Number of partially labeled rooted trees with n nodes (4 of which are labeled).
A000525
Number of partially labeled rooted trees with n nodes (4 of which are labeled).
Terms
- a(0) =64a(1) =625a(2) =4016a(3) =21256a(4) =100407a(5) =439646a(6) =1823298a(7) =7258228a(8) =27983518a(9) =105146732a(10) =386812476a(11) =1398023732a(12) =4977320988a(13) =17492710572a(14) =60790051789a(15) =209179971147a(16) =713533304668
External references
- oeis: A000525