A087625 - cp's OEIS frontend

A087625 Number of primes in the ring Z_n.

n	a(n)
1	0
2	0
3	0
4	1
5	0
6	3
7	0
8	2
9	2
10	5
11	0
12	4
13	0
14	7
15	6
16	4
17	0
18	8
19	0
20	6
21	8
22	11
23	0
24	8
25	4
26	13
27	6
28	8
29	0
30	14
31	0
32	8
33	12
34	17
35	10
36	10
37	0
38	19
39	14
40	12
41	0
42	20
43	0
44	12
45	14
46	23
47	0
48	16
49	6
50	24
51	18
52	14
53	0
54	24
55	14
56	16
57	20
58	29
59	0
60	20
61	0
62	31
63	18
64	16
65	16
66	32
67	0
68	18
69	24
70	34
71	0
72	20
73	0
74	37
75	28
76	20
77	16
78	38
79	0
80	24
81	18
82	41
83	0
84	28
85	20
86	43
87	30
88	24
89	0
90	38
91	18
92	24
93	32
94	47
95	22
96	32
97	0
98	48

[0, 0, 0, 1, 0, 3, 0, 2, 2, 5, 0, 4, 0, 7, 6, 4, 0, 8, 0, 6, 8, 11, 0, 8, 4, 13, 6, 8, 0, 14, 0, 8, 12, 17, 10, 10, 0, 19, 14, 12, 0, 20, 0, 12, 14, 23, 0, 16, 6, 24, 18, 14, 0, 24, 14, 16, 20, 29, 0, 20, 0, 31, 18, 16, 16, 32, 0, 18, 24, 34, 0, 20, 0, 37, 28, 20, 16, 38, 0, 24, 18, 41, 0, 28, 20, 43, 30, 24, 0, 38, 18, 24, 32, 47, 22, 32, 0, 48]

cp's OEIS Frontend

A087625 Number of primes in the ring Z_n.

Table of values

List of values

n	a(n)
1	0
2	0
3	0
4	1
5	0
6	3
7	0
8	2
9	2
10	5
11	0
12	4
13	0
14	7
15	6
16	4
17	0
18	8
19	0
20	6
21	8
22	11
23	0
24	8
25	4
26	13
27	6
28	8
29	0
30	14
31	0
32	8
33	12
34	17
35	10
36	10
37	0
38	19
39	14
40	12
41	0
42	20
43	0
44	12
45	14
46	23
47	0
48	16
49	6
50	24
51	18
52	14
53	0
54	24
55	14
56	16
57	20
58	29
59	0
60	20
61	0
62	31
63	18
64	16
65	16
66	32
67	0
68	18
69	24
70	34
71	0
72	20
73	0
74	37
75	28
76	20
77	16
78	38
79	0
80	24
81	18
82	41
83	0
84	28
85	20
86	43
87	30
88	24
89	0
90	38
91	18
92	24
93	32
94	47
95	22
96	32
97	0
98	48

n	a(n)
1	0
2	0
3	0
4	1
5	0
6	3
7	0
8	2
9	2
10	5
11	0
12	4
13	0
14	7
15	6
16	4
17	0
18	8
19	0
20	6
21	8
22	11
23	0
24	8
25	4
26	13
27	6
28	8
29	0
30	14
31	0
32	8
33	12
34	17
35	10
36	10
37	0
38	19
39	14
40	12
41	0
42	20
43	0
44	12
45	14
46	23
47	0
48	16
49	6
50	24
51	18
52	14
53	0
54	24
55	14
56	16
57	20
58	29
59	0
60	20
61	0
62	31
63	18
64	16
65	16
66	32
67	0
68	18
69	24
70	34
71	0
72	20
73	0
74	37
75	28
76	20
77	16
78	38
79	0
80	24
81	18
82	41
83	0
84	28
85	20
86	43
87	30
88	24
89	0
90	38
91	18
92	24
93	32
94	47
95	22
96	32
97	0
98	48

n	a(n)
1	0
2	0
3	0
4	1
5	0
6	3
7	0
8	2
9	2
10	5
11	0
12	4
13	0
14	7
15	6
16	4
17	0
18	8
19	0
20	6
21	8
22	11
23	0
24	8
25	4
26	13
27	6
28	8
29	0
30	14
31	0
32	8
33	12
34	17
35	10
36	10
37	0
38	19
39	14
40	12
41	0
42	20
43	0
44	12
45	14
46	23
47	0
48	16
49	6
50	24
51	18
52	14
53	0
54	24
55	14
56	16
57	20
58	29
59	0
60	20
61	0
62	31
63	18
64	16
65	16
66	32
67	0
68	18
69	24
70	34
71	0
72	20
73	0
74	37
75	28
76	20
77	16
78	38
79	0
80	24
81	18
82	41
83	0
84	28
85	20
86	43
87	30
88	24
89	0
90	38
91	18
92	24
93	32
94	47
95	22
96	32
97	0
98	48