OFFSET
1,2
COMMENTS
Sequence is eventually periodic with period 1180. The last exception is at n=10061915 [Flammenkamp]. - Eric M. Schmidt, Feb 13 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
Achim Flammenkamp, Sprague-Grundy Values of Octal-Games
CROSSREFS
KEYWORD
nonn
AUTHOR
N. J. A. Sloane and Sue Pope, May 29 2002
EXTENSIONS
Edited and extended by Eric M. Schmidt, Feb 13 2017
STATUS
approved