1,3

Matthew D. Kearse and Peter B. Gibbons, "Computational Methods and New Results for Chessboard Problems", Australasian Journal of Combinatorics 23 (2001), 253-284.

Matthew D. Kearse and Peter B. Gibbons, A new lower bound on upper irredundance in the queens' graph, Discrete Math., 256 (2002), 225-242.

Cf. A075709.

Adjacent sequences: A075689 A075690 A075691 this_sequence A075693 A075694 A075695

Sequence in context: A005152 A060831 A073727 this_sequence A112235 A027921 A047893

nonn

Peter Gibbons (peter-g(AT)cs.auckland.ac.nz), Oct 13 2002