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 | 1 |
| 2 | 6 |
| 3 | 12 |
| 4 | 24 |
| 5 | 60 |
| 6 | 72 |
| 7 | 168 |
| 8 | 96 |
| 9 | 324 |
| 10 | 360 |
| 11 | 660 |
| 12 | 288 |
| 13 | 1092 |
| 14 | 1008 |
| 15 | 720 |
| 16 | 768 |
| 17 | 2448 |
| 18 | 1944 |
| 19 | 3420 |
| 20 | 1440 |
| 21 | 2016 |
| 22 | 3960 |
| 23 | 6072 |
| 24 | 1152 |
| 25 | 7500 |
| 26 | 6552 |
| 27 | 8748 |
| 28 | 4032 |
| 29 | 12180 |
| 30 | 4320 |
| 31 | 14880 |
| 32 | 6144 |
| 33 | 7920 |
| 34 | 14688 |
| 35 | 10080 |
| 36 | 7776 |
| 37 | 25308 |
| 38 | 20520 |
| 39 | 13104 |
| 40 | 5760 |