A360335 - cp's OEIS frontend

A360335 Array read by antidiagonals downwards: A(n,m) = number of set partitions of [2n] into 2-element subsets {i, i+k} with 1 <= k <= m.

n	a(n)
1	1
2	1
3	1
4	1
5	2
6	1
7	1
8	3
9	3
10	1
11	1
12	3
13	7
14	5
15	1
16	1
17	3
18	12
19	16
20	8
21	1
22	1
23	3
24	15
25	35
26	38
27	13
28	1
29	1
30	3
31	15
32	63
33	105
34	89
35	21
36	1
37	1
38	3
39	15
40	90
41	226
42	329
43	209
44	34
45	1
46	1
47	3
48	15
49	105
50	417
51	841
52	1014
53	491
54	55
55	1
56	1
57	3
58	15
59	105
60	645
61	1787
62	3251
63	3116
64	1153
65	89
66	1

[1, 1, 1, 1, 2, 1, 1, 3, 3, 1, 1, 3, 7, 5, 1, 1, 3, 12, 16, 8, 1, 1, 3, 15, 35, 38, 13, 1, 1, 3, 15, 63, 105, 89, 21, 1, 1, 3, 15, 90, 226, 329, 209, 34, 1, 1, 3, 15, 105, 417, 841, 1014, 491, 55, 1, 1, 3, 15, 105, 645, 1787, 3251, 3116, 1153, 89, 1]

cp's OEIS Frontend

A360335 Array read by antidiagonals downwards: A(n,m) = number of set partitions of [2n] into 2-element subsets {i, i+k} with 1 <= k <= m.

Table of values

List of values