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 | 289 |
| 3 | 625 |
| 4 | 1089 |
| 5 | 1681 |
| 6 | 2401 |
| 7 | 3249 |
| 8 | 4225 |
| 9 | 5329 |
| 10 | 6561 |
| 11 | 7921 |
| 12 | 9409 |
| 13 | 11025 |
| 14 | 12769 |
| 15 | 14641 |
| 16 | 16641 |
| 17 | 18769 |
| 18 | 21025 |
| 19 | 23409 |
| 20 | 25921 |
| 21 | 28561 |
| 22 | 31329 |
| 23 | 34225 |
| 24 | 37249 |
| 25 | 40401 |
| 26 | 43681 |
| 27 | 47089 |
| 28 | 50625 |
| 29 | 54289 |
| 30 | 58081 |