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 | 0 |
| 1 | 1 |
| 2 | 131072 |
| 3 | 129140163 |
| 4 | 17179869184 |
| 5 | 762939453125 |
| 6 | 16926659444736 |
| 7 | 232630513987207 |
| 8 | 2251799813685248 |
| 9 | 16677181699666569 |
| 10 | 100000000000000000 |
| 11 | 505447028499293771 |
| 12 | 2218611106740436992 |
| 13 | 8650415919381337933 |
| 14 | 30491346729331195904 |
| 15 | 98526125335693359375 |
| 16 | 295147905179352825856 |
| 17 | 827240261886336764177 |