Number of planted binary phylogenetic trees with n labels.

A006678

Number of planted binary phylogenetic trees with n labels.

Terms

    a(0) =0a(1) =1a(2) =1a(3) =6a(4) =39a(5) =390a(6) =4815a(7) =73080a(8) =1304415a(9) =26847450a(10) =625528575a(11) =16279193700a(12) =468022452975

External references