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 | 123456789 |
| 2 | 214365897 |
| 3 | 341278956 |
| 4 | 432189675 |
| 5 | 567891234 |
| 6 | 658917342 |
| 7 | 789523461 |
| 8 | 896742513 |
| 9 | 975634128 |