A063740 - cp's OEIS frontend

A063740 Number of integers k such that cototient(k) = n.

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

[1, 1, 2, 1, 1, 2, 3, 2, 0, 2, 3, 2, 1, 2, 3, 3, 1, 3, 1, 3, 1, 4, 4, 3, 0, 4, 1, 4, 3, 3, 4, 3, 0, 5, 2, 2, 1, 4, 1, 5, 1, 4, 2, 4, 2, 6, 5, 5, 0, 3, 0, 6, 2, 4, 2, 5, 0, 7, 4, 3, 1, 8, 4, 6, 1, 3, 1, 5, 2, 7, 3, 5, 1, 7, 1, 8, 1, 5, 2, 6, 1, 9, 2, 6, 0, 4, 2, 10, 2, 4, 2, 5, 2, 7, 5, 4, 1, 8, 0, 9, 1, 6, 1, 7]

cp's OEIS Frontend

A063740 Number of integers k such that cototient(k) = n.

Table of values

List of values

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

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

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