Number of non-attacking placements of 9 rooks on an n X n board.
A179064
Number of non-attacking placements of 9 rooks on an n X n board.
Terms
- a(0) =0a(1) =0a(2) =0a(3) =0a(4) =0a(5) =0a(6) =0a(7) =0a(8) =362880a(9) =36288000a(10) =1097712000a(11) =17563392000a(12) =185513328000
External references
- oeis: A179064