Number of rooted gene trees with n leaves on the label set [3].

A220823

Number of rooted gene trees with n leaves on the label set [3].

Terms

    a(0) =3a(1) =6a(2) =28a(3) =156a(4) =948a(5) =6206a(6) =42504a(7) =301548a(8) =2195100a(9) =16307598a(10) =123128940a(11) =942125110a(12) =7289062320a(13) =56926578912a(14) =448186662992

External references