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 | 3277 |
| 2 | 3281 |
| 3 | 121463 |
| 4 | 491209 |
| 5 | 11530801 |
| 6 | 512330281 |
| 7 | 15656266201 |