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 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 5 |
| 6 | 1 |
| 7 | 3 |
| 8 | 13 |
| 9 | 169 |
| 10 | 25 |
| 11 | 243 |
| 12 | 375 |
| 13 | 11 |
| 14 | 49 |
| 15 | 7 |
| 16 | 3 |
| 17 | 18225 |
| 18 | 71875 |
| 19 | 4913 |
| 20 | 1701 |
| 21 | 144027 |
| 22 | 1825 |
| 23 | 3483 |
| 24 | 2197 |
| 25 | 9156027 |
| 26 | 131989 |
| 27 | 1103 |
| 28 | 5103 |
| 29 | 38525 |
| 30 | 458703 |
| 31 | 1523 |
| 32 | 3483891 |
| 33 | 19283525 |