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A003322
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Necklace permutations.
(Formerly M1282)
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0
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1, 1, 1, 2, 4, 14, 57, 347, 2375, 20752, 200805, 2293192, 28097136, 381963696, 5651257984, 87997162749, 1478237810536, 26259254617337, 491527066667949, 9640606422165480
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,4
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REFERENCES
| D. E. Knuth, Computer science and its relation to mathematics, Amer. Math. Monthly, 81 (1974), 323-343.
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
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LINKS
| Index entries for sequences related to necklaces
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CROSSREFS
| Sequence in context: A030885 A006384 A204198 * A170939 A030952 A030861
Adjacent sequences: A003319 A003320 A003321 * A003323 A003324 A003325
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KEYWORD
| nonn,nice
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com).
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EXTENSIONS
| Corrected and extended by D. E. Knuth, Nov 15, 1995.
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