Number of total cyclic orders Z on {1, ..., n+2} such that (i, i+1, i+2) in Z for 1 <= i <= n, and (n+1,n+2,1) in Z.

A295263

Number of total cyclic orders Z on {1, ..., n+2} such that (i, i+1, i+2) in Z for 1 <= i <= n, and (n+1,n+2,1) in Z.

Terms

    a(0) =1a(1) =1a(2) =3a(3) =11a(4) =38a(5) =169a(6) =899a(7) =5047a(8) =31914a(9) =226205

External references