Number of solutions to the rook problem on a 2n X 2n board having a certain symmetry group (see Robinson for details).
A000901
Number of solutions to the rook problem on a 2n X 2n board having a certain symmetry group (see Robinson for details).
Terms
- a(0) =0a(1) =0a(2) =7a(3) =74a(4) =882a(5) =11144a(6) =159652a(7) =2571960a(8) =46406392a(9) =928734944a(10) =20436096048a(11) =490489794464
External references
- oeis: A000901