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 | 243 |
| 3 | 7776 |
| 4 | 100000 |
| 5 | 759375 |
| 6 | 4084101 |
| 7 | 17210368 |
| 8 | 60466176 |
| 9 | 184528125 |
| 10 | 503284375 |
| 11 | 1252332576 |
| 12 | 2887174368 |
| 13 | 6240321451 |
| 14 | 12762815625 |
| 15 | 24883200000 |
| 16 | 46525874176 |
| 17 | 83841135993 |
| 18 | 146211169851 |
| 19 | 247609900000 |
| 20 | 408410100000 |
| 21 | 657748550151 |
| 22 | 1036579476493 |
| 23 | 1601568101376 |