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 | 1 |
| 2 | 8 |
| 3 | 100 |
| 4 | 1664 |
| 5 | 34336 |
| 6 | 843776 |
| 7 | 24046912 |
| 8 | 779780096 |
| 9 | 28357004800 |
| 10 | 1143189536768 |
| 11 | 50612287301632 |
| 12 | 2441525866790912 |
| 13 | 127479926768287744 |
| 14 | 7163315850315825152 |
| 15 | 431046122080208896000 |
| 16 | 27655699473265974050816 |
| 17 | 1884658377677216933085184 |