A355537 - cp's OEIS frontend

A355537 Number of ways to choose a sequence of prime factors, one of each integer from 2 to n.

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	2
7	2
8	2
9	2
10	4
11	4
12	8
13	8
14	16
15	32
16	32
17	32
18	64
19	64
20	128
21	256
22	512
23	512
24	1024
25	1024
26	2048
27	2048
28	4096
29	4096
30	12288
31	12288
32	12288
33	24576
34	49152
35	98304
36	196608
37	196608
38	393216
39	786432
40	1572864
41	1572864
42	4718592
43	4718592
44	9437184
45	18874368
46	37748736

[1, 1, 1, 1, 1, 2, 2, 2, 2, 4, 4, 8, 8, 16, 32, 32, 32, 64, 64, 128, 256, 512, 512, 1024, 1024, 2048, 2048, 4096, 4096, 12288, 12288, 12288, 24576, 49152, 98304, 196608, 196608, 393216, 786432, 1572864, 1572864, 4718592, 4718592, 9437184, 18874368, 37748736]

cp's OEIS Frontend

A355537 Number of ways to choose a sequence of prime factors, one of each integer from 2 to n.

Table of values

List of values