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 | 9 |
| 5 | 36 |
| 6 | 144 |
| 7 | 576 |
| 8 | 676 |
| 9 | 5184 |
| 10 | 7056 |
| 11 | 14884 |
| 12 | 17689 |
| 13 | 20736 |
| 14 | 59536 |
| 15 | 65025 |
| 16 | 77841 |
| 17 | 145924 |
| 18 | 535824 |
| 19 | 1774224 |
| 20 | 2143296 |
| 21 | 2547216 |
| 22 | 5827396 |
| 23 | 7096896 |
| 24 | 7817616 |
| 25 | 9375844 |
| 26 | 20034576 |
| 27 | 63872064 |
| 28 | 214388164 |
| 29 | 217946169 |
| 30 | 221533456 |
| 31 | 255488256 |
| 32 | 259371025 |