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 | 49 |
| 2 | 81 |
| 3 | 121 |
| 4 | 169 |
| 5 | 196 |
| 6 | 289 |
| 7 | 324 |
| 8 | 484 |
| 9 | 676 |
| 10 | 784 |
| 11 | 1156 |
| 12 | 1296 |
| 13 | 1936 |
| 14 | 2704 |
| 15 | 3136 |
| 16 | 4624 |
| 17 | 5184 |
| 18 | 7744 |
| 19 | 10816 |
| 20 | 12544 |
| 21 | 18496 |
| 22 | 20736 |
| 23 | 30976 |
| 24 | 43264 |
| 25 | 50176 |
| 26 | 73984 |
| 27 | 82944 |
| 28 | 123904 |