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 | 9 |
| 3 | 13 |
| 4 | 25 |
| 5 | 49 |
| 6 | 361 |
| 7 | 961 |
| 8 | 1007 |
| 9 | 2029 |
| 10 | 8593 |
| 11 | 24361 |
| 12 | 44795 |
| 13 | 88713 |