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 | 1 |
| 2 | 50 |
| 3 | 576 |
| 4 | 242424 |
| 5 | 746074 |
| 6 | 10311073 |
| 7 | 54848721 |
| 8 | 103849853 |
| 9 | 48438192357 |