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 | 189 |
| 3 | 24576 |
| 4 | 3046869 |
| 5 | 375175625 |
| 6 | 46151368704 |
| 7 | 5676383392121 |
| 8 | 698151521972709 |
| 9 | 85867005969063936 |
| 10 | 10560944392853518125 |
| 11 | 1298910307853115410641 |
| 12 | 159755407182415993503744 |
| 13 | 19648616177810537712940081 |
| 14 | 2416620034547514872344613709 |