A283424 - cp's OEIS frontend

A283424 Number T(n,k) of blocks of size >= k in all set partitions of [n], assuming that every set partition contains one block of size zero; triangle T(n,k), n>=0, 0<=k<=n, read by rows.

n	a(n)
0	1
1	2
2	1
3	5
4	3
5	1
6	15
7	10
8	4
9	1
10	52
11	37
12	17
13	5
14	1
15	203
16	151
17	76
18	26
19	6
20	1
21	877
22	674
23	362
24	137
25	37
26	7
27	1
28	4140
29	3263
30	1842
31	750
32	225
33	50
34	8
35	1
36	21147
37	17007
38	9991
39	4307
40	1395
41	345
42	65
43	9
44	1
45	115975
46	94828
47	57568
48	25996
49	8944
50	2392
51	502
52	82
53	10
54	1

[1, 2, 1, 5, 3, 1, 15, 10, 4, 1, 52, 37, 17, 5, 1, 203, 151, 76, 26, 6, 1, 877, 674, 362, 137, 37, 7, 1, 4140, 3263, 1842, 750, 225, 50, 8, 1, 21147, 17007, 9991, 4307, 1395, 345, 65, 9, 1, 115975, 94828, 57568, 25996, 8944, 2392, 502, 82, 10, 1]

cp's OEIS Frontend

A283424 Number T(n,k) of blocks of size >= k in all set partitions of [n], assuming that every set partition contains one block of size zero; triangle T(n,k), n>=0, 0<=k<=n, read by rows.

Table of values

List of values