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 | 7 |
| 2 | 2401 |
| 3 | 117649 |
| 4 | 40353607 |
| 5 | 1977326743 |
| 6 | 9387480337647754305649 |
| 7 | 65712362363534280139543 |
| 8 | 459986536544739960976801 |
| 9 | 15286700631942576193765185769276826401 |
| 10 | 5243338316756303634461458718861951455543 |
| 11 | 12589255298531885026341962383987545444758743 |