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) |
|---|---|
| 2 | 1 |
| 3 | 27 |
| 4 | 125 |
| 5 | 1331 |
| 6 | 9261 |
| 7 | 79507 |
| 8 | 614125 |
| 9 | 5000211 |
| 10 | 39651821 |
| 11 | 318611987 |
| 12 | 2543302125 |
| 13 | 20368783891 |
| 14 | 162860787181 |
| 15 | 1303244200467 |
| 16 | 10424521926125 |
| 17 | 83401901988371 |
| 18 | 667192309327341 |
| 19 | 5337630100412947 |
| 20 | 42700674299078125 |
| 21 | 341606860407429651 |
| 22 | 2732849019196024301 |
| 23 | 21862815609813457427 |