1,4
E. R. Berlekamp, J. H. Conway and R. K. Guy, Winning Ways, Academic Press, NY, 2 vols., 1982; see Chapter 4.
Sequence in context: A155706 A164975 A171830 * A125920 A176360 A185068
Adjacent sequences: A071503 A071504 A071505 * A071507 A071508 A071509
nonn
N. J. A. Sloane (njas(AT)research.att.com) and Sue Pope (pope(AT)research.att.com), May 29 2002