A274859 - cp's OEIS frontend

A274859 Number A(n,k) of set partitions of [n] such that the difference between each element and its index (in the partition) is a multiple of 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	2
6	1
7	1
8	2
9	4
10	1
11	1
12	2
13	5
14	8
15	1
16	1
17	2
18	4
19	15
20	16
21	1
22	1
23	2
24	4
25	8
26	52
27	32
28	1
29	1
30	2
31	4
32	8
33	18
34	203
35	64
36	1
37	1
38	2
39	4
40	8
41	16
42	40
43	877
44	128
45	1
46	1
47	2
48	4
49	8
50	16
51	32
52	101
53	4140
54	256
55	1
56	1
57	2
58	4
59	8
60	16
61	32
62	68
63	254
64	21147
65	512
66	1
67	1
68	2
69	4
70	8
71	16
72	32
73	64
74	144
75	723
76	115975
77	1024

[1, 1, 1, 1, 1, 2, 1, 1, 2, 4, 1, 1, 2, 5, 8, 1, 1, 2, 4, 15, 16, 1, 1, 2, 4, 8, 52, 32, 1, 1, 2, 4, 8, 18, 203, 64, 1, 1, 2, 4, 8, 16, 40, 877, 128, 1, 1, 2, 4, 8, 16, 32, 101, 4140, 256, 1, 1, 2, 4, 8, 16, 32, 68, 254, 21147, 512, 1, 1, 2, 4, 8, 16, 32, 64, 144, 723, 115975, 1024]

cp's OEIS Frontend

A274859 Number A(n,k) of set partitions of [n] such that the difference between each element and its index (in the partition) is a multiple of k; square array A(n,k), n>=0, k>=0, read by antidiagonals.

Table of values

List of values