Number of colorings of labeled graphs on n nodes using exactly 3 colors, divided by 48.

A006201

Number of colorings of labeled graphs on n nodes using exactly 3 colors, divided by 48.

Terms

    a(0) =0a(1) =0a(2) =1a(3) =24a(4) =640a(5) =24000a(6) =1367296a(7) =122056704a(8) =17282252800

External references