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 | 6 |
| 2 | 12 |
| 3 | 126 |
| 4 | 60 |
| 5 | 240 |
| 6 | 210 |
| 7 | 1080 |
| 8 | 336 |
| 9 | 1260 |
| 10 | 924 |
| 11 | 2016 |
| 12 | 2640 |
| 13 | 5280 |
| 14 | 11424 |
| 15 | 420 |
| 16 | 2520 |
| 17 | 840 |
| 18 | 5544 |
| 19 | 3696 |
| 20 | 14280 |
| 21 | 3360 |
| 22 | 25200 |
| 23 | 1680 |
| 24 | 6720 |
| 25 | 10920 |
| 26 | 26880 |
| 27 | 15960 |
| 28 | 137280 |
| 29 | 23100 |
| 30 | 43680 |
| 31 | 64680 |
| 32 | 21840 |
| 33 | 32760 |
| 34 | 24024 |
| 35 | 13860 |
| 36 | 7560 |
| 37 | 68040 |
| 38 | 49140 |
| 39 | 262080 |
| 40 | 60480 |
| 41 | 73920 |
| 42 | 133056 |
| 43 | 207900 |