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.

A095413 Total number of decimal digits of all distinct prime factors of the n-th repunit.

Table of values

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

List of values

[0, 2, 3, 5, 5, 8, 7, 10, 9, 11, 11, 15, 13, 15, 17, 19, 17, 21, 19, 23, 24, 23, 23, 28, 27, 28, 27, 32, 30, 36, 31, 37, 35, 37, 38, 40, 38, 39, 40, 45, 42, 48, 45, 48, 48, 49, 47, 53, 50, 54, 54, 56, 55, 58, 58, 62, 60, 61, 59, 69, 63, 63, 69, 70, 67, 71, 67]