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A181397
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Summed lengths of nonintersecting rook paths on a 6 X n board.
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6
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5, 256, 4882, 88608, 1692480, 32871240, 629907345, 11836974284, 218772951624, 3990894156672, 72039322124013, 1289057677580204, 22896767645452466, 404155803725865164, 7095412544059877973, 123985136981584276480, 2157631059961863479079, 37411816576772657794784
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OFFSET
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1,1
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COMMENTS
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Paths are self-avoiding from one corner to the diagonally opposite corner.
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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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EXTENSIONS
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STATUS
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approved
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