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 | 12345678 |
| 2 | 12345687 |
| 3 | 12345768 |
| 4 | 12345786 |
| 5 | 12345867 |
| 6 | 12345876 |
| 7 | 12346578 |
| 8 | 12346587 |
| 9 | 12346758 |
| 10 | 12346785 |
| 11 | 12346857 |
| 12 | 12346875 |
| 13 | 12347568 |
| 14 | 12347586 |
| 15 | 12347658 |
| 16 | 12347685 |
| 17 | 12347856 |
| 18 | 12347865 |
| 19 | 12348567 |
| 20 | 12348576 |
| 21 | 12348657 |
| 22 | 12348675 |
| 23 | 12348756 |
| 24 | 12348765 |