Number of unlabeled rooted trees with n nodes and maximal outdegree (branching factor) 7.

A244403

Number of unlabeled rooted trees with n nodes and maximal outdegree (branching factor) 7.

Terms

    a(0) =1a(1) =2a(2) =6a(3) =17a(4) =50a(5) =143a(6) =416a(7) =1198a(8) =3467a(9) =10019a(10) =29001a(11) =83945a(12) =243228a(13) =705012a(14) =2044935a(15) =5934425a(16) =17231410a(17) =50058023a(18) =145491836a(19) =423056364a(20) =1230683672a(21) =3581556220a(22) =10427172296a(23) =30368394833a(24) =88476965536a(25) =257860132679a(26) =751756288476

External references