A290711 Number of irredundant sets in the n X n queen graph.

2, 5, 38, 447, 7103, 155787, 4230944, 151369830

Offset: 1

Author

Eric W. Weisstein, Aug 09 2017

Keywords

• nonn
• more

Comments

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

Links

• Matthew D. Kearse and Peter B. Gibbons, Computational Methods and New Results for Chessboard Problems, CDMTCS Research Reports CDMTCS-133 (2000).
• Eric Weisstein's World of Mathematics, Irredundant Set
• Eric Weisstein's World of Mathematics, Queen Graph

Crossrefs

Cf. A075692, A286883, A287070, A291103.

Extensions

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