Number of Eulerian circuits on the complete graph K_{2n+1}, divided by (n-1)!^(2n+1).

A007082

Number of Eulerian circuits on the complete graph K_{2n+1}, divided by (n-1)!^(2n+1).

Terms

    a(0) =2a(1) =264a(2) =1015440a(3) =90449251200

External references