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 | 1 |
| 2 | 8 |
| 3 | 31 |
| 4 | 311 |
| 5 | 3045 |
| 6 | 34720 |
| 7 | 409199 |
| 8 | 5016681 |
| 9 | 62896466 |
| 10 | 803647811 |
| 11 | 10420410009 |
| 12 | 136780924152 |