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 | 13 |
| 4 | 29 |
| 5 | 71 |
| 6 | 73 |
| 7 | 3673 |
| 8 | 3677 |
| 9 | 1970327 |
| 10 | 8879341 |
| 11 | 30578677 |