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 | 3 |
| 3 | 6 |
| 4 | 12 |
| 5 | 18 |
| 6 | 24 |
| 7 | 36 |
| 8 | 54 |
| 9 | 72 |
| 10 | 108 |
| 11 | 162 |
| 12 | 216 |
| 13 | 324 |
| 14 | 486 |
| 15 | 540 |
| 16 | 648 |
| 17 | 720 |
| 18 | 972 |
| 19 | 1008 |
| 20 | 1080 |
| 21 | 1440 |
| 22 | 1458 |
| 23 | 1512 |
| 24 | 2016 |
| 25 | 2160 |
| 26 | 4320 |
| 27 | 5040 |
| 28 | 6048 |
| 29 | 8640 |
| 30 | 12096 |
| 31 | 12960 |
| 32 | 30240 |
| 33 | 40320 |
| 34 | 50400 |
| 35 | 60480 |
| 36 | 80640 |
| 37 | 100800 |
| 38 | 129600 |
| 39 | 136080 |
| 40 | 181440 |
| 41 | 226800 |
| 42 | 272160 |
| 43 | 403200 |
| 44 | 408240 |