Let X_{m,n}(q) be the chromatic polynomial of the complete bipartite graph K_{m,n}. Then a(n) is the negative of the coefficient of the linear term of X_{n,n}(q).
A092552
Let X_{m,n}(q) be the chromatic polynomial of the complete bipartite graph K_{m,n}. Then a(n) is the negative of the coefficient of the linear term of X_{n,n}(q).
Terms
- a(0) =0a(1) =1a(2) =3a(3) =31a(4) =675a(5) =25231a(6) =1441923a(7) =116914351a(8) =12764590275
External references
- oeis: A092552