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 | 7 |
| 5 | 15 |
| 6 | 36 |
| 7 | 49 |
| 8 | 64 |
| 9 | 37 |
| 10 | 100 |
| 11 | 65 |
| 12 | 144 |
| 13 | 169 |
| 14 | 123 |
| 15 | 225 |
| 16 | 124 |
| 17 | 199 |
| 18 | 324 |
| 19 | 197 |
| 20 | 400 |
| 21 | 441 |
| 22 | 484 |