Number of lonely (gene tree, species tree) pairs with n+1 leaves.

A306205

Number of lonely (gene tree, species tree) pairs with n+1 leaves.

Terms

    a(0) =1a(1) =6a(2) =102a(3) =3420a(4) =191700a(5) =16291800a(6) =1966015800a(7) =321188943600

External references