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A071451
Sprague-Grundy values for octal game .113377.
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
OFFSET
1,4
COMMENTS
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
Index entries for linear recurrences with constant coefficients, signature (0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1).
FORMULA
a(3n-2)=a(3n-1)=a(3n)=A002186(n).
CROSSREFS
Sequence in context: A322062 A368460 A350679 * A177868 A178701 A181611
KEYWORD
nonn
AUTHOR
N. J. A. Sloane and Sue Pope, May 29 2002
EXTENSIONS
Edited and extended by Christian G. Bower, Nov 11 2002
STATUS
approved