1,4
Matthew D. Kearse and Peter B. Gibbons, "Computational Methods and New Results for Chessboard Problems", Australasian Journal of Combinatorics 23 (2001), 253-284.
Sequence in context: A065734 A200600 A048761 * A117405 A013601 A190717
Adjacent sequences: A075558 A075559 A075560 * A075562 A075563 A075564
nonn
N. J. A. Sloane (njas(AT)research.att.com), Oct 16 2002