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A003270 A nonrepetitive sequence.
(Formerly M0407)
1
1, 2, 3, 1, 3, 2, 3, 1, 2, 3, 2, 1, 3, 1, 2, 1, 3, 2, 3, 1, 2, 3, 2, 1, 2, 3, 1, 2, 1, 3, 2, 3, 1, 3, 2, 1, 3, 1, 2, 3, 2, 1, 2, 3, 1, 3, 2, 1, 3, 1, 2, 1, 3, 2, 3, 1, 2, 3, 2, 1, 2, 3, 1, 2, 1, 3, 2, 3, 1 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

REFERENCES

Dejean, F.; Sur un theoreme de Thue. J. Combinatorial Theory Ser. A 13 (1972), 90-99.

N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

A. M. Yaglom and I. M. Yaglom, Challenging Mathematical Problems with Elementary Solutions. Vols. 1-2, Holden-Day, San Francisco, 1964-1967, vol. 2, p. 204.

LINKS

Francoise Dejean, Sur un Theoreme de Thue, J. Combinatorial Theory, vol. 13 A, iss. 1 (1972) 90-99. [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Sep 02 2008]

CROSSREFS

Sequence in context: A007413 A072457 A063047 * A099054 A071282 A107796

Adjacent sequences:  A003267 A003268 A003269 * A003271 A003272 A003273

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified February 17 07:41 EST 2012. Contains 205998 sequences.