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 | 55 |
| 2 | 352 |
| 3 | 1560 |
| 4 | 6225 |
| 5 | 24038 |
| 6 | 92036 |
| 7 | 352296 |
| 8 | 1351572 |