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 | 390625 |
| 1 | 1475789056 |
| 2 | 78310985281 |
| 3 | 1099511627776 |
| 4 | 7984925229121 |
| 5 | 39062500000000 |
| 6 | 146830437604321 |
| 7 | 457163239653376 |
| 8 | 1235736291547681 |
| 9 | 2992179271065856 |
| 10 | 6634204312890625 |
| 11 | 13685690504052736 |
| 12 | 26584441929064321 |