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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.

A023989 Look and Say sequence: describe the previous term! (method C - initial term is 2).

Table of values

n a(n)
0 2
1 12
2 1112
3 3112
4 211213
5 312213
6 212223
7 114213
8 31121314
9 41122314
10 31221324
11 21322314
12 21322314
13 21322314
14 21322314
15 21322314
16 21322314
17 21322314
18 21322314
19 21322314
20 21322314
21 21322314
22 21322314
23 21322314
24 21322314
25 21322314
26 21322314
27 21322314
28 21322314

List of values

[2, 12, 1112, 3112, 211213, 312213, 212223, 114213, 31121314, 41122314, 31221324, 21322314, 21322314, 21322314, 21322314, 21322314, 21322314, 21322314, 21322314, 21322314, 21322314, 21322314, 21322314, 21322314, 21322314, 21322314, 21322314, 21322314, 21322314]

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

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