Computing Vertex PI, Omega and Sadhana Polynomials of F12(2n+1) Fullerenes

The topological index of a graph G is a numeric quantity related to G which is invariant under automorphisms of G. The vertex PI polynomial is defined as PIv (G) = Σe=uv nu (e) + nv (e). Then Omega polynomial Ω(G,x) for counting qoc strips in G is defined as Ω(G,x) = Σcm(G,c)xc with m(G,c) being the number of strips of length c. In this paper, a new infinite class of fullerenes is constructed. The vertex PI, omega and Sadhana polynomials of this class of fullerenes are computed for the first time.