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 | 5 |
| 2 | 17 |
| 3 | 101 |
| 4 | 409 |
| 5 | 2633 |
| 6 | 11657 |
| 7 | 11677 |
| 8 | 11681 |
| 9 | 11689 |
| 10 | 373777 |
| 11 | 766373 |
| 12 | 3358373 |
| 13 | 12205121 |
| 14 | 12270281 |
| 15 | 12270301 |
| 16 | 12270317 |
| 17 | 297388097 |
| 18 | 297779509 |
| 19 | 297779513 |
| 20 | 1113443473 |
| 21 | 1113443521 |
| 22 | 1113443533 |
| 23 | 1113443549 |
| 24 | 1113443561 |
| 25 | 84676453373 |
| 26 | 84676453429 |