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Search: id:A002529
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| A002529 |
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Number of permutations according to distance.
(Formerly M1620 N0633)
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+0
67
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| 0, 0, 2, 6, 18, 46, 146, 460, 1436, 4352, 13252, 40532
(list; graph; listen)
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OFFSET
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0,3
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REFERENCES
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N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).
R. Lagrange, Quelques re'sultats dans la me'trique des permutations, Annales Scientifiques de l'\'{E}cole Normale Sup\'{e}rieure, Paris, 79 (1962), 199-241.
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LINKS
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R. Lagrange, Quelques re'sultats dans la me'trique des permutations, Annales Scientifiques de l'\'{E}cole Normale Sup\'{e}rieure, Paris, 79 (1962), 199-241.
Torleiv Klove, Spheres of Permutations under the Infinity Norm - Permutations with limited displacement. Reports in Informatics, Department of Informatics, University of Bergen, Norway, no. 376, November 2008.
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CROSSREFS
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Sequence in context: A054136 A140960 A072827 this_sequence A018027 A059413 A062026
Adjacent sequences: A002526 A002527 A002528 this_sequence A002530 A002531 A002532
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KEYWORD
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nonn
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com).
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