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 | 1 |
| 2 | 64 |
| 3 | 60466176 |
| 4 | 504857282956046106624 |
| 5 | 46005119909369701466112000000000000000000000 |
| 6 | 101230154592156481700985865260692304243040378536591360000000000000000000000000000 |