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 | 60 |
| 4 | 90 |
| 5 | 120 |
| 6 | 180 |
| 7 | 360 |
| 8 | 540 |
| 9 | 816 |
| 10 | 840 |
| 11 | 1080 |
| 12 | 1740 |
| 13 | 1980 |
| 14 | 2280 |
| 15 | 2520 |
| 16 | 3060 |
| 17 | 3960 |
| 18 | 5712 |
| 19 | 6120 |
| 20 | 8280 |
| 21 | 9540 |
| 22 | 11880 |
| 23 | 12240 |
| 24 | 16920 |
| 25 | 18360 |
| 26 | 19260 |
| 27 | 24480 |
| 28 | 25296 |
| 29 | 25560 |
| 30 | 32760 |
| 31 | 36720 |
| 32 | 42840 |
| 33 | 48960 |
| 34 | 54672 |
| 35 | 57240 |
| 36 | 63700 |
| 37 | 73440 |
| 38 | 74256 |
| 39 | 84360 |
| 40 | 85680 |
| 41 | 97920 |
| 42 | 103320 |
| 43 | 115560 |