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 | 16 |
| 3 | 121 |
| 4 | 484 |
| 5 | 625 |
| 6 | 1089 |
| 7 | 10201 |
| 8 | 14641 |
| 9 | 19881 |
| 10 | 40804 |
| 11 | 49284 |
| 12 | 69696 |
| 13 | 91809 |
| 14 | 94249 |
| 15 | 203401 |
| 16 | 698896 |
| 17 | 1002001 |
| 18 | 1234321 |
| 19 | 1490841 |
| 20 | 1517824 |
| 21 | 4008004 |
| 22 | 4276624 |
| 23 | 4460544 |
| 24 | 4937284 |
| 25 | 5313025 |
| 26 | 6325225 |
| 27 | 6895876 |
| 28 | 6948496 |
| 29 | 7706176 |
| 30 | 9018009 |
| 31 | 15665764 |
| 32 | 15776784 |
| 33 | 16120225 |