MathDB

15

Part of 2020 LIMIT Category 1

Problems(1)

4*4 Chessboard non-attacking rook and bishop

Source: LIMIT 2020 Cat 1 Obj P15

5/2/2020
In a 4×44\times 4 chessboard, in how many ways can you place 33 rooks and one bishop such that none of these pieces threaten another piece?
Chessboardcountinglimit