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 | 4194304 |
| 2 | 31381059609 |
| 3 | 2384185791015625 |
| 4 | 3909821048582988049 |
| 5 | 81402749386839761113321 |
| 6 | 3211838877954855105157369 |
| 7 | 1174562876521148458974062689 |
| 8 | 13569980418174090907801371961 |