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 | 12 |
| 2 | 360 |
| 3 | 6480 |
| 4 | 88128 |
| 5 | 1010880 |
| 6 | 10357632 |
| 7 | 97977600 |
| 8 | 873400320 |
| 9 | 7437339648 |
| 10 | 61070837760 |
| 11 | 486873649152 |
| 12 | 3787601264640 |
| 13 | 28864133775360 |
| 14 | 216128364576768 |
| 15 | 1593927097712640 |
| 16 | 11600403939459072 |
| 17 | 83448431062548480 |