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 | 4 |
| 2 | 100 |
| 3 | 6094 |
| 4 | 497958 |
| 5 | 45648753 |
| 6 | 4364554008 |
| 7 | 424124440444 |
| 8 | 41437298593764 |
| 9 | 4056267677083719 |
| 10 | 397503667576768219 |