A086659 - cp's OEIS frontend

A086659 T(n,k) counts the set partitions of n containing k-1 blocks of length 1.

n	a(n)
2	1
3	1
4	3
5	4
6	4
7	6
8	11
9	20
10	10
11	10
12	41
13	66
14	60
15	20
16	15
17	162
18	287
19	231
20	140
21	35
22	21
23	715
24	1296
25	1148
26	616
27	280
28	56
29	28
30	3425
31	6435
32	5832
33	3444
34	1386
35	504
36	84
37	36
38	17722
39	34250
40	32175
41	19440
42	8610
43	2772
44	840
45	120
46	45
47	98253
48	194942
49	188375
50	117975
51	53460
52	18942
53	5082
54	1320
55	165
56	55

[1, 1, 3, 4, 4, 6, 11, 20, 10, 10, 41, 66, 60, 20, 15, 162, 287, 231, 140, 35, 21, 715, 1296, 1148, 616, 280, 56, 28, 3425, 6435, 5832, 3444, 1386, 504, 84, 36, 17722, 34250, 32175, 19440, 8610, 2772, 840, 120, 45, 98253, 194942, 188375, 117975, 53460, 18942, 5082, 1320, 165, 55]

cp's OEIS Frontend

A086659 T(n,k) counts the set partitions of n containing k-1 blocks of length 1.

Table of values

List of values