A275072 - cp's OEIS frontend

A275072 Number of set partitions of [n] such that i-j is a multiple of five for all i,j belonging to the same block.

n	a(n)
0	1
1	1
2	1
3	1
4	1
5	1
6	2
7	4
8	8
9	16
10	32
11	80
12	200
13	500
14	1250
15	3125
16	9375
17	28125
18	84375
19	253125
20	759375
21	2632500
22	9126000
23	31636800
24	109674240
25	380204032
26	1484258048
27	5794315072
28	22620114608
29	88305447412
30	344730881243
31	1489305334237
32	6434092503083
33	27796547414797

[1, 1, 1, 1, 1, 1, 2, 4, 8, 16, 32, 80, 200, 500, 1250, 3125, 9375, 28125, 84375, 253125, 759375, 2632500, 9126000, 31636800, 109674240, 380204032, 1484258048, 5794315072, 22620114608, 88305447412, 344730881243, 1489305334237, 6434092503083, 27796547414797]

cp's OEIS Frontend

A275072 Number of set partitions of [n] such that i-j is a multiple of five for all i,j belonging to the same block.

Table of values

List of values