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 | 9 |
| 2 | 81 |
| 3 | 225 |
| 4 | 784 |
| 5 | 2304 |
| 6 | 5625 |
| 7 | 14641 |
| 8 | 33856 |
| 9 | 77284 |
| 10 | 173056 |
| 11 | 372100 |
| 12 | 795664 |
| 13 | 1664100 |
| 14 | 3433609 |
| 15 | 7017201 |
| 16 | 14160169 |
| 17 | 28355625 |
| 18 | 56310016 |
| 19 | 111007296 |
| 20 | 217533001 |
| 21 | 423742225 |
| 22 | 821280964 |
| 23 | 1584358416 |
| 24 | 3043287556 |
| 25 | 5823216100 |
| 26 | 11102415424 |