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: A072193 A097966 A177993 * A029271 A035459 A048232
Adjacent sequences: A071500 A071501 A071502 * A071504 A071505 A071506
nonn
N. J. A. Sloane (njas(AT)research.att.com) and Sue Pope (pope(AT)research.att.com), May 29 2002