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 | 4 |
| 3 | 9 |
| 4 | 16 |
| 5 | 25 |
| 6 | 36 |
| 7 | 49 |
| 8 | 64 |
| 9 | 81 |
| 10 | 121 |
| 11 | 144 |
| 12 | 225 |
| 13 | 441 |
| 14 | 484 |
| 15 | 676 |
| 16 | 1444 |
| 17 | 7744 |
| 18 | 11881 |
| 19 | 29929 |
| 20 | 44944 |
| 21 | 55225 |
| 22 | 69696 |
| 23 | 9696996 |
| 24 | 6661661161 |