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 | 36 |
| 4 | 81 |
| 5 | 121 |
| 6 | 324 |
| 7 | 400 |
| 8 | 484 |
| 9 | 900 |
| 10 | 1089 |
| 11 | 3600 |
| 12 | 4356 |
| 13 | 5184 |
| 14 | 5625 |
| 15 | 6561 |
| 16 | 8100 |
| 17 | 9801 |
| 18 | 10201 |
| 19 | 12100 |
| 20 | 12321 |
| 21 | 14641 |
| 22 | 30276 |
| 23 | 32400 |
| 24 | 39204 |
| 25 | 40000 |
| 26 | 40804 |
| 27 | 43681 |
| 28 | 44944 |
| 29 | 48400 |
| 30 | 53361 |
| 31 | 55696 |
| 32 | 60516 |
| 33 | 69696 |
| 34 | 90000 |
| 35 | 108900 |
| 36 | 110889 |
| 37 | 219024 |