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 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 1 |
| 6 | 22 |
| 7 | 38 |
| 8 | 504 |
| 9 | 1468 |
| 10 | 6945 |
| 11 | 11046 |
| 12 | 115186 |
| 13 | 119496 |
| 14 | 677774 |
| 15 | 2013619 |