A370822 - cp's OEIS frontend

A370822 Lexicographically earliest sequence of positive integers such that all equal terms appear at mutually coprime indices.

n	a(n)
1	1
2	1
3	1
4	2
5	1
6	3
7	1
8	4
9	2
10	5
11	1
12	6
13	1
14	7
15	4
16	8
17	1
18	9
19	1
20	10
21	5
22	11
23	1
24	12
25	2
26	13
27	7
28	14
29	1
30	15
31	1
32	16
33	8
34	17
35	3
36	18
37	1
38	19
39	10
40	20
41	1
42	21
43	1
44	22
45	11
46	23
47	1
48	24
49	2
50	25
51	13
52	26
53	1
54	27
55	6
56	28
57	14
58	29
59	1
60	30
61	1
62	31
63	16
64	32
65	7
66	33
67	1
68	34
69	17
70	35
71	1
72	36
73	1
74	37
75	19

[1, 1, 1, 2, 1, 3, 1, 4, 2, 5, 1, 6, 1, 7, 4, 8, 1, 9, 1, 10, 5, 11, 1, 12, 2, 13, 7, 14, 1, 15, 1, 16, 8, 17, 3, 18, 1, 19, 10, 20, 1, 21, 1, 22, 11, 23, 1, 24, 2, 25, 13, 26, 1, 27, 6, 28, 14, 29, 1, 30, 1, 31, 16, 32, 7, 33, 1, 34, 17, 35, 1, 36, 1, 37, 19]

cp's OEIS Frontend

A370822 Lexicographically earliest sequence of positive integers such that all equal terms appear at mutually coprime indices.

Table of values

List of values

n	a(n)
1	1
2	1
3	1
4	2
5	1
6	3
7	1
8	4
9	2
10	5
11	1
12	6
13	1
14	7
15	4
16	8
17	1
18	9
19	1
20	10
21	5
22	11
23	1
24	12
25	2
26	13
27	7
28	14
29	1
30	15
31	1
32	16
33	8
34	17
35	3
36	18
37	1
38	19
39	10
40	20
41	1
42	21
43	1
44	22
45	11
46	23
47	1
48	24
49	2
50	25
51	13
52	26
53	1
54	27
55	6
56	28
57	14
58	29
59	1
60	30
61	1
62	31
63	16
64	32
65	7
66	33
67	1
68	34
69	17
70	35
71	1
72	36
73	1
74	37
75	19

n	a(n)
1	1
2	1
3	1
4	2
5	1
6	3
7	1
8	4
9	2
10	5
11	1
12	6
13	1
14	7
15	4
16	8
17	1
18	9
19	1
20	10
21	5
22	11
23	1
24	12
25	2
26	13
27	7
28	14
29	1
30	15
31	1
32	16
33	8
34	17
35	3
36	18
37	1
38	19
39	10
40	20
41	1
42	21
43	1
44	22
45	11
46	23
47	1
48	24
49	2
50	25
51	13
52	26
53	1
54	27
55	6
56	28
57	14
58	29
59	1
60	30
61	1
62	31
63	16
64	32
65	7
66	33
67	1
68	34
69	17
70	35
71	1
72	36
73	1
74	37
75	19

n	a(n)
1	1
2	1
3	1
4	2
5	1
6	3
7	1
8	4
9	2
10	5
11	1
12	6
13	1
14	7
15	4
16	8
17	1
18	9
19	1
20	10
21	5
22	11
23	1
24	12
25	2
26	13
27	7
28	14
29	1
30	15
31	1
32	16
33	8
34	17
35	3
36	18
37	1
38	19
39	10
40	20
41	1
42	21
43	1
44	22
45	11
46	23
47	1
48	24
49	2
50	25
51	13
52	26
53	1
54	27
55	6
56	28
57	14
58	29
59	1
60	30
61	1
62	31
63	16
64	32
65	7
66	33
67	1
68	34
69	17
70	35
71	1
72	36
73	1
74	37
75	19