Number of trees on n labeled vertices with degree at most 3.
A003692
Number of trees on n labeled vertices with degree at most 3.
Terms
- a(0) =1a(1) =1a(2) =3a(3) =16a(4) =120a(5) =1170a(6) =14070a(7) =201600a(8) =3356640a(9) =63730800a(10) =1359666000a(11) =32212857600a(12) =839350512000
External references
- oeis: A003692