A327884 - cp's OEIS frontend

A327884 Number T(n,k) of set partitions of [n] such that at least one of the block sizes is k or k=0; triangle T(n,k), n>=0, 0<=k<=n, read by rows.

n	a(n)
0	1
1	1
2	1
3	2
4	1
5	1
6	5
7	4
8	3
9	1
10	15
11	11
12	9
13	4
14	1
15	52
16	41
17	35
18	20
19	5
20	1
21	203
22	162
23	150
24	90
25	30
26	6
27	1
28	877
29	715
30	672
31	455
32	175
33	42
34	7
35	1
36	4140
37	3425
38	3269
39	2352
40	1015
41	280
42	56
43	8
44	1
45	21147
46	17722
47	17271
48	13132
49	6237
50	1890
51	420
52	72
53	9
54	1
55	115975
56	98253
57	97155
58	76540
59	39480
60	12978
61	3150
62	600
63	90
64	10
65	1

[1, 1, 1, 2, 1, 1, 5, 4, 3, 1, 15, 11, 9, 4, 1, 52, 41, 35, 20, 5, 1, 203, 162, 150, 90, 30, 6, 1, 877, 715, 672, 455, 175, 42, 7, 1, 4140, 3425, 3269, 2352, 1015, 280, 56, 8, 1, 21147, 17722, 17271, 13132, 6237, 1890, 420, 72, 9, 1, 115975, 98253, 97155, 76540, 39480, 12978, 3150, 600, 90, 10, 1]

cp's OEIS Frontend

A327884 Number T(n,k) of set partitions of [n] such that at least one of the block sizes is k or k=0; triangle T(n,k), n>=0, 0<=k<=n, read by rows.

Table of values

List of values