

A290711


Number of irredundant sets in the n X n queen graph.


2




OFFSET

1,1


COMMENTS

The maximum size of an irredundant set in the n X n queen graph is A075692(n).  Andrew Howroyd, Aug 09 2017


LINKS

Table of n, a(n) for n=1..8.
Matthew D. Kearse and Peter B. Gibbons, Computational Methods and New Results for Chessboard Problems, CDMTCS Research Reports CDMTCS133 (2000).
Eric Weisstein's World of Mathematics, Irredundant Set
Eric Weisstein's World of Mathematics, Queen Graph


CROSSREFS

Cf. A075692, A286883, A287070, A291103.
Sequence in context: A051501 A221681 A347070 * A228837 A206155 A135378
Adjacent sequences: A290708 A290709 A290710 * A290712 A290713 A290714


KEYWORD

nonn,more


AUTHOR

Eric W. Weisstein, Aug 09 2017


EXTENSIONS

a(5)a(8) from Andrew Howroyd, Aug 19 2017


STATUS

approved



