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 | 720 |
| 2 | 5040 |
| 3 | 5760 |
| 4 | 10080 |
| 5 | 20160 |
| 6 | 22176 |
| 7 | 28800 |
| 8 | 56160 |
| 9 | 60480 |
| 10 | 100800 |
| 11 | 126720 |
| 12 | 134640 |
| 13 | 151200 |
| 14 | 187200 |
| 15 | 248976 |
| 16 | 262080 |
| 17 | 282240 |
| 18 | 332640 |
| 19 | 428400 |
| 20 | 443520 |
| 21 | 463680 |
| 22 | 665280 |
| 23 | 677376 |
| 24 | 734400 |
| 25 | 763776 |
| 26 | 887040 |
| 27 | 1108800 |
| 28 | 1149120 |
| 29 | 1190160 |
| 30 | 1235520 |
| 31 | 1497600 |
| 32 | 1685376 |
| 33 | 1718640 |