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 | 25 |
| 2 | 125 |
| 3 | 3125 |
| 4 | 78125 |
| 5 | 48828125 |
| 6 | 1220703125 |
| 7 | 762939453125 |
| 8 | 19073486328125 |
| 9 | 11920928955078125 |
| 10 | 186264514923095703125 |
| 11 | 4656612873077392578125 |
| 12 | 72759576141834259033203125 |
| 13 | 45474735088646411895751953125 |