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.

A291266 Numbers that contain at least 3 identical digits.

Table of values

n a(n)
1 111
2 222
3 333
4 444
5 555
6 666
7 777
8 888
9 999
10 1000
11 1011
12 1101
13 1110
14 1111
15 1112
16 1113
17 1114
18 1115
19 1116
20 1117
21 1118
22 1119
23 1121
24 1131
25 1141
26 1151
27 1161
28 1171
29 1181
30 1191
31 1211
32 1222
33 1311
34 1333
35 1411
36 1444
37 1511
38 1555
39 1611
40 1666
41 1711
42 1777
43 1811
44 1888
45 1911
46 1999
47 2000
48 2022
49 2111
50 2122
51 2202
52 2212
53 2220
54 2221
55 2222
56 2223

List of values

[111, 222, 333, 444, 555, 666, 777, 888, 999, 1000, 1011, 1101, 1110, 1111, 1112, 1113, 1114, 1115, 1116, 1117, 1118, 1119, 1121, 1131, 1141, 1151, 1161, 1171, 1181, 1191, 1211, 1222, 1311, 1333, 1411, 1444, 1511, 1555, 1611, 1666, 1711, 1777, 1811, 1888, 1911, 1999, 2000, 2022, 2111, 2122, 2202, 2212, 2220, 2221, 2222, 2223]