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 | 25 |
| 4 | 225 |
| 5 | 676 |
| 6 | 2116 |
| 7 | 6724 |
| 8 | 7921 |
| 9 | 8100 |
| 10 | 16641 |
| 11 | 104329 |
| 12 | 131044 |
| 13 | 160801 |
| 14 | 176400 |
| 15 | 372100 |
| 16 | 389376 |
| 17 | 705600 |
| 18 | 4096576 |
| 19 | 7306209 |
| 20 | 7884864 |
| 21 | 47444544 |
| 22 | 146385801 |
| 23 | 254817369 |
| 24 | 373262400 |
| 25 | 607622500 |
| 26 | 895804900 |
| 27 | 1121580100 |
| 28 | 1330936324 |
| 29 | 1536875209 |
| 30 | 2097182025 |
| 31 | 2258435529 |
| 32 | 2749953600 |