A211358 - cp's OEIS frontend

A211358 Triangle read by rows: T(n,k) is the number of partitions up to rotation and reflection of an n-set that contain k singleton blocks.

n	a(n)
0	1
1	0
2	1
3	1
4	0
5	1
6	1
7	1
8	0
9	1
10	3
11	1
12	2
13	0
14	1
15	3
16	4
17	2
18	2
19	0
20	1
21	12
22	7
23	11
24	3
25	3
26	0
27	1
28	20
29	28
30	21
31	16
32	4
33	3
34	0
35	1
36	81
37	89
38	101
39	43
40	30
41	5
42	4
43	0
44	1
45	238
46	395
47	356
48	223
49	86
50	40
51	7
52	4
53	0
54	1
55	1079
56	1757
57	1783
58	1004
59	504
60	148
61	62
62	8
63	5
64	0
65	1

[1, 0, 1, 1, 0, 1, 1, 1, 0, 1, 3, 1, 2, 0, 1, 3, 4, 2, 2, 0, 1, 12, 7, 11, 3, 3, 0, 1, 20, 28, 21, 16, 4, 3, 0, 1, 81, 89, 101, 43, 30, 5, 4, 0, 1, 238, 395, 356, 223, 86, 40, 7, 4, 0, 1, 1079, 1757, 1783, 1004, 504, 148, 62, 8, 5, 0, 1]

cp's OEIS Frontend

A211358 Triangle read by rows: T(n,k) is the number of partitions up to rotation and reflection of an n-set that contain k singleton blocks.

Table of values

List of values