A370648 - cp's OEIS frontend

A370648 Number of ways to choose a subset s of [n] and then for each element in s choose a different prime factor.

n	a(n)
0	1
1	1
2	2
3	4
4	6
5	12
6	22
7	44
8	56
9	76
10	130
11	260
12	376
13	752
14	1248
15	1948
16	2224
17	4448
18	5808
19	11616
20	16016
21	24000
22	38416
23	76832
24	94656
25	114736
26	181992
27	204024
28	274056
29	548112
30	743856
31	1487712
32	1593696
33	2292992
34	3590880
35	4881120
36	5630592
37	11261184
38	17559072
39	24987360

[1, 1, 2, 4, 6, 12, 22, 44, 56, 76, 130, 260, 376, 752, 1248, 1948, 2224, 4448, 5808, 11616, 16016, 24000, 38416, 76832, 94656, 114736, 181992, 204024, 274056, 548112, 743856, 1487712, 1593696, 2292992, 3590880, 4881120, 5630592, 11261184, 17559072, 24987360]

cp's OEIS Frontend

A370648 Number of ways to choose a subset s of [n] and then for each element in s choose a different prime factor.

Table of values

List of values