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 | 2 |
| 2 | 3 |
| 3 | 8 |
| 4 | 11 |
| 5 | 15 |
| 6 | 39 |
| 7 | 60 |
| 8 | 72 |
| 9 | 77 |
| 10 | 117 |
| 11 | 183 |
| 12 | 252 |
| 13 | 396 |
| 14 | 1745 |
| 15 | 2843 |
| 16 | 4665 |
| 17 | 5364 |
| 18 | 524427 |