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.

A333183 Number of digits in concatenation of first n positive even integers.

Table of values

n a(n)
1 1
2 2
3 3
4 4
5 6
6 8
7 10
8 12
9 14
10 16
11 18
12 20
13 22
14 24
15 26
16 28
17 30
18 32
19 34
20 36
21 38
22 40
23 42
24 44
25 46
26 48
27 50
28 52
29 54
30 56
31 58
32 60
33 62
34 64
35 66
36 68
37 70
38 72
39 74
40 76
41 78
42 80
43 82
44 84
45 86
46 88
47 90
48 92
49 94
50 97
51 100
52 103
53 106
54 109
55 112
56 115
57 118
58 121
59 124
60 127
61 130
62 133
63 136
64 139
65 142
66 145
67 148
68 151
69 154

List of values

[1, 2, 3, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40, 42, 44, 46, 48, 50, 52, 54, 56, 58, 60, 62, 64, 66, 68, 70, 72, 74, 76, 78, 80, 82, 84, 86, 88, 90, 92, 94, 97, 100, 103, 106, 109, 112, 115, 118, 121, 124, 127, 130, 133, 136, 139, 142, 145, 148, 151, 154]