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 | 70 |
| 2 | 198 |
| 3 | 336 |
| 4 | 504 |
| 5 | 1320 |
| 6 | 1440 |
| 7 | 3360 |
| 8 | 5040 |
| 9 | 6720 |
| 10 | 10080 |
| 11 | 15120 |
| 12 | 30240 |
| 13 | 45360 |
| 14 | 55440 |
| 15 | 110880 |
| 16 | 166320 |
| 17 | 221760 |
| 18 | 327600 |
| 19 | 360360 |
| 20 | 415800 |
| 21 | 554400 |
| 22 | 720720 |
| 23 | 1081080 |
| 24 | 1441440 |
| 25 | 2162160 |
| 26 | 2494800 |
| 27 | 2882880 |