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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.

A138486 Say what you see in previous term, from the right, reporting total number for each digit encountered. Initial term is 2.

Table of values

n a(n)
0 2
1 12
2 1211
3 3112
4 122113
5 133122
6 222123
7 134211
8 31121413
9 23411412
10 22312413
11 23211432
12 32231421
13 21321423
14 23321421
15 21321423
16 23321421
17 21321423
18 23321421
19 21321423
20 23321421
21 21321423
22 23321421
23 21321423

List of values

[2, 12, 1211, 3112, 122113, 133122, 222123, 134211, 31121413, 23411412, 22312413, 23211432, 32231421, 21321423, 23321421, 21321423, 23321421, 21321423, 23321421, 21321423, 23321421, 21321423, 23321421, 21321423]

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

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