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 | 2821 |
| 2 | 63973 |
| 3 | 530881 |
| 4 | 658801 |
| 5 | 670033 |
| 6 | 852841 |
| 7 | 1050985 |
| 8 | 2113921 |
| 9 | 4909177 |
| 10 | 6049681 |
| 11 | 6054985 |
| 12 | 8355841 |
| 13 | 8719921 |
| 14 | 9494101 |
| 15 | 9585541 |
| 16 | 9613297 |
| 17 | 11205601 |
| 18 | 11972017 |
| 19 | 12262321 |
| 20 | 15888313 |
| 21 | 17316001 |
| 22 | 26932081 |
| 23 | 35703361 |
| 24 | 36765901 |
| 25 | 38637361 |
| 26 | 41471521 |
| 27 | 43331401 |
| 28 | 43620409 |
| 29 | 45890209 |