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 | -2 |
| 2 | -3 |
| 3 | -5 |
| 4 | 2 |
| 5 | 11 |
| 6 | 107 |
| 7 | 563 |
| 8 | 46279 |
| 9 | 3524441 |
| 10 | 4807526753 |
| 11 | 47068900554068939361891195233676009091941689423 |