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A003322 Necklace permutations.
(Formerly M1282)
+0
1
1, 1, 1, 2, 4, 14, 57, 347, 2375, 20752, 200805, 2293192, 28097136, 381963696, 5651257984, 87997162749, 1478237810536, 26259254617337, 491527066667949, 9640606422165480 (list; graph; listen)
OFFSET

1,4

REFERENCES

D. E. Knuth, Computer science and its relation to mathematics, Amer. Math. Monthly, 81 (1974), 323-343.

LINKS

Index entries for sequences related to necklaces

CROSSREFS

Adjacent sequences: A003319 A003320 A003321 this_sequence A003323 A003324 A003325

Sequence in context: A030958 A030885 A006384 this_sequence A030952 A030861 A122972

KEYWORD

nonn,nice

AUTHOR

njas

EXTENSIONS

Corrected and extended by D. E. Knuth, Nov 15, 1995.

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Last modified October 7 14:39 EDT 2008. Contains 144666 sequences.


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