Number of labeled rooted trees with n nodes and 3 leaves.
A055304
Number of labeled rooted trees with n nodes and 3 leaves.
Terms
- a(0) =4a(1) =140a(2) =3000a(3) =54600a(4) =940800a(5) =16087680a(6) =279417600a(7) =4989600000a(8) =92207808000
External references
- oeis: A055304