Number of unlabeled rooted trees with n nodes and maximal outdegree (branching factor) 5.

A244401

Number of unlabeled rooted trees with n nodes and maximal outdegree (branching factor) 5.

Terms

    a(0) =1a(1) =2a(2) =6a(3) =17a(4) =50a(5) =142a(6) =409a(7) =1169a(8) =3356a(9) =9617a(10) =27601a(11) =79210a(12) =227527a(13) =653793a(14) =1879867a(15) =5407806a(16) =15564968a(17) =44820889a(18) =129127761a(19) =372177974a(20) =1073169150a(21) =3095721985a(22) =8933568154a(23) =25789862435a(24) =74477871565a(25) =215155604291a(26) =621754458752

External references