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A006819
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Trails of length n on cubic lattice.
(Formerly M4204)
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0
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1, 6, 30, 150, 750, 3726, 18438, 90966, 447918, 2201622, 10809006, 52999446, 259668942, 1271054982, 6218232414, 30399142614
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,2
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REFERENCES
| A. J. Guttmann, Lattice trails II: numerical results, J. Phys. A 22 (1989), 575-588.
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
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CROSSREFS
| Sequence in context: A001412 A162937 A006818 * A163317 A163922 A164365
Adjacent sequences: A006816 A006817 A006818 * A006820 A006821 A006822
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KEYWORD
| nonn,walk
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com).
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