Number of trivalent bipartite connected simple graphs with 2n nodes and girth at least 8.
A260813
Number of trivalent bipartite connected simple graphs with 2n nodes and girth at least 8.
Terms
- a(0) =1a(1) =0a(2) =0a(3) =0a(4) =0a(5) =0a(6) =0a(7) =0a(8) =0a(9) =0a(10) =0a(11) =0a(12) =0a(13) =0a(14) =0a(15) =1a(16) =0a(17) =1a(18) =3a(19) =10a(20) =101a(21) =2510a(22) =79605a(23) =2607595a(24) =81716416a(25) =2472710752
External references
- oeis: A260813