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 | 6 |
| 2 | 12 |
| 3 | 18 |
| 4 | 24 |
| 5 | 30 |
| 6 | 36 |
| 7 | 228 |
| 8 | 234 |
| 9 | 240 |
| 10 | 246 |
| 11 | 252 |
| 12 | 258 |
| 13 | 264 |
| 14 | 456 |
| 15 | 462 |
| 16 | 468 |
| 17 | 474 |
| 18 | 480 |
| 19 | 486 |
| 20 | 492 |
| 21 | 684 |
| 22 | 690 |
| 23 | 696 |
| 24 | 702 |
| 25 | 708 |
| 26 | 714 |
| 27 | 720 |