A058888 - cp's OEIS frontend

A058888 Number of terms in the set invphi(2*prime(n)), where prime(n) is the n-th prime.

n	a(n)
1	4
2	4
3	2
4	0
5	2
6	0
7	0
8	0
9	2
10	2
11	0
12	0
13	2
14	0
15	0
16	2
17	0
18	0
19	0
20	0
21	0
22	0
23	2
24	2
25	0
26	0
27	0
28	0
29	0
30	2
31	0
32	2
33	0
34	0
35	0
36	0
37	0
38	0
39	0
40	2
41	2
42	0
43	2
44	0
45	0
46	0
47	0
48	0
49	0
50	0
51	2
52	2
53	0
54	2
55	0
56	0
57	0
58	0
59	0
60	2
61	0
62	2
63	0
64	0
65	0
66	0
67	0
68	0
69	0
70	0
71	0
72	2
73	0
74	0
75	0
76	0
77	0
78	0
79	0
80	0
81	2
82	0
83	2
84	0
85	0
86	2
87	0
88	0
89	0
90	0
91	0
92	0
93	0
94	2
95	0
96	0
97	2
98	0
99	0
100	0
101	0
102	0
103	0
104	0
105	0

[4, 4, 2, 0, 2, 0, 0, 0, 2, 2, 0, 0, 2, 0, 0, 2, 0, 0, 0, 0, 0, 0, 2, 2, 0, 0, 0, 0, 0, 2, 0, 2, 0, 0, 0, 0, 0, 0, 0, 2, 2, 0, 2, 0, 0, 0, 0, 0, 0, 0, 2, 2, 0, 2, 0, 0, 0, 0, 0, 2, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 2, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0]

cp's OEIS Frontend

A058888 Number of terms in the set invphi(2*prime(n)), where prime(n) is the n-th prime.

Table of values

List of values

n	a(n)
1	4
2	4
3	2
4	0
5	2
6	0
7	0
8	0
9	2
10	2
11	0
12	0
13	2
14	0
15	0
16	2
17	0
18	0
19	0
20	0
21	0
22	0
23	2
24	2
25	0
26	0
27	0
28	0
29	0
30	2
31	0
32	2
33	0
34	0
35	0
36	0
37	0
38	0
39	0
40	2
41	2
42	0
43	2
44	0
45	0
46	0
47	0
48	0
49	0
50	0
51	2
52	2
53	0
54	2
55	0
56	0
57	0
58	0
59	0
60	2
61	0
62	2
63	0
64	0
65	0
66	0
67	0
68	0
69	0
70	0
71	0
72	2
73	0
74	0
75	0
76	0
77	0
78	0
79	0
80	0
81	2
82	0
83	2
84	0
85	0
86	2
87	0
88	0
89	0
90	0
91	0
92	0
93	0
94	2
95	0
96	0
97	2
98	0
99	0
100	0
101	0
102	0
103	0
104	0
105	0

n	a(n)
1	4
2	4
3	2
4	0
5	2
6	0
7	0
8	0
9	2
10	2
11	0
12	0
13	2
14	0
15	0
16	2
17	0
18	0
19	0
20	0
21	0
22	0
23	2
24	2
25	0
26	0
27	0
28	0
29	0
30	2
31	0
32	2
33	0
34	0
35	0
36	0
37	0
38	0
39	0
40	2
41	2
42	0
43	2
44	0
45	0
46	0
47	0
48	0
49	0
50	0
51	2
52	2
53	0
54	2
55	0
56	0
57	0
58	0
59	0
60	2
61	0
62	2
63	0
64	0
65	0
66	0
67	0
68	0
69	0
70	0
71	0
72	2
73	0
74	0
75	0
76	0
77	0
78	0
79	0
80	0
81	2
82	0
83	2
84	0
85	0
86	2
87	0
88	0
89	0
90	0
91	0
92	0
93	0
94	2
95	0
96	0
97	2
98	0
99	0
100	0
101	0
102	0
103	0
104	0
105	0

n	a(n)
1	4
2	4
3	2
4	0
5	2
6	0
7	0
8	0
9	2
10	2
11	0
12	0
13	2
14	0
15	0
16	2
17	0
18	0
19	0
20	0
21	0
22	0
23	2
24	2
25	0
26	0
27	0
28	0
29	0
30	2
31	0
32	2
33	0
34	0
35	0
36	0
37	0
38	0
39	0
40	2
41	2
42	0
43	2
44	0
45	0
46	0
47	0
48	0
49	0
50	0
51	2
52	2
53	0
54	2
55	0
56	0
57	0
58	0
59	0
60	2
61	0
62	2
63	0
64	0
65	0
66	0
67	0
68	0
69	0
70	0
71	0
72	2
73	0
74	0
75	0
76	0
77	0
78	0
79	0
80	0
81	2
82	0
83	2
84	0
85	0
86	2
87	0
88	0
89	0
90	0
91	0
92	0
93	0
94	2
95	0
96	0
97	2
98	0
99	0
100	0
101	0
102	0
103	0
104	0
105	0