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 | 25 |
| 5 | 36 |
| 6 | 49 |
| 7 | 121 |
| 8 | 196 |
| 9 | 289 |
| 10 | 324 |
| 11 | 361 |
| 12 | 529 |
| 13 | 625 |
| 14 | 729 |
| 15 | 1024 |
| 16 | 1296 |
| 17 | 1681 |
| 18 | 1849 |
| 19 | 2916 |
| 20 | 3600 |
| 21 | 4225 |
| 22 | 4761 |
| 23 | 5184 |
| 24 | 5929 |
| 25 | 6400 |
| 26 | 6724 |
| 27 | 6889 |
| 28 | 7569 |
| 29 | 7744 |
| 30 | 8464 |
| 31 | 8649 |
| 32 | 9604 |
| 33 | 12100 |
| 34 | 13689 |
| 35 | 14641 |
| 36 | 14884 |
| 37 | 15876 |
| 38 | 16129 |
| 39 | 18225 |
| 40 | 18496 |
| 41 | 19044 |
| 42 | 22201 |
| 43 | 22500 |
| 44 | 24025 |
| 45 | 24649 |
| 46 | 25281 |
| 47 | 28224 |