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 | 660 |
| 2 | 2520 |
| 3 | 4030 |
| 4 | 5040 |
| 5 | 6600 |
| 6 | 8160 |
| 7 | 25200 |
| 8 | 27720 |
| 9 | 32670 |
| 10 | 40300 |
| 11 | 43560 |
| 12 | 50400 |
| 13 | 66000 |
| 14 | 81600 |
| 15 | 205020 |
| 16 | 229320 |
| 17 | 236320 |
| 18 | 254520 |
| 19 | 269620 |
| 20 | 277200 |
| 21 | 279720 |
| 22 | 310030 |
| 23 | 326700 |
| 24 | 329670 |
| 25 | 351430 |
| 26 | 410040 |
| 27 | 435600 |
| 28 | 439560 |
| 29 | 458640 |
| 30 | 483840 |
| 31 | 486160 |