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 | 233 |
| 3 | 8783 |
| 4 | 24763 |
| 5 | 5828099 |
| 6 | 9229931 |
| 7 | 262707241 |
| 8 | 7717488553 |
| 9 | 34529828929 |
| 10 | 311995561321 |
| 11 | 549120448879 |
| 12 | 33777547344991 |