1702998

Appears in sequences

• Number of rooted fullerenes with n faces, where "rooted" means that one triple (v,e,f) is distinguished, where v is a vertex, e is an edge on that vertex and f is a face on that edge.at n=23A203977
• a(n) = n*(n + 7)*(n + 14)*(n + 21)*(n + 28)/120.at n=33A264449