A008295 - cp's OEIS frontend

A008295 Triangle read by rows: T(n,k) is the number of partially labeled rooted trees with n vertices, k of which are labeled, 0 <= k <= n.

n	a(n)
0	1
1	1
2	1
3	1
4	2
5	2
6	2
7	5
8	9
9	9
10	4
11	13
12	34
13	64
14	64
15	9
16	35
17	119
18	326
19	625
20	625
21	20
22	95
23	401
24	1433
25	4016
26	7776
27	7776
28	48
29	262
30	1316
31	5799
32	21256
33	60387
34	117649
35	117649
36	115
37	727
38	4247
39	22224
40	100407
41	373895
42	1071904
43	2097152
44	2097152

[1, 1, 1, 1, 2, 2, 2, 5, 9, 9, 4, 13, 34, 64, 64, 9, 35, 119, 326, 625, 625, 20, 95, 401, 1433, 4016, 7776, 7776, 48, 262, 1316, 5799, 21256, 60387, 117649, 117649, 115, 727, 4247, 22224, 100407, 373895, 1071904, 2097152, 2097152]

cp's OEIS Frontend

A008295 Triangle read by rows: T(n,k) is the number of partially labeled rooted trees with n vertices, k of which are labeled, 0 <= k <= n.

Table of values

List of values