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 | 2 |
| 2 | 6 |
| 3 | 12 |
| 4 | 24 |
| 5 | 48 |
| 6 | 60 |
| 7 | 192 |
| 8 | 120 |
| 9 | 180 |
| 10 | 240 |
| 11 | 3072 |
| 12 | 360 |
| 13 | 12288 |
| 14 | 960 |
| 15 | 720 |
| 16 | 840 |
| 17 | 196608 |
| 18 | 1260 |
| 19 | 786432 |
| 20 | 1680 |
| 21 | 2880 |
| 22 | 15360 |
| 23 | 12582912 |
| 24 | 2520 |
| 25 | 6480 |
| 26 | 61440 |
| 27 | 6300 |
| 28 | 6720 |
| 29 | 805306368 |
| 30 | 5040 |
| 31 | 3221225472 |
| 32 | 7560 |
| 33 | 46080 |
| 34 | 983040 |
| 35 | 25920 |
| 36 | 10080 |
| 37 | 206158430208 |
| 38 | 3932160 |
| 39 | 184320 |
| 40 | 15120 |