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 | 4 |
| 3 | 4 |
| 4 | 10 |
| 5 | 17 |
| 6 | 8 |
| 7 | 25 |
| 8 | 5 |
| 9 | 28 |
| 10 | 9 |
| 11 | 81 |
| 12 | 13 |
| 13 | 289 |
| 14 | 64 |
| 15 | 100 |
| 16 | 41 |
| 17 | 6561 |
| 18 | 31 |
| 19 | 6657 |
| 20 | 57 |
| 21 | 529 |
| 22 | 1025 |