2 ms·
The related OEIS sequence is https://oeis.org/A000170 https://oeis.org/A000170. It only gives exact values for n up to and including 27. The value for n = 27 wa
by fjfaase 5y ago
The related OEIS sequence is https://oeis.org/A000170 https://oeis.org/A000170. It only gives exact values for n up to and including 27. The value for n = 27 was calculated with the help of an FPGA. See: https://github.com/preusser/q27 https://github.com/preusser/q27
- dmch-1 5y agoThanks to this I know that there is exactly 1 way of positioning 0 queens on 0x0 chessboard without any two of them attacking each other.