Total SuperQueen Solutions
for Rectangular Chessboards
|
Number of Columns: 18
|
|
|
Number of Rows
|
Total Solutions
|
|
18
|
8,924,976
|
|
19
|
403,804,670
|
|
20
|
9,304,225,028
|
|
21
|
144,291,598,168
|