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 | 16777216 |
| 2 | 429981696 |
| 3 | 11019960576 |
| 4 | 25600000000 |
| 5 | 68719476736 |
| 6 | 282429536481 |
| 7 | 377801998336 |
| 8 | 656100000000 |
| 9 | 8916100448256 |
| 10 | 9682651996416 |
| 11 | 14048223625216 |
| 12 | 16815125390625 |
| 13 | 39062500000000 |
| 14 | 53459728531456 |
| 15 | 248155780267521 |
| 16 | 360040606269696 |
| 17 | 457163239653376 |
| 18 | 576480100000000 |