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) |
|---|---|
| 3 | 0 |
| 4 | 110 |
| 5 | 7784 |
| 6 | 7887197 |
| 7 | 779518382 |
| 8 | 12933542223 |
| 9 | 102446287404 |