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 | 1 |
| 1 | 16 |
| 2 | 255 |
| 3 | 4064 |
| 4 | 64769 |
| 5 | 1032240 |
| 6 | 16451071 |
| 7 | 262184896 |
| 8 | 4178507265 |
| 9 | 66593931344 |
| 10 | 1061324394239 |
| 11 | 16914596376480 |
| 12 | 269572217629441 |
| 13 | 4296240885694576 |
| 14 | 68470281953483775 |
| 15 | 1091228270370045824 |
| 16 | 17391182043967249409 |