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 | 561 |
| 2 | 1105 |
| 3 | 1729 |
| 4 | 561 |
| 5 | 1105 |
| 6 | 561 |
| 7 | 1729 |
| 8 | 6601 |
| 9 | 2465 |
| 10 | 2821 |
| 11 | 29341 |
| 12 | 6601 |
| 13 | 334153 |
| 14 | 104569501 |
| 15 | 2508013 |
| 16 | 178837201 |
| 17 | 29341 |
| 18 | 8911 |
| 19 | 10024561 |
| 20 | 10585 |
| 21 | 2508013 |
| 22 | 985052881 |
| 23 | 19384289 |
| 24 | 46657 |
| 25 | 252601 |
| 26 | 52633 |
| 27 | 84350561 |
| 28 | 294409 |
| 29 | 3581761 |
| 30 | 1152271 |
| 31 | 139952671 |
| 32 | 410041 |
| 33 | 79624621 |