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 | 0 |
| 2 | 1 |
| 3 | 4 |
| 4 | 8 |
| 5 | 9 |
| 6 | 25 |
| 7 | 27 |
| 8 | 32 |
| 9 | 121 |
| 10 | 128 |
| 11 | 144 |
| 12 | 729 |
| 13 | 841 |
| 14 | 5041 |
| 15 | 5184 |
| 16 | 45369 |
| 17 | 46225 |
| 18 | 363609 |
| 19 | 403225 |
| 20 | 3674889 |
| 21 | 1401602635449 |