Number of ways to place 11n nonattacking kings on a 22 X 2n cylindrical chessboard.

A195655

Number of ways to place 11n nonattacking kings on a 22 X 2n cylindrical chessboard.

Terms

    a(0) =24576a(1) =106500a(2) =565512a(3) =3392964a(4) =22327496a(5) =158877948a(6) =1212120160a(7) =9849731140a(8) =84719304384a(9) =766319864440

External references