A345938 - cp's OEIS frontend

A345938 a(n) = uphi(n) / gcd(n-1, uphi(n)), where uphi is unitary totient (or unitary phi) function, A047994.

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	2
7	1
8	1
9	1
10	4
11	1
12	6
13	1
14	6
15	4
16	1
17	1
18	8
19	1
20	12
21	3
22	10
23	1
24	14
25	1
26	12
27	1
28	2
29	1
30	8
31	1
32	1
33	5
34	16
35	12
36	24
37	1
38	18
39	12
40	28
41	1
42	12
43	1
44	30
45	8
46	22
47	1
48	30
49	1
50	24
51	16
52	12
53	1
54	26
55	20
56	42
57	9
58	28
59	1
60	24
61	1
62	30
63	24
64	1
65	3
66	4
67	1
68	48
69	11
70	8
71	1
72	56
73	1
74	36
75	24
76	18
77	15
78	24
79	1
80	60
81	1
82	40
83	1
84	36
85	16
86	42
87	28
88	70
89	1
90	32
91	4
92	66
93	15

[1, 1, 1, 1, 1, 2, 1, 1, 1, 4, 1, 6, 1, 6, 4, 1, 1, 8, 1, 12, 3, 10, 1, 14, 1, 12, 1, 2, 1, 8, 1, 1, 5, 16, 12, 24, 1, 18, 12, 28, 1, 12, 1, 30, 8, 22, 1, 30, 1, 24, 16, 12, 1, 26, 20, 42, 9, 28, 1, 24, 1, 30, 24, 1, 3, 4, 1, 48, 11, 8, 1, 56, 1, 36, 24, 18, 15, 24, 1, 60, 1, 40, 1, 36, 16, 42, 28, 70, 1, 32, 4, 66, 15]

cp's OEIS Frontend

A345938 a(n) = uphi(n) / gcd(n-1, uphi(n)), where uphi is unitary totient (or unitary phi) function, A047994.

Table of values

List of values

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	2
7	1
8	1
9	1
10	4
11	1
12	6
13	1
14	6
15	4
16	1
17	1
18	8
19	1
20	12
21	3
22	10
23	1
24	14
25	1
26	12
27	1
28	2
29	1
30	8
31	1
32	1
33	5
34	16
35	12
36	24
37	1
38	18
39	12
40	28
41	1
42	12
43	1
44	30
45	8
46	22
47	1
48	30
49	1
50	24
51	16
52	12
53	1
54	26
55	20
56	42
57	9
58	28
59	1
60	24
61	1
62	30
63	24
64	1
65	3
66	4
67	1
68	48
69	11
70	8
71	1
72	56
73	1
74	36
75	24
76	18
77	15
78	24
79	1
80	60
81	1
82	40
83	1
84	36
85	16
86	42
87	28
88	70
89	1
90	32
91	4
92	66
93	15

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	2
7	1
8	1
9	1
10	4
11	1
12	6
13	1
14	6
15	4
16	1
17	1
18	8
19	1
20	12
21	3
22	10
23	1
24	14
25	1
26	12
27	1
28	2
29	1
30	8
31	1
32	1
33	5
34	16
35	12
36	24
37	1
38	18
39	12
40	28
41	1
42	12
43	1
44	30
45	8
46	22
47	1
48	30
49	1
50	24
51	16
52	12
53	1
54	26
55	20
56	42
57	9
58	28
59	1
60	24
61	1
62	30
63	24
64	1
65	3
66	4
67	1
68	48
69	11
70	8
71	1
72	56
73	1
74	36
75	24
76	18
77	15
78	24
79	1
80	60
81	1
82	40
83	1
84	36
85	16
86	42
87	28
88	70
89	1
90	32
91	4
92	66
93	15

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	2
7	1
8	1
9	1
10	4
11	1
12	6
13	1
14	6
15	4
16	1
17	1
18	8
19	1
20	12
21	3
22	10
23	1
24	14
25	1
26	12
27	1
28	2
29	1
30	8
31	1
32	1
33	5
34	16
35	12
36	24
37	1
38	18
39	12
40	28
41	1
42	12
43	1
44	30
45	8
46	22
47	1
48	30
49	1
50	24
51	16
52	12
53	1
54	26
55	20
56	42
57	9
58	28
59	1
60	24
61	1
62	30
63	24
64	1
65	3
66	4
67	1
68	48
69	11
70	8
71	1
72	56
73	1
74	36
75	24
76	18
77	15
78	24
79	1
80	60
81	1
82	40
83	1
84	36
85	16
86	42
87	28
88	70
89	1
90	32
91	4
92	66
93	15