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 | 530 |
| 3 | 68935 |
| 4 | 8949808 |
| 5 | 1162535788 |
| 6 | 151022716125 |
| 7 | 19619065042282 |
| 8 | 2548674277117248 |
| 9 | 331093294165744259 |
| 10 | 43011682813264944327 |
| 11 | 5587563659405034428031 |
| 12 | 725869475605161121443285 |