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 | 2 |
| 2 | 3 |
| 3 | 5 |
| 4 | 7 |
| 5 | 29 |
| 6 | 349 |
| 7 | 359 |
| 8 | 1091 |
| 9 | 3079 |
| 10 | 8423 |
| 11 | 64579 |
| 12 | 64609 |
| 13 | 64709 |
| 14 | 481043 |
| 15 | 481067 |
| 16 | 3524317 |
| 17 | 3524387 |
| 18 | 9559799 |
| 19 | 9560009 |
| 20 | 9560039 |
| 21 | 25874767 |
| 22 | 70115921 |
| 23 | 189962009 |
| 24 | 189962189 |
| 25 | 189964241 |
| 26 | 189964259 |
| 27 | 189964331 |
| 28 | 189964367 |
| 29 | 189968741 |
| 30 | 189968921 |