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 | 0 |
| 2 | 1 |
| 3 | 4 |
| 4 | 16 |
| 5 | 100 |
| 6 | 121 |
| 7 | 400 |
| 8 | 484 |
| 9 | 784 |
| 10 | 1156 |
| 11 | 3136 |
| 12 | 6724 |
| 13 | 7921 |
| 14 | 12769 |
| 15 | 23716 |
| 16 | 26896 |
| 17 | 59536 |
| 18 | 68644 |
| 19 | 238144 |
| 20 | 274576 |
| 21 | 532900 |
| 22 | 570025 |
| 23 | 643204 |
| 24 | 743044 |
| 25 | 1042441 |
| 26 | 1800964 |
| 27 | 1844164 |
| 28 | 2131600 |
| 29 | 4787344 |
| 30 | 5026564 |
| 31 | 7203856 |
| 32 | 7376656 |
| 33 | 9278116 |