A328168 - cp's OEIS frontend

A328168 Numbers whose prime indices minus 1 are relatively prime.

n	a(n)
1	3
2	6
3	9
4	12
5	15
6	18
7	21
8	24
9	27
10	30
11	33
12	35
13	36
14	39
15	42
16	45
17	48
18	51
19	54
20	57
21	60
22	63
23	65
24	66
25	69
26	70
27	72
28	75
29	77
30	78
31	81
32	84
33	87
34	90
35	91
36	93
37	95
38	96
39	99
40	102
41	105
42	108
43	111
44	114
45	117
46	120
47	123
48	126
49	129
50	130
51	132
52	133
53	135
54	138
55	140
56	141
57	143
58	144
59	145
60	147

[3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 35, 36, 39, 42, 45, 48, 51, 54, 57, 60, 63, 65, 66, 69, 70, 72, 75, 77, 78, 81, 84, 87, 90, 91, 93, 95, 96, 99, 102, 105, 108, 111, 114, 117, 120, 123, 126, 129, 130, 132, 133, 135, 138, 140, 141, 143, 144, 145, 147]

cp's OEIS Frontend

A328168 Numbers whose prime indices minus 1 are relatively prime.

Table of values

List of values

n	a(n)
1	3
2	6
3	9
4	12
5	15
6	18
7	21
8	24
9	27
10	30
11	33
12	35
13	36
14	39
15	42
16	45
17	48
18	51
19	54
20	57
21	60
22	63
23	65
24	66
25	69
26	70
27	72
28	75
29	77
30	78
31	81
32	84
33	87
34	90
35	91
36	93
37	95
38	96
39	99
40	102
41	105
42	108
43	111
44	114
45	117
46	120
47	123
48	126
49	129
50	130
51	132
52	133
53	135
54	138
55	140
56	141
57	143
58	144
59	145
60	147

n	a(n)
1	3
2	6
3	9
4	12
5	15
6	18
7	21
8	24
9	27
10	30
11	33
12	35
13	36
14	39
15	42
16	45
17	48
18	51
19	54
20	57
21	60
22	63
23	65
24	66
25	69
26	70
27	72
28	75
29	77
30	78
31	81
32	84
33	87
34	90
35	91
36	93
37	95
38	96
39	99
40	102
41	105
42	108
43	111
44	114
45	117
46	120
47	123
48	126
49	129
50	130
51	132
52	133
53	135
54	138
55	140
56	141
57	143
58	144
59	145
60	147

n	a(n)
1	3
2	6
3	9
4	12
5	15
6	18
7	21
8	24
9	27
10	30
11	33
12	35
13	36
14	39
15	42
16	45
17	48
18	51
19	54
20	57
21	60
22	63
23	65
24	66
25	69
26	70
27	72
28	75
29	77
30	78
31	81
32	84
33	87
34	90
35	91
36	93
37	95
38	96
39	99
40	102
41	105
42	108
43	111
44	114
45	117
46	120
47	123
48	126
49	129
50	130
51	132
52	133
53	135
54	138
55	140
56	141
57	143
58	144
59	145
60	147