A055080 - cp's OEIS frontend

A055080 Triangle T(n,k) read by rows, giving number of k-member minimal covers of an unlabeled n-set, k=1..n.

n	a(n)
1	1
2	1
3	1
4	1
5	2
6	1
7	1
8	4
9	3
10	1
11	1
12	6
13	9
14	4
15	1
16	1
17	9
18	23
19	17
20	5
21	1
22	1
23	12
24	51
25	65
26	28
27	6
28	1
29	1
30	16
31	103
32	230
33	156
34	43
35	7
36	1
37	1
38	20
39	196
40	736
41	863
42	336
43	62
44	8
45	1
46	1
47	25
48	348
49	2197
50	4571
51	2864
52	664
53	86
54	9
55	1
56	1
57	30
58	590
59	6093
60	22952
61	25326
62	8609
63	1229
64	115
65	10
66	1
67	1
68	36
69	960

[1, 1, 1, 1, 2, 1, 1, 4, 3, 1, 1, 6, 9, 4, 1, 1, 9, 23, 17, 5, 1, 1, 12, 51, 65, 28, 6, 1, 1, 16, 103, 230, 156, 43, 7, 1, 1, 20, 196, 736, 863, 336, 62, 8, 1, 1, 25, 348, 2197, 4571, 2864, 664, 86, 9, 1, 1, 30, 590, 6093, 22952, 25326, 8609, 1229, 115, 10, 1, 1, 36, 960]

cp's OEIS Frontend

A055080 Triangle T(n,k) read by rows, giving number of k-member minimal covers of an unlabeled n-set, k=1..n.

Table of values

List of values