Number of n-node unlabeled rooted trees with thickening limbs and root outdegree (branching factor) 7.

A245147

Number of n-node unlabeled rooted trees with thickening limbs and root outdegree (branching factor) 7.

Terms

    a(0) =1a(1) =0a(2) =0a(3) =0a(4) =0a(5) =0a(6) =0a(7) =1a(8) =1a(9) =1a(10) =1a(11) =1a(12) =1a(13) =1a(14) =3a(15) =3a(16) =5a(17) =5a(18) =7a(19) =7a(20) =9a(21) =13a(22) =16a(23) =21a(24) =28a(25) =34a(26) =42a(27) =52a(28) =70a(29) =85

External references