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 | 4580041 |
| 2 | 608744947 |
| 3 | 2784514741 |
| 4 | 3336893489 |
| 5 | 3743034679 |