s.
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1
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21, 865, 14462, 336653, 8103241, 183324631, 4238895126, 98184350818, 2265008802005, 52325664406022, 1208931244861130, 27923747107250179, 645039373054891828, 14900511436264593319, 344198253865046283579
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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..0..0..1..0..0. .1..1..0..0..1..1. .0..0..1..0..1..0. .0..1..0..0..0..1
..1..0..1..0..1..1. .0..0..0..1..0..0. .0..1..1..0..0..1. .1..0..0..1..1..1
..1..1..1..0..0..0. .1..1..0..0..0..0. .1..0..1..0..0..0. .0..0..0..0..0..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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