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.

A219545 Integer values of sigma(n)/n that are prime.

Table of values

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

List of values

[2, 2, 3, 2, 3, 2, 3, 2, 3, 3, 2, 5, 5, 3, 2, 5, 5, 5, 5, 5, 5, 2, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 5, 7, 2, 5, 5, 7, 5, 5, 5, 7, 7, 7, 7, 5, 5, 7, 7, 7, 7, 5, 7, 7, 7, 7, 7, 7, 7, 7]