A244796 - cp's OEIS frontend

A244796 Number of moduli m such that (prime(n) mod m) = 1.

n	a(n)
1	0
2	1
3	2
4	3
5	3
6	5
7	4
8	5
9	3
10	5
11	7
12	8
13	7
14	7
15	3
16	5
17	3
18	11
19	7
20	7
21	11
22	7
23	3
24	7
25	11
26	8
27	7
28	3
29	11
30	9
31	11
32	7
33	7
34	7
35	5
36	11
37	11
38	9
39	3
40	5
41	3
42	17
43	7
44	13
45	8
46	11
47	15
48	7
49	3
50	11
51	7
52	7
53	19
54	7
55	8
56	3
57	5
58	15
59	11
60	15
61	7
62	5
63	11
64	7
65	15
66	5
67	15
68	19
69	3
70	11
71	11
72	3
73	7
74	11
75	15
76	3
77	5
78	17

[0, 1, 2, 3, 3, 5, 4, 5, 3, 5, 7, 8, 7, 7, 3, 5, 3, 11, 7, 7, 11, 7, 3, 7, 11, 8, 7, 3, 11, 9, 11, 7, 7, 7, 5, 11, 11, 9, 3, 5, 3, 17, 7, 13, 8, 11, 15, 7, 3, 11, 7, 7, 19, 7, 8, 3, 5, 15, 11, 15, 7, 5, 11, 7, 15, 5, 15, 19, 3, 11, 11, 3, 7, 11, 15, 3, 5, 17]

cp's OEIS Frontend

A244796 Number of moduli m such that (prime(n) mod m) = 1.

Table of values

List of values

n	a(n)
1	0
2	1
3	2
4	3
5	3
6	5
7	4
8	5
9	3
10	5
11	7
12	8
13	7
14	7
15	3
16	5
17	3
18	11
19	7
20	7
21	11
22	7
23	3
24	7
25	11
26	8
27	7
28	3
29	11
30	9
31	11
32	7
33	7
34	7
35	5
36	11
37	11
38	9
39	3
40	5
41	3
42	17
43	7
44	13
45	8
46	11
47	15
48	7
49	3
50	11
51	7
52	7
53	19
54	7
55	8
56	3
57	5
58	15
59	11
60	15
61	7
62	5
63	11
64	7
65	15
66	5
67	15
68	19
69	3
70	11
71	11
72	3
73	7
74	11
75	15
76	3
77	5
78	17

n	a(n)
1	0
2	1
3	2
4	3
5	3
6	5
7	4
8	5
9	3
10	5
11	7
12	8
13	7
14	7
15	3
16	5
17	3
18	11
19	7
20	7
21	11
22	7
23	3
24	7
25	11
26	8
27	7
28	3
29	11
30	9
31	11
32	7
33	7
34	7
35	5
36	11
37	11
38	9
39	3
40	5
41	3
42	17
43	7
44	13
45	8
46	11
47	15
48	7
49	3
50	11
51	7
52	7
53	19
54	7
55	8
56	3
57	5
58	15
59	11
60	15
61	7
62	5
63	11
64	7
65	15
66	5
67	15
68	19
69	3
70	11
71	11
72	3
73	7
74	11
75	15
76	3
77	5
78	17

n	a(n)
1	0
2	1
3	2
4	3
5	3
6	5
7	4
8	5
9	3
10	5
11	7
12	8
13	7
14	7
15	3
16	5
17	3
18	11
19	7
20	7
21	11
22	7
23	3
24	7
25	11
26	8
27	7
28	3
29	11
30	9
31	11
32	7
33	7
34	7
35	5
36	11
37	11
38	9
39	3
40	5
41	3
42	17
43	7
44	13
45	8
46	11
47	15
48	7
49	3
50	11
51	7
52	7
53	19
54	7
55	8
56	3
57	5
58	15
59	11
60	15
61	7
62	5
63	11
64	7
65	15
66	5
67	15
68	19
69	3
70	11
71	11
72	3
73	7
74	11
75	15
76	3
77	5
78	17