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 | 5 |
| 3 | 125 |
| 4 | 15625 |
| 5 | 9765625 |
| 6 | 30517578125 |
| 7 | 476837158203125 |
| 8 | 37252902984619140625 |
| 9 | 14551915228366851806640625 |
| 10 | 28421709430404007434844970703125 |