A339833 - cp's OEIS frontend

A339833 Irregular triangle read by rows: T(n,k) is the number of unlabeled trees on n vertices with domination number k, n >= 1, 1 <= k <= A065033(n+1).

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	1
7	2
8	1
9	4
10	1
11	1
12	5
13	5
14	1
15	7
16	13
17	2
18	1
19	8
20	27
21	11
22	1
23	10
24	47
25	45
26	3
27	1
28	11
29	72
30	124
31	27
32	1
33	13
34	103
35	287
36	141
37	6
38	1
39	14
40	140
41	553
42	528
43	65
44	1
45	16
46	182
47	966
48	1537
49	446
50	11
51	1
52	17
53	230
54	1538
55	3712
56	2080
57	163
58	1
59	19
60	284
61	2323
62	7788
63	7516
64	1366
65	23

[1, 1, 1, 1, 1, 1, 2, 1, 4, 1, 1, 5, 5, 1, 7, 13, 2, 1, 8, 27, 11, 1, 10, 47, 45, 3, 1, 11, 72, 124, 27, 1, 13, 103, 287, 141, 6, 1, 14, 140, 553, 528, 65, 1, 16, 182, 966, 1537, 446, 11, 1, 17, 230, 1538, 3712, 2080, 163, 1, 19, 284, 2323, 7788, 7516, 1366, 23]

cp's OEIS Frontend

A339833 Irregular triangle read by rows: T(n,k) is the number of unlabeled trees on n vertices with domination number k, n >= 1, 1 <= k <= A065033(n+1).

Table of values

List of values