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 | 1880881 |
| 2 | 1881881 |
| 3 | 1970791 |
| 4 | 3591953 |
| 5 | 7821287 |
| 6 | 108505801 |
| 7 | 159202951 |
| 8 | 160717061 |
| 9 | 175111571 |
| 10 | 187111781 |
| 11 | 316707613 |
| 12 | 319414913 |
| 13 | 725606527 |
| 14 | 728909827 |
| 15 | 731919137 |
| 16 | 904101409 |
| 17 | 921212129 |
| 18 | 930515039 |
| 19 | 987212789 |
| 20 | 987505789 |
| 21 | 10457075401 |
| 22 | 10745154701 |