Number of 7-level labeled rooted trees with n leaves.
A001669
Number of 7-level labeled rooted trees with n leaves.
Terms
- a(0) =1a(1) =1a(2) =7a(3) =70a(4) =910a(5) =14532a(6) =274778a(7) =5995892a(8) =148154860a(9) =4085619622a(10) =124304629050
External references
- oeis: A001669