Number of labeled connected 3-chromatic (i.e., chromatic number = 3) graphs on n nodes.
A084273
Number of labeled connected 3-chromatic (i.e., chromatic number = 3) graphs on n nodes.
Terms
- a(0) =0a(1) =0a(2) =1a(3) =18a(4) =472a(5) =18855
External references
- oeis: A084273