Abstract
Using a bijective proof, we show the number of ways to arrange a maximum number of nonattacking pawns on a 2m × 2m chessboard is (2m m)2, and more generally, the number of ways to arrange a maximum number of nonattacking pawns on a 2n × 2m chessboard is (m+n n)2.
Original language | English |
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Article number | P3.21 |
Journal | Electronic Journal of Combinatorics |
Volume | 26 |
Issue number | 3 |
DOIs | |
State | Published - 2019 |
Scopus Subject Areas
- Theoretical Computer Science
- Geometry and Topology
- Discrete Mathematics and Combinatorics
- Computational Theory and Mathematics
- Applied Mathematics