A125914 Sprague-Grundy values for octal game .145.

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

Offset

1,5

Comments

The sequence is eventually periodic with period 9. The last exception is at n=2.

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..101.

Index entries for linear recurrences with constant coefficients, signature (0, 0, 0, 0, 0, 0, 0, 0, 1).

Mathematica

Join[{1, 0}, LinearRecurrence[{0, 0, 0, 0, 0, 0, 0, 0, 1}, {1, 1, 2, 2, 2, 2, 4, 1, 1}, 99]] (* Ray Chandler, Aug 26 2015 *)

Crossrefs

Sequence in context: A153667 A216322 A335383 * A086668 A092904 A231883

Adjacent sequences: A125911 A125912 A125913 * A125915 A125916 A125917

Keyword

nonn

Author

Richard Sabey, Jan 24 2007

Extensions

Extended by Ray Chandler, Aug 26 2015

Status

approved