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 | 9 |
| 3 | 191 |
| 4 | 3303 |
| 5 | 46188 |
| 6 | 557005 |
| 7 | 6481183 |
| 8 | 76292782 |
| 9 | 881025347 |
| 10 | 9763247930 |
| 11 | 106864564286 |
| 12 | 1162019145892 |