A178979 - cp's OEIS frontend

A178979 Triangular array read by rows: T(n,k) is the number of set partitions of {1,2,...,n} in which the shortest block has length k (1 <= k <= n).

n	a(n)
1	1
2	1
3	1
4	4
5	0
6	1
7	11
8	3
9	0
10	1
11	41
12	10
13	0
14	0
15	1
16	162
17	30
18	10
19	0
20	0
21	1
22	715
23	126
24	35
25	0
26	0
27	0
28	1
29	3425
30	623
31	56
32	35
33	0
34	0
35	0
36	1
37	17722
38	2934
39	364
40	126
41	0
42	0
43	0
44	0
45	1
46	98253
47	15165
48	2220
49	210
50	126
51	0
52	0
53	0
54	0
55	1
56	580317
57	86900
58	10560
59	330
60	462
61	0
62	0
63	0
64	0
65	0
66	1

[1, 1, 1, 4, 0, 1, 11, 3, 0, 1, 41, 10, 0, 0, 1, 162, 30, 10, 0, 0, 1, 715, 126, 35, 0, 0, 0, 1, 3425, 623, 56, 35, 0, 0, 0, 1, 17722, 2934, 364, 126, 0, 0, 0, 0, 1, 98253, 15165, 2220, 210, 126, 0, 0, 0, 0, 1, 580317, 86900, 10560, 330, 462, 0, 0, 0, 0, 0, 1]

cp's OEIS Frontend

A178979 Triangular array read by rows: T(n,k) is the number of set partitions of {1,2,...,n} in which the shortest block has length k (1 <= k <= n).

Table of values

List of values