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.

A056692 Number of divisors k of n with gcd(k-1, n) = 1.

Table of values

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

List of values

[1, 1, 1, 2, 1, 2, 1, 3, 2, 2, 1, 3, 1, 2, 3, 4, 1, 3, 1, 4, 2, 2, 1, 5, 2, 2, 3, 4, 1, 2, 1, 5, 3, 2, 3, 5, 1, 2, 2, 6, 1, 4, 1, 4, 5, 2, 1, 6, 2, 3, 3, 4, 1, 4, 2, 5, 2, 2, 1, 5, 1, 2, 4, 6, 3, 3, 1, 4, 3, 4, 1, 8, 1, 2, 4, 4, 3, 4, 1, 7, 4, 2, 1, 6, 3, 2, 3, 6, 1, 4, 3, 4, 2, 2, 3, 8, 1, 3, 5, 6, 1, 3, 1, 6, 4]