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 | 2 |
| 3 | 32 |
| 4 | 332 |
| 5 | 3225 |
| 6 | 31792 |
| 7 | 309431 |
| 8 | 2991216 |
| 9 | 28863327 |
| 10 | 278085918 |
| 11 | 2677289604 |
| 12 | 25769815303 |
| 13 | 248050788931 |
| 14 | 2388172543971 |