Sum(M(t)), where summation is over all rooted trees t with n vertices and M(t) is the number of ways to take apart t by sequentially removing terminal edges (see A206494).
A214565
Sum(M(t)), where summation is over all rooted trees t with n vertices and M(t) is the number of ways to take apart t by sequentially removing terminal edges (see A206494).
Terms
- a(0) =1a(1) =1a(2) =3a(3) =12a(4) =66a(5) =426a(6) =3392a(7) =30412a(8) =314994a(9) =3622332a(10) =46379994a(11) =648971940a(12) =9923253672a(13) =163720448184
External references
- oeis: A214565