A386635 - cp's OEIS frontend

A386635 Triangle read by rows where T(n,k) is the number of separable type set partitions of {1..n} into k blocks.

n	a(n)
0	1
1	0
2	1
3	0
4	0
5	1
6	0
7	0
8	3
9	1
10	0
11	0
12	3
13	6
14	1
15	0
16	0
17	10
18	25
19	10
20	1
21	0
22	0
23	10
24	75
25	65
26	15
27	1
28	0
29	0
30	35
31	280
32	350
33	140
34	21
35	1
36	0
37	0
38	35
39	770
40	1645
41	1050
42	266
43	28
44	1
45	0
46	0
47	126
48	2737
49	7686
50	6951
51	2646
52	462
53	36
54	1
55	0
56	0
57	126
58	7455
59	32725
60	42315
61	22827
62	5880
63	750
64	45
65	1

[1, 0, 1, 0, 0, 1, 0, 0, 3, 1, 0, 0, 3, 6, 1, 0, 0, 10, 25, 10, 1, 0, 0, 10, 75, 65, 15, 1, 0, 0, 35, 280, 350, 140, 21, 1, 0, 0, 35, 770, 1645, 1050, 266, 28, 1, 0, 0, 126, 2737, 7686, 6951, 2646, 462, 36, 1, 0, 0, 126, 7455, 32725, 42315, 22827, 5880, 750, 45, 1]

cp's OEIS Frontend

A386635 Triangle read by rows where T(n,k) is the number of separable type set partitions of {1..n} into k blocks.

Table of values

List of values