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 | 6 |
| 2 | 106 |
| 3 | 4822 |
| 4 | 529006 |
| 5 | 135538054 |
| 6 | 79817831414 |
| 7 | 107180513854464 |
| 8 | 326914413025767444 |
| 9 | 2261157562438763862818 |