The number of unlabeled connected fairly 4-regular multigraphs of order n, loops allowed.

A361135

The number of unlabeled connected fairly 4-regular multigraphs of order n, loops allowed.

Terms

    a(0) =1a(1) =3a(2) =8a(3) =30a(4) =118a(5) =548a(6) =2790a(7) =16029a(8) =101353a(9) =706572a(10) =5375249a(11) =44402094a(12) =395734706a(13) =3786401086a(14) =38711834576a(15) =421217184135

External references