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) |
|---|---|
| 0 | 1 |
| 1 | 24 |
| 2 | 648 |
| 3 | 17376 |
| 4 | 466152 |
| 5 | 12505104 |
| 6 | 335466144 |
| 7 | 8999325120 |
| 8 | 241418862504 |
| 9 | 6476381979576 |
| 10 | 173737557697968 |
| 11 | 4660740989265312 |
| 12 | 125030574027131424 |
| 13 | 3354111390776151504 |
| 14 | 89978497733627940672 |
| 15 | 2413792838444465745216 |
| 16 | 64753202305891291798824 |