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 | 14 |
| 2 | 38416 |
| 3 | 20661046784 |
| 4 | 2177953337809371136 |
| 5 | 44998795805848373114515226624 |
| 6 | 182225556172186058674940229804729969934336 |