A124330 - cp's OEIS frontend

A124330 a(n)= ((d(n) mod phi(n)) +1)th positive integer which is coprime to n, where phi(n) is number of positive integers which are <= n and are coprime to n and d(n) is the number of positive divisors of n.

n	a(n)
1	1
2	1
3	1
4	3
5	3
6	1
7	3
8	1
9	5
10	1
11	3
12	7
13	3
14	11
15	8
16	11
17	3
18	1
19	3
20	17
21	8
22	9
23	3
24	1
25	4
26	9
27	7
28	15
29	3
30	1
31	3
32	13
33	7
34	9
35	6
36	29
37	3
38	9
39	7
40	21
41	3
42	29
43	3
44	15
45	13
46	9
47	3
48	31
49	4
50	17
51	7
52	15
53	3
54	25
55	6
56	19
57	7
58	9
59	3
60	47
61	3
62	9
63	11
64	15
65	6
66	29
67	3
68	13
69	7
70	27
71	3
72	37
73	3
74	9
75	13
76	13
77	5
78	29
79	3
80	27
81	8
82	9
83	3
84	43
85	6
86	9
87	7
88	19
89	3
90	47
91	5

[1, 1, 1, 3, 3, 1, 3, 1, 5, 1, 3, 7, 3, 11, 8, 11, 3, 1, 3, 17, 8, 9, 3, 1, 4, 9, 7, 15, 3, 1, 3, 13, 7, 9, 6, 29, 3, 9, 7, 21, 3, 29, 3, 15, 13, 9, 3, 31, 4, 17, 7, 15, 3, 25, 6, 19, 7, 9, 3, 47, 3, 9, 11, 15, 6, 29, 3, 13, 7, 27, 3, 37, 3, 9, 13, 13, 5, 29, 3, 27, 8, 9, 3, 43, 6, 9, 7, 19, 3, 47, 5]

cp's OEIS Frontend

A124330 a(n)= ((d(n) mod phi(n)) +1)th positive integer which is coprime to n, where phi(n) is number of positive integers which are <= n and are coprime to n and d(n) is the number of positive divisors of n.

Table of values

List of values

n	a(n)
1	1
2	1
3	1
4	3
5	3
6	1
7	3
8	1
9	5
10	1
11	3
12	7
13	3
14	11
15	8
16	11
17	3
18	1
19	3
20	17
21	8
22	9
23	3
24	1
25	4
26	9
27	7
28	15
29	3
30	1
31	3
32	13
33	7
34	9
35	6
36	29
37	3
38	9
39	7
40	21
41	3
42	29
43	3
44	15
45	13
46	9
47	3
48	31
49	4
50	17
51	7
52	15
53	3
54	25
55	6
56	19
57	7
58	9
59	3
60	47
61	3
62	9
63	11
64	15
65	6
66	29
67	3
68	13
69	7
70	27
71	3
72	37
73	3
74	9
75	13
76	13
77	5
78	29
79	3
80	27
81	8
82	9
83	3
84	43
85	6
86	9
87	7
88	19
89	3
90	47
91	5

n	a(n)
1	1
2	1
3	1
4	3
5	3
6	1
7	3
8	1
9	5
10	1
11	3
12	7
13	3
14	11
15	8
16	11
17	3
18	1
19	3
20	17
21	8
22	9
23	3
24	1
25	4
26	9
27	7
28	15
29	3
30	1
31	3
32	13
33	7
34	9
35	6
36	29
37	3
38	9
39	7
40	21
41	3
42	29
43	3
44	15
45	13
46	9
47	3
48	31
49	4
50	17
51	7
52	15
53	3
54	25
55	6
56	19
57	7
58	9
59	3
60	47
61	3
62	9
63	11
64	15
65	6
66	29
67	3
68	13
69	7
70	27
71	3
72	37
73	3
74	9
75	13
76	13
77	5
78	29
79	3
80	27
81	8
82	9
83	3
84	43
85	6
86	9
87	7
88	19
89	3
90	47
91	5

n	a(n)
1	1
2	1
3	1
4	3
5	3
6	1
7	3
8	1
9	5
10	1
11	3
12	7
13	3
14	11
15	8
16	11
17	3
18	1
19	3
20	17
21	8
22	9
23	3
24	1
25	4
26	9
27	7
28	15
29	3
30	1
31	3
32	13
33	7
34	9
35	6
36	29
37	3
38	9
39	7
40	21
41	3
42	29
43	3
44	15
45	13
46	9
47	3
48	31
49	4
50	17
51	7
52	15
53	3
54	25
55	6
56	19
57	7
58	9
59	3
60	47
61	3
62	9
63	11
64	15
65	6
66	29
67	3
68	13
69	7
70	27
71	3
72	37
73	3
74	9
75	13
76	13
77	5
78	29
79	3
80	27
81	8
82	9
83	3
84	43
85	6
86	9
87	7
88	19
89	3
90	47
91	5