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 | 19683 |
| 2 | 10077696 |
| 3 | 387420489 |
| 4 | 5159780352 |
| 5 | 38443359375 |
| 6 | 198359290368 |
| 7 | 794280046581 |
| 8 | 2641807540224 |
| 9 | 7625597484987 |
| 10 | 19683000000000 |
| 11 | 46411484401953 |
| 12 | 101559956668416 |
| 13 | 208728361158759 |
| 14 | 406671383849472 |