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) |
|---|---|
| 0 | 9 |
| 1 | 2 |
| 2 | 3 |
| 3 | 9 |
| 4 | 185 |
| 5 | 40782 |
| 6 | 1682066752 |
| 7 | 6363269744807224762 |
| 8 | 71990770113177468702243288679736023556 |
| 9 | 7052581923050601721615256905785412578772858487621807510338728141989919040612 |