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A071453 Sprague-Grundy values for octal game .117. +0
1
1, 1, 1, 0, 2, 2, 1, 3, 4, 0, 1, 1, 1, 3, 2, 2, 2, 3, 4, 0, 1, 5, 4, 3, 2, 2, 2, 3, 1, 0, 1, 0, 4, 3, 2, 2, 2, 0, 1, 0, 1, 0, 4, 3, 2, 5, 4, 0, 1, 0, 1, 0, 2, 3, 2, 3, 4, 0, 1, 0, 1, 3, 2, 3, 2, 3, 4, 0, 1, 0, 4, 3, 2, 3, 2, 3, 1, 0, 1, 0, 4, 3, 2, 3, 2, 0, 1, 0, 1, 0, 4, 3, 2, 3, 4, 0, 1, 0, 1, 0, 2, 3, 2, 3, 4 (list; graph; listen)
OFFSET

1,5

COMMENT

Octal games .051 and .053 have values a(n-1).

Sequence is eventually periodic with period 48. The only exceptions are n=2, 6, 7, 12, 16, 22, 26, 36, and 46.

REFERENCES

E. R. Berlekamp, J. H. Conway and R. K. Guy, Winning Ways, Academic Press, NY, 2 vols., 1982; see Chapter 4, p. 104.

LINKS

Achim Flammenkamp, Octal games

CROSSREFS

Sequence in context: A109380 A011020 A076019 this_sequence A080242 A035317 A103923

Adjacent sequences: A071450 A071451 A071452 this_sequence A071454 A071455 A071456

KEYWORD

nonn

AUTHOR

njas and Sue Pope (pope(AT)research.att.com), May 29 2002

EXTENSIONS

Edited and extended by Christian G. Bower (bowerc(AT)usa.net), Nov 11 2002

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.


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