Number of inequivalent ways of placing n nonattacking rooks on n X n board up to rotations and reflections of the board.
A000903
Number of inequivalent ways of placing n nonattacking rooks on n X n board up to rotations and reflections of the board.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =7a(4) =23a(5) =115a(6) =694a(7) =5282a(8) =46066a(9) =456454a(10) =4999004a(11) =59916028a(12) =778525516a(13) =10897964660a(14) =163461964024
External references
- oeis: A000903