A071504 - OEIS

%I #9 Feb 17 2017 03:05:33

%S 1,2,0,3,1,2,4,3,5,2,4,3,5,1,4,3,2,6,4,5,8,6,7,10,8,2,7,3,6,2,7,4,6,5,

%T 3,9,2,5,3,4,2,6,14,4,5,1,8,9,15,1,13,9,12,5,13,4,16,2,9,3,8,2,4,13,5,

%U 2,3,7,5,1,3,8,16,6,13,14,16,15,7,14,6,2

%N Sprague-Grundy values for octal games .376 and .3761.

%C Sequence is eventually periodic with period 4. The last exception is at 2268247 [Gangolli and Plambeck]. - _Eric M. Schmidt_, Feb 16 2017

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

%H Eric M. Schmidt, <a href="/A071504/b071504.txt">Table of n, a(n) for n = 1..10000</a>

%H A. Gangolli and T. Plambeck, <a href="https://doi.org/10.1007/BF01254294">A Note on Periodicity in Some Octal Games</a>, International Journal of Game Theory, Vol. 18 (1989), pp. 311-320.

%K nonn

%O 1,2

%A _N. J. A. Sloane_ and _Sue Pope_, May 29 2002

%E Edited and extended by _Eric M. Schmidt_, Feb 16 2017