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 | 3 |
| 2 | 8 |
| 3 | 147 |
| 4 | 355 |
| 5 | 503 |
| 6 | 4417 |
| 7 | 6288 |
| 8 | 22234 |
| 9 | 69229 |
| 10 | 93068 |
| 11 | 105397 |
| 12 | 133205 |
| 13 | 908767 |
| 14 | 1993176 |
| 15 | 2081117 |
| 16 | 2619491 |
| 17 | 2853730 |
| 18 | 3559940 |
| 19 | 3585297 |
| 20 | 3792049 |
| 21 | 4228461 |
| 22 | 5228796 |
| 23 | 6117140 |
| 24 | 7624645 |
| 25 | 7707795 |
| 26 | 9260828 |
| 27 | 10435784 |
| 28 | 10691791 |
| 29 | 11323477 |