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 | 5 |
| 3 | 25 |
| 4 | 125 |
| 5 | 101 |
| 6 | 625 |
| 7 | 505 |
| 8 | 481 |
| 9 | 3125 |
| 10 | 2525 |
| 11 | 2405 |
| 12 | 15625 |
| 13 | 12625 |
| 14 | 12025 |
| 15 | 11001 |
| 16 | 78125 |
| 17 | 63125 |
| 18 | 60125 |
| 19 | 55005 |
| 20 | 390625 |
| 21 | 366337 |
| 22 | 315625 |
| 23 | 300625 |
| 24 | 275025 |
| 25 | 1953125 |
| 26 | 1831685 |
| 27 | 1578125 |
| 28 | 1503125 |
| 29 | 1375125 |
| 30 | 1111101 |
| 31 | 9765625 |
| 32 | 9158425 |
| 33 | 7890625 |