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 | 4 |
| 2 | 9 |
| 3 | 20 |
| 4 | 25 |
| 5 | 169 |
| 6 | 289 |
| 7 | 961 |
| 8 | 1849 |
| 9 | 3721 |
| 10 | 6889 |
| 11 | 11881 |
| 12 | 14641 |
| 13 | 15625 |
| 14 | 17161 |
| 15 | 52441 |
| 16 | 57121 |
| 17 | 66049 |
| 18 | 69169 |
| 19 | 72361 |
| 20 | 96721 |
| 21 | 97969 |
| 22 | 117649 |
| 23 | 130321 |
| 24 | 196249 |
| 25 | 214369 |
| 26 | 253009 |
| 27 | 326041 |
| 28 | 351649 |
| 29 | 358801 |
| 30 | 383161 |
| 31 | 410881 |
| 32 | 418609 |
| 33 | 426409 |
| 34 | 434281 |
| 35 | 491401 |