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 | 0 |
| 2 | 1 |
| 3 | 27 |
| 4 | 729 |
| 5 | 274625 |
| 6 | 389017 |
| 7 | 135005697 |
| 8 | 68769820673 |
| 9 | 72043225281 |
| 10 | 35187593412609 |
| 11 | 18014604668698625 |
| 12 | 18120364883707393 |
| 13 | 9223385231000600577 |
| 14 | 4722367327294625677313 |
| 15 | 4725826936714463031297 |