Number of nonequivalent ways to place n^2 nonattacking kings on a 2n X 2n chessboard under all symmetry operations of the square.
A319096
Number of nonequivalent ways to place n^2 nonattacking kings on a 2n X 2n chessboard under all symmetry operations of the square.
Terms
- a(0) =1a(1) =14a(2) =459a(3) =35312a(4) =4072108a(5) =638653285a(6) =128441726634
External references
- oeis: A319096