A287417 - cp's OEIS frontend

A287417 Number A(n,k) of set partitions of [n] such that all absolute differences between least elements of consecutive blocks and between consecutive elements within the blocks are not larger than 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	0
6	1
7	1
8	2
9	0
10	1
11	1
12	2
13	3
14	0
15	1
16	1
17	2
18	5
19	4
20	0
21	1
22	1
23	2
24	5
25	12
26	5
27	0
28	1
29	1
30	2
31	5
32	15
33	27
34	6
35	0
36	1
37	1
38	2
39	5
40	15
41	46
42	58
43	7
44	0
45	1
46	1
47	2
48	5
49	15
50	52
51	139
52	121
53	8
54	0
55	1
56	1
57	2
58	5
59	15
60	52
61	187
62	410
63	248
64	9
65	0
66	1
67	1
68	2
69	5
70	15
71	52
72	203
73	677
74	1189
75	503
76	10
77	0

[1, 1, 1, 1, 1, 0, 1, 1, 2, 0, 1, 1, 2, 3, 0, 1, 1, 2, 5, 4, 0, 1, 1, 2, 5, 12, 5, 0, 1, 1, 2, 5, 15, 27, 6, 0, 1, 1, 2, 5, 15, 46, 58, 7, 0, 1, 1, 2, 5, 15, 52, 139, 121, 8, 0, 1, 1, 2, 5, 15, 52, 187, 410, 248, 9, 0, 1, 1, 2, 5, 15, 52, 203, 677, 1189, 503, 10, 0]

cp's OEIS Frontend

A287417 Number A(n,k) of set partitions of [n] such that all absolute differences between least elements of consecutive blocks and between consecutive elements within the blocks are not larger than k; square array A(n,k), n>=0, k>=0, read by antidiagonals.

Table of values

List of values