A245148 Number of n-node unlabeled rooted trees with thickening limbs and root outdegree (branching factor) 8.
1, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 3, 3, 5, 5, 7, 7, 9, 9, 15, 16, 23, 28, 36, 42, 54, 61, 83, 98, 127, 155, 203, 242, 309, 370, 479, 578, 739, 904, 1155, 1420, 1790, 2194, 2786, 3425, 4323, 5350, 6747, 8362, 10522, 13022, 16397, 20346, 25558
Offset: 9
Keywords
Links
- Alois P. Heinz, Table of n, a(n) for n = 9..150
Crossrefs
Column k=8 of A245151.