A271466 - cp's OEIS frontend

A271466 Number T(n,k) of set partitions of [n] such that k is the largest element of the last block; triangle T(n,k), n>=1, 1<=k<=n, read by rows.

n	a(n)
1	1
2	0
3	2
4	0
5	1
6	4
7	0
8	1
9	4
10	10
11	0
12	1
13	6
14	15
15	30
16	0
17	1
18	10
19	29
20	59
21	104
22	0
23	1
24	18
25	63
26	139
27	250
28	406
29	0
30	1
31	34
32	149
33	365
34	692
35	1145
36	1754
37	0
38	1
39	66
40	375
41	1039
42	2110
43	3627
44	5649
45	8280
46	0
47	1
48	130
49	989
50	3149
51	6932
52	12521
53	20085
54	29874
55	42294
56	0
57	1
58	258
59	2703
60	10039
61	24190
62	46299
63	77133
64	117488
65	168509
66	231950

[1, 0, 2, 0, 1, 4, 0, 1, 4, 10, 0, 1, 6, 15, 30, 0, 1, 10, 29, 59, 104, 0, 1, 18, 63, 139, 250, 406, 0, 1, 34, 149, 365, 692, 1145, 1754, 0, 1, 66, 375, 1039, 2110, 3627, 5649, 8280, 0, 1, 130, 989, 3149, 6932, 12521, 20085, 29874, 42294, 0, 1, 258, 2703, 10039, 24190, 46299, 77133, 117488, 168509, 231950]

cp's OEIS Frontend

A271466 Number T(n,k) of set partitions of [n] such that k is the largest element of the last block; triangle T(n,k), n>=1, 1<=k<=n, read by rows.

Table of values

List of values