Number of undirected labeled graphs on n nodes with exactly 4 cycle graphs as connected components.
A215764
Number of undirected labeled graphs on n nodes with exactly 4 cycle graphs as connected components.
Terms
- a(0) =1a(1) =10a(2) =65a(3) =420a(4) =3157a(5) =27342a(6) =264925a(7) =2831455a(8) =33077539a(9) =419262987a(10) =5730379473a(11) =84009491475
External references
- oeis: A215764