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.

A058656 a(n) = gcd(n+1, phi(n)).

Table of values

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

List of values

[1, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 3, 8, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 3, 2, 1, 2, 1, 2, 1, 2, 1, 12, 1, 2, 3, 8, 1, 2, 1, 2, 5, 2, 1, 2, 1, 2, 1, 4, 1, 2, 1, 8, 3, 2, 1, 2, 1, 2, 3, 4, 1, 6, 1, 2, 1, 2, 1, 2, 1, 2, 3, 4, 1, 6, 1, 2, 1, 2, 1, 2, 1, 2, 3, 8, 1, 2, 1, 4, 1, 2, 1, 24, 1, 2, 3, 20, 1, 2, 1]