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) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 8704 |
| 3 | 2421009 |
| 4 | 134742016 |
| 5 | 3056640625 |
| 6 | 39212315136 |
| 7 | 339252774049 |
| 8 | 2199560126464 |
| 9 | 11440139619681 |
| 10 | 50005000000000 |
| 11 | 189887885503921 |
| 12 | 641990190956544 |
| 13 | 1968757122095569 |
| 14 | 5556148040106496 |
| 15 | 14596751337890625 |