A182408 Number of ways to place k non-attacking knights on an n x n toroidal chessboard, summed over all k >= 0.
2, 7, 34, 743, 1546, 598078, 6027057, 10163241031, 242407820869
Offset: 1
Links
- V. Kotesovec, Non-attacking chess pieces, 6ed, 2013, p.310