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 | 2 |
| 2 | 3 |
| 3 | 6 |
| 4 | 7 |
| 5 | 47 |
| 6 | 50 |
| 7 | 57 |
| 8 | 59 |
| 9 | 110 |
| 10 | 353 |
| 11 | 812 |
| 12 | 837 |
| 13 | 843 |
| 14 | 871 |
| 15 | 939 |
| 16 | 1385 |
| 17 | 2192 |
| 18 | 4257 |
| 19 | 4892 |
| 20 | 5011 |
| 21 | 8507 |
| 22 | 10597 |
| 23 | 11862 |
| 24 | 29579 |
| 25 | 39198 |