A331912 - cp's OEIS frontend

A331912 Lexicographically earliest sequence of positive integers that have at most one distinct prime index already in the sequence.

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	7
7	8
8	9
9	11
10	13
11	16
12	17
13	19
14	23
15	25
16	26
17	27
18	29
19	31
20	32
21	37
22	39
23	41
24	43
25	47
26	49
27	52
28	53
29	58
30	59
31	61
32	64
33	65
34	67
35	71
36	73
37	74
38	79
39	81
40	83
41	86
42	87
43	89
44	91
45	94
46	97
47	101
48	103
49	104
50	107
51	109
52	111
53	113
54	116
55	117
56	121
57	122
58	125
59	127
60	128
61	129
62	131
63	137

[1, 2, 3, 4, 5, 7, 8, 9, 11, 13, 16, 17, 19, 23, 25, 26, 27, 29, 31, 32, 37, 39, 41, 43, 47, 49, 52, 53, 58, 59, 61, 64, 65, 67, 71, 73, 74, 79, 81, 83, 86, 87, 89, 91, 94, 97, 101, 103, 104, 107, 109, 111, 113, 116, 117, 121, 122, 125, 127, 128, 129, 131, 137]

cp's OEIS Frontend

A331912 Lexicographically earliest sequence of positive integers that have at most one distinct prime index already in the sequence.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	7
7	8
8	9
9	11
10	13
11	16
12	17
13	19
14	23
15	25
16	26
17	27
18	29
19	31
20	32
21	37
22	39
23	41
24	43
25	47
26	49
27	52
28	53
29	58
30	59
31	61
32	64
33	65
34	67
35	71
36	73
37	74
38	79
39	81
40	83
41	86
42	87
43	89
44	91
45	94
46	97
47	101
48	103
49	104
50	107
51	109
52	111
53	113
54	116
55	117
56	121
57	122
58	125
59	127
60	128
61	129
62	131
63	137

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	7
7	8
8	9
9	11
10	13
11	16
12	17
13	19
14	23
15	25
16	26
17	27
18	29
19	31
20	32
21	37
22	39
23	41
24	43
25	47
26	49
27	52
28	53
29	58
30	59
31	61
32	64
33	65
34	67
35	71
36	73
37	74
38	79
39	81
40	83
41	86
42	87
43	89
44	91
45	94
46	97
47	101
48	103
49	104
50	107
51	109
52	111
53	113
54	116
55	117
56	121
57	122
58	125
59	127
60	128
61	129
62	131
63	137

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	7
7	8
8	9
9	11
10	13
11	16
12	17
13	19
14	23
15	25
16	26
17	27
18	29
19	31
20	32
21	37
22	39
23	41
24	43
25	47
26	49
27	52
28	53
29	58
30	59
31	61
32	64
33	65
34	67
35	71
36	73
37	74
38	79
39	81
40	83
41	86
42	87
43	89
44	91
45	94
46	97
47	101
48	103
49	104
50	107
51	109
52	111
53	113
54	116
55	117
56	121
57	122
58	125
59	127
60	128
61	129
62	131
63	137