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 | 36 |
| 1 | 225 |
| 2 | 576 |
| 3 | 1089 |
| 4 | 1764 |
| 5 | 2601 |
| 6 | 3600 |
| 7 | 4761 |
| 8 | 6084 |
| 9 | 7569 |
| 10 | 9216 |
| 11 | 11025 |
| 12 | 12996 |
| 13 | 15129 |
| 14 | 17424 |
| 15 | 19881 |
| 16 | 22500 |
| 17 | 25281 |
| 18 | 28224 |
| 19 | 31329 |
| 20 | 34596 |
| 21 | 38025 |
| 22 | 41616 |
| 23 | 45369 |
| 24 | 49284 |
| 25 | 53361 |
| 26 | 57600 |
| 27 | 62001 |
| 28 | 66564 |
| 29 | 71289 |