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 | 49 |
| 3 | 121 |
| 4 | 256 |
| 5 | 400 |
| 6 | 625 |
| 7 | 841 |
| 8 | 1156 |
| 9 | 1444 |
| 10 | 1849 |
| 11 | 2209 |
| 12 | 2704 |
| 13 | 3136 |
| 14 | 3721 |
| 15 | 4225 |
| 16 | 4900 |
| 17 | 5476 |
| 18 | 6241 |
| 19 | 6889 |
| 20 | 7744 |
| 21 | 8464 |
| 22 | 9409 |
| 23 | 10201 |
| 24 | 11236 |
| 25 | 12100 |
| 26 | 13225 |
| 27 | 14161 |
| 28 | 15376 |
| 29 | 16384 |
| 30 | 17689 |
| 31 | 18769 |
| 32 | 20164 |
| 33 | 21316 |
| 34 | 22801 |
| 35 | 24025 |
| 36 | 25600 |
| 37 | 26896 |
| 38 | 28561 |
| 39 | 29929 |