A370586 - cp's OEIS frontend

A370586 Number of subsets of {1..n} containing n such that it is possible to choose a different prime factor of each element (choosable).

n	a(n)
0	0
1	0
2	1
3	2
4	2
5	6
6	8
7	20
8	12
9	20
10	44
11	116
12	88
13	320
14	380
15	508
16	264
17	1792
18	968
19	4552
20	3136
21	5600
22	10056
23	27896
24	11792
25	16384
26	46688
27	19584
28	48288
29	198528
30	110928
31	507984
32	99648
33	463552
34	859376
35	821136
36	470688
37	3730368
38	4033920
39	4651296
40	2932512
41	19078464

[0, 0, 1, 2, 2, 6, 8, 20, 12, 20, 44, 116, 88, 320, 380, 508, 264, 1792, 968, 4552, 3136, 5600, 10056, 27896, 11792, 16384, 46688, 19584, 48288, 198528, 110928, 507984, 99648, 463552, 859376, 821136, 470688, 3730368, 4033920, 4651296, 2932512, 19078464]

cp's OEIS Frontend

A370586 Number of subsets of {1..n} containing n such that it is possible to choose a different prime factor of each element (choosable).

Table of values

List of values