A058277 - cp's OEIS frontend

A058277 Number of values of k such that phi(k) = n, where n runs through the values (A002202) taken by phi.

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

[2, 3, 4, 4, 5, 2, 6, 6, 4, 5, 2, 10, 2, 2, 7, 8, 9, 4, 3, 2, 11, 2, 2, 3, 2, 9, 8, 2, 2, 17, 2, 10, 2, 6, 6, 3, 17, 4, 2, 3, 2, 9, 2, 6, 3, 17, 2, 9, 2, 7, 2, 2, 3, 21, 2, 2, 7, 12, 4, 3, 2, 12, 2, 8, 2, 10, 4, 2, 21, 2, 2, 8, 3, 4, 2, 3, 19, 5, 2, 8, 2, 2, 6, 2, 31, 2, 9, 10]

cp's OEIS Frontend

A058277 Number of values of k such that phi(k) = n, where n runs through the values (A002202) taken by phi.

Table of values

List of values

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

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

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