A287216 - cp's OEIS frontend

A287216 Number A(n,k) of set partitions of [n] such that all absolute differences between least elements of consecutive blocks are <= k; square array A(n,k), n>=0, k>=0, read by antidiagonals.

n	a(n)
0	1
1	1
2	1
3	1
4	1
5	1
6	1
7	1
8	2
9	1
10	1
11	1
12	2
13	4
14	1
15	1
16	1
17	2
18	5
19	9
20	1
21	1
22	1
23	2
24	5
25	14
26	23
27	1
28	1
29	1
30	2
31	5
32	15
33	44
34	66
35	1
36	1
37	1
38	2
39	5
40	15
41	51
42	152
43	210
44	1
45	1
46	1
47	2
48	5
49	15
50	52
51	191
52	571
53	733
54	1
55	1
56	1
57	2
58	5
59	15
60	52
61	202
62	780
63	2317
64	2781
65	1
66	1
67	1
68	2
69	5
70	15
71	52
72	203
73	857
74	3440
75	10096
76	11378
77	1

[1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 2, 4, 1, 1, 1, 2, 5, 9, 1, 1, 1, 2, 5, 14, 23, 1, 1, 1, 2, 5, 15, 44, 66, 1, 1, 1, 2, 5, 15, 51, 152, 210, 1, 1, 1, 2, 5, 15, 52, 191, 571, 733, 1, 1, 1, 2, 5, 15, 52, 202, 780, 2317, 2781, 1, 1, 1, 2, 5, 15, 52, 203, 857, 3440, 10096, 11378, 1]

cp's OEIS Frontend

A287216 Number A(n,k) of set partitions of [n] such that all absolute differences between least elements of consecutive blocks are <= k; square array A(n,k), n>=0, k>=0, read by antidiagonals.

Table of values

List of values