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 | 64 |
| 1 | 288 |
| 2 | 1152 |
| 3 | 4800 |
| 4 | 21504 |
| 5 | 101920 |
| 6 | 502016 |
| 7 | 2538432 |
| 8 | 13078720 |
| 9 | 68344672 |
| 10 | 361128960 |
| 11 | 1925388608 |
| 12 | 10341942016 |
| 13 | 55899303840 |
| 14 | 303764754944 |
| 15 | 1658373055808 |
| 16 | 9090505778112 |
| 17 | 50008894293216 |