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 | 6 |
| 2 | 13 |
| 3 | 21 |
| 4 | 59 |
| 5 | 3053 |
| 6 | 7075 |
| 7 | 8509 |
| 8 | 168511 |
| 9 | 1413693 |
| 10 | 13146901 |