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: A189117 A020921 A154720 * A004572 A082839 A130717
Adjacent sequences: A071498 A071499 A071500 * A071502 A071503 A071504
nonn
N. J. A. Sloane (njas(AT)research.att.com) and Sue Pope (pope(AT)research.att.com), May 29 2002