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) |
|---|---|
| 2 | 12 |
| 3 | 24 |
| 4 | 36 |
| 5 | 192 |
| 6 | 420 |
| 7 | 720 |
| 8 | 1020 |
| 9 | 1752 |
| 10 | 2268 |
| 11 | 3648 |
| 12 | 4596 |
| 13 | 6624 |
| 14 | 8148 |
| 15 | 11112 |
| 16 | 12924 |
| 17 | 17328 |
| 18 | 20076 |
| 19 | 25488 |
| 20 | 28452 |
| 21 | 36312 |
| 22 | 39924 |
| 23 | 49152 |
| 24 | 54060 |
| 25 | 64944 |
| 26 | 70716 |
| 27 | 84696 |
| 28 | 90612 |
| 29 | 106896 |
| 30 | 114756 |
| 31 | 133200 |
| 32 | 141708 |
| 33 | 164184 |
| 34 | 173340 |
| 35 | 198192 |
| 36 | 209796 |
| 37 | 237600 |