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) |
|---|---|
| 1 | 2 |
| 2 | 23 |
| 3 | 235 |
| 4 | 2356 |
| 5 | 23567 |
| 6 | 2356710 |
| 7 | 235671011 |
| 8 | 23567101113 |
| 9 | 2356710111314 |
| 10 | 235671011131415 |
| 11 | 23567101113141517 |
| 12 | 2356710111314151719 |
| 13 | 235671011131415171921 |
| 14 | 23567101113141517192122 |