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.

A273977 Words over an alphabet of size 9 that are in standard order with at least one letter repeated.

Table of values

n a(n)
1 11
2 111
3 112
4 121
5 122
6 1111
7 1112
8 1121
9 1122
10 1123
11 1211
12 1212
13 1213
14 1221
15 1222
16 1223
17 1231
18 1232
19 1233
20 11111
21 11112
22 11121
23 11122
24 11123
25 11211
26 11212
27 11213
28 11221
29 11222
30 11223
31 11231
32 11232
33 11233
34 11234
35 12111
36 12112
37 12113
38 12121
39 12122
40 12123
41 12131
42 12132
43 12133
44 12134
45 12211
46 12212

List of values

[11, 111, 112, 121, 122, 1111, 1112, 1121, 1122, 1123, 1211, 1212, 1213, 1221, 1222, 1223, 1231, 1232, 1233, 11111, 11112, 11121, 11122, 11123, 11211, 11212, 11213, 11221, 11222, 11223, 11231, 11232, 11233, 11234, 12111, 12112, 12113, 12121, 12122, 12123, 12131, 12132, 12133, 12134, 12211, 12212]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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