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 | 1234567 |
| 2 | 1234576 |
| 3 | 1234657 |
| 4 | 1234675 |
| 5 | 1234756 |
| 6 | 1234765 |
| 7 | 1235467 |
| 8 | 1235476 |
| 9 | 1235647 |
| 10 | 1235674 |
| 11 | 1235746 |
| 12 | 1235764 |
| 13 | 1236457 |
| 14 | 1236475 |
| 15 | 1236547 |
| 16 | 1236574 |
| 17 | 1236745 |
| 18 | 1236754 |
| 19 | 1237456 |
| 20 | 1237465 |
| 21 | 1237546 |
| 22 | 1237564 |
| 23 | 1237645 |
| 24 | 1237654 |