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 | 5 |
| 2 | 17 |
| 3 | 29 |
| 4 | 41 |
| 5 | 2729 |
| 6 | 8737 |
| 7 | 65537 |
| 8 | 74897 |
| 9 | 174761 |
| 10 | 715827881 |
| 11 | 153722867280912929 |
| 12 | 302379100949042568368129 |