A127743 - cp's OEIS frontend

A127743 Triangular array where T(n,k) is the number of set partitions of n with k atomic parts.

n	a(n)
1	1
2	1
3	1
4	2
5	2
6	1
7	6
8	5
9	3
10	1
11	22
12	16
13	9
14	4
15	1
16	92
17	60
18	31
19	14
20	5
21	1
22	426
23	252
24	120
25	52
26	20
27	6
28	1
29	2146
30	1160
31	510
32	209
33	80
34	27
35	7
36	1
37	11624
38	5776
39	2348
40	904
41	335
42	116
43	35
44	8
45	1
46	67146
47	30832
48	11610
49	4184
50	1481
51	507
52	161
53	44
54	9
55	1

[1, 1, 1, 2, 2, 1, 6, 5, 3, 1, 22, 16, 9, 4, 1, 92, 60, 31, 14, 5, 1, 426, 252, 120, 52, 20, 6, 1, 2146, 1160, 510, 209, 80, 27, 7, 1, 11624, 5776, 2348, 904, 335, 116, 35, 8, 1, 67146, 30832, 11610, 4184, 1481, 507, 161, 44, 9, 1]

cp's OEIS Frontend

A127743 Triangular array where T(n,k) is the number of set partitions of n with k atomic parts.

Table of values

List of values