Number of unlabeled, connected graphs on n vertices with no induced subgraph isomorphic to a paw, where the paw is the graph on 4 vertices, 3 of which form a triangle and the 4th vertex is adjacent to exactly one of those 3.

A079572

Number of unlabeled, connected graphs on n vertices with no induced subgraph isomorphic to a paw, where the paw is the graph on 4 vertices, 3 of which form a triangle and the 4th vertex is adjacent to exactly one of those 3.

Terms

    a(0) =1a(1) =1a(2) =2a(3) =5a(4) =10a(5) =26a(6) =70a(7) =284a(8) =1405a(9) =9868a(10) =90892a(11) =1144131a(12) =19425146a(13) =445781177

External references