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 | -2 |
| 2 | 27 |
| 3 | -576 |
| 4 | 16875 |
| 5 | -629856 |
| 6 | 28588707 |
| 7 | -1528823808 |
| 8 | 94143178827 |
| 9 | -6561000000000 |
| 10 | 510526328421483 |
| 11 | -43873901280755712 |
| 12 | 4127185885192141707 |
| 13 | -421812572812955541504 |
| 14 | 46542953399578857421875 |