A071464 Sprague-Grundy values for octal games .127 and .1271.

1, 0, 2, 2, 1, 0, 4, 4, 1, 2, 2, 0, 1, 4, 4, 6, 1, 7, 7, 0, 1, 2, 2, 6, 1, 4, 4, 8, 1, 2, 7, 8, 1, 0, 7, 2, 6, 8, 1, 4, 9, 8, 1, 2, 6, 0, 1, 4, 6, 2, 1, 8, 9, 0, 1, 6, 2, 2, 7, 0, 1, 8, 3, 2, 1, 4, 4, 8, 9, 2, 7, 8, 1, 0, 9, 2, 2, 6, 4, 4, 1, 8, 3, 2, 1, 0, 4

Offset

1,3

Comments

Sequence is eventually periodic with period 4. The last exception is at n=46577 [Gangolli and Plambeck]. - Eric M. Schmidt, Jan 22 2017

References

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

Links

Eric M. Schmidt, Table of n, a(n) for n = 1..10000

A. Gangolli and T. Plambeck, A Note on Periodicity in Some Octal Games, International Journal of Game Theory, Vol. 18 (1989), pp. 311-320.

Crossrefs

Sequence in context: A306708 A145337 A171941 * A071510 A110124 A116389

Adjacent sequences: A071461 A071462 A071463 * A071465 A071466 A071467

Keyword

nonn

Author

N. J. A. Sloane and Sue Pope, May 29 2002

Extensions

Edited and extended by Eric M. Schmidt, Jan 22 2017

Status

approved