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 | 729 |
| 1 | 531441 |
| 2 | 11390625 |
| 3 | 85766121 |
| 4 | 387420489 |
| 5 | 1291467969 |
| 6 | 3518743761 |
| 7 | 8303765625 |
| 8 | 17596287801 |
| 9 | 34296447249 |
| 10 | 62523502209 |
| 11 | 107918163081 |
| 12 | 177978515625 |
| 13 | 282429536481 |
| 14 | 433626201009 |
| 15 | 646990183449 |
| 16 | 941480149401 |
| 17 | 1340095640625 |
| 18 | 1870414552161 |
| 19 | 2565164201769 |
| 20 | 3462825991689 |