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 | 1 |
| 2 | 2 |
| 3 | 26 |
| 4 | 338 |
| 5 | 2054 |
| 6 | 4394 |
| 7 | 13282 |
| 8 | 26702 |
| 9 | 46306 |
| 10 | 57122 |
| 11 | 59566 |
| 12 | 162266 |
| 13 | 221446 |
| 14 | 347126 |
| 15 | 404293 |
| 16 | 742586 |
| 17 | 760318 |
| 18 | 1301638 |
| 19 | 2031406 |
| 20 | 2109458 |
| 21 | 2857114 |
| 22 | 4512638 |
| 23 | 4752982 |
| 24 | 8340826 |
| 25 | 8634886 |
| 26 | 9653618 |
| 27 | 10066654 |
| 28 | 12819014 |
| 29 | 19012162 |
| 30 | 21263026 |
| 31 | 25885054 |
| 32 | 27422954 |
| 33 | 34901542 |