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 | 0 |
| 2 | 3 |
| 3 | 63 |
| 4 | 4475 |
| 5 | 1154119 |
| 6 | 1064583557 |
| 7 | 3538520414645 |
| 8 | 42325704140613463 |
| 9 | 1822180205677117048273 |
| 10 | 282344956970612464702333909 |
| 11 | 157459613671260527898784781898227 |