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: A153846 A072406 A120680 * A071495 A071515 A121998
Adjacent sequences: A071491 A071492 A071493 * A071495 A071496 A071497
nonn
N. J. A. Sloane (njas(AT)research.att.com) and Sue Pope (pope(AT)research.att.com), May 29 2002