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 | 729 |
| 2 | 8586 |
| 3 | 90450 |
| 4 | 1350672 |
| 5 | 17696520 |
| 6 | 242861616 |
| 7 | 3193266318 |
| 8 | 42102137568 |
| 9 | 545920367142 |
| 10 | 7046149966992 |
| 11 | 90162767011920 |
| 12 | 1148006491599288 |
| 13 | 14536545425942976 |
| 14 | 183300000374262900 |
| 15 | 2302096893418466826 |