A355529 - cp's OEIS frontend

A355529 Numbers of which it is not possible to choose a different prime factor of each prime index (with multiplicity).

n	a(n)
1	2
2	4
3	6
4	8
5	9
6	10
7	12
8	14
9	16
10	18
11	20
12	21
13	22
14	24
15	25
16	26
17	27
18	28
19	30
20	32
21	34
22	36
23	38
24	40
25	42
26	44
27	45
28	46
29	48
30	49
31	50
32	52
33	54
34	56
35	57
36	58
37	60
38	62
39	63
40	64
41	66
42	68
43	70
44	72
45	74
46	75
47	76
48	78
49	80
50	81
51	82
52	84
53	86
54	88
55	90
56	92
57	94
58	96
59	98
60	99
61	100
62	102
63	104
64	105
65	106

[2, 4, 6, 8, 9, 10, 12, 14, 16, 18, 20, 21, 22, 24, 25, 26, 27, 28, 30, 32, 34, 36, 38, 40, 42, 44, 45, 46, 48, 49, 50, 52, 54, 56, 57, 58, 60, 62, 63, 64, 66, 68, 70, 72, 74, 75, 76, 78, 80, 81, 82, 84, 86, 88, 90, 92, 94, 96, 98, 99, 100, 102, 104, 105, 106]

cp's OEIS Frontend

A355529 Numbers of which it is not possible to choose a different prime factor of each prime index (with multiplicity).

Table of values

List of values

n	a(n)
1	2
2	4
3	6
4	8
5	9
6	10
7	12
8	14
9	16
10	18
11	20
12	21
13	22
14	24
15	25
16	26
17	27
18	28
19	30
20	32
21	34
22	36
23	38
24	40
25	42
26	44
27	45
28	46
29	48
30	49
31	50
32	52
33	54
34	56
35	57
36	58
37	60
38	62
39	63
40	64
41	66
42	68
43	70
44	72
45	74
46	75
47	76
48	78
49	80
50	81
51	82
52	84
53	86
54	88
55	90
56	92
57	94
58	96
59	98
60	99
61	100
62	102
63	104
64	105
65	106

n	a(n)
1	2
2	4
3	6
4	8
5	9
6	10
7	12
8	14
9	16
10	18
11	20
12	21
13	22
14	24
15	25
16	26
17	27
18	28
19	30
20	32
21	34
22	36
23	38
24	40
25	42
26	44
27	45
28	46
29	48
30	49
31	50
32	52
33	54
34	56
35	57
36	58
37	60
38	62
39	63
40	64
41	66
42	68
43	70
44	72
45	74
46	75
47	76
48	78
49	80
50	81
51	82
52	84
53	86
54	88
55	90
56	92
57	94
58	96
59	98
60	99
61	100
62	102
63	104
64	105
65	106

n	a(n)
1	2
2	4
3	6
4	8
5	9
6	10
7	12
8	14
9	16
10	18
11	20
12	21
13	22
14	24
15	25
16	26
17	27
18	28
19	30
20	32
21	34
22	36
23	38
24	40
25	42
26	44
27	45
28	46
29	48
30	49
31	50
32	52
33	54
34	56
35	57
36	58
37	60
38	62
39	63
40	64
41	66
42	68
43	70
44	72
45	74
46	75
47	76
48	78
49	80
50	81
51	82
52	84
53	86
54	88
55	90
56	92
57	94
58	96
59	98
60	99
61	100
62	102
63	104
64	105
65	106