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%I #10 Jan 13 2017 01:25:11
%S 1,2,3,4,1,5,3,2,1,5,4,2,6,8,1,2,3,7,4,5,8,2,9,5,4,7,6,8,1,4,6,2,7,4,
%T 11,2,3,8,5,4,3,8,2,1,11,8,2,9,5,1,2,13,8,4,5,3,2,1,5,14,7,2,8,4,14,2,
%U 8,4,10,11,8,7,5,4,11,7,8,16,4,15,3,2,4,1,14,8,9,4,14,16,17,8,19,4,20
%N Sprague-Grundy values for octal game .377.
%C Octal games .640-.643, .650-.653, .660-.663 and .670-.673 have values a(n-1).
%D E. R. Berlekamp, J. H. Conway and R. K. Guy, Winning Ways, Academic Press, NY, 2 vols., 1982; see Chapter 4, p. 102.
%H Eric M. Schmidt, <a href="/A071437/b071437.txt">Table of n, a(n) for n = 1..10000</a>
%H Achim Flammenkamp, <a href="http://www.uni-bielefeld.de/~achim/octal_sparse.html">Octal games</a>
%K nonn
%O 1,2
%A _N. J. A. Sloane_ and _Sue Pope_, May 29 2002
%E Edited and extended by _Christian G. Bower_, Oct 23 2002