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 | 163 |
| 2 | 16887 |
| 3 | 2122623 |
| 4 | 211328743 |
| 5 | 23851967507 |
| 6 | 2588934295383 |
| 7 | 283827195520911 |
| 8 | 31078249002177539 |