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 | 5516281 |
| 2 | 16831081 |
| 3 | 18164161 |
| 4 | 29743561 |
| 5 | 51755761 |
| 6 | 148057561 |
| 7 | 153742681 |
| 8 | 158918761 |
| 9 | 175472641 |
| 10 | 189614881 |
| 11 | 212808961 |
| 12 | 297279361 |
| 13 | 298965241 |
| 14 | 322030801 |
| 15 | 467313841 |
| 16 | 527428441 |
| 17 | 661686481 |
| 18 | 668745001 |
| 19 | 751524481 |
| 20 | 808214401 |