Number of Hamiltonian rooted triangulations with n internal nodes and 5 external nodes.

A005979

Number of Hamiltonian rooted triangulations with n internal nodes and 5 external nodes.

Terms

    a(0) =5a(1) =45a(2) =420a(3) =4130a(4) =42480a(5) =453350a(6) =4986860a(7) =56251230a(8) =648055650a(9) =7601584050a(10) =90556803600

External references