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 | 81250 |
| 2 | 1062882 |
| 3 | 11529602 |
| 4 | 12500000 |
| 5 | 170061120 |
| 6 | 200000000 |
| 7 | 2662400000 |
| 8 | 5897400777 |
| 9 | 7309688832 |
| 10 | 12814453125 |
| 11 | 34297420960 |
| 12 | 37019531250 |