Number of labeled connected 4-chromatic (i.e., chromatic number = 4) graphs on n nodes.
A084274
Number of labeled connected 4-chromatic (i.e., chromatic number = 4) graphs on n nodes.
Terms
- a(0) =0a(1) =0a(2) =0a(3) =1a(4) =60a(5) =4652
External references
- oeis: A084274