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 | 60 |
| 3 | 840 |
| 4 | 7560 |
| 5 | 83160 |
| 6 | 720720 |
| 7 | 8648640 |
| 8 | 73513440 |
| 9 | 735134400 |
| 10 | 6983776800 |
| 11 | 97772875200 |
| 12 | 963761198400 |
| 13 | 9316358251200 |
| 14 | 97821761637600 |
| 15 | 866421317361600 |
| 16 | 8086598962041600 |
| 17 | 74801040398884800 |
| 18 | 897612484786617600 |