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 | 27 |
| 3 | 125 |
| 4 | 512 |
| 5 | 1331 |
| 6 | 3375 |
| 7 | 753571 |
| 8 | 2571353 |
| 9 | 5177717 |
| 10 | 17173512 |
| 11 | 25153757 |
| 12 | 72511713 |
| 13 | 11512557512 |
| 14 | 22211737731 |
| 15 | 27135225125 |
| 16 | 125375375125 |
| 17 | 552377215125 |
| 18 | 2252212155712 |
| 19 | 3531251132352 |
| 20 | 7127771131125 |
| 21 | 23771111713777 |
| 22 | 31122112521375 |
| 23 | 37521355131352 |
| 24 | 125112533753375 |