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 | 812889 |
| 2 | 3181815 |
| 3 | 20787584 |
| 4 | 181480695 |
| 5 | 183872535 |
| 6 | 307510664 |
| 7 | 337206344 |
| 8 | 350158808 |
| 9 | 523403264 |
| 10 | 744074624 |
| 11 | 868421504 |
| 12 | 1063361144 |
| 13 | 1955365125 |
| 14 | 2076191864 |
| 15 | 2578966215 |
| 16 | 3672231255 |
| 17 | 4185590408 |
| 18 | 5032685384 |
| 19 | 7158001304 |
| 20 | 8348108535 |
| 21 | 10784978295 |
| 22 | 16264812135 |
| 23 | 20917209495 |
| 24 | 24514454055 |