The number of closed routes of the chess knight, different in shape, consisting of 2 * n jumps on a checkered field without repeating cells of the route.

A356404

The number of closed routes of the chess knight, different in shape, consisting of 2 * n jumps on a checkered field without repeating cells of the route.

Terms

    a(0) =1a(1) =3a(2) =25a(3) =480a(4) =11997a(5) =350275a(6) =10780478

External references