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 | 5 |
| 2 | 6 |
| 3 | 7 |
| 4 | 12 |
| 5 | 21 |
| 6 | 25 |
| 7 | 300 |
| 8 | 305 |
| 9 | 600 |
| 10 | 689 |
| 11 | 742 |
| 12 | 1418 |
| 13 | 1547 |
| 14 | 1744 |
| 15 | 5275 |
| 16 | 6355 |
| 17 | 7477 |
| 18 | 15312 |
| 19 | 16772 |
| 20 | 33047 |