Consider the family of multigraphs enriched by the species of odd sets. Sequence gives number of those multigraphs with n labeled edges.

A098636

Consider the family of multigraphs enriched by the species of odd sets. Sequence gives number of those multigraphs with n labeled edges.

Terms

    a(0) =1a(1) =1a(2) =2a(3) =10a(4) =78a(5) =885a(6) =13487a(7) =261848a(8) =6255453a(9) =179297990a(10) =6046396379a(11) =236175330388

External references