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 | 1 |
| 2 | 8 |
| 3 | 512 |
| 4 | 68719476736 |
| 5 | 76957043352332967211482500195592995713046365762627825523336510555167425334955489475418488779072100860950445293568 |