Number of rooted labeled trees on n nodes such that every nonroot node is the child of a branching node or of the root.
A254382
Number of rooted labeled trees on n nodes such that every nonroot node is the child of a branching node or of the root.
Terms
- a(0) =0a(1) =1a(2) =2a(3) =3a(4) =16a(5) =85a(6) =696a(7) =6349a(8) =72080a(9) =918873a(10) =13484080a(11) =219335281a(12) =3962458248a(13) =78203547877
External references
- oeis: A254382