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.

A048307 Numbers whose decimal expansions, read from left to right, have run lengths that strictly increase.

Table of values

n a(n)
0 0
1 1
2 2
3 3
4 4
5 5
6 6
7 7
8 8
9 9
10 11
11 22
12 33
13 44
14 55
15 66
16 77
17 88
18 99
19 100
20 111
21 122
22 133
23 144
24 155
25 166
26 177
27 188
28 199
29 200
30 211
31 222
32 233
33 244
34 255
35 266
36 277
37 288
38 299
39 300
40 311
41 322
42 333
43 344
44 355
45 366
46 377
47 388
48 399
49 400
50 411
51 422
52 433
53 444
54 455
55 466
56 477
57 488

List of values

[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 11, 22, 33, 44, 55, 66, 77, 88, 99, 100, 111, 122, 133, 144, 155, 166, 177, 188, 199, 200, 211, 222, 233, 244, 255, 266, 277, 288, 299, 300, 311, 322, 333, 344, 355, 366, 377, 388, 399, 400, 411, 422, 433, 444, 455, 466, 477, 488]