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 | 9 |
| 1 | 144 |
| 2 | 441 |
| 3 | 900 |
| 4 | 1521 |
| 5 | 2304 |
| 6 | 3249 |
| 7 | 4356 |
| 8 | 5625 |
| 9 | 7056 |
| 10 | 8649 |
| 11 | 10404 |
| 12 | 12321 |
| 13 | 14400 |
| 14 | 16641 |
| 15 | 19044 |
| 16 | 21609 |
| 17 | 24336 |
| 18 | 27225 |
| 19 | 30276 |
| 20 | 33489 |
| 21 | 36864 |
| 22 | 40401 |
| 23 | 44100 |
| 24 | 47961 |
| 25 | 51984 |
| 26 | 56169 |
| 27 | 60516 |
| 28 | 65025 |
| 29 | 69696 |