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 | 729 |
| 2 | 46656 |
| 3 | 1000000 |
| 4 | 11390625 |
| 5 | 85766121 |
| 6 | 481890304 |
| 7 | 2176782336 |
| 8 | 8303765625 |
| 9 | 27680640625 |
| 10 | 82653950016 |
| 11 | 225199600704 |
| 12 | 567869252041 |
| 13 | 1340095640625 |
| 14 | 2985984000000 |
| 15 | 6327518887936 |
| 16 | 12827693806929 |
| 17 | 25002110044521 |
| 18 | 47045881000000 |
| 19 | 85766121000000 |
| 20 | 151939915084881 |