The sum of the degree of each root node over all rooted labeled trees on n nodes.
A206855
The sum of the degree of each root node over all rooted labeled trees on n nodes.
Terms
- a(0) =0a(1) =0a(2) =2a(3) =12a(4) =96a(5) =1000a(6) =12960a(7) =201684a(8) =3670016a(9) =76527504a(10) =1800000000a(11) =47158953820
External references
- oeis: A206855