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 | 3 |
| 2 | 5 |
| 3 | 47 |
| 4 | 239 |
| 5 | 3023 |
| 6 | 27983 |
| 7 | 53231 |
| 8 | 118343 |
| 9 | 198959 |
| 10 | 452831 |
| 11 | 580871 |
| 12 | 9364871 |
| 13 | 26386463 |
| 14 | 67876751 |
| 15 | 662675543 |
| 16 | 2952903983 |
| 17 | 22614861263 |