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) |
|---|---|
| 0 | 2 |
| 1 | 2 |
| 2 | 2 |
| 3 | 2 |
| 4 | 2 |
| 5 | 9 |
| 6 | 11 |
| 7 | 27 |
| 8 | 14 |
| 9 | 13 |
| 10 | 47 |
| 11 | 22 |
| 12 | 53 |
| 13 | 72 |
| 14 | 216 |
| 15 | 260 |
| 16 | 124 |
| 17 | 1196 |
| 18 | 200 |