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 | 3998993 |
| 2 | 7696967 |
| 3 | 7778777 |
| 4 | 7794977 |
| 5 | 7868687 |
| 6 | 7884887 |
| 7 | 7958597 |
| 8 | 9586859 |
| 9 | 9758579 |
| 10 | 9782879 |
| 11 | 9938399 |
| 12 | 138989831 |
| 13 | 139969931 |
| 14 | 148888841 |
| 15 | 148969841 |
| 16 | 157888751 |
| 17 | 159929951 |
| 18 | 166888661 |
| 19 | 167787761 |
| 20 | 168929861 |
| 21 | 169666961 |
| 22 | 174989471 |