A274866 - cp's OEIS frontend

A274866 Number of set partitions of [n] such that the difference between each element and its index (in the partition) is a multiple of nine.

n	a(n)
0	1
1	1
2	2
3	4
4	8
5	16
6	32
7	64
8	128
9	256
10	512
11	1024
12	2048
13	4096
14	8192
15	16384
16	32768
17	65536
18	131072
19	262400
20	525312
21	1051648
22	2105344
23	4214784
24	8437760
25	16891904
26	33816576
27	67698688
28	135726080
29	272175872
30	545883008
31	1094922880
32	2196262528
33	4405472896
34	8836975232

[1, 1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096, 8192, 16384, 32768, 65536, 131072, 262400, 525312, 1051648, 2105344, 4214784, 8437760, 16891904, 33816576, 67698688, 135726080, 272175872, 545883008, 1094922880, 2196262528, 4405472896, 8836975232]

cp's OEIS Frontend

A274866 Number of set partitions of [n] such that the difference between each element and its index (in the partition) is a multiple of nine.

Table of values

List of values