Number of 6-level labeled rooted trees with n leaves.
A000405
Number of 6-level labeled rooted trees with n leaves.
Terms
- a(0) =1a(1) =1a(2) =6a(3) =51a(4) =561a(5) =7556a(6) =120196a(7) =2201856a(8) =45592666a(9) =1051951026a(10) =26740775306a(11) =742069051906
External references
- oeis: A000405