A184174 - cp's OEIS frontend

A184174 Triangle read by rows: T(n,k) is the number of partitions of the set {1,2,...,n} having k adjacent blocks of size 2, i.e., blocks of the form (i,i+1) (0 <= k <= floor(n/2)).

n	a(n)
0	1
1	1
2	1
3	1
4	3
5	2
6	10
7	4
8	1
9	35
10	14
11	3
12	139
13	54
14	9
15	1
16	611
17	224
18	38
19	4
20	2925
21	1027
22	171
23	16
24	1
25	15128
26	5112
27	822
28	80
29	5
30	83903
31	27352
32	4279
33	415
34	25
35	1
36	495929
37	156392
38	23826
39	2272
40	145
41	6
42	3108129
43	950285
44	141039
45	13252
46	855
47	36
48	1
49	20565721
50	6107540
51	883982
52	81692
53	5257
54	238
55	7

[1, 1, 1, 1, 3, 2, 10, 4, 1, 35, 14, 3, 139, 54, 9, 1, 611, 224, 38, 4, 2925, 1027, 171, 16, 1, 15128, 5112, 822, 80, 5, 83903, 27352, 4279, 415, 25, 1, 495929, 156392, 23826, 2272, 145, 6, 3108129, 950285, 141039, 13252, 855, 36, 1, 20565721, 6107540, 883982, 81692, 5257, 238, 7]

cp's OEIS Frontend

A184174 Triangle read by rows: T(n,k) is the number of partitions of the set {1,2,...,n} having k adjacent blocks of size 2, i.e., blocks of the form (i,i+1) (0 <= k <= floor(n/2)).

Table of values

List of values