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: A076608 A068461 A130456 * A125939 A125942 A061986
Adjacent sequences: A071494 A071495 A071496 * A071498 A071499 A071500
nonn
N. J. A. Sloane (njas(AT)research.att.com) and Sue Pope (pope(AT)research.att.com), May 29 2002