A275074 - cp's OEIS frontend

A275074 Number of set partitions of [n] such that i-j is a multiple of seven 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	1
7	1
8	2
9	4
10	8
11	16
12	32
13	64
14	128
15	320
16	800
17	2000
18	5000
19	12500
20	31250
21	78125
22	234375
23	703125
24	2109375
25	6328125
26	18984375
27	56953125
28	170859375
29	592312500
30	2053350000
31	7118280000
32	24676704000
33	85545907200
34	296559144960
35	1028071702528

[1, 1, 1, 1, 1, 1, 1, 1, 2, 4, 8, 16, 32, 64, 128, 320, 800, 2000, 5000, 12500, 31250, 78125, 234375, 703125, 2109375, 6328125, 18984375, 56953125, 170859375, 592312500, 2053350000, 7118280000, 24676704000, 85545907200, 296559144960, 1028071702528]

cp's OEIS Frontend

A275074 Number of set partitions of [n] such that i-j is a multiple of seven for all i,j belonging to the same block.

Table of values

List of values