A124329 - cp's OEIS frontend

A124329 Number of ordered trees with n edges, with thinning limbs and with root of degree 2. An ordered tree with thinning limbs is such that if a node has k children, all its children have at most k children.

n	a(n)
1	0
2	1
3	2
4	5
5	10
6	22
7	46
8	101
9	220
10	492
11	1104
12	2515
13	5762
14	13327
15	30994
16	72555
17	170654
18	403350
19	957134
20	2279947
21	5449012
22	13063595
23	31406516
24	75701507
25	182902336
26	442885682
27	1074604288
28	2612341855
29	6361782006
30	15518343596
31	37912613630

[0, 1, 2, 5, 10, 22, 46, 101, 220, 492, 1104, 2515, 5762, 13327, 30994, 72555, 170654, 403350, 957134, 2279947, 5449012, 13063595, 31406516, 75701507, 182902336, 442885682, 1074604288, 2612341855, 6361782006, 15518343596, 37912613630]

cp's OEIS Frontend

A124329 Number of ordered trees with n edges, with thinning limbs and with root of degree 2. An ordered tree with thinning limbs is such that if a node has k children, all its children have at most k children.

Table of values

List of values