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 | 472 |
| 3 | 467133 |
| 4 | 636430764 |
| 5 | 1038934571875 |
| 6 | 1903882757758426 |
| 7 | 3782689379194538057 |
| 8 | 7975541699963490241566 |
| 9 | 17602442746255160006062232 |
| 10 | 40278440105728693363331297293 |