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A071451 Sprague-Grundy values for octal game .113377. +0
1
1, 1, 1, 2, 2, 2, 3, 3, 3, 1, 1, 1, 4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 4, 4, 4, 2, 2, 2, 6, 6, 6, 4, 4, 4, 1, 1, 1, 2, 2, 2, 7, 7, 7, 1, 1, 1, 4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 4, 4, 4, 6, 6, 6, 7, 7, 7, 4, 4, 4, 1, 1, 1, 2, 2, 2, 8, 8, 8, 5, 5, 5, 4, 4, 4, 7, 7, 7, 2, 2, 2, 1, 1, 1, 8, 8, 8, 6, 6, 6, 7, 7, 7 (list; graph; listen)
OFFSET

1,4

COMMENT

Octal game .01377 has values a(n-1). Octal game .0077 has values a(n-2). Octal game .044 and .046 have values a(n-3).

Sequence is eventually periodic with period 36. The last exception is at n=210.

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

FORMULA

a(3n-2)=a(3n-1)=a(3n)=A002186(n).

CROSSREFS

Sequence in context: A128219 A116505 A110534 this_sequence A117501 A064740 A080967

Adjacent sequences: A071448 A071449 A071450 this_sequence A071452 A071453 A071454

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 September 8 13:07 EDT 2008. Contains 143486 sequences.


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