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 | 25 |
| 3 | 15625 |
| 4 | 244140625 |
| 5 | 95367431640625 |
| 6 | 931322574615478515625 |
| 7 | 227373675443232059478759765625 |
| 8 | 1387778780781445675529539585113525390625 |