Number of ways of arranging 2n+1 nonattacking semi-queens on a (2n+1) X (2n+1) toroidal board.
A006717
Number of ways of arranging 2n+1 nonattacking semi-queens on a (2n+1) X (2n+1) toroidal board.
Terms
- a(0) =1a(1) =3a(2) =15a(3) =133a(4) =2025a(5) =37851a(6) =1030367a(7) =36362925a(8) =1606008513a(9) =87656896891
External references
- oeis: A006717