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 | 1 |
| 2 | 729 |
| 3 | 2197 |
| 4 | 9261 |
| 5 | 29791 |
| 6 | 250047 |
| 7 | 389017 |
| 8 | 531441 |
| 9 | 658503 |
| 10 | 912673 |
| 11 | 1367631 |
| 12 | 1860867 |
| 13 | 2685619 |
| 14 | 5000211 |
| 15 | 5545233 |
| 16 | 7189057 |
| 17 | 8120601 |
| 18 | 15069223 |
| 19 | 19034163 |
| 20 | 20346417 |
| 21 | 21253933 |
| 22 | 24137569 |
| 23 | 29503629 |