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 | 840 |
| 2 | 1260 |
| 3 | 1440 |
| 4 | 1680 |
| 5 | 1800 |
| 6 | 1980 |
| 7 | 2016 |
| 8 | 2100 |
| 9 | 2160 |
| 10 | 2340 |
| 11 | 2400 |
| 12 | 2520 |
| 13 | 2640 |
| 14 | 2700 |
| 15 | 2880 |
| 16 | 3024 |
| 17 | 3120 |
| 18 | 3240 |
| 19 | 3360 |
| 20 | 3600 |
| 21 | 3696 |
| 22 | 3780 |
| 23 | 3960 |
| 24 | 4032 |
| 25 | 4080 |
| 26 | 4200 |
| 27 | 4320 |
| 28 | 4368 |
| 29 | 4536 |
| 30 | 4560 |
| 31 | 4620 |
| 32 | 4680 |
| 33 | 4752 |
| 34 | 4800 |
| 35 | 5040 |
| 36 | 5280 |
| 37 | 5400 |
| 38 | 5460 |
| 39 | 5520 |
| 40 | 5544 |
| 41 | 5616 |
| 42 | 5670 |