A003238 - cp's OEIS frontend

A003238 Number of rooted trees with n vertices in which vertices at the same level have the same degree.

n	a(n)
1	1
2	1
3	2
4	3
5	5
6	6
7	10
8	11
9	16
10	19
11	26
12	27
13	40
14	41
15	53
16	61
17	77
18	78
19	104
20	105
21	134
22	147
23	175
24	176
25	227
26	233
27	275
28	294
29	350
30	351
31	438
32	439
33	516
34	545
35	624
36	640
37	774
38	775
39	881
40	924
41	1069
42	1070
43	1265
44	1266
45	1444
46	1521
47	1698
48	1699

[1, 1, 2, 3, 5, 6, 10, 11, 16, 19, 26, 27, 40, 41, 53, 61, 77, 78, 104, 105, 134, 147, 175, 176, 227, 233, 275, 294, 350, 351, 438, 439, 516, 545, 624, 640, 774, 775, 881, 924, 1069, 1070, 1265, 1266, 1444, 1521, 1698, 1699]

cp's OEIS Frontend

A003238 Number of rooted trees with n vertices in which vertices at the same level have the same degree.

Table of values

List of values