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 | 6561 |
| 1 | 5764801 |
| 2 | 214358881 |
| 3 | 2562890625 |
| 4 | 16983563041 |
| 5 | 78310985281 |
| 6 | 282429536481 |
| 7 | 852891037441 |
| 8 | 2251875390625 |
| 9 | 5352009260481 |
| 10 | 11688200277601 |
| 11 | 23811286661761 |
| 12 | 45767944570401 |
| 13 | 83733937890625 |