Number of partially labeled trees with n nodes (4 of which are labeled).
A000485
Number of partially labeled trees with n nodes (4 of which are labeled).
Terms
- a(0) =16a(1) =125a(2) =680a(3) =3135a(4) =13155a(5) =51873a(6) =195821a(7) =715614a(8) =2550577a(9) =8911942a(10) =30640888a(11) =103951415a(12) =348724844a(13) =1158722880a(14) =3818514232a(15) =12493703403a(16) =40620949971a(17) =131336770375a(18) =422536529249
External references
- oeis: A000485