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 | 6 |
| 2 | 21 |
| 3 | 36 |
| 4 | 126 |
| 5 | 216 |
| 6 | 756 |
| 7 | 1296 |
| 8 | 4536 |
| 9 | 7776 |
| 10 | 27216 |
| 11 | 46656 |
| 12 | 163296 |
| 13 | 279936 |
| 14 | 979776 |
| 15 | 1679616 |
| 16 | 5878656 |
| 17 | 10077696 |
| 18 | 35271936 |
| 19 | 60466176 |
| 20 | 211631616 |
| 21 | 362797056 |
| 22 | 1269789696 |
| 23 | 2176782336 |
| 24 | 7618738176 |
| 25 | 13060694016 |
| 26 | 45712429056 |
| 27 | 78364164096 |
| 28 | 274274574336 |
| 29 | 470184984576 |