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A039648
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Number of n-step self-avoiding paths on the first octant of a 3-dimensional cubic lattice, starting at the origin.
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13
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1, 3, 9, 33, 123, 489, 1947, 7977, 32817, 137253, 576993, 2452071, 10468245, 45032733, 194475321, 844608567, 3680153043, 16105438515, 70677344403, 311242931097, 1373860647453, 6081635195553
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OFFSET
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0,2
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LINKS
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CROSSREFS
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KEYWORD
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nonn,walk,more
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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