Number of ways to place 12n nonattacking kings on a vertical cylinder 24 X 2n.

A195661

Number of ways to place 12n nonattacking kings on a vertical cylinder 24 X 2n.

Terms

    a(0) =8192a(1) =1270246a(2) =44653028a(3) =720390254a(4) =7177627944a(5) =51526819510a(6) =291859775552

External references