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 | 3 |
| 2 | 3 |
| 3 | 5 |
| 4 | 5 |
| 5 | 11 |
| 6 | 17 |
| 7 | 353 |
| 8 | 431 |
| 9 | 509 |
| 10 | 587 |
| 11 | 13297 |
| 12 | 21937 |
| 13 | 30577 |
| 14 | 39217 |
| 15 | 47857 |
| 16 | 1561423 |
| 17 | 2716423 |
| 18 | 3871423 |
| 19 | 5026423 |
| 20 | 6181423 |
| 21 | 7336423 |
| 22 | 291461857 |
| 23 | 373881397 |
| 24 | 456300937 |
| 25 | 538720477 |
| 26 | 621140017 |
| 27 | 703559557 |
| 28 | 785979097 |