Number of labeled 2-chromatic (i.e., chromatic number = 2) graphs on n nodes.

A084270

Number of labeled 2-chromatic (i.e., chromatic number = 2) graphs on n nodes.

Terms

    a(0) =0a(1) =1a(2) =6a(3) =40a(4) =375a(5) =5176a(6) =103236a(7) =2922445a(8) =116011230a(9) =6433447396a(10) =498234407451

External references