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 | 9 |
| 3 | 16 |
| 4 | 49 |
| 5 | 64 |
| 6 | 144 |
| 7 | 729 |
| 8 | 2304 |
| 9 | 6724 |
| 10 | 22500 |
| 11 | 89401 |
| 12 | 368449 |
| 13 | 1399489 |
| 14 | 5345344 |
| 15 | 21501769 |
| 16 | 87796900 |
| 17 | 354531241 |
| 18 | 1422345796 |
| 19 | 5746246416 |
| 20 | 23369542641 |
| 21 | 94966283556 |
| 22 | 385048793529 |
| 23 | 1561870063504 |
| 24 | 6344716152384 |
| 25 | 25783758328441 |