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 | 144 |
| 3 | 576 |
| 4 | 1440 |
| 5 | 2880 |
| 6 | 5040 |
| 7 | 8064 |
| 8 | 12096 |
| 9 | 17280 |
| 10 | 23760 |
| 11 | 31680 |
| 12 | 41184 |
| 13 | 52416 |
| 14 | 65520 |
| 15 | 80640 |
| 16 | 97920 |
| 17 | 117504 |
| 18 | 139536 |
| 19 | 164160 |
| 20 | 191520 |
| 21 | 221760 |
| 22 | 255024 |
| 23 | 291456 |
| 24 | 331200 |
| 25 | 374400 |
| 26 | 421200 |
| 27 | 471744 |
| 28 | 526176 |
| 29 | 584640 |
| 30 | 647280 |
| 31 | 714240 |
| 32 | 785664 |
| 33 | 861696 |