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 | 84 |
| 2 | 168 |
| 3 | 336 |
| 4 | 420 |
| 5 | 504 |
| 6 | 630 |
| 7 | 672 |
| 8 | 840 |
| 9 | 1260 |
| 10 | 1680 |
| 11 | 2520 |
| 12 | 3360 |
| 13 | 3780 |
| 14 | 4200 |
| 15 | 5040 |
| 16 | 7560 |
| 17 | 10080 |
| 18 | 12600 |
| 19 | 15120 |
| 20 | 20160 |
| 21 | 25200 |
| 22 | 30240 |
| 23 | 37800 |
| 24 | 40320 |
| 25 | 45360 |
| 26 | 50400 |
| 27 | 75600 |
| 28 | 151200 |