Number of ways to halve an n X n chessboard.
A003155
Number of ways to halve an n X n chessboard.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =6a(4) =15a(5) =255a(6) =1897a(7) =92263a(8) =1972653a(9) =281035054a(10) =17635484470
External references
- oeis: A003155