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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.

A278985 List of words of length n over an alphabet of size 3 that are in standard order.

Table of values

n a(n)
1 1
2 11
3 12
4 111
5 112
6 121
7 122
8 123
9 1111
10 1112
11 1121
12 1122
13 1123
14 1211
15 1212
16 1213
17 1221
18 1222
19 1223
20 1231
21 1232
22 1233
23 11111
24 11112
25 11121
26 11122
27 11123
28 11211
29 11212
30 11213
31 11221
32 11222
33 11223
34 11231
35 11232
36 11233
37 12111
38 12112
39 12113
40 12121
41 12122

List of values

[1, 11, 12, 111, 112, 121, 122, 123, 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, 12111, 12112, 12113, 12121, 12122]

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

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