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 | 81 |
| 2 | 14641 |
| 3 | 3272481 |
| 4 | 806616801 |
| 5 | 210358905201 |
| 6 | 56912554609681 |
| 7 | 15800522430616641 |
| 8 | 4471485120646226881 |
| 9 | 1284238494711502355601 |
| 10 | 373195323236525968732401 |
| 11 | 109489964937514282794301281 |
| 12 | 32378265673661271315300820641 |
| 13 | 9639042117142706280223219663281 |