A068941 Maximum number of chess queens that can be placed on a 4-dimensional chessboard of order n so that no two attack each other.
1, 1, 6, 16, 38, 80, 145
Offset: 1
Links
- Alexis Langlois-Rémillard, Christoph Müßig, and Érika Róldan, Complexity of Chess Domination Problems, arXiv:2211.05651 [math.CO], 2022-2023.
- Eric Weisstein's World of Mathematics, Independence Number.
- Al Zimmermann, Attacking Queens Programming Contest
- Al Zimmermann, Attacking Queens Programming Contest Results
- Al Zimmermann, Attacking Queens Programming Contest Database [broken link?]
Extensions
a(5) from Alexis Langlois-Rémillard, Christoph Müßig and Érika Roldán added by Christoph Muessig, Nov 11 2022
a(6)-a(7) from Alexis Langlois-Rémillard, Christoph Müßig and Érika Roldán added by Christoph Muessig, Apr 02 2023