A325263 - cp's OEIS frontend

A325263 Number of subsets of {1..n} containing n such that no two elements have the same sorted prime signature.

n	a(n)
1	1
2	2
3	2
4	6
5	4
6	16
7	8
8	40
9	40
10	60
11	36
12	216
13	72
14	168
15	168
16	840
17	240
18	960
19	360
20	1080
21	864
22	864
23	672
24	6720
25	4480
26	2560
27	10240
28	7680
29	3840
30	42240
31	7680
32	92160
33	23040
34	23040
35	23040
36	253440
37	42240
38	49920
39	49920
40	324480
41	74880
42	524160
43	112320
44	336960
45	336960
46	181440

[1, 2, 2, 6, 4, 16, 8, 40, 40, 60, 36, 216, 72, 168, 168, 840, 240, 960, 360, 1080, 864, 864, 672, 6720, 4480, 2560, 10240, 7680, 3840, 42240, 7680, 92160, 23040, 23040, 23040, 253440, 42240, 49920, 49920, 324480, 74880, 524160, 112320, 336960, 336960, 181440]

cp's OEIS Frontend

A325263 Number of subsets of {1..n} containing n such that no two elements have the same sorted prime signature.

Table of values

List of values