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) |
|---|---|
| 6 | 6 |
| 7 | 48 |
| 8 | 216 |
| 9 | 720 |
| 10 | 1980 |
| 11 | 4752 |
| 12 | 10296 |
| 13 | 20592 |
| 14 | 38610 |
| 15 | 68640 |
| 16 | 116688 |
| 17 | 190944 |
| 18 | 302328 |
| 19 | 465120 |
| 20 | 697680 |
| 21 | 1023264 |
| 22 | 1470942 |
| 23 | 2076624 |
| 24 | 2884200 |
| 25 | 3946800 |
| 26 | 5328180 |
| 27 | 7104240 |
| 28 | 9364680 |
| 29 | 12214800 |
| 30 | 15777450 |
| 31 | 20195136 |
| 32 | 25632288 |
| 33 | 32277696 |
| 34 | 40347120 |
| 35 | 50086080 |
| 36 | 61772832 |
| 37 | 75721536 |