cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A361967 Number of numbers k such that uphi(k) = n, where uphi is the unitary totient function (A047994).

Table of values

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

List of values

[2, 2, 1, 2, 0, 3, 1, 4, 0, 2, 0, 5, 0, 1, 1, 2, 0, 3, 0, 2, 0, 2, 0, 8, 0, 2, 0, 3, 0, 4, 1, 4, 0, 0, 0, 6, 0, 0, 0, 4, 0, 3, 0, 2, 0, 2, 0, 11, 0, 0, 0, 2, 0, 1, 0, 4, 0, 2, 0, 8, 0, 1, 1, 2, 0, 3, 0, 0, 0, 3, 0, 11, 0, 0, 0, 0, 0, 3, 0, 8, 0, 2, 0, 5, 0, 0, 0]