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A069423
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Number of n X 3 binary arrays with a path of adjacent 1's and no path of adjacent 0's from top row to bottom row.
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0
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1, 19, 147, 907, 5149, 28159, 151331, 806463, 4280141, 22670199, 119955523
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,2
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LINKS
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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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