Number of non-attacking placements of 7 rooks on an n X n board.
A179062
Number of non-attacking placements of 7 rooks on an n X n board.
Terms
- a(0) =0a(1) =0a(2) =0a(3) =0a(4) =0a(5) =0a(6) =5040a(7) =322560a(8) =6531840a(9) =72576000a(10) =548856000a(11) =3161410560a(12) =14841066240a(13) =59364264960a(14) =208702494000a(15) =659602944000
External references
- oeis: A179062