1,2
E. R. Berlekamp, J. H. Conway and R. K. Guy, Winning Ways, Academic Press, NY, 2 vols., 1982; see Chapter 4.
Sequence in context: A010874 A125926 A125923 * A060511 A082853 A190886
Adjacent sequences: A071510 A071511 A071512 * A071514 A071515 A071516
nonn
N. J. A. Sloane (njas(AT)research.att.com) and Sue Pope (pope(AT)research.att.com), May 29 2002