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 | 1123465789 |
| 2 | 1123465879 |
| 3 | 1123468597 |
| 4 | 1123469587 |
| 5 | 1123478659 |
| 6 | 1123485967 |
| 7 | 1123496587 |
| 8 | 1123564879 |
| 9 | 1123564987 |
| 10 | 1123568497 |
| 11 | 1123576849 |
| 12 | 1123586479 |
| 13 | 1123645987 |
| 14 | 1123649587 |
| 15 | 1123654879 |
| 16 | 1123657489 |
| 17 | 1123658479 |
| 18 | 1123658749 |