A352950 - cp's OEIS frontend

A352950 Lexicographically earliest infinite sequence of distinct nonnegative integers commencing 1,3,5,7 such that any four consecutive terms are pairwise coprime.

n	a(n)
1	1
2	3
3	5
4	7
5	2
6	9
7	11
8	13
9	4
10	15
11	17
12	19
13	8
14	21
15	23
16	25
17	16
18	27
19	29
20	31
21	10
22	33
23	37
24	41
25	14
26	39
27	43
28	47
29	20
30	49
31	51
32	53
33	22
34	35
35	57
36	59
37	26
38	55
39	61
40	63
41	32
42	65
43	67
44	69
45	28
46	71
47	73
48	45
49	34
50	77
51	79
52	75
53	38
54	83
55	89
56	81
57	40
58	91
59	97
60	87
61	44
62	85
63	101
64	93
65	46
66	95
67	103
68	99
69	52
70	107
71	109
72	105

[1, 3, 5, 7, 2, 9, 11, 13, 4, 15, 17, 19, 8, 21, 23, 25, 16, 27, 29, 31, 10, 33, 37, 41, 14, 39, 43, 47, 20, 49, 51, 53, 22, 35, 57, 59, 26, 55, 61, 63, 32, 65, 67, 69, 28, 71, 73, 45, 34, 77, 79, 75, 38, 83, 89, 81, 40, 91, 97, 87, 44, 85, 101, 93, 46, 95, 103, 99, 52, 107, 109, 105]

cp's OEIS Frontend

A352950 Lexicographically earliest infinite sequence of distinct nonnegative integers commencing 1,3,5,7 such that any four consecutive terms are pairwise coprime.

Table of values

List of values

n	a(n)
1	1
2	3
3	5
4	7
5	2
6	9
7	11
8	13
9	4
10	15
11	17
12	19
13	8
14	21
15	23
16	25
17	16
18	27
19	29
20	31
21	10
22	33
23	37
24	41
25	14
26	39
27	43
28	47
29	20
30	49
31	51
32	53
33	22
34	35
35	57
36	59
37	26
38	55
39	61
40	63
41	32
42	65
43	67
44	69
45	28
46	71
47	73
48	45
49	34
50	77
51	79
52	75
53	38
54	83
55	89
56	81
57	40
58	91
59	97
60	87
61	44
62	85
63	101
64	93
65	46
66	95
67	103
68	99
69	52
70	107
71	109
72	105

n	a(n)
1	1
2	3
3	5
4	7
5	2
6	9
7	11
8	13
9	4
10	15
11	17
12	19
13	8
14	21
15	23
16	25
17	16
18	27
19	29
20	31
21	10
22	33
23	37
24	41
25	14
26	39
27	43
28	47
29	20
30	49
31	51
32	53
33	22
34	35
35	57
36	59
37	26
38	55
39	61
40	63
41	32
42	65
43	67
44	69
45	28
46	71
47	73
48	45
49	34
50	77
51	79
52	75
53	38
54	83
55	89
56	81
57	40
58	91
59	97
60	87
61	44
62	85
63	101
64	93
65	46
66	95
67	103
68	99
69	52
70	107
71	109
72	105

n	a(n)
1	1
2	3
3	5
4	7
5	2
6	9
7	11
8	13
9	4
10	15
11	17
12	19
13	8
14	21
15	23
16	25
17	16
18	27
19	29
20	31
21	10
22	33
23	37
24	41
25	14
26	39
27	43
28	47
29	20
30	49
31	51
32	53
33	22
34	35
35	57
36	59
37	26
38	55
39	61
40	63
41	32
42	65
43	67
44	69
45	28
46	71
47	73
48	45
49	34
50	77
51	79
52	75
53	38
54	83
55	89
56	81
57	40
58	91
59	97
60	87
61	44
62	85
63	101
64	93
65	46
66	95
67	103
68	99
69	52
70	107
71	109
72	105