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 | 9 |
| 3 | 25 |
| 4 | 49 |
| 5 | 169 |
| 6 | 289 |
| 7 | 361 |
| 8 | 529 |
| 9 | 729 |
| 10 | 841 |
| 11 | 961 |
| 12 | 1369 |
| 13 | 2187 |
| 14 | 2209 |
| 15 | 3481 |
| 16 | 3721 |
| 17 | 5041 |
| 18 | 7921 |
| 19 | 9409 |
| 20 | 10609 |
| 21 | 24649 |
| 22 | 29791 |
| 23 | 32041 |
| 24 | 32761 |
| 25 | 36481 |
| 26 | 50653 |
| 27 | 52441 |
| 28 | 66049 |
| 29 | 73441 |
| 30 | 83521 |
| 31 | 113569 |
| 32 | 121801 |
| 33 | 128881 |
| 34 | 130321 |
| 35 | 167281 |
| 36 | 175561 |
| 37 | 185761 |
| 38 | 226981 |
| 39 | 292681 |
| 40 | 300763 |
| 41 | 323761 |