Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).
%I #3 Oct 12 2013 15:17:34
%S 1,2,1,2,3,4,5,4,1,3,2,8,2,5,4,7,6,7,2,8,2,3,7,6,7,4,5,2,1,2,1,8,4,5,
%T 4,10,8,1,2,1,13,11,4,5,4,8,3,2,1,2,5,4,7,6,7,10,8,9,2,7,6,7,4,5,2,8,
%U 2,3,13,4,5,4,3,8,1,2,1,16,11,15,14,4,8,1,2,1,2,3,4,16,4,1,3,8,9
%N Sprague-Grundy values for octal game .7137.
%C Octal games 4.007, 4.017, 4.207 and 4.217 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. 104.
%K nonn
%O 1,2
%A _Richard Sabey_, Jan 24 2007