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 | 21609 |
| 2 | 27889 |
| 3 | 54289 |
| 4 | 1461681 |
| 5 | 6610041 |
| 6 | 8037225 |
| 7 | 25250625 |
| 8 | 39778249 |
| 9 | 50908225 |
| 10 | 60637369 |
| 11 | 171321921 |
| 12 | 207504025 |
| 13 | 218123361 |
| 14 | 307265841 |
| 15 | 315808441 |
| 16 | 380367009 |
| 17 | 435598641 |
| 18 | 437353569 |
| 19 | 528126361 |
| 20 | 561073969 |
| 21 | 581340321 |
| 22 | 708890625 |
| 23 | 877285161 |