Number of unlabeled rooted trees with n nodes and maximal outdegree (branching factor) 9.

A244405

Number of unlabeled rooted trees with n nodes and maximal outdegree (branching factor) 9.

Terms

    a(0) =1a(1) =2a(2) =6a(3) =17a(4) =50a(5) =143a(6) =416a(7) =1199a(8) =3474a(9) =10048a(10) =29112a(11) =84347a(12) =244630a(13) =709767a(14) =2060754a(15) =5986231a(16) =17399060a(17) =50595235a(18) =147199567a(19) =428448576a(20) =1247613511a(21) =3634451971a(22) =10591746511a(23) =30878554201a(24) =90053295475a(25) =262716880036a(26) =766682072349

External references