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 | 64 |
| 8 | 81 |
| 9 | 121 |
| 10 | 484 |
| 11 | 1089 |
| 12 | 1764 |
| 13 | 1936 |
| 14 | 2401 |
| 15 | 2704 |
| 16 | 3025 |
| 17 | 4356 |
| 18 | 5929 |
| 19 | 6084 |
| 20 | 7744 |
| 21 | 9801 |
| 22 | 10201 |
| 23 | 12321 |
| 24 | 14641 |
| 25 | 17161 |
| 26 | 19881 |
| 27 | 22801 |
| 28 | 25921 |
| 29 | 27225 |
| 30 | 29241 |
| 31 | 32761 |
| 32 | 36481 |
| 33 | 40804 |
| 34 | 44944 |
| 35 | 49284 |
| 36 | 53824 |
| 37 | 58564 |
| 38 | 63504 |
| 39 | 68644 |
| 40 | 69696 |