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 | 16 |
| 4 | 49 |
| 5 | 64 |
| 6 | 81 |
| 7 | 289 |
| 8 | 324 |
| 9 | 576 |
| 10 | 841 |
| 11 | 1156 |
| 12 | 1444 |
| 13 | 1521 |
| 14 | 2209 |
| 15 | 2809 |
| 16 | 2916 |
| 17 | 3249 |
| 18 | 3364 |
| 19 | 3481 |
| 20 | 3844 |
| 21 | 4489 |
| 22 | 5184 |
| 23 | 6241 |
| 24 | 7056 |
| 25 | 8464 |
| 26 | 8836 |
| 27 | 24649 |
| 28 | 24964 |
| 29 | 29929 |
| 30 | 34969 |
| 31 | 36864 |
| 32 | 37636 |
| 33 | 43681 |
| 34 | 56169 |
| 35 | 56644 |
| 36 | 61009 |
| 37 | 64009 |
| 38 | 66049 |
| 39 | 67081 |
| 40 | 94249 |
| 41 | 98596 |