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.

A239018 Non-primitive words on {1,2,3}.

Table of values

n a(n)
1 11
2 22
3 33
4 111
5 222
6 333
7 1111
8 1212
9 1313
10 2121
11 2222
12 2323
13 3131
14 3232
15 3333
16 11111
17 22222
18 33333
19 111111
20 112112
21 113113
22 121121
23 121212
24 122122
25 123123
26 131131
27 131313
28 132132
29 133133
30 211211
31 212121
32 212212
33 213213
34 221221
35 222222
36 223223
37 231231
38 232232
39 232323
40 233233
41 311311
42 312312
43 313131
44 313313

List of values

[11, 22, 33, 111, 222, 333, 1111, 1212, 1313, 2121, 2222, 2323, 3131, 3232, 3333, 11111, 22222, 33333, 111111, 112112, 113113, 121121, 121212, 122122, 123123, 131131, 131313, 132132, 133133, 211211, 212121, 212212, 213213, 221221, 222222, 223223, 231231, 232232, 232323, 233233, 311311, 312312, 313131, 313313]

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

Content is available under The OEIS End-User License Agreement.