Number of unlabeled rooted trees with n nodes such that the minimal outdegree of inner nodes equals 5.
A244459
Number of unlabeled rooted trees with n nodes such that the minimal outdegree of inner nodes equals 5.
Terms
- a(0) =1a(1) =0a(2) =0a(3) =0a(4) =0a(5) =1a(6) =2a(7) =2a(8) =2a(9) =2a(10) =4a(11) =7a(12) =12a(13) =16a(14) =21a(15) =29a(16) =43a(17) =65a(18) =99a(19) =142a(20) =206a(21) =297a(22) =436a(23) =641a(24) =945a(25) =1383a(26) =2029a(27) =2976a(28) =4378a(29) =6432
External references
- oeis: A244459