Number of ways to place 9 nonattacking wazirs on an n X n toroidal board.
A201547
Number of ways to place 9 nonattacking wazirs on an n X n toroidal board.
Terms
- a(0) =0a(1) =0a(2) =0a(3) =0a(4) =250a(5) =480916a(6) =54916456a(7) =1962132800a(8) =34690541994a(9) =385983794500
External references
- oeis: A201547