A323955 - cp's OEIS frontend

A323955 Regular triangle read by rows where T(n, k) is the number of set partitions of {1, ..., n} with no block containing k cyclically successive vertices, n >= 1, 2 <= k <= n + 1.

n	a(n)
1	1
2	1
3	2
4	1
5	4
6	5
7	4
8	10
9	14
10	15
11	11
12	36
13	46
14	51
15	52
16	41
17	145
18	184
19	196
20	202
21	203
22	162
23	631
24	806
25	855
26	869
27	876
28	877
29	715
30	3015
31	3847
32	4059
33	4115
34	4131
35	4139
36	4140
37	3425
38	15563
39	19805
40	20813
41	21056
42	21119
43	21137
44	21146
45	21147
46	17722
47	86144
48	109339
49	114469

[1, 1, 2, 1, 4, 5, 4, 10, 14, 15, 11, 36, 46, 51, 52, 41, 145, 184, 196, 202, 203, 162, 631, 806, 855, 869, 876, 877, 715, 3015, 3847, 4059, 4115, 4131, 4139, 4140, 3425, 15563, 19805, 20813, 21056, 21119, 21137, 21146, 21147, 17722, 86144, 109339, 114469]

cp's OEIS Frontend

A323955 Regular triangle read by rows where T(n, k) is the number of set partitions of {1, ..., n} with no block containing k cyclically successive vertices, n >= 1, 2 <= k <= n + 1.

Table of values

List of values