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 | 19683 |
| 1 | 5159780352 |
| 2 | 794280046581 |
| 3 | 19683000000000 |
| 4 | 208728361158759 |
| 5 | 1352605460594688 |
| 6 | 6351461955384057 |
| 7 | 23762680013799936 |
| 8 | 75084686279296875 |
| 9 | 208215748530929664 |
| 10 | 520411082988487293 |
| 11 | 1195092568622310912 |
| 12 | 2558036924386500591 |
| 13 | 5159780352000000000 |
| 14 | 9892530380752880769 |