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 | 15760 |
| 4 | 263000 |
| 5 | 1251720 |
| 6 | 3443028 |
| 7 | 7080688 |
| 8 | 12213336 |
| 9 | 18821144 |
| 10 | 26872340 |
| 11 | 36353568 |