Number of different chromatic polynomials of a simple graph with n nodes.

A229048

Number of different chromatic polynomials of a simple graph with n nodes.

Terms

    a(0) =1a(1) =2a(2) =4a(3) =9a(4) =23a(5) =73a(6) =304a(7) =1954a(8) =23075a(9) =607507

External references