Number of non-isomorphic series/singleton-reduced rooted trees on a multiset of size n.
A330470
Number of non-isomorphic series/singleton-reduced rooted trees on a multiset of size n.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =7a(4) =39a(5) =236a(6) =1836a(7) =16123a(8) =162008a(9) =1802945a(10) =22012335a(11) =291290460a(12) =4144907830a(13) =62986968311
External references
- oeis: A330470