Number of unlabeled strength 3 Eulerian graphs with n nodes, 2 of odd degree.

A007129

Number of unlabeled strength 3 Eulerian graphs with n nodes, 2 of odd degree.

Terms

    a(0) =0a(1) =2a(2) =12a(3) =176a(4) =6416a(5) =745920a(6) =293075904a(7) =394099077120

External references