A034781 - cp's OEIS frontend

A034781 Triangle of number of rooted trees with n >= 2 nodes and height h >= 1.

n	a(n)
2	1
3	1
4	1
5	1
6	2
7	1
8	1
9	4
10	3
11	1
12	1
13	6
14	8
15	4
16	1
17	1
18	10
19	18
20	13
21	5
22	1
23	1
24	14
25	38
26	36
27	19
28	6
29	1
30	1
31	21
32	76
33	93
34	61
35	26
36	7
37	1
38	1
39	29
40	147
41	225
42	180
43	94
44	34
45	8
46	1
47	1
48	41
49	277
50	528
51	498
52	308
53	136
54	43
55	9
56	1
57	1
58	55
59	509
60	1198
61	1323
62	941
63	487
64	188
65	53
66	10
67	1

[1, 1, 1, 1, 2, 1, 1, 4, 3, 1, 1, 6, 8, 4, 1, 1, 10, 18, 13, 5, 1, 1, 14, 38, 36, 19, 6, 1, 1, 21, 76, 93, 61, 26, 7, 1, 1, 29, 147, 225, 180, 94, 34, 8, 1, 1, 41, 277, 528, 498, 308, 136, 43, 9, 1, 1, 55, 509, 1198, 1323, 941, 487, 188, 53, 10, 1]

cp's OEIS Frontend

A034781 Triangle of number of rooted trees with n >= 2 nodes and height h >= 1.

Table of values

List of values