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 | 2 |
| 3 | 185 |
| 4 | 113125 |
| 5 | 535350201 |
| 6 | 71373089217 |
| 7 | 82225037115 |
| 8 | 156231750533 |
| 9 | 268821356379 |