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 | 10045 |
| 2 | 11310 |
| 3 | 52360 |
| 4 | 230300 |
| 5 | 341055 |
| 6 | 4048352 |
| 7 | 6192520 |
| 8 | 16008300 |
| 9 | 18573282 |
| 10 | 21430710 |
| 11 | 44175780 |
| 12 | 49452975 |
| 13 | 75377337 |
| 14 | 89579112 |
| 15 | 174695500 |
| 16 | 201243042 |
| 17 | 212087876 |
| 18 | 616116800 |
| 19 | 755319180 |
| 20 | 1369585525 |
| 21 | 1557466482 |
| 22 | 1586309340 |
| 23 | 1625178126 |
| 24 | 1674425676 |
| 25 | 1744607172 |
| 26 | 1857169860 |
| 27 | 1868270250 |
| 28 | 1985347551 |