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 | 1 |
| 1 | 7 |
| 2 | 7 |
| 3 | 49 |
| 4 | 343 |
| 5 | 16807 |
| 6 | 5764801 |
| 7 | 96889010407 |
| 8 | 558545864083284007 |
| 9 | 54116956037952111668959660849 |
| 10 | 30226801971775055948247051683954096612865741943 |