A211356 - cp's OEIS frontend

A211356 Triangle read by rows: T(n,k) is the number of partitions up to rotation 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	11
23	12
24	4
25	3
26	0
27	1
28	24
29	41
30	33
31	20
32	5
33	3
34	0
35	1
36	103
37	162
38	151
39	77
40	39
41	7
42	4
43	0
44	1
45	387
46	715
47	648
48	386
49	154
50	56
51	10
52	4
53	0
54	1
55	1819
56	3425
57	3255
58	1944
59	876
60	278
61	88
62	12
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, 11, 12, 4, 3, 0, 1, 24, 41, 33, 20, 5, 3, 0, 1, 103, 162, 151, 77, 39, 7, 4, 0, 1, 387, 715, 648, 386, 154, 56, 10, 4, 0, 1, 1819, 3425, 3255, 1944, 876, 278, 88, 12, 5, 0, 1]

cp's OEIS Frontend

A211356 Triangle read by rows: T(n,k) is the number of partitions up to rotation of an n-set that contain k singleton blocks.

Table of values

List of values