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 | 16 |
| 2 | 240 |
| 3 | 3600 |
| 4 | 53200 |
| 5 | 786000 |
| 6 | 11543952 |
| 7 | 169538256 |
| 8 | 2482215952 |
| 9 | 36341716432 |
| 10 | 531081176880 |
| 11 | 7760918381072 |