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 | 7 |
| 3 | 81 |
| 4 | 283 |
| 5 | 684 |
| 6 | 1318 |
| 7 | 8792 |
| 8 | 15975 |
| 9 | 61274 |
| 10 | 314072 |
| 11 | 4057579 |