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A125917
Sprague-Grundy values for octal game .153.
0
1, 1, 1, 2, 2, 2, 1, 1, 0, 2, 2, 2, 4, 4, 0, 1, 1, 2, 2, 2, 1, 1, 1, 2, 2, 2, 4, 4, 1, 1, 1, 2, 2, 2, 1, 1, 1, 2, 2, 2, 4, 4, 1, 1, 1, 2, 2, 2, 1, 1, 1, 2, 2, 2, 4, 4, 1, 1, 1, 2, 2, 2, 1, 1, 1, 2, 2, 2, 4, 4, 1, 1, 1, 2, 2, 2, 1, 1, 1, 2, 2, 2, 4, 4, 1, 1, 1, 2, 2, 2, 1, 1, 1, 2, 2, 2, 4, 4, 1
OFFSET
1,4
COMMENTS
The sequence is eventually periodic with period 14. The last exception is at n=15.
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
MATHEMATICA
Join[{1, 1, 1, 2, 2, 2, 1, 1, 0, 2, 2, 2, 4, 4, 0}, LinearRecurrence[{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1}, {1, 1, 2, 2, 2, 1, 1, 1, 2, 2, 2, 4, 4, 1}, 84]] (* Ray Chandler, Aug 27 2015 *)
CROSSREFS
Sequence in context: A288160 A275332 A029442 * A071468 A274886 A325955
KEYWORD
nonn
AUTHOR
Richard Sabey, Jan 24 2007
EXTENSIONS
Extended by Ray Chandler, Aug 27 2015
STATUS
approved