Number of unlabeled rooted trees with n nodes and maximal outdegree (branching factor) 6.

A244402

Number of unlabeled rooted trees with n nodes and maximal outdegree (branching factor) 6.

Terms

    a(0) =1a(1) =2a(2) =6a(3) =17a(4) =50a(5) =143a(6) =415a(7) =1192a(8) =3444a(9) =9931a(10) =28687a(11) =82857a(12) =239563a(13) =692878a(14) =2005381a(15) =5806915a(16) =16824277a(17) =48767953a(18) =141430699a(19) =410341703a(20) =1191064873a(21) =3458607705a(22) =10046993035a(23) =29196507434a(24) =84874753458a(25) =246814998803a(26) =717965190047

External references