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 | 5 |
| 1 | 625 |
| 2 | 78125 |
| 3 | 9765625 |
| 4 | 1220703125 |
| 5 | 152587890625 |
| 6 | 19073486328125 |
| 7 | 2384185791015625 |
| 8 | 298023223876953125 |
| 9 | 37252902984619140625 |
| 10 | 4656612873077392578125 |
| 11 | 582076609134674072265625 |
| 12 | 72759576141834259033203125 |