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 | 442019 |
| 2 | 1866373 |
| 3 | 3051161 |
| 4 | 3634531 |
| 5 | 3704819 |
| 6 | 3839677 |
| 7 | 3890609 |
| 8 | 4539331 |
| 9 | 4711937 |
| 10 | 5011213 |
| 11 | 5069023 |
| 12 | 5369743 |
| 13 | 5384221 |
| 14 | 6137587 |
| 15 | 6783263 |
| 16 | 6893273 |
| 17 | 9213073 |
| 18 | 10354177 |
| 19 | 10602763 |
| 20 | 11394193 |
| 21 | 11849339 |
| 22 | 12012257 |
| 23 | 13126801 |
| 24 | 13322887 |
| 25 | 14385781 |
| 26 | 15077143 |
| 27 | 17225003 |
| 28 | 19301221 |