A307603 - cp's OEIS frontend

A307603 Lexicographically earliest sequence with no duplicate term that produces only primes by the rounding technique explained in the Comments section.

n	a(n)
1	1
2	5
3	2
4	3
5	4
6	6
7	7
8	10
9	52
10	53
11	11
12	12
13	58
14	59
15	13
16	16
17	60
18	61
19	17
20	18
21	66
22	67
23	19
24	22
25	70
26	71
27	23
28	28
29	72
30	73
31	29
32	30
33	78
34	79
35	31
36	36
37	82
38	83
39	37
40	40
41	88
42	89
43	41
44	42
45	96
46	97
47	43
48	46
49	502
50	503
51	47
52	100
53	508
54	509
55	101
56	102
57	520
58	521
59	103
60	106
61	522
62	523
63	107
64	108
65	540
66	541
67	109
68	112
69	546
70	547
71	113
72	126
73	556
74	557
75	127
76	130
77	562

[1, 5, 2, 3, 4, 6, 7, 10, 52, 53, 11, 12, 58, 59, 13, 16, 60, 61, 17, 18, 66, 67, 19, 22, 70, 71, 23, 28, 72, 73, 29, 30, 78, 79, 31, 36, 82, 83, 37, 40, 88, 89, 41, 42, 96, 97, 43, 46, 502, 503, 47, 100, 508, 509, 101, 102, 520, 521, 103, 106, 522, 523, 107, 108, 540, 541, 109, 112, 546, 547, 113, 126, 556, 557, 127, 130, 562]

cp's OEIS Frontend

A307603 Lexicographically earliest sequence with no duplicate term that produces only primes by the rounding technique explained in the Comments section.

Table of values

List of values

n	a(n)
1	1
2	5
3	2
4	3
5	4
6	6
7	7
8	10
9	52
10	53
11	11
12	12
13	58
14	59
15	13
16	16
17	60
18	61
19	17
20	18
21	66
22	67
23	19
24	22
25	70
26	71
27	23
28	28
29	72
30	73
31	29
32	30
33	78
34	79
35	31
36	36
37	82
38	83
39	37
40	40
41	88
42	89
43	41
44	42
45	96
46	97
47	43
48	46
49	502
50	503
51	47
52	100
53	508
54	509
55	101
56	102
57	520
58	521
59	103
60	106
61	522
62	523
63	107
64	108
65	540
66	541
67	109
68	112
69	546
70	547
71	113
72	126
73	556
74	557
75	127
76	130
77	562

n	a(n)
1	1
2	5
3	2
4	3
5	4
6	6
7	7
8	10
9	52
10	53
11	11
12	12
13	58
14	59
15	13
16	16
17	60
18	61
19	17
20	18
21	66
22	67
23	19
24	22
25	70
26	71
27	23
28	28
29	72
30	73
31	29
32	30
33	78
34	79
35	31
36	36
37	82
38	83
39	37
40	40
41	88
42	89
43	41
44	42
45	96
46	97
47	43
48	46
49	502
50	503
51	47
52	100
53	508
54	509
55	101
56	102
57	520
58	521
59	103
60	106
61	522
62	523
63	107
64	108
65	540
66	541
67	109
68	112
69	546
70	547
71	113
72	126
73	556
74	557
75	127
76	130
77	562

n	a(n)
1	1
2	5
3	2
4	3
5	4
6	6
7	7
8	10
9	52
10	53
11	11
12	12
13	58
14	59
15	13
16	16
17	60
18	61
19	17
20	18
21	66
22	67
23	19
24	22
25	70
26	71
27	23
28	28
29	72
30	73
31	29
32	30
33	78
34	79
35	31
36	36
37	82
38	83
39	37
40	40
41	88
42	89
43	41
44	42
45	96
46	97
47	43
48	46
49	502
50	503
51	47
52	100
53	508
54	509
55	101
56	102
57	520
58	521
59	103
60	106
61	522
62	523
63	107
64	108
65	540
66	541
67	109
68	112
69	546
70	547
71	113
72	126
73	556
74	557
75	127
76	130
77	562