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 | 24 |
| 2 | 108 |
| 3 | 160 |
| 4 | 60 |
| 5 | 48 |
| 6 | 10800 |
| 7 | 0 |
| 8 | 1980 |
| 9 | 3136 |
| 10 | 1272 |
| 11 | 48 |
| 12 | 5440 |
| 13 | 0 |
| 14 | 480 |
| 15 | 11408 |
| 16 | 1020 |
| 17 | 0 |
| 18 | 7671552 |
| 19 | 0 |
| 20 | 53448 |
| 21 | 7200 |
| 22 | 216 |
| 23 | 48 |
| 24 | 179520 |
| 25 | 0 |
| 26 | 480 |
| 27 | 2128 |
| 28 | 240 |
| 29 | 48 |
| 30 | 227138600 |
| 31 | 0 |