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 | 27 |
| 4 | 184 |
| 5 | 875 |
| 6 | 2700 |
| 7 | 7546 |
| 8 | 17600 |
| 9 | 35721 |
| 10 | 72750 |
| 11 | 126445 |
| 12 | 223776 |
| 13 | 353717 |
| 14 | 595448 |
| 15 | 843750 |
| 16 | 1349120 |
| 17 | 1827636 |
| 18 | 2808837 |
| 19 | 3600975 |
| 20 | 5306000 |
| 21 | 6667920 |
| 22 | 9599172 |
| 23 | 11509982 |
| 24 | 16416000 |
| 25 | 19015625 |
| 26 | 26605670 |
| 27 | 30902310 |
| 28 | 41686848 |
| 29 | 46948825 |
| 30 | 64233000 |
| 31 | 70306760 |
| 32 | 94089216 |