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 | 473268 |
| 2 | 726761 |
| 3 | 1773440 |
| 4 | 1808829 |
| 5 | 1919129 |
| 6 | 2131584 |
| 7 | 2165421 |
| 8 | 2339972 |
| 9 | 2390653 |
| 10 | 2518489 |
| 11 | 2802592 |
| 12 | 2844915 |
| 13 | 2982585 |
| 14 | 2996185 |
| 15 | 3183264 |
| 16 | 3193176 |
| 17 | 3250987 |
| 18 | 3418186 |
| 19 | 3428242 |
| 20 | 3633473 |
| 21 | 3909325 |
| 22 | 3953450 |
| 23 | 4280456 |
| 24 | 4303820 |
| 25 | 4373400 |
| 26 | 4658286 |
| 27 | 4728654 |
| 28 | 4978361 |
| 29 | 5165403 |
| 30 | 5254366 |