Number of closed trails starting and ending at a fixed vertex in the complete undirected graph on n labeled vertices.

A357855

Number of closed trails starting and ending at a fixed vertex in the complete undirected graph on n labeled vertices.

Terms

    a(0) =1a(1) =1a(2) =3a(3) =13a(4) =829a(5) =78441a(6) =622316671

External references