A125913 Sprague-Grundy values for octal game .144.

1, 0, 0, 1, 2, 2, 2, 2, 4, 4, 1, 1, 1, 1, 2, 2, 2, 2, 4, 4, 1, 1, 1, 1, 2, 2, 2, 2, 4, 4, 1, 1, 1, 1, 2, 2, 2, 2, 4, 4, 1, 1, 1, 1, 2, 2, 2, 2, 4, 4, 1, 1, 1, 1, 2, 2, 2, 2, 4, 4, 1, 1, 1, 1, 2, 2, 2, 2, 4, 4, 1, 1, 1, 1, 2, 2, 2, 2, 4, 4, 1, 1, 1, 1, 2, 2, 2, 2, 4, 4, 1, 1, 1, 1, 2, 2, 2, 2, 4, 4, 1, 1, 1

Offset

1,5

Comments

The sequence is eventually periodic with period 10. The last exception is at n=3.

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

Table of n, a(n) for n=1..103.

Index entries for linear recurrences with constant coefficients, signature (1, -1, 1, -1, 1, -1, 1, -1, 1).

Mathematica

Join[{1, 0, 0}, LinearRecurrence[{1, -1, 1, -1, 1, -1, 1, -1, 1}, {1, 2, 2, 2, 2, 4, 4, 1, 1}, 100]] (* Ray Chandler, Aug 26 2015 *)

Crossrefs

Sequence in context: A303637 A155904 A241514 * A122386 A051464 A375485

Adjacent sequences: A125910 A125911 A125912 * A125914 A125915 A125916

Keyword

nonn

Author

Richard Sabey, Jan 24 2007

Extensions

Extended by Ray Chandler, Aug 26 2015

Status

approved