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 | 20 |
| 4 | 325 |
| 5 | 912 |
| 6 | 43771 |
| 7 | 234784 |
| 8 | 11025 |
| 9 | 680680 |
| 10 | 9143308361 |
| 11 | 2470852896 |