A324323 - cp's OEIS frontend

A324323 Regular triangle read by rows where T(n,k) is the number of topologically connected set partitions of {1,...,n} with k blocks, 0 <= k <= n.

n	a(n)
0	1
1	0
2	1
3	0
4	1
5	0
6	0
7	1
8	0
9	0
10	0
11	1
12	1
13	0
14	0
15	0
16	1
17	5
18	0
19	0
20	0
21	0
22	1
23	16
24	4
25	0
26	0
27	0
28	0
29	1
30	42
31	42
32	0
33	0
34	0
35	0
36	0
37	1
38	99
39	258
40	27
41	0
42	0
43	0
44	0
45	0
46	1
47	219
48	1222
49	465
50	0
51	0
52	0
53	0
54	0

[1, 0, 1, 0, 1, 0, 0, 1, 0, 0, 0, 1, 1, 0, 0, 0, 1, 5, 0, 0, 0, 0, 1, 16, 4, 0, 0, 0, 0, 1, 42, 42, 0, 0, 0, 0, 0, 1, 99, 258, 27, 0, 0, 0, 0, 0, 1, 219, 1222, 465, 0, 0, 0, 0, 0]

cp's OEIS Frontend

A324323 Regular triangle read by rows where T(n,k) is the number of topologically connected set partitions of {1,...,n} with k blocks, 0 <= k <= n.

Table of values

List of values