A324697 - cp's OEIS frontend

A324697 Lexicographically earliest sequence of positive integers > 1 that are prime or whose prime indices already belong to the sequence.

n	a(n)
1	2
2	3
3	5
4	7
5	9
6	11
7	13
8	15
9	17
10	19
11	23
12	25
13	27
14	29
15	31
16	33
17	37
18	41
19	43
20	45
21	47
22	51
23	53
24	55
25	59
26	61
27	67
28	69
29	71
30	73
31	75
32	79
33	81
34	83
35	85
36	89
37	93
38	97
39	99
40	101
41	103
42	107
43	109
44	113
45	115
46	121
47	123
48	125
49	127
50	131
51	135
52	137
53	139
54	141
55	149
56	151
57	153
58	155
59	157
60	163
61	165

[2, 3, 5, 7, 9, 11, 13, 15, 17, 19, 23, 25, 27, 29, 31, 33, 37, 41, 43, 45, 47, 51, 53, 55, 59, 61, 67, 69, 71, 73, 75, 79, 81, 83, 85, 89, 93, 97, 99, 101, 103, 107, 109, 113, 115, 121, 123, 125, 127, 131, 135, 137, 139, 141, 149, 151, 153, 155, 157, 163, 165]

cp's OEIS Frontend

A324697 Lexicographically earliest sequence of positive integers > 1 that are prime or whose prime indices already belong to the sequence.

Table of values

List of values

n	a(n)
1	2
2	3
3	5
4	7
5	9
6	11
7	13
8	15
9	17
10	19
11	23
12	25
13	27
14	29
15	31
16	33
17	37
18	41
19	43
20	45
21	47
22	51
23	53
24	55
25	59
26	61
27	67
28	69
29	71
30	73
31	75
32	79
33	81
34	83
35	85
36	89
37	93
38	97
39	99
40	101
41	103
42	107
43	109
44	113
45	115
46	121
47	123
48	125
49	127
50	131
51	135
52	137
53	139
54	141
55	149
56	151
57	153
58	155
59	157
60	163
61	165

n	a(n)
1	2
2	3
3	5
4	7
5	9
6	11
7	13
8	15
9	17
10	19
11	23
12	25
13	27
14	29
15	31
16	33
17	37
18	41
19	43
20	45
21	47
22	51
23	53
24	55
25	59
26	61
27	67
28	69
29	71
30	73
31	75
32	79
33	81
34	83
35	85
36	89
37	93
38	97
39	99
40	101
41	103
42	107
43	109
44	113
45	115
46	121
47	123
48	125
49	127
50	131
51	135
52	137
53	139
54	141
55	149
56	151
57	153
58	155
59	157
60	163
61	165

n	a(n)
1	2
2	3
3	5
4	7
5	9
6	11
7	13
8	15
9	17
10	19
11	23
12	25
13	27
14	29
15	31
16	33
17	37
18	41
19	43
20	45
21	47
22	51
23	53
24	55
25	59
26	61
27	67
28	69
29	71
30	73
31	75
32	79
33	81
34	83
35	85
36	89
37	93
38	97
39	99
40	101
41	103
42	107
43	109
44	113
45	115
46	121
47	123
48	125
49	127
50	131
51	135
52	137
53	139
54	141
55	149
56	151
57	153
58	155
59	157
60	163
61	165