A132952 - cp's OEIS frontend

A132952 a(n) is the number of isolated totatives of n.

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

[0, 1, 0, 2, 0, 2, 0, 4, 0, 4, 0, 4, 0, 6, 2, 8, 0, 6, 0, 8, 2, 10, 0, 8, 0, 12, 0, 12, 0, 8, 0, 16, 2, 16, 2, 12, 0, 18, 2, 16, 0, 12, 0, 20, 6, 22, 0, 16, 0, 20, 2, 24, 0, 18, 2, 24, 2, 28, 0, 16, 0, 30, 6, 32, 2, 20, 0, 32, 2, 24, 0, 24, 0, 36, 10, 36, 2, 24, 0, 32, 0, 40, 0, 24, 2, 42, 2, 40, 0]

cp's OEIS Frontend

A132952 a(n) is the number of isolated totatives of n.

Table of values

List of values

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

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

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