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 | 9 |
| 2 | 25 |
| 3 | 49 |
| 4 | 121 |
| 5 | 169 |
| 6 | 289 |
| 7 | 625 |
| 8 | 841 |
| 9 | 961 |
| 10 | 1225 |
| 11 | 1681 |
| 12 | 1849 |
| 13 | 2401 |
| 14 | 3025 |
| 15 | 4489 |
| 16 | 5929 |
| 17 | 6889 |
| 18 | 10201 |
| 19 | 11881 |
| 20 | 13225 |
| 21 | 14161 |
| 22 | 15625 |
| 23 | 17689 |
| 24 | 19321 |
| 25 | 20449 |
| 26 | 22801 |
| 27 | 24025 |
| 28 | 24649 |
| 29 | 25921 |
| 30 | 32041 |
| 31 | 32761 |
| 32 | 39601 |
| 33 | 41209 |
| 34 | 44521 |
| 35 | 48841 |
| 36 | 49729 |
| 37 | 55225 |
| 38 | 57121 |
| 39 | 69169 |