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A111944 Number of cycles of different lengths for vectors of length n under the Ducci map. +0
2
2, 1, 2, 3, 2, 1, 3, 3, 2, 4, 2, 3, 4, 1, 3, 5, 2, 4, 5, 3, 2, 5, 3, 3, 4, 4, 2, 7, 2, 1, 4, 5, 6, 7, 2, 3, 6, 5 (list; graph; listen)
OFFSET

3,1

REFERENCES

N. J. Calkin, J. G. Stevens and D. M. Thomas, A characterizaytion for the lengths of cycles of the n-number Ducci game, Fib. Q., 43 (No. 1, 2005), 53-59.

CROSSREFS

Cf. A038553.

Sequence in context: A005811 A008342 A002850 this_sequence A109814 A133088 A059982

Adjacent sequences: A111941 A111942 A111943 this_sequence A111945 A111946 A111947

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Nov 27 2005

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Last modified November 24 19:42 EST 2009. Contains 167435 sequences.


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