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.
n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 2 |
3 | 21 |
4 | 22 |
5 | 221 |
6 | 222 |
7 | 2221 |
8 | 2222 |
9 | 22221 |
10 | 22222 |
11 | 222221 |
12 | 222222 |
13 | 2222221 |
14 | 2222222 |
15 | 22222221 |
16 | 22222222 |
17 | 222222221 |
18 | 222222222 |
19 | 2222222221 |
20 | 2222222222 |
21 | 22222222221 |
22 | 22222222222 |
23 | 222222222221 |
24 | 222222222222 |
25 | 2222222222221 |
26 | 2222222222222 |
27 | 22222222222221 |