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 | 252499 |
| 2 | 3813777 |
| 3 | 4213896 |
| 4 | 5107308 |
| 5 | 7114978 |
| 6 | 7670945 |
| 7 | 8054669 |
| 8 | 8209165 |
| 9 | 8209166 |
| 10 | 8555404 |
| 11 | 9711986 |
| 12 | 12228698 |
| 13 | 12797318 |
| 14 | 14486103 |
| 15 | 14646906 |
| 16 | 14927392 |
| 17 | 16002486 |
| 18 | 16897961 |
| 19 | 17911798 |
| 20 | 18696860 |
| 21 | 18696861 |
| 22 | 19506065 |
| 23 | 19715001 |
| 24 | 19715002 |