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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.

A291075 Trajectory of the word "211" under the Watanabe tag system {11, 2122} described in A291067 (adapted to the alphabet {1,2}).

Table of values

n a(n)
1 211
2 2122
3 22122
4 222122
5 1222122
6 212211
7 2112122
8 21222122
9 221222122
10 2221222122
11 12221222122
12 2122212211
13 22122112122
14 221121222122
15 1212221222122
16 222122212211
17 1222122112122
18 212211212211
19 2112122112122
20 21221121222122
21 211212221222122
22 2122212221222122

List of values

[211, 2122, 22122, 222122, 1222122, 212211, 2112122, 21222122, 221222122, 2221222122, 12221222122, 2122212211, 22122112122, 221121222122, 1212221222122, 222122212211, 1222122112122, 212211212211, 2112122112122, 21221121222122, 211212221222122, 2122212221222122]

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

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