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 | 7 |
| 3 | 8 |
| 4 | 10 |
| 5 | 17 |
| 6 | 20 |
| 7 | 25 |
| 8 | 28 |
| 9 | 31 |
| 10 | 38 |
| 11 | 61 |
| 12 | 62 |
| 13 | 355 |
| 14 | 4690 |
| 15 | 4772 |
| 16 | 8162 |
| 17 | 10523 |
| 18 | 14716 |
| 19 | 32114 |
| 20 | 117712 |