Number of simple regular trivalent bipartite graphs with 2n nodes.

A008325

Number of simple regular trivalent bipartite graphs with 2n nodes.

Terms

    a(0) =1a(1) =1a(2) =2a(3) =6a(4) =14a(5) =41a(6) =157a(7) =725a(8) =4196a(9) =29816a(10) =246644a(11) =2297075a(12) =23503477a(13) =260265023a(14) =3090336300a(15) =39101547971a(16) =524782945991

External references