Number of labeled 5-colorable (i.e., chromatic number <= 5) graphs on n nodes.

A084281

Number of labeled 5-colorable (i.e., chromatic number <= 5) graphs on n nodes.

Terms

    a(0) =1a(1) =2a(2) =8a(3) =64a(4) =1024a(5) =32767a(6) =2096731a(7) =268232643a(8) =68572495926

External references