Number of n-level labeled rooted trees with n leaves.
A139383
Number of n-level labeled rooted trees with n leaves.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =12a(4) =154a(5) =3455a(6) =120196a(7) =5995892a(8) =406005804a(9) =35839643175
External references
- oeis: A139383