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 | 8 |
| 2 | 36 |
| 3 | 36 |
| 4 | 176 |
| 5 | 1072 |
| 6 | 176 |
| 7 | 1044 |
| 8 | 43800 |
| 9 | 43800 |
| 10 | 1044 |
| 11 | 6560 |
| 12 | 2098720 |
| 13 | 14913536 |
| 14 | 2098720 |
| 15 | 6560 |
| 16 | 43800 |
| 17 | 107377488 |
| 18 | 5726645688 |
| 19 | 5726645688 |
| 20 | 107377488 |
| 21 | 43800 |
| 22 | 299600 |
| 23 | 5726689312 |
| 24 | 2345624810432 |
| 25 | 17592189193216 |
| 26 | 2345624810432 |
| 27 | 5726689312 |
| 28 | 299600 |