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A071434
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Sprague-Grundy values for octal game .1377.
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3
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1, 1, 2, 2, 3, 3, 1, 1, 4, 4, 3, 3, 2, 2, 1, 1, 4, 4, 2, 2, 6, 6, 4, 4, 1, 1, 2, 2, 7, 7, 1, 1, 4, 4, 3, 3, 2, 2, 1, 1, 4, 4, 6, 6, 7, 7, 4, 4, 1, 1, 2, 2, 8, 8, 5, 5, 4, 4, 7, 7, 2, 2, 1, 1, 8, 8, 6, 6, 7, 7, 4, 4, 1, 1, 2, 2, 3, 3, 1, 1, 4, 4, 7, 7, 2, 2, 1, 1, 8, 8, 2, 2, 7, 7, 4, 4, 1, 1, 2, 2, 8, 8
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OFFSET
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1,3
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COMMENTS
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Octal games .074-.077 have values a(n-1). Octal games .440-.443 and .460-.463 have values a(n-2).
Sequence is eventually periodic with period 24. The last exception is at n=140.
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REFERENCES
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E. R. Berlekamp, J. H. Conway and R. K. Guy, Winning Ways, Academic Press, NY, 2 vols., 1982; see Chapter 4, p. 102.
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LINKS
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Eric M. Schmidt, Table of n, a(n) for n = 1..200
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, 1).
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FORMULA
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a(2n-1) = a(2n) = A002186(n).
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CROSSREFS
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Sequence in context: A071859 A135695 A105899 * A227314 A128924 A239957
Adjacent sequences: A071431 A071432 A071433 * A071435 A071436 A071437
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KEYWORD
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nonn
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AUTHOR
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N. J. A. Sloane and Sue Pope, May 29 2002
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EXTENSIONS
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Edited and extended by Christian G. Bower, Oct 22 2002
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STATUS
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approved
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