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 | 2 |
| 3 | 4 |
| 4 | 6 |
| 5 | 8 |
| 6 | 12 |
| 7 | 48 |
| 8 | 60 |
| 9 | 72 |
| 10 | 96 |
| 11 | 128 |
| 12 | 240 |
| 13 | 432 |
| 14 | 480 |
| 15 | 720 |
| 16 | 1728 |
| 17 | 2016 |
| 18 | 6912 |
| 19 | 10368 |
| 20 | 14080 |
| 21 | 32768 |
| 22 | 142560 |
| 23 | 184320 |
| 24 | 196560 |
| 25 | 712800 |
| 26 | 1140480 |
| 27 | 1190400 |
| 28 | 1658880 |
| 29 | 1801800 |
| 30 | 3345408 |
| 31 | 3571200 |
| 32 | 5702400 |
| 33 | 6220800 |
| 34 | 8363520 |
| 35 | 10222080 |
| 36 | 10368000 |
| 37 | 14859936 |
| 38 | 29719872 |
| 39 | 50319360 |