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.

A033008 Every run of digits of n in base 10 has length 2.

Table of values

n a(n)
1 11
2 22
3 33
4 44
5 55
6 66
7 77
8 88
9 99
10 1100
11 1122
12 1133
13 1144
14 1155
15 1166
16 1177
17 1188
18 1199
19 2200
20 2211
21 2233
22 2244
23 2255
24 2266
25 2277
26 2288
27 2299
28 3300
29 3311
30 3322
31 3344
32 3355
33 3366
34 3377
35 3388
36 3399
37 4400
38 4411
39 4422
40 4433

List of values

[11, 22, 33, 44, 55, 66, 77, 88, 99, 1100, 1122, 1133, 1144, 1155, 1166, 1177, 1188, 1199, 2200, 2211, 2233, 2244, 2255, 2266, 2277, 2288, 2299, 3300, 3311, 3322, 3344, 3355, 3366, 3377, 3388, 3399, 4400, 4411, 4422, 4433]